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From Wikipedia, the free encyclopedia

The Bay of Fundy, shown on the east coast of North America

The Bay of Fundy (French: Baie de Fundy) is a bay on the Atlantic coast of North America, on the northeast end of the Gulf of Maine between the Canadian provinces of New Brunswick and Nova Scotia, with a small portion touching the U.S. state of Maine. The Bay of Fundy is known for its high tidal range and the bay is contested as having the highest vertical tidal range in the world by Ungava Bay in northern Quebec and the Severn Estuary in the UK. Some sources believe the name "Fundy" is a corruption of the French word "Fendu", meaning "split",[1] while others believe it comes from the Portuguese fondo, meaning "funnel".[2]

The bay was also named Baie Française (French Bay) by explorer/cartographer Samuel de Champlain during a 1604 expedition led by Pierre Dugua, Sieur de Monts which resulted in a failed settlement attempt on St. Croix Island.

Portions of the Bay of Fundy, Shepody Bay and Minas Basin, form one of six Canadian sites in the Western Hemisphere Shorebird Reserve Network, and is classified as a Hemispheric site.[3] It is owned by the provinces of New Brunswick and Nova Scotia, and the Canadian Wildlife Service, and is managed in conjunction with Ducks Unlimited Canada and the Nature Conservancy of Canada.

In July 2009, the Bay of Fundy was named as a finalist for the New 7 Wonders of Nature.

Contents

Extents

The International Hydrographic Organization defines the southwest limit of the Bay of Fundy as follows:[4]

A line running northwesterly from Cape St. Mary (44°05'N) Nova Scotia, through Machias Seal Island (67°06'W) and on to Little River Head (44°39'N) in the State of Maine.

Tides

The Bay of Fundy at high tide
The same location at low tide

Folklore in the Mi'kmaq First Nation claims that the tides in the Bay of Fundy are caused by a giant whale splashing in the water. Oceanographers attribute it to tidal resonance resulting from a coincidence of timing: the time it takes a large wave to go from the mouth of the bay to the inner shore and back is practically the same as the time from one high tide to the next. During the 12.4 hour tidal period, 115 billion tonnes of water flow in and out of the bay.[5]

The quest for world tidal dominance has led to a rivalry between the Minas Basin in the Bay of Fundy and the Leaf Basin in Ungava Bay, over which body of water lays claim to the highest tides in the world, with supporters in each region claiming the record.

The Canadian Hydrographic Service finally declared it a statistical tie, with measurements of a 16.8 metre (55.1 feet) tidal range in Leaf Basin for Ungava Bay and 17 meters (55.8 feet) at Burntcoat Head for the Bay of Fundy.[6] The highest water level ever recorded in the Bay of Fundy system occurred at the head of the Minas Basin on the night of October 4–5, 1869 during a tropical cyclone named the “Saxby Gale”. The water level of 21.6 metres (70.9 feet) resulted from the combination of high winds, abnormally low atmospheric pressure, and a spring tide.

Leaf Basin has only been measured in recent years, whereas the Fundy system has been measured for many decades. Tidal experts note that Leaf Basin is consistently higher on average tides than Minas Basin; however, the highest recorded tidal ranges ever measured are at Burntcoat Head and result from spring tides measured at the peak of the tidal cycle every 18 years.

Tidal electrical power generation

Several proposals to build tidal harnesses for electrical power generation have been put forward in recent decades. Such proposals have mainly involved building barrages which effectively dam off a smaller arm of the bay and extract power from water flowing through them.

One such facility, (the only one of its kind currently operating) the Annapolis Royal Generating Station consists of a dam and 18-MW power house on the Annapolis River at Annapolis Royal, but larger proposals have been held back by a number of factors, including environmental concerns. The Annapolis Royal Generating Station has been studied for its various effects, including an accelerated shoreline erosion problem on the historic waterfront of the town of Annapolis Royal, as well as increased siltation and heavy metal and pesticide contamination upstream due to lack of regular river/tidal flushing. There have also been instances where large marine mammals such as whales have become trapped in the head pond after transiting the sluice gates during slack tide.

Damming a large arm of the Bay of Fundy would have significant effects, as yet inadequately understood, both within the dammed bay itself and in the surrounding regions. Intertidal habitats would be drastically affected and a facility would bring the bay closer to resonance, increasing tidal range over a very large area. One effect could be an increase in tidal range of 0.2 m (from approximately 1 m) for certain coastal sites in Maine, possibly leading to flooding.

There have been proposals in recent years for installing Aquanators, the underwater equivalent to wind turbines, which would not require any damming or blockading of parts of the bay but would instead generate electricity solely by being placed in areas of high water flow, such as at choke points or merely along the floor of any part of the bay which sees significant water movement.

