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.
The Caspian Sea is considered either the world's largest lake or smallest sea.
^ The Caspian Sea , though not considered a lake by some hydrologists, is the world’s largest inland sea.
  • lake (physical feature) -- Britannica Online Encyclopedia 20 January 2010 14:46 UTC www.britannica.com [Source type: Reference]

[1]
Lake Tahoe on the border of California and Nevada
Blowdown Lake in the mountains near Pemberton, British Columbia
Lake Maracaibo (technically a bay), Venezuela. Green swirls on the lake are duckweed.
.A lake (from Latin lacus) is a terrain feature (or physical feature), a body of liquid on the surface of a world that is localized to the bottom of basin (another type of landform or terrain feature; that is, it is not global) and moves slowly if it moves at all.^ Lake level is RISING VERY VERY SLOWLY All lake fishing still slow Trout season season ends March 15th!

^ Lake level is RISING VERY SLOWLY All lake fishing slow December 28th 2008 Fishing Report for Lake Altus-Lugert Elevation 10.58 ft.

^ Lake level is RISING VERY SLOWLY All lake fishing slow Trout (river) are good on corn.

Another definition is, a body of fresh or salt water of considerable size that is surrounded by land. .On Earth a body of water is considered a lake when it is inland, not part of the ocean, is larger and deeper than a pond, and is fed by a river.^ Lake level is holding STEADY Trout Season has OPENED Hybrid Bass are fair to good in deeper waters.

^ Lake level is holding STEADY Trout Season is OPEN Next Scheduled Stocking Date: November 24 Hybrid Bass are fair in deeper waters.

^ Water for the plant comes from Medina Lake and the Medina River and is diverted to the plant from a point on the River near IH35 a few miles southwest of Loop 410.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

[2][3] .The only world other than Earth known to harbor lakes is Titan, Saturn's largest moon, which has lakes of ethane, most likely mixed with methane.^ Turtles and other wildlife are an integral part of Lake Jackson 's ecosystem and should be protected in standing with Lake Jackson 's designation as Florida's only lake Aquatic Preserve .

^ Its partly-covered fishing pier is the largest at Smith Mountain Lake, and is located in an area known for striped bass.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

^ MORE THAN MEETS THE EYE - Shasta Lake, keystone of the Central Valley Project, is the largest man-made reservoir in California.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

It is not known if Titan's lakes are fed by rivers; Titan's surface is carved by numerous river beds.
.Natural lakes on Earth are generally found in mountainous areas, rift zones, and areas with ongoing or recent glaciation.^ This will get you in the general area of Shasta Lake.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

^ If you plan to arrive by private airplane , there's a general aviation airport, Smith Mountain Lake Airport (airport identifier: W91 ), with a 3000-foot paved runway.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

^ Because Smith Mountain Lake was created to generate electricity, and to help manage water flows downstream and nearby.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

.Other lakes are found in endorheic basins or along the courses of mature rivers.^ Find a lake house, lake lot, log home, cabin, river, stream, creek, or other waterfront property for sale today.
  • Lakefront Property for Sale : Find your Dream Lake House, Michigan Lakefront Property and Texas Lake Property 20 January 2010 14:46 UTC www.lakesearcher.com [Source type: FILTERED WITH BAYES]

^ Other popular spots are located where the major rivers and streams empty into the lake, such as McCloud Bridge, on the McCloud, and Riverview (Lakehead) on the Sacramento Arm.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

.In some parts of the world there are many lakes because of chaotic drainage patterns left over from the last Ice Age.^ There are many more exhibits that show you how the dams produce electricity, offering an educational experience for people of all ages.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

^ The Lake Jackson Ecopassage Alliance also wishes to thank its many supporters who wrote letters and sent donations over the last 9 years.

^ If you're traveling by car , there are many ways to reach the lake.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

.All lakes are temporary over geologic time scales, as they will slowly fill in with sediments or spill out of the basin containing them.^ The image on this Real Photo postcard must have been made when the Lake was filled for the first time.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ Lake level is RISING VERY VERY SLOWLY All lake fishing still slow Trout season season ends March 15th!

^ Lake level is RISING VERY SLOWLY All lake fishing slow December 28th 2008 Fishing Report for Lake Altus-Lugert Elevation 10.58 ft.

Contents

Meaning and usage of "lake"

.There is considerable uncertainty about defining the difference between lakes and ponds, and no current internationally-accepted definition of either term across scientific disciplines or political boundaries exists.^ In the upper part of lakes there is a good supply of light, heat, oxygen, and nutrients, well distributed by currents and turbulence.
  • lake (physical feature) -- Britannica Online Encyclopedia 20 January 2010 14:46 UTC www.britannica.com [Source type: Reference]

^ Launched in November 2008, LakeSearcher.com is currently accepting lake property advertisements from all 50 states and Canada.
  • Lakefront Property for Sale : Find your Dream Lake House, Michigan Lakefront Property and Texas Lake Property 20 January 2010 14:46 UTC www.lakesearcher.com [Source type: FILTERED WITH BAYES]

^ There's no park admission fee but a Virginia Fishing License is required to fish anywhere at Smith Mountain Lake, including the park pier.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

.June 2009" style="white-space:nowrap;">[citation needed] For example, limnologists have defined lakes as waterbodies which are simply a larger version of a pond, which have wave action on the shoreline or where wind-induced turbulence plays a major role in mixing the water column.^ The larger, deeper lakes are a significant factor within the cycle of water—from rain to surface water, ice, soil moisture, or groundwater and thence to water vapour.
  • lake (physical feature) -- Britannica Online Encyclopedia 20 January 2010 14:46 UTC www.britannica.com [Source type: Reference]

^ Within the global hydrologic cycle , freshwater lakes play a very small quantitative role, constituting only about 0.009 percent of all free water , which amounts to less than 0.4 percent of all continental fresh water .
  • lake (physical feature) -- Britannica Online Encyclopedia 20 January 2010 14:46 UTC www.britannica.com [Source type: Reference]

^ June 28th 2009 Fishing Report for Lake Altus-Lugert Elevation 4.11 ft.

None of these definitions completely excludes ponds and all are difficult to measure. .For this reason there has been increasing use made of simple size-based definitions to separate ponds and lakes.^ There are hundreds of roads that are used to access the lake; most are on easements and BMA property, but some cross private property.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ In addition to the main dam, there is a smaller dam about four miles downstream that creates Diversion Lake, from which discharges are made to the canal system.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ Boyd Kennedy said that although the lake is public and boaters have the right to use it, there's no law that requires anybody to give public access to a public body of water.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.One definition of lake is a body of water of 2 hectares (5 acres) or more in area,[4]:331[5] however others have defined lakes as waterbodies of 5 hectares (12 acres) and above,[citation needed] or 8 hectares (20 acres) and above[citation needed] (see also the definition of "pond").^ The U.S. state of Alaska has more than 3,000,000 lakes with surface areas greater than 8 hectares (20 acres).
  • lake (physical feature) -- Britannica Online Encyclopedia 20 January 2010 14:46 UTC www.britannica.com [Source type: Reference]

^ Although it is still one of the world’s largest bodies of inland water, in the second half of the 20th century its area was reduced by two-fifths and its mean surface level had dropped by more than 12 metres (40 feet), as a result primarily of the diversion of the Syr Darya and Amu Darya rivers for irrigating adjoining fields.
  • lake (physical feature) -- Britannica Online Encyclopedia 20 January 2010 14:46 UTC www.britannica.com [Source type: Reference]

