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Watersheds of North America are large drainage basins which drain to separate oceans, seas, gulfs, or endorheic basins. There are six generally recognized hydrological continental divides which divide the continent into seven principal drainage basins spanning three oceans ( Arctic , Atlantic and Pacific ) and one endorheic basin.
Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin.It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.
This point divides the eastern United States into three watersheds: those of the Genesee River flowing into Lake Ontario and then the St. Lawrence River to the north; Pine Creek into the Susquehanna River as part of the Atlantic seaboard watershed to the east; and the Allegheny River into the Ohio, the Mississippi, and the Gulf of Mexico to the ...
These areas can still be included in topographically defined basins if the hypothetical flow of water (or ice) over the surface of the ground (or ice sheet) is considered. For example, the Antarctic ice sheet can be divided into basins, [ 1 ] and most of Libya is included in the Mediterranean Sea basin even though almost no water from the ...
Other terms for a drainage basin are catchment area, catchment basin, drainage area, river basin, water basin, [3] [4] and impluvium. [5] [6] [7] In North America, they are commonly called a watershed, though in other English-speaking places, "watershed" is used only in its original sense, that of the drainage divide line.
The Mississippi River Delta was created from thousands of years of sand, clay and organic material being deposited by the Mississippi River into the northern parts of the Gulf of Mexico. The delta is home to massive amounts of wildlife, and attributed to the U.S. success as a superpower because of the economic development the delta has provided ...
A drainage divide, water divide, ridgeline, [1] watershed, water parting or height of land is elevated terrain that separates neighboring drainage basins. On rugged land, the divide lies along topographical ridges , and may be in the form of a single range of hills or mountains , known as a dividing range .
Map of the Great Basin. The Great Basin is the largest region of contiguous endorheic drainage basins in North America, and is encompassed by the Great Basin Divide.This is a list of the drainage basins in the Great Basin that are over 500 sq mi (1,300 km 2), listed by the state containing most of the basin.