- Atlantic coastal plain
The Atlantic Coastal Plain is the flat stretch of land that borders the
Atlantic Ocean(including the Gulf of Mexico). It is approximately convert|2200|mi|km long, stretching from New Jersey, through the southeast United Statesand through Mexico, ending with the Yucatán Peninsula. The coastal plains have an average elevation of less than 200 meters above sea level. They extend some 50 to 100 kilometres inland from the ocean. The section from central Floridato the Yucatán Peninsulais also commonly referred to separately as the Gulf Coastal Plain.
The western border of the
coastal plainis defined as the fall line, to the west of which lies the Piedmont Plateau and then the Appalachian Mountains. The eastern border is the Western Atlantic coastline with the Continental Shelf farther east.
The coastal plain is generally wet, including many rivers,
marsh, and swampland. It is composed primarily of sedimentary rockand is primarily used for agriculture.
The Atlantic coastal plain covers parts of these states:
Wikimedia Foundation. 2010.