^ The idea is that excess water not used by the irrigators will be delivered for use in the San Antonio area and not left in the lake as it has been in the past.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.Charles Elton, one of the founders of ecology, regarded lakes as waterbodies of 40 hectares (99 acres) or more.^ The U.S. state of Alaska has more than 3,000,000 lakes with surface areas greater than 8 hectares (20 acres).
  • lake (physical feature) -- Britannica Online Encyclopedia 20 January 2010 14:46 UTC www.britannica.com [Source type: Reference]

[6] .The term lake is also used to describe a feature such as Lake Eyre, which is a dry basin most of the time but may become filled under seasonal conditions of heavy rainfall.^ Lakes are most abundant in high northern latitudes and in mountain regions, particularly those that were covered by glaciers in recent geologic times.
  • lake (physical feature) -- Britannica Online Encyclopedia 20 January 2010 14:46 UTC www.britannica.com [Source type: Reference]

^ The image on this Real Photo postcard must have been made when the Lake was filled for the first time.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ If you are a member of another YMCA, you can use the Smith Mountain Lake YMCA 12 times during 12 consecutive months at no cost.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

In common usage many lakes bear names ending with the word pond, and a lesser number of names ending with lake are in quasi-technical fact, ponds.
In lake ecology the environment of a lake is referred to as lacustrine. .Large lakes are occasionally referred to as "inland seas," and small seas are occasionally referred to as lakes, such as Lake Maracaibo, which is actually a bay.^ Water flows through these large bar screens into this small holding tank on the west end of Diversion Lake Dam, and then it flows into the Medina Canal.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.Larger lakes often invert the word order, as in the names of each of the Great Lakes,in North America.^ Low lake levels often expose a much larger strip of land adjacent to the lake that offers enticing party spots.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.Only one lake in the English Lake District is actually called a lake; other than Bassenthwaite Lake, the others are all meres or waters.^ December 23, 2009 Winter Break All Salt Lake City School District offices and schools will be closed from December 24, 2009, through January 1, 2010.
  • Salt Lake City School District - Your Best Choice 20 January 2010 14:46 UTC www.slc.k12.ut.us [Source type: General]

^ They were seeking, among other things, a declaration that BMA’s rights in the Contour Zone are limited to the right to flood in connection with the storage of water in Medina Lake for irrigation purposes.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ The rest is distributed to more than 200 other taxing districts, with schools getting the biggest piece.
  • Government Home - Lake County, IL 20 January 2010 14:46 UTC www.lakecountyil.gov [Source type: News]

.Only six bodies of water in Scotland are known as lakes (the others are lochs): the Lake of Menteith, the Lake of the Hirsel, Pressmennan Lake, Cally Lake near Gatehouse of Fleet, the saltwater Manxman's Lake at Kirkcudbright Bay and The Lake at Fochabers.^ Water for the plant comes from Medina Lake and the Medina River and is diverted to the plant from a point on the River near IH35 a few miles southwest of Loop 410.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ They were seeking, among other things, a declaration that BMA’s rights in the Contour Zone are limited to the right to flood in connection with the storage of water in Medina Lake for irrigation purposes.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ More Wineries -- check the Bedford County Wine Trail for other wineries located near Smith Mountain Lake.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

.Of these only the Lake of Menteith and Cally Lake are natural bodies of fresh water.^ Within the global hydrologic cycle , freshwater lakes play a very small quantitative role, constituting only about 0.009 percent of all free water , which amounts to less than 0.4 percent of all continental fresh water .
  • lake (physical feature) -- Britannica Online Encyclopedia 20 January 2010 14:46 UTC www.britannica.com [Source type: Reference]

^ Water flows through these large bar screens into this small holding tank on the west end of Diversion Lake Dam, and then it flows into the Medina Canal.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ While boating and fishing on this beautiful lake are major attractions, these are only some of the park’s offerings.
  • Lake Anna State Park 20 January 2010 14:46 UTC www.dcr.virginia.gov [Source type: FILTERED WITH BAYES]

Distribution of lakes

The Seven Rila Lakes are a group of glacial lakes in the Bulgarian Rila mountains.
.The majority of lakes on Earth are fresh water, and most lie in the Northern Hemisphere at higher latitudes.^ Lakes are most abundant in high northern latitudes and in mountain regions, particularly those that were covered by glaciers in recent geologic times.
  • lake (physical feature) -- Britannica Online Encyclopedia 20 January 2010 14:46 UTC www.britannica.com [Source type: Reference]

^ Most land and water activities are available at Smith Mountain Lake State Park or within a short drive ...
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

^ Lake level is DROPPING Irrigation canal is running Fishing is very slow Catfish are most active in the river above the low water bridge.

.More than 60 percent of the world's lakes are in Canada;[citation needed] this is because of the deranged drainage system that dominates the country.^ In a way, there really are more lakes than one.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

^ The U.S. state of Alaska has more than 3,000,000 lakes with surface areas greater than 8 hectares (20 acres).
  • lake (physical feature) -- Britannica Online Encyclopedia 20 January 2010 14:46 UTC www.britannica.com [Source type: Reference]

^ More than $50 million in work is also needed on the hundreds of miles of canals that deliver Medina Lake water to 1,900 irrigators downstream.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.Finland is known as The Land of the Thousand Lakes, (actually there are 187,888 lakes in Finland, of which 60,000 are large),[7] and the U.S. state of Minnesota is known as The Land of Ten Thousand Lakes.^ The U.S. state of Alaska has more than 3,000,000 lakes with surface areas greater than 8 hectares (20 acres).
  • lake (physical feature) -- Britannica Online Encyclopedia 20 January 2010 14:46 UTC www.britannica.com [Source type: Reference]

^ Most land and water activities are available at Smith Mountain Lake State Park or within a short drive ...
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

^ HISTORY: The land in Lake Anna State Park used to be known as "Gold Hill" and contained the Goodwin Gold Mine.
  • Lake Anna State Park 20 January 2010 14:46 UTC www.dcr.virginia.gov [Source type: FILTERED WITH BAYES]

The license plates of the Canadian province of Manitoba used to claim 100,000 lakes[8] as one-upmanship on Minnesota, whose license plates boast of its 10,000 lakes.[9]
.Most lakes have a natural outflow[citation needed] in the form of a river or stream; some do not and lose water solely by evaporation or underground seepage or both.^ LAKE COUNTY – Some of the county's most talented and hardworking students are gearing up for Lake County’s 30th annual Ac...
  • Lake County News | California 20 January 2010 14:46 UTC www.lakeconews.com [Source type: General]

^ Lake level is DROPPING Irrigation canal is running Fishing is very SLOW. A FEW good sized hybrids are being caught in deep water Catfish are most active in the river above the low water bridge.

^ Lake Jackson is considered one of Leon County's most precious natural resources and is designated as an Aquatic Preserve by the State of Florida.

