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Lake Superior's deepest point [4] on the bathymetric map. [1] Lake Superior has a surface area of 31,700 square miles (82,103 km 2), [7] which is approximately the size of South Carolina or Austria. It has a maximum length of 350 statute miles (560 km; 300 nmi) and maximum breadth of 160 statute miles (257 km; 139 nmi). [8]
A seafloor map captured by NASA. Bathymetry (/ b ə ˈ θ ɪ m ə t r i /; from Ancient Greek βαθύς (bathús) 'deep' and μέτρον (métron) 'measure') [1] [2] is the study of underwater depth of ocean floors (seabed topography), lake floors, or river floors.
Therefore, mean depth figures are not available for many deep lakes in remote locations. [9] The average lake on Earth has the mean depth 41.8 meters (137.14 feet) [9] The Caspian Sea ranks much further down the list on mean depth, as it has a large continental shelf (significantly larger than the oceanic basin that contains its greatest depths).
Bathymetric charts showcase depth using a series of lines and points at equal intervals, called depth contours or isobaths (a type of contour line). A closed shape with increasingly smaller shapes inside of it can indicate an ocean trench or a seamount, or underwater mountain, depending on whether the depths increase or decrease going inward.
However, because it is also the deepest lake, [6] with a maximum depth of 1,642 metres (5,387 feet; 898 fathoms), [1] Lake Baikal is the world's largest freshwater lake by volume, containing 23,615.39 km 3 (5,670 cu mi) of water [1] or 22–23% of the world's fresh surface water, [7] [8] more than all of the North American Great Lakes combined. [9]
The lake's average depth is 47 fathoms 1 foot (283 ft; 86 m), with a maximum depth of 133 fathoms 4 feet (802 ft; 244 m) in the Rochester Basin. [ 6 ] [ 7 ] The lake's primary source is the Niagara River, draining Lake Erie, with the Saint Lawrence River serving as the outlet.
Lake Waccamaw has a broad, flat bottom of gyttja (mud) and peat, encircled by sandy shallows and submerged sandy terraces that extend up to 1,650 ft (500 m) offshore.The lake is oval in shape, measuring roughly 5.2 miles (8.4 km) by 3.5 miles (5.6 km), covering 8,938 acres (3,617 ha) surface area with an average depth of 7.5 feet (2.3 m) and a shoreline of about 14 miles (23 km).
Wazee Lake is a lake east of Black River Falls, Wisconsin, in the town of Brockway, Jackson County, Wisconsin, United States. [1] The name "Wazee" means "tall pine" in the Ho-Chunk language. The artificial lake is the deepest lake within the state of Wisconsin , with a maximum depth of approximately 355 feet (108 m).
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