why grand bank is ideal for fishing
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Grand Banks
Grand Banks The Grand Banks, part of Canada's continental shelf, lying southeast of the Island of Newfoundland, consist of several separate banks, foremost of which are Grand, Green and St Pierre; their area (for water depths shallower than 200 m) is 282 500 km2. Water depths over the banks are generally less than 100 m.
Grand Banks The Grand Banks, part of Canada's continental shelf, lying southeast of the Island of Newfoundland, consist of several separate banks, foremost of which are Grand, Green and St Pierre; their area (for water depths shallower than 200 m) is 282 500 km2. Water depths over the banks are generally less than 100 m.The water over the banks is mainly supplied by the southward-flowing cold LABRADOR CURRENT. This current splits as it approaches the Grand Banks, with one branch moving south along the coast of Newfoundland through Avalon Channel to St Pierre Bank. The major branch circulates clockwise around the Grand Bank, concentrated at its outer edge. Warm Gulf Stream waters are generally located south of the Grand Banks, but do on occasion move north onto the southern edge of the banks.
Grand Banks The Grand Banks, part of Canada's continental shelf, lying southeast of the Island of Newfoundland, consist of several separate banks, foremost of which are Grand, Green and St Pierre; their area (for water depths shallower than 200 m) is 282 500 km2. Water depths over the banks are generally less than 100 m.The water over the banks is mainly supplied by the southward-flowing cold LABRADOR CURRENT. This current splits as it approaches the Grand Banks, with one branch moving south along the coast of Newfoundland through Avalon Channel to St Pierre Bank. The major branch circulates clockwise around the Grand Bank, concentrated at its outer edge. Warm Gulf Stream waters are generally located south of the Grand Banks, but do on occasion move north onto the southern edge of the banks.Warm air masses moving from the Gulf Stream over the colder Labrador current water produce heavy FOG, especially in spring, when the air-sea temperature differences are greatest. ICEBERGS, carried along the edge of the banks by the Labrador current, are also most numerous in spring.
Answer:
The cold Labrador Current mixes with the warm waters of the Gulf Stream here, often causing extreme foggy conditions. The mixing of these waters and the shape of the ocean bottom lifts nutrients to the surface. These conditions helped to create one of the richest fishing grounds in the world.