.They are termed endorheic lakes (see below).^ People who have never been to Shasta Lake may get the impression they are seeing several lakes as they pass by on Interstate 5.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

.Many lakes are artificial and are constructed for hydro-electric power generation, recreational purposes, industrial use, agricultural use or domestic water supply.^ The idea is that excess water not used by the irrigators will be delivered for use in the San Antonio area and not left in the lake as it has been in the past.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ Who owns and uses Medina Lake water and the land around the lake has become a nagging source of concern for local landowners.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ The drought of 2006 also confirmed that BexarMet's supply of water from the Lake is not especially reliable.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

Evidence of extraterrestrial lakes exists; "definitive evidence of lakes filled with methane" was announced by NASA[citation needed] as returned by the Cassini Probe observing the moon Titan, which orbits the planet Saturn.
.Globally, lakes are greatly outnumbered by ponds: of an estimated 304-million standing water bodies worldwide, 91 percent are 1 hectare (2.5 acres) or less in area (see definition of ponds).^ More than $50 million in work is also needed on the hundreds of miles of canals that deliver Medina Lake water to 1,900 irrigators downstream.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ Boyd Kennedy said that although the lake is public and boaters have the right to use it, there's no law that requires anybody to give public access to a public body of water.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ Visitors can see the lake from Antlers Bridge, O'Brien Rest Area, and the Pit River Bridge on Interstate 5.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

[10] .Small lakes are also much more numerous than big lakes: in terms of area, one-third of the world's standing water is represented by lakes and ponds of 10 hectares (25 acres) or less.^ In a way, there really are more lakes than one.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

^ The idea is that excess water not used by the irrigators will be delivered for use in the San Antonio area and not left in the lake as it has been in the past.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ What the Planning Group has in mind for Medina Lake is purchase and/or retirement of irrigated farmland and Aquifer pumping rights, which would leave more water in the lake to become Aquifer recharge.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.July 2009" style="white-space:nowrap;">[citation needed] However, large lakes contribute disproportionately to the area of standing water with 122 large lakes of 1,000 square kilometres (390 sq mi, 100,000 ha, 247,000 acres) or more representing about 29 percent of the total global area of standing inland water.^ Lake size: 13,000 acres.
  • Lake Anna State Park 20 January 2010 14:46 UTC www.dcr.virginia.gov [Source type: FILTERED WITH BAYES]

^ The idea is that excess water not used by the irrigators will be delivered for use in the San Antonio area and not left in the lake as it has been in the past.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ Kerrville Folk Festival Join 30,000 music fans as the music continues for 18 days with performances by more than 100 singer songwriters and their bands.
  • lake travis.com - If it's on the Lake....It's here. 20 January 2010 14:46 UTC www.laketravis.com [Source type: General]

[citation needed]

Origin of natural lakes

Ipperwash Beach, Lake Huron, Ontario, Canada
A portion of the Great Salt Lake in Utah, United States
Salt crystals, on the shore of Lake Urmia, Iran
There are a number of natural processes that can form lakes. .A recent tectonic uplift of a mountain range can create bowl-shaped depressions that accumulate water and form lakes.^ The water is then pumped back into Smith Mountain Lake and used again.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

^ Harbortown Miniature Golf Course is located over the water on the Smith Mountain Lake.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

^ For now, Smith Mountain Lake water quality remains excellent, largely due to the vigilance of organizations like SMLA and TLAC .
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

The advance and retreat of glaciers can scrape depressions in the surface where water accumulates; such lakes are common in Scandinavia, Patagonia, Siberia and Canada. .The most notable examples are probably the Great Lakes of North America.^ And individual bloggers have been massive champions: Great Lake Swimmers reached “Most Blogged Artist” status on premier MP3 site Hype Machine.
  • Great Lake Swimmers on MySpace Music - Free Streaming MP3s, Pictures & Music Downloads 20 January 2010 14:46 UTC www.myspace.com [Source type: FILTERED WITH BAYES]

Lakes can also form by means of landslides or by glacial blockages. .An example of the latter occurred during the last ice age in the U.S. state of Washington, when a huge lake formed behind a glacial flow; when the ice retreated, the result was an immense flood that created the Dry Falls at Sun Lakes, Washington.^ The first glimpse of the titanic Dam catches the breath in ecstatic surprise, the immense lake of water behind it, stretching for miles, holds one spell-bound.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ Although the peak migration occurred as Lake Jackson dried, migration of turtles and other wildlife between Lake Jackson and Little Lake Jackson has continued since the lake refilled, so this is not a one-time problem .

^ Water released from behind the dam flows for a short distance and is impounded again in Diversion Lake, shown below.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.Salt lakes (also called saline lakes) can form where there is no natural outlet or where the water evaporates rapidly and the drainage surface of the water table has a higher-than-normal salt content.^ No electrical outlets or water hydrants.
  • Lake Anna State Park 20 January 2010 14:46 UTC www.dcr.virginia.gov [Source type: FILTERED WITH BAYES]

^ No electric outlets or water hydrants.
  • Lake Anna State Park 20 January 2010 14:46 UTC www.dcr.virginia.gov [Source type: FILTERED WITH BAYES]

^ The water level of Lake Jackson fluctuates widely and is controlled naturally by rainfall (variation in surface water run-off into the lake) and by two primary sinkholes ( Porter Hole and Lime Sink ).

Examples of salt lakes include Great Salt Lake, the Aral Sea and the Dead Sea.
.Small, crescent-shaped lakes called oxbow lakes can form in river valleys as a result of meandering.^ In Texas, when a public river is dammed, the resulting lake is public property, but only people able to reach it legally have a right to use it.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

The slow-moving river forms a sinuous shape as the outer side of bends are eroded away more rapidly than the inner side. Eventually a horseshoe bend is formed and the river cuts through the narrow neck. .This new passage then forms the main passage for the river and the ends of the bend become silted up, thus forming a bow-shaped lake.^ The damming of the Blackwater and Roanoke Rivers formed Smith Mountain Lake in a filling process that began on September 24, 1963 -- and ended almost 2.5 years later on March 7, 1966.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

.Crater lakes are formed in volcanic craters and calderas which fill up with precipitation more rapidly than they empty via evaporation.^ During the spring, Most fishing is better on north banks (they get more sun from the south and warm up earlier) Crappies are fair to good.

^ In a way, there really are more lakes than one.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

^ MORE THAN MEETS THE EYE - Shasta Lake, keystone of the Central Valley Project, is the largest man-made reservoir in California.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

.Sometimes the latter are called caldera lakes, although often no distinction is made.^ Boyd Kennedy said that although the lake is public and boaters have the right to use it, there's no law that requires anybody to give public access to a public body of water.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.An example is Crater Lake in Oregon, located within the caldera of Mount Mazama.^ Locate Shasta Dam on a Google Map On your way to Shasta Dam you can check out the vista point with a great view of Shasta Dam, Shasta Lake and Mount Shasta.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

The caldera was created in a massive volcanic eruption that led to the subsidence of Mount Mazama around 4860 BC.
.Gloe Lakes are freshwater lakes that have emerged when the water they consists of has been separated, not considerably long before, from the sea as a consequence of post-glacial rebound.^ July 1st Fishing Report for Lake Altus-Lugert Lake is FULL flood control gates are closed but water is flowing over spillway Fishing in the lake has slowed considerably.

^ They were seeking, among other things, a declaration that BMA’s rights in the Contour Zone are limited to the right to flood in connection with the storage of water in Medina Lake for irrigation purposes.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ The recreational economy was impacted by consistently low lake levels, and property values and some drinking water wells of lakeside property owners were also affected.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.Some lakes, such as Lake Jackson in Florida, USA, come into existence as a result of sinkhole activity.^ The water level of Lake Jackson fluctuates widely and is controlled naturally by rainfall (variation in surface water run-off into the lake) and by two primary sinkholes ( Porter Hole and Lime Sink ).