Geology

Basal contact of a lava flow section of Fundy basin

The Bay of Fundy lies in a rift valley called the Fundy Basin; as the rift began to separate from mainland North America, volcanic activity occurred, forming volcanoes and flood basalts. These flood basalts poured out over the landscape, covering much of southern Nova Scotia. Sections of the flood basalts have been eroded away, but still form a basaltic mountain range known as North Mountain. As a result, much of the basin floor is made of tholeiitic basalts giving its brown colour. The rift valley eventually failed (see aulacogen) as the Mid-Atlantic Ridge continued to separate North America, Europe, and Africa.

Sub-basins

The upper part of the bay splits into Chignecto Bay in the northeast and the Minas Basin in the east. Chignecto Bay is further subdivided into Cumberland Basin and Shepody Bay and the extreme eastern portion of Minas Basin is called Cobequid Bay. Some of these upper reaches exhibit exposed red bay muds, for which the Bay of Fundy is noted (for their appearance and biological productivity).

Cape Chignecto defines Chignecto Bay whereas Cape Split defines the Minas Channel, leading to the Minas Basin.

Overlooking the Bay of Fundy in Nova Scotia.

The lower part of the bay is also home to four important sub-basins: Passamaquoddy Bay and Back Bay on the New Brunswick shore, Cobscook Bay on the Maine shore, and the Annapolis Basin on the Nova Scotia shore.

The bay is home to several islands, the largest of which is Grand Manan Island at the boundary with the Gulf of Maine. Other important islands on the north side of the bay include Campobello Island, Moose Island, and Deer Island in the Passamaquoddy Bay area. Brier Island and Long Island can be found on the south side of the bay while Isle Haute is in the upper bay off Cape Chignecto. Smaller islands and islets also exist in Passamaquoddy Bay, Back Bay, and Annapolis Basin. The Five Islands, in the Minas Basin, are particularly scenic.

Rivers

The bay receives the waters of several rivers, including:

The Bay of Fundy in early May.

New Brunswick

Nova Scotia

The Salmon River tidal bore 22 Oct 2009.

The bay's extreme tidal range causes several interesting phenomena in the various rivers which empty into it.

The Saint John River sees its flow reversed at high tide, causing a series of rapids at the famous Reversing Falls where the river empties into the bay, in a gorge in the middle of the city of Saint John.

Rivers in the upper Bay of Fundy have a smaller flow-rate than the Saint John, and a shallower slope. As a result, extensive mud flats are deposited throughout the tidal range of the rivers.

Another phenomenon which occurs in these rivers of the upper bay is a "tidal bore", whereby the river flow is completely reversed by the rising tide. One of the better examples of a tidal bore can be seen on the Shubenacadie River near the town of Truro and the village of Maitland, where local ecotourism operators offer the chance to experience rafting the bore upriver. Another good example of a tidal bore may be viewed on the Salmon River in the town of Truro. The once-famous tidal bores on the Petitcodiac and Avon rivers have been severely disrupted as a result of causeway construction in the 1960s-1970s which have caused excessive siltation.

Communities

The largest population centre on the bay is the New Brunswick city of Saint John.

Though up-river on the Petitcodiac, the city of Moncton is also frequently associated with the Bay of Fundy.

The New Brunswick towns of St. Andrews, Blacks Harbour, and Sackville as well as the Nova Scotia towns of Amherst, Parrsboro, Truro, Windsor, Wolfville, Annapolis Royal, and Digby are also on the bay.

Ports and shipping

The port of Saint John gives access to the pulp and paper industry and the Irving oil refinery. Hantsport, Nova Scotia, on the Avon River is also home to a pulp and paper mill and is the shipment point for raw gypsum exports to the United States. The ports of Bayside, New Brunswick, (near St. Andrews) and Eastport, Maine, are important local ports.

A result of shipping traffic has been the potential for increased collisions between ships and the North Atlantic Right Whale. In 2003, the Canadian Coast Guard adjusted shipping lanes crossing prime whale feeding areas at the entrance to the Bay of Fundy to lessen the risk of collision.

The bay is also traversed by several passenger and automobile ferry services:

The Bay of Fundy's ports and basins have a long shipping and shipbuilding history. Among other accomplishments, Fundy ports produced the fastest ship in the world, the ship Marco Polo; the largest wooden ship ever built in Canada, the ship William D. Lawrence; and the first female sea captain in the western world, Molly Kool of Alma, New Brunswick.

