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Divide & Conquer by Abigail Roux6/5/2023 ![]() ![]() For example, the Continental Divide of the Americas, or the Great Divide, runs through much of North and South America. Some continental divides span multiple continents. Scientists have not yet agreed on a specific number because the exact border between ocean basins is not universally accepted. ![]() For example, North America has between three and five divides. Continents that are bordered by more than two bodies of water may have more than one continental divide. ![]() This means that rivers and streams that flow into Lake Chad, on the edge of the Sahara, have no outlet to either the Mediterranean Sea or the Atlantic or Indian Oceans.Ĭontinental divides are found on every continent. Much of the Sahara Desert in Africa, for example, is an endorheic basin. Endorheic basins, which do not connect to an ocean or other large body of water, usually occur in desert areas. In some cases, water runs toward an endorheic basin, such as a saline lake or salt flat. Generally, precipitation that falls on one side of the divide will flow to one basin and precipitation that falls on the other side will flow to another basin. Drainage divides, regardless of scale, occur in raised terrain such as mountain ranges or hills. Divides are boundaries that separate drainage basins or watersheds of all sizes. Each river system feeds into a distinct ocean basin, bay, or sea.Ĭontinental divides are broad, continent-wide example of drainage divides, sometimes just called divides. A continental divide is a naturally occurring boundary or ridge separating a continent’s river systems. ![]()
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