^ Lake Jackson Aquatic Preserve Roadkill Fact Sheet Summary: Lake Jackson is a 4000-acre sinkhole lake in northwestern Florida located 7 miles north of Tallahassee, FL in the Ochlockonee River basin.

^ Lake Jackson is considered one of Leon County's most precious natural resources and is designated as an Aquatic Preserve by the State of Florida.

Lake Vostok is a subglacial lake in Antarctica, possibly the largest in the world. .The pressure from the ice atop it and its internal chemical composition mean that, if the lake were drilled into, a fissure could result that would spray somewhat like a geyser.^ If your organization or company would like to help support the Lake Jackson Ecopassage, please send the Lake Jackson Ecopassage Alliance your letter .

^ Lake levels would generally be higher which would benefit recreation, but the farming segment of the local economy could be impacted.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.Most lakes are geologically young and shrinking since the natural results of erosion will tend to wear away the sides and fill the basin.^ Lake Jackson is considered one of Leon County's most precious natural resources and is designated as an Aquatic Preserve by the State of Florida.

Exceptions are those such as Lake Baikal and Lake Tanganyika that lie along continental rift zones and are created by the crust's subsidence as two plates are pulled apart. These lakes are the oldest and deepest in the world. .Lake Baikal, which is 25-30 million years old, is deepening at a faster rate than it is being filled by erosion and may be destined over millions of years to become attached to the global ocean.^ Pearson Lake, a small holding reservoir on the canal system, at a cost of about $5 million repairing at least two of the three failing gates within three years.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

The Red Sea, for example, is thought to have originated as a rift valley lake.

Types of lakes

One of the many artificial lakes in Arizona at sunset.
The crater lake of Volcán Irazú, Costa Rica.
These kettle lakes in Alaska were formed by a retreating glacier.
.
Ephemeral 'Lake Badwater', a lake only noted after heavy winter and spring rainfall, Badwater Basin, Death Valley National Park.
  • Periglacial lake: Part of the lake's margin is formed by an ice sheet, ice cap or glacier, the ice having obstructed the natural drainage of the land.
  • Subglacial lake: A lake which is permanently covered by ice.^ HISTORY: The land in Lake Anna State Park used to be known as "Gold Hill" and contained the Goodwin Gold Mine.
    • Lake Anna State Park 20 January 2010 14:46 UTC www.dcr.virginia.gov [Source type: FILTERED WITH BAYES]

    ^ While boating and fishing on this beautiful lake are major attractions, these are only some of the park’s offerings.
    • Lake Anna State Park 20 January 2010 14:46 UTC www.dcr.virginia.gov [Source type: FILTERED WITH BAYES]

    ^ Turtles and other wildlife are an integral part of Lake Jackson 's ecosystem and should be protected in standing with Lake Jackson 's designation as Florida's only lake Aquatic Preserve .

    They can occur under glaciers, ice caps or ice sheets. .There are many such lakes, but Lake Vostok in Antarctica is by far the largest.^ If you're traveling by car , there are many ways to reach the lake.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    ^ At the park, there's a visitors' center with many interesting exhibits, including one detailing the history and folklore of Smith Mountain Lake.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    .They are kept liquid because the overlying ice acts as a thermal insulator retaining energy introduced to its underside by friction, by water percolating through crevasses, by the pressure from the mass of the ice sheet above or by geothermal heating below.
  • Glacial lake: a lake with origins in a melted glacier, like a kettle lake.
  • Artificial lake: A lake created by flooding land behind a dam, called an impoundment or reservoir, by deliberate human excavation, or by the flooding of an excavation incident to a mineral-extraction operation such as an open pit mine or quarry.^ The operation of Smith Mountain Dam uses two natural resources, water and coal, through a process known as pumped storage.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    ^ Built and operated by Appalachian Power Company, Smith Mountain Lake and Dam (the " Smith Mountain Project ") was first conceived in 1924.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    ^ Don't wash your boat near the water because hitchhiking weeds or weed fragments can wash into the lake.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    .Some of the world's largest lakes are reservoirs.
  • Endorheic lake, terminal or closed: A lake which has no significant outflow, either through rivers or underground diffusion.^ Lake level is RISING No new LAKE fishing information Trout fishing VERY GOOD in river.

    ^ MORE THAN MEETS THE EYE - Shasta Lake, keystone of the Central Valley Project, is the largest man-made reservoir in California.
    • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

    ^ Locate Shasta Lake on a map Location of Shasta Lake on world map Location of Shasta Lake on U.S.A. map Location of Shasta Lake on California map Location of Shasta Lake on northern California map Location of Shasta Lake on Shasta County map Map of Shasta Lake (reservoir) Map of the City of Shasta Lake Thanks to Google Maps !
    • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

    Any water within an endorheic basin leaves the system only through evaporation or seepage. .These lakes, such as Lake Eyre in central Australia or the Aral Sea in central Asia, are most common in desert locations.
  • Meromictic lake: A lake which has layers of water which do not intermix.^ Harbortown Miniature Golf Course is located over the water on the Smith Mountain Lake.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    ^ Most land and water activities are available at Smith Mountain Lake State Park or within a short drive ...
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    ^ Water flows through these large bar screens into this small holding tank on the west end of Diversion Lake Dam, and then it flows into the Medina Canal.
    • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

    The deepest layer of water in such a lake does not contain any dissolved oxygen. .The layers of sediment at the bottom of a meromictic lake remain relatively undisturbed because there are no living aerobic organisms.
  • Fjord lake: A lake in a glacially eroded valley that has been eroded below sea level.
  • Oxbow lake: A lake which is formed when a wide meander from a stream or a river is cut off to form a lake.^ Instead, power wash your boat and trailer at a car wash away from the lake -- there are several off-water car washes nearby .
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    ^ Lake level STILL rising Sand Bass are now good off the main swim beach Hybrid bass are now good in same location!

    ^ Lake level is RISING Crappies still poor Walleye's still poor Trout fishing is very GOOD in river-- hitting on corn.

    They are called "oxbow" lakes due to the distinctive curved shape that results from this process.
  • Rift lake or sag pond: A lake which forms as a result of subsidence along a geological fault in the Earth's tectonic plates. .Examples include the Rift Valley lakes of eastern Africa and Lake Baikal in Siberia.
  • Underground lake: A lake which is formed under the surface of the Earth's crust.^ Some of the methods that will be examined include storing water in small off-channel lakes along the canal, or injecting water underground for retrieval later.
    • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

    Such a lake may be associated with caves, aquifers or springs.
  • Crater lake: A lake which forms in a volcanic caldera or crater after the volcano has been inactive for some time. Water in this type of lake may be fresh or highly acidic, and may contain various dissolved minerals. Some also have geothermal activity, especially if the volcano is merely dormant rather than extinct.
  • Lava lake: A pool of molten lava contained in a volcanic crater or other depression. Lava lakes that have partly or completely solidified are also referred to as lava lakes.
  • Former: A lake which is no longer in existence. Such lakes include prehistoric lakes and lakes which have permanently dried up through evaporation or human intervention. .Owens Lake in California, USA, is an example of a former lake.^ ShastaLake.com - Shasta Lake, California, USA Tourism and Recreation Information Eric Cassano (530) 275-1296 - e-mail .
    • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

    ^ ShastaLake.com (You are here) Shasta Lake, California, USA Eric Cassano (530) 275-1296 e-mail .
    • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

    ^ Shasta Lake is about 10 miles north of the city of Redding, California, USA. .
    • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

    .Former lakes are a common feature of the Basin and Range area of southwestern North America.
  • Ephemeral lake: A seasonal lake that exists as a body of water during only part of the year.
  • Intermittent lake: A lake with no water during a part of the year.
  • Shrunken: Closely related to former lakes, a shrunken lake is one which has drastically decreased in size over geological time.^ Lake level is holding STEADY Trout Season has OPENED Hybrid Bass are fair to good in deeper waters.

