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The Chesapeake Bay impact crater is a buried impact crater, located beneath the mouth of Chesapeake Bay, United States. It was formed by a bolide that struck the eastern shore of North America about 35.5 ± 0.3 million years ago, in the late Eocene epoch. It is one of the best-preserved "wet-target" impact craters in the world. [3]
The Chesapeake Bay (/ ˈ tʃ ɛ s ə p iː k / CHESS-ə-peek) is the largest estuary in the United States. The bay is located in the Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula, including parts of the Eastern Shore of Maryland, the Eastern Shore of Virginia, and the state of Delaware.
The watershed of the entire Chesapeake Bay covers 165,760 km 2 (approximately 64,000 mi 2 or 41 million acres [3] [4]). With an estuary water body area of only 11,600 km 2 (4,479 mi 2), [5] the land-to-water ratio is about 14:1. [6] Therefore, the rivers flowing into the Chesapeake Bay have a large influence on water quality in the estuary.
Jug Bay and Otter Point Creek were designated in 1990. The purpose of the 6,249 acres (25.29 km 2 ) Maryland Reserve, managed by the Maryland Department of Natural Resources, is to manage protected estuarine areas as natural field laboratories and to develop and implement a coordinated program of research, monitoring, education and volunteer ...
World map in equirectangular projection of the impact structures on the Earth Impact Database as of November 2017 ... Chesapeake Bay: ... Decorah crater:
The Mid Atlantic water resource region is one of 21 major geographic areas, or regions, in the first level of classification used by the United States Geological Survey to divide and sub-divide the United States into successively smaller hydrologic units. These geographic areas contain either the drainage area of a major river, or the combined ...
The term tidewater may be correctly applied to all portions of any area, including Virginia, where the water level is affected by the tides (more specifically, where the water level rises when the tide comes in). In the case of Virginia, the Tidewater region includes the land east of the Fall Line, the natural border with the Piedmont Region.
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