Chesapeake Bay Oxygen Levels Fall in July - WBOC-TV 16, Delmarvas News Leader, FOX 21 -

Chesapeake Bay Oxygen Levels Fall in July

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The Chesapeake Bay (Photo: WBOC) The Chesapeake Bay (Photo: WBOC)

BALTIMORE (AP)- The levels of dissolved oxygen within the Chesapeake Bay plummeted in July after a promising start to the summer.
Maryland environmental officials are blaming a recent heat wave for the decline since warm water holds less oxygen than cold water.
The Department of Natural Resources wrote in a statement that a lack of winds also prevented surface oxygen from mixing with bottom waters to increase the oxygen levels.
In late July, 1.65 cubic miles of water along the bottom of the bay contained little or no oxygen, more than an average of 1.29 cubic miles for late July.
Dissolved oxygen levels are vital for creatures such as blue crabs, striped bass and anchovies.

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