    ^ Lake level is holding STEADY Trout Season is OPEN Next Scheduled Stocking Date: November 24 Hybrid Bass are fair in deeper waters.

    ^ ONLY the Main Boat RAMP is functional - dock is high & dry Beach Haven & Hicks Mountain boat ramps have no water.

    Lake Agassiz, which once covered much of central North America, is a good example of a shrunken lake. Two notable remnants of this lake are Lake Winnipeg and Lake Winnipegosis.
  • Eolic lake: A lake which forms in a depression created by the activity of the winds.
  • Vlei, in South Africa, shallow lakes which vary considerably with seasons

Characteristics

Lake Mapourika, New Zealand
.Lakes have numerous features in addition to lake type, such as drainage basin (also known as catchment area), inflow and outflow, nutrient content, dissolved oxygen, pollutants, pH, and sedimentation.^ Its partly-covered fishing pier is the largest at Smith Mountain Lake, and is located in an area known for striped bass.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

.Changes in the level of a lake are controlled by the difference between the input and output compared to the total volume of the lake.^ Lake level is RISING SLOWLY Fishing is picking up a little more ...and is between "slow" and "fair" overall.

Significant input sources are precipitation onto the lake, runoff carried by streams and channels from the lake's catchment area, groundwater channels and aquifers, and artificial sources from outside the catchment area. .Output sources are evaporation from the lake, surface and groundwater flows, and any extraction of lake water by humans.^ Who owns and uses Medina Lake water and the land around the lake has become a nagging source of concern for local landowners.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ July 1st Fishing Report for Lake Altus-Lugert Lake is FULL flood control gates are closed but water is flowing over spillway Fishing in the lake has slowed considerably.

^ Water flows through these large bar screens into this small holding tank on the west end of Diversion Lake Dam, and then it flows into the Medina Canal.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.As climate conditions and human water requirements vary, these will create fluctuations in the lake level.^ Lake level is holding STEADY Trout Season has OPENED Hybrid Bass are fair to good in deeper waters.

^ Lake level is holding STEADY Trout Season is OPEN Next Scheduled Stocking Date: November 24 Hybrid Bass are fair in deeper waters.

^ During severe drought conditions, including 2007, lake levels have fallen by five feet.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

Lakes can be also categorized on the basis of their richness in nutrients, which typically affect plant growth. Nutrient-poor lakes are said to be oligotrophic and are generally clear, having a low concentration of plant life. .Mesotrophic lakes have good clarity and an average level of nutrients.^ Lake level is DROPPING Catfish are good.

^ Lake level is RISING Catfish are good.

^ Lake level STILL rising Sand Bass are now good off the main swim beach Hybrid bass are now good in same location!

Eutrophic lakes are enriched with nutrients, resulting in good plant growth and possible algal blooms. .Hypertrophic lakes are bodies of water that have been excessively enriched with nutrients.^ Boyd Kennedy said that although the lake is public and boaters have the right to use it, there's no law that requires anybody to give public access to a public body of water.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

These lakes typically have poor clarity and are subject to devastating algal blooms. .Lakes typically reach this condition due to human activities, such as heavy use of fertilizers in the lake catchment area.^ The idea is that excess water not used by the irrigators will be delivered for use in the San Antonio area and not left in the lake as it has been in the past.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ The area boasts 5 family camps, several group camps, the Dekkas Rock day-use lake access and picnic areas and launching at the Hirz Bay public ramp.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

^ In Texas, when a public river is dammed, the resulting lake is public property, but only people able to reach it legally have a right to use it.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

Such lakes are of little use to humans and have a poor ecosystem due to decreased dissolved oxygen.
.Due to the unusual relationship between water's temperature and its density, lakes form layers called thermoclines, layers of drastically varying temperature relative to depth.^ Lake level DROPPED slightly due to high temperatures and high winds.

^ For now, Smith Mountain Lake water quality remains excellent, largely due to the vigilance of organizations like SMLA and TLAC .
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

.Fresh water is most dense at about 4 degrees Celsius (39.2 °F) at sea level.^ Lake level is DROPPING Irrigation canal is running Fishing is very slow Catfish are most active in the river above the low water bridge.

.When the temperature of the water at the surface of a lake reaches the same temperature as deeper water, as it does during the cooler months in temperate climates, the water in the lake can mix, bringing oxygen-starved water up from the depths and bringing oxygen down to decomposing sediments.^ Lake level is holding STEADY Trout Season has OPENED Hybrid Bass are fair to good in deeper waters.

^ Lake level is holding STEADY Trout Season is OPEN Next Scheduled Stocking Date: November 24 Hybrid Bass are fair in deeper waters.

^ Always remember to have an orange ski flag up when your riders are down in the water.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

.Deep temperate lakes can maintain a reservoir of cold water year-round, which allows some cities to tap that reservoir for deep lake water cooling.^ As more of Medina Lake's water is directed toward municipal uses, maintaining water quality will likely become another controversial issue.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ Pearson Lake, a small holding reservoir on the canal system, at a cost of about $5 million repairing at least two of the three failing gates within three years.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ The recreational economy was impacted by consistently low lake levels, and property values and some drinking water wells of lakeside property owners were also affected.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.Since the surface water of deep tropical lakes never reaches the temperature of maximum density, there is no process that makes the water mix.^ Instead, power wash your boat and trailer at a car wash away from the lake -- there are several off-water car washes nearby .
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

^ Another problem is that withdrawals operate on the honor system and there are no meters to record water usage.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ There's no park admission fee but a Virginia Fishing License is required to fish anywhere at Smith Mountain Lake, including the park pier.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

.The deeper layer becomes oxygen starved and can become saturated with carbon dioxide, or other gases such as sulfur dioxide if there is even a trace of volcanic activity.^ Some areas are "restricted", such as a Bald Eagle or Osprey nesting site, but even so there are several hundred miles where shoreline camping is permitted.
  • SHASTA LAKE INFO - ShastaLake.com 20 January 2010 14:46 UTC shastalake.com [Source type: General]

^ And there are some other issues that would have to be worked out such as getting a recharge recovery permit from the Edwards Aquifer Authority.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

.Exceptional events, such as earthquakes or landslides, can cause mixing which rapidly brings up the deep layers and can release a vast cloud of toxic gases which lay trapped in solution in the colder water at the bottom of the lake.^ For a long time, it was, and a recreational economy grew up around the use of Medina Lake water.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ Water more than 12 feet deep crashed over the spillway and the level of Medina Lake rose to within inches from the top of the Dam.
  • Medina Lake and Canal System 20 January 2010 14:46 UTC www.edwardsaquifer.net [Source type: FILTERED WITH BAYES]

^ If you bring your boat to SML, please first clean your boat, boat trailer, and bait box -- to prevent fouling Smith Mountain Lake with invasive weeds that you may have picked up on another body of water.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

This is called a limnic eruption. An example of such a release is the disaster at Lake Nyos in Cameroon. The amount of gas that can be dissolved in water is directly related to pressure. As the previously deep water surfaces, the pressure drops and a vast amount of gas comes out of solution. Under these circumstances even carbon dioxide is toxic because it is heavier than air and displaces it, so it may flow down a river valley to human settlements and cause mass asphyxiation.
.The material at the bottom of a lake, or lake bed, may be composed of a wide variety of inorganics, such as silt or sand, and organic material, such as decaying plant or animal matter.^ Hybrid bass are fair to good Sand bass are fair to good Walleye are fair to good May 9th, 2006 Fishing Report for Lake Altus-Lugert Elevation 14.0 ft.