See also

References

  1. ^ "Canadian Encyclopedia". http://www.thecanadianencyclopedia.com/index.cfm?PgNm=TCE&Params=A1ARTA0003104.  
  2. ^ Slocum, Victor (1950). Capt. Joshua Slocum. New York: Sheridan House. pp. 27–28. ISBN 0-924486-52-X. http://books.google.com/books?id=VkvZjX4rP-cC&lpg=PP1&ots=eW-_2f5AtN&pg=PA27.  
  3. ^ "Description". Western Hemisphere Shorebird Reserve Network. http://www.whsrn.org/site-profile/bay-fundy. Retrieved 2008-02-18.  
  4. ^ "Limits of Oceans and Seas, 3rd edition". International Hydrographic Organization. 1953. http://www.iho.shom.fr/publicat/free/files/S23_1953.pdf. Retrieved 19 December 2009.  
  5. ^ "World's Highest Tides - Town of Parrsboro, Nova Scotia". http://www.town.parrsboro.ns.ca/worlds-highest-tides.html. Retrieved 2007-09-10.  
  6. ^ "Teaching & Learning about Canada". http://www.canadainfolink.ca/pqmap.htm. Retrieved 2007-09-26.  

External links

Coordinates: 45°00′N 65°48′W / 45°N 65.8°W / 45; -65.8


Travel guide

Up to date as of January 14, 2010

From Wikitravel

Contents

The Bay of Fundy, the southern coast of New Brunswick, is famous for the lowest tides in the world, as well as its seafood and historic coastal towns.

Get in

Driving will present the best opportunity to visit widely spaced attractions. A ride on the Trans-Canadian Highway through New Brunswick is not to be missed. You'll be happy to have seen attractions like the World's Largest Axe, the World's Longest Covered Bridge, and sunrise is gorgeous over the St. John river valley. Don't miss Magnetic Hill!

  • Hopewell Rocks, (Route 114 to Hopewell Cape, 47km southeast of Moncton, look for park signs), +1-877-734-3429 (, fax: +1-506-734-3357), [1]. 8am-8pm (Jun 22–Aug 16); 8am–6pm (Aug 17–Sep 2); 9am–5pm (Sep 2–Jun 21). This provincial park at Hopewell Cape is most likely what you are here for. The tide swings 14m (47') here, twice every 25 hours, and the park gives you the facilities and trails to explore it. For three hours before and after low tide, you can walk on the bay floor and look up at unique "flower pot" sandstone towers topped by trees. Be sure to check the low tide times [2][3], and aim to arrive one to three hours before the lowest tide. It is well worth planning your whole vacation to Eastern Canada around this time. Seeing the Hopewell Rocks at low tide is a deeply moving experience; it looks like something out of a Hollywood disaster movie. The ocean is literally not there. It looks like the apocalypse. Walking on the ocean floor is a unique, once in a lifetime experience, and it is not to be missed. $8/adult, discounts for children, students, seniors. (45.846948,-64.576263) edit
  • Check times of the tides so that you can see the Bay at both high and low tide.
  • World's Longest Covered Bridge in Hartland.
  • World's largest Axe in Nackawic.
  • Magnetic Hill in Moncton.
  • Potato Chip museum
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1911 encyclopedia

Up to date as of January 14, 2010

From LoveToKnow 1911

BAY OF FUNDY, an inlet of the North Atlantic, separating New Brunswick from Nova Scotia. It is 145 m. long and 48 m. wide at the mouth, but gradually narrows towards the head, where it divides into Chignecto Bay to the north, which subdivides into Shepody Bay and Cumberland Basin (the French Beaubassin), and Minas Channel, leading into Minas Basin, to the east and south. Off its western shore opens Passamaquoddy Bay, a magnificent sheet of deep water with good anchorage, receiving the waters of the St Croix river and forming part of the boundary between New Brunswick and the state of Maine. The Bay of Fundy is remarkable for the great rise and fall of the tide, which at the head of the bay has been known to reach 62 ft. In Passamaquoddy Bay the rise and fall is about 25 ft., which gradually increases toward the narrow upper reaches. At spring tides the water in the Bay of Fundy is 19 ft. higher than it is in Bay Verte, in Northumberland Strait, only 15 m. distant. Though the bay is deep, navigation is rendered dangerous by the violence and rapidity of the tide, and in summer by frequent fogs. At low tide, at such points as Moncton or Amherst, only an expanse of red mud can be seen, and the tide rushes in a bore or crest from 3 to 6 ft. in height. Large areas of fertile marshes are situated at the head of the bay, and the remains of a submerged forest show that the land has subsided in the latest geological period at least 40 ft. The bay receives the waters of the St Croix and St John rivers, and has numerous harbours, of which the chief are St Andrews (on Passamaquoddy Bay) and St John in New Brunswick, and Digby and Annapolis (on an inlet known as Annapolis Basin) in Nova Scotia. It was first explored by the Sieur de Monts (d. c. 1628) in 1604 and named by him La Baye Frangaise.


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