The composition of the lake bed has a significant impact on the flora and fauna found within the lake's environs by contributing to the amounts and the types of nutrients available.
A paired (black and white) layer of the varved lake sediments correspond to a year. During winter, when organisms die, carbon is deposited down, resulting to a black layer. .At the same year, during summer, only few organic materials are deposited, resulting to a white layer at the lake bed.^ Some marinas are open only during peak-season summer weekends.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

These are commonly used to track paleontological events which happened in the past.

Limnology

Limnology is the study of inland bodies of water and related ecosystems. .Limnology divides lakes into three zones: the littoral zone, a sloped area close to land; the photic or open-water zone, where sunlight is abundant; and the deep-water profundal or benthic zone, where little sunlight can reach.^ Lake level is holding STEADY Trout Season has OPENED Hybrid Bass are fair to good in deeper waters.

^ Lake level is holding STEADY Trout Season is OPEN Next Scheduled Stocking Date: November 24 Hybrid Bass are fair in deeper waters.

^ Don't wash your boat near the water because hitchhiking weeds or weed fragments can wash into the lake.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

The depth to which light can reach in lakes depends on turbidity, determined by the density and size of suspended particles. A particle is in suspension if its weight is less than the random turbidity forces acting upon it. These particles can be sedimentary or biological in origin and are responsible for the color of the water. Decaying plant matter, for instance, may be responsible for a yellow or brown color, while algae may cause greenish water. In very shallow water bodies, iron oxides make water reddish brown. Biological particles include algae and detritus. Bottom-dwelling detritivorous fish can be responsible for turbid waters, because they stir the mud in search of food. Piscivorous fish contribute to turbidity by eating plant-eating (planktonivorous) fish, thus increasing the amount of algae (see aquatic trophic cascade). The light depth or transparency is measured by using a Secchi disk, a 20-cm (8 in) disk with alternating white and black quadrants. The depth at which the disk is no longer visible is the Secchi depth, a measure of transparency. The Secchi disk is commonly used to test for eutrophication. For a detailed look at these processes, see lentic ecosystems.
.A lake moderates the surrounding region's temperature and climate because water has a very high specific heat capacity (4,186 J·kg−1·K−1).^ Don't wash your boat near the water because hitchhiking weeds or weed fragments can wash into the lake.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

^ Lake level is dropping very QUICKLY. North Shore Boat Ramp is High & Dry Water murky.

^ Because Smith Mountain Lake was created to generate electricity, and to help manage water flows downstream and nearby.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

In the daytime a lake can cool the land beside it with local winds, resulting in a sea breeze; in the night it can warm it with a land breeze.

How lakes disappear

Lake Chad in a 2001 satellite image, with the actual lake in blue, and vegetation on top of the old lake bed in green.
Lake Badwater, February 9, 2005. Landsat 5 satellite photo.
Badwater Basin dry lake, February 15, 2007. Landsat 5 satellite photo.
A lake may be infilled with deposited sediment and gradually become a wetland such as a swamp or marsh. Large water plants, typically totos, accelerate this closing process significantly because they partially decompose to form peat soils that fill the shallows. Conversely, peat soils in a marsh can naturally burn and reverse this process to recreate a shallow lake. .Turbid lakes and lakes with many plant-eating fish tend to disappear more slowly.^ Lake level is RISING SLOWLY Crappies still poor Walleyes are fair to good-tend to be small Hybrids are fair to good-also tending to be small.

^ Lake level is RISING SLOWLY Most fishing is improving Catfish are still Excellent (in the lake).

^ Lake level is RISING SLOWLY Most fishing is improving Catfish are Excellent (in the lake).

A "disappearing" lake (barely noticeable on a human timescale) typically has extensive plant mats at the water's edge. These become a new habitat for other plants, like peat moss when conditions are right, and animals, many of which are very rare. Gradually the lake closes and young peat may form, forming a fen. In lowland river valleys where a river can meander, the presence of peat is explained by the infilling of historical oxbow lakes. In the very last stages of succession, trees can grow in, eventually turning the wetland into a forest.
Some lakes can disappear seasonally. These are called intermittent lakes and can be found in karstic terrain. A prime example of an intermittent lake is Lake Cerknica in Slovenia. Other intermittent lakes are only the result of above-average precipitation in a closed, or endorheic basin, usually filling dry lake beds. This can occur in some of the driest places on earth, like Death Valley. This occurred in the spring of 2005, after unusually heavy rains.[11] The lake did not last into the summer, and was quickly evaporated (see photos to right). A more commonly-filled lake of this type is Sevier Lake of west-central Utah.
Sometimes a lake will disappear quickly. On 3 June 2005, in Nizhny Novgorod Oblast, Russia, a lake called Lake Beloye vanished in a matter of minutes. .News sources reported that government officials theorized that this strange phenomenon may have been caused by a shift in the soil underneath the lake that allowed its water to drain through channels leading to the Oka River.^ July 1st Fishing Report for Lake Altus-Lugert Lake is FULL flood control gates are closed but water is flowing over spillway Fishing in the lake has slowed considerably.

^ Water from Smith Mountain Lake goes through turbine generators in the Smith Mountain Dam powerhouse and produces electricity.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

^ Water temperatures invite swimming from May through September.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

[12]
The presence of ground permafrost is important to the persistence of some lakes. .According to research published in the journal Science ("Disappearing Arctic Lakes", June 2005), thawing permafrost may explain the shrinking or disappearance of hundreds of large Arctic lakes across western Siberia.^ Noodlers have caught a few LARGE catfish June 8th 2008 Fishing Report for Lake Altus-Lugert Elevation 2.24 ft.

The idea here is that rising air and soil temperatures thaw permafrost, allowing the lakes to drain away into the ground.
Neusiedler See, located in Austria and Hungary, has dried up many times over the millennia. As of 2005 it is again rapidly losing water, giving rise to the fear that it will be completely dry by 2010.
Some lakes disappear because of human development factors. The shrinking Aral Sea is described as being "murdered" by the diversion for irrigation of the rivers feeding it.

Extraterrestrial lakes

Io exhibits extraordinary variations in color and brightness as shown in this color-enhanced image.
At present the surface of the planet Mars is too cold and has too little atmospheric pressure to permit the pooling of liquid water on the surface. Geologic evidence appears to confirm, however, that ancient lakes once formed on the surface. It is also possible that volcanic activity on Mars will occasionally melt subsurface ice, creating large lakes. .Under current conditions this water would quickly freeze and evaporate unless insulated in some manner, such as by a coating of volcanic ash.^ Under extreme flood control conditions, the water level could reach the top of the Smith Mountain Dam -- 802 feet above sea level.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

.Only one world other than Earth is known to harbor lakes, Saturn's largest moon, Titan.^ Its partly-covered fishing pier is the largest at Smith Mountain Lake, and is located in an area known for striped bass.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

Photographs and spectroscopic analysis by the Cassini-Huygens spacecraft show liquid ethane on the surface, which is thought to be mixed with liquid methane.
Jupiter's small moon Io is volcanically active due to tidal stresses, and as a result sulfur deposits have accumulated on the surface. Some photographs taken during the Galileo mission appear to show lakes of liquid sulfur on the surface.[13]
.There are dark basaltic plains on the Moon, similar to lunar maria but smaller, that are called lacus (singular lacus, Latin for "lake") because they were thought by early astronomers to be lakes of water.^ Don't wash your boat near the water because hitchhiking weeds or weed fragments can wash into the lake.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

^ Instead, power wash your boat and trailer at a car wash away from the lake -- there are several off-water car washes nearby .
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

^ Because Smith Mountain Lake was created to generate electricity, and to help manage water flows downstream and nearby.
  • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

Notable lakes

.
  • Lake Michigan-Huron is the largest lake by surface area: 117,350 km².^ Its partly-covered fishing pier is the largest at Smith Mountain Lake, and is located in an area known for striped bass.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    It also has the longest lake coastline in the world: 8,790 km. If Huron and Michigan are considered two lakes, Lake Superior is the largest lake, with 82,414 km². However, Huron still has the longest coastline at 6,157 km (2980 km excluding the coastlines of its many inner islands). .The world's smallest geological ocean, the Caspian Sea, at 394,299 km² has a surface area greater than the six largest freshwater lakes combined, and it's frequently cited as the world's largest lake.
  • The deepest lake is Lake Baikal in Siberia, with a bottom at 1,637 m.^ Its partly-covered fishing pier is the largest at Smith Mountain Lake, and is located in an area known for striped bass.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    Its mean depth is also the greatest in the world (749 m).
    .It is also the world's largest lake by volume (23,600 km³, though smaller than the Caspian Sea at 78,200 km³), and the second longest (about 630 km from tip to tip).
  • The longest lake is Lake Tanganyika, with a length of about 660 km (measured along the lake's center line).^ Even though Smith Mountain Lake is the second largest lake in Virginia, Smith Mountain Lake State Park is not just for water enthusiasts.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    ^ If you want to buy or rent real estate at Smith Mountain Lake, more than 200 lake-based sales agents can help you to find the property you want.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]


    .It is also the second deepest in the world (1,470 m) after lake Baikal.
  • The world's oldest lake is Lake Baikal, followed by Lake Tanganyika (Tanzania).
  • The world's highest lake is the crater lake of Ojos del Salado, at 6,390 metres (20,965 ft).^ January 17th 2010 Fishing Report for Lake Altus-Lugert Elevation 20.41 ft.

    ^ January 10th 2010 Fishing Report for Lake Altus-Lugert Elevation 20.77 ft.

    [14] The Lhagba Pool in Tibet at 6,368 m (20,892 ft) comes second.[15]
  • .
  • The highest large freshwater lake in the world is Lake Manasarovar in Tibet Autonomous Region of China.
  • The world's highest commercially navigable lake is Lake Titicaca in Peru and Bolivia at 3,812 m (12,507 ft).^ Lake level is DROPPING August 2nd 2009 Fishing Report for Lake Altus-Lugert Elevation 12.32 ft.

    ^ Noodlers have caught a few LARGE catfish June 8th 2008 Fishing Report for Lake Altus-Lugert Elevation 2.24 ft.

    ^ July 26th 2009 Fishing Report for Lake Altus-Lugert Elevation 12.15 ft.

    .It is also the largest freshwater (and second largest overall) lake in South America.
  • The world's lowest lake is the Dead Sea, bordering Israel and Jordan at 418 m (1,371 ft) below sea level.^ Lake level is RISING VERY SLOWLY All lake fishing slow December 28th 2008 Fishing Report for Lake Altus-Lugert Elevation 10.58 ft.

    ^ Lake level is RISING VERY SLOWLY All lake fishing slow January 4th 2009 Fishing Report for Lake Altus-Lugert Elevation 10.33 ft.

    ^ Lake level is RISING SLOWLY Fishing is picking up a little more ...and is between "slow" and "fair" overall.

    .It is also one of the lakes with highest salt concentration.
  • Lake Huron has the longest lake coastline in the world: about 2980 km, excluding the coastline of its many inner islands.
  • The largest island in a freshwater lake is Manitoulin Island in Lake Huron, with a surface area of 2,766 km².^ At the park, there's a visitors' center with many interesting exhibits, including one detailing the history and folklore of Smith Mountain Lake.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    ^ Its partly-covered fishing pier is the largest at Smith Mountain Lake, and is located in an area known for striped bass.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    .Lake Manitou, located on Manitoulin Island, is the largest lake on an island in a freshwater lake.
  • The largest lake located on an island is Nettilling Lake on Baffin Island, with an area of 5542 km² and a maximum length of 123 km.^ Its partly-covered fishing pier is the largest at Smith Mountain Lake, and is located in an area known for striped bass.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    [16] .
  • .
  • The largest lake in the world that drains naturally in two directions is Wollaston Lake.
  • Lake Toba on the island of Sumatra is located in what is probably the largest resurgent caldera on Earth.
  • The largest lake located completely within the boundaries of a single city is Lake Wanapitei in the city of Sudbury, Ontario, Canada.^ Its partly-covered fishing pier is the largest at Smith Mountain Lake, and is located in an area known for striped bass.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    Before the current city boundaries came into effect in 2001, this status was held by Lake Ramsey, also in Sudbury.
  • Lake Enriquillo in Dominican Republic is the only saltwater lake in the world inhabited by crocodiles.
  • Lake Bernard, Ontario, Canada, is the largest freshwater lake in the world with no islands.

Largest by continent

The largest lakes (surface area) by continent are:
  • Australia - Lake Eyre (salt lake)
  • Africa - Lake Victoria, also the third-largest freshwater lake on Earth. .It is one of the Great Lakes of Africa.
  • Antarctica - Lake Vostok (subglacial)
  • Asia - Lake Baikal (if the Caspian Sea is considered a lake, it is the largest in Eurasia, but is divided between the two geographic continents)
  • Oceania - Lake Eyre when filled; the largest permanent (and freshwater) lake in Oceania is Lake Taupo.
  • Europe - Lake Ladoga, followed by Lake Onega, both located in northwestern Russia.
  • North America - Lake Michigan-Huron, which is hydrologically a single lake.^ Smith Mountain Lake and its neighbor Leesville Lake hold two Virginia state freshwater records -- a 53 lb.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    ^ While at Smith Mountain Lake, you can also drive the Blue Ridge Parkway ; an entrance is located just 26 miles north of Moneta.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    ^ Two and one-half years later, on March 7, 1966, the 20,600-acre Smith Mountain Lake reached "full-pond" at 795 feet above sea level.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    .However, lakes Huron and Michigan are often considered separate lakes, in which case Lake Superior would be the largest.
  • South America - Lake Titicaca, which is also the highest navigable body of water on Earth at 3,821 m above sea level.^ Its highest normal water level ("full pond") is 795 feet above sea level.
    • Smith Mountain Lake: Jewel of the Blue Ridge Mountains 20 January 2010 14:46 UTC smith-mountain-lake.com [Source type: General]

    ^ Lake level STILL rising Sand Bass have slowed but are still biting in deeper waters off the main swim beach Hybrid bass have also slowed but are also good in same location!

    ^ Lake level is dropping very QUICKLY. North Shore Boat Ramp is High & Dry Water murky.

    The much larger Lake Maracaibo is considered by some to be the second-oldest lake on Earth, but since it lies at sea level and nowadays is a contiguous body of water with the sea, others consider that it has turned into a bay.

See also

Round Tangle Lake, one of the Tangle Lakes, located 2,864 feet (873 m) above sea level in interior Alaska

References

  1. ^ The Caspian Sea is generally regarded by geographers, biologists and limnologists as a huge inland salt lake. However, the Caspian large size means that for some purposes it is better modeled as a sea. Geologically, the Caspian, Black and Mediterranean seas are remnants of the ancient Tethys Ocean. Politically, the distinction between a sea and a lake may affect how the Caspian is treated by international law.
  2. ^ Britannica online. "Lake (physical feature)". http://www.britannica.com/EBchecked/topic/328083/lake. Retrieved 2008-06-25. "[a Lake is] any relatively large body of slowly moving or standing water that occupies an inland basin of appreciable size. Definitions that precisely distinguish lakes, ponds, swamps, and even rivers and other bodies of nonoceanic water are not well established. It may be said, however, that rivers and streams are relatively fast moving; marshes and swamps contain relatively large quantities of grasses, trees or shrubs; and ponds are relatively small in comparison to lakes. Geologically defined, lakes are temporary bodies of water." 
  3. ^ [http://dictionary.reference.com/browse/lake a body of fresh or salt water of considerable size, surrounded by land. "Dictionary.com definition"]. http://dictionary.reference.com/browse/lake a body of fresh or salt water of considerable size, surrounded by land.. Retrieved 2008-06-25. 
  4. ^ Williams, Penny; Whitfield, Mericia; Biggs, Jeremy; Bray, Simon; Fox, Gill; Nicolet, Pascale; Sear, David (2004), "Comparative biodiversity of rivers, streams, ditches and ponds in an agricultural landscape in Southern England", Biological Conservation 115 (2): 329–341, doi:10.1016/S0006-3207(03)00153-8, http://www.seaturtle.org/PDF/Williams_2003_BiolConserv.pdf, retrieved 2009-06-16 
  5. ^ Moss, Brian; Johnes, Penny; Phillips, Geoffrey (1996), "The monitoring of ecological quality and the classification of standing waters in temperate regions:", Biological Reviews 71 (2): 301–339, doi:10.1111/j.1469-185X.1996.tb00750.x, http://www3.interscience.wiley.com/journal/119958386/abstract, retrieved 2009-06-16 
  6. ^ Elton, Charles Sutherland; Miller, Richard S. (1954), "The Ecological Survey of Animal Communities: With a Practical System of Classifying Habitats by Structural Characters", The Journal of Ecology 42 (2): 460–496, http://www.jstor.org/stable/2256872, retrieved 2009-06-16 
  7. ^ Statistics Finland
  8. ^ Licence Plates of the World
  9. ^ Minnesota Driver and Vehicle Services
  10. ^ Downing JA, Prairie YT, Cole JJ, Duarte CM, Tranvick LJ, Striegel RG, McDowell WH, Kortelainen P, Melack JM, Middleburg JJ (2006). The global abundance and size distribution of lakes, ponds and impoundments. Limnology and Oceanography, 51: 2388-2397.
  11. ^ http://www.npr.org/templates/story/story.php?storyId=4521310
  12. ^ :: The Montana Standard ::
  13. ^ The Nine Planets Solar System Tour. "Io". http://www.nineplanets.org/io.html. Retrieved 2008-08-07. 
  14. ^ Andes Website - Information about Ojos del Salado volcano, a high mountain in South America and the world's highest volcano
  15. ^ Highest Lake
  16. ^ The Lake and Island Combination

External links


Simple English

A lake (from Latin lacus) is a large body of water (larger and deeper than a pond) within a body of land. Because a lake is not connected to any ocean, it is not a sea. Some lakes are very big and people in the past sometimes called them seas. Lakes do not flow, like rivers, but it is common that rivers flow into or out of them.

Most lakes on the surface of the Earth are fresh water and most are in the Northern Hemisphere. More than 60% of the lakes of the world are in Canada. Finland is known as The Land of the Thousand Lakes (there are 187,888 lakes in Finland, of which 60,000 are large).[1]

Many lakes are man-made and are built to produce electricity, for recreation, to use the water in the industry, farming, or in houses.

If there are not rivers flowing out of the lake (see Endorheic basin), or they are few and small, the lake loses water only by evaporation or because the water flows through the soil pores. Where the water evaporates rapidly and the soil around the lake has a high salt level, as in very dry places, the water of the lake has a high concentration of salt and the lake is called a salt lake. Examples of salt lakes are the Great Salt Lake, the Caspian Sea, the Aral Sea, and the Dead Sea.

Contents

Largest lakes by continent

File:Lake urmia, salt
Salt crystals, on the shore of Lake Urmia, Iran
  • Africa - Lake Victoria, also the second largest freshwater lake on Earth. It is one of the Great Lakes of Africa.
  • Antarctica - Lake Vostok.
  • Asia - Lake Baikal is the largest lake that is completely in Asia. The Caspian Sea, the largest lake on Earth, is on the Europe-Asia border (an artificial border) and so both continents share this lake.
  • Australia - Lake Eyre, that most of the time is without water; it takes water when it rains a lot.
  • Europe - Lake Ladoga, followed by Lake Onega, both in northwestern Russia.
  • North America - Lake Superior.
  • South America - Lake Maracaibo but it is like a bay because it has a wide opening to sea. The largest freshwater lake of South America is Lake Titicaca, which is also the highest body of water on Earth at 3,821 m (12,507 ft) above sea level where boats can travel.

Notable lakes

  • The largest lake in the world by area is the Caspian Sea, with 394,299 km². The largest freshwater lake by area is Lake Superior (82,414 km²), part of the Great Lakes of North America.
  • The longest freshwater lake is Lake Tanganyika, with a length of about 660 km. Lake Baikal is the second longest (about 630 km from tip to tip).
  • The deepest lake is Lake Baikal in Siberia, with a bottom at 1,637 m (5,371 ft). Lake Tanganyika (1,470 m) is the second deepest lake.
  • The highest lake of the world is a small lake (pond) without a name on Ojos del Salado at 6,390 m (20,965 ft).[2] But the highest navigable lake is Lake Titicaca in Peru and Bolivia at 3,812 m (12,507 ft).
  • The lowest lake of the world is the Dead Sea, bordering Israel and Jordan at 418 m (1,371 ft) below sea level. It is also one of the lakes with highest salt concentration.
  • Lake Enriquillo in Dominican Republic is the only saltwater lake in the world where crocodiles live.

Other pages

References

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Citable sentences

Up to date as of December 23, 2010

Here are sentences from other pages on Lake, which are similar to those in the above article.








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