Study: Low Oxygen in Eastern Long Island Sound

Long Island Sound, photo/Connecticut Fund for the Environment.
Long Island Sound, photo/Connecticut Fund for the Environment.

University of Connecticut researchers have found that even in the cleaner eastern end of Long Island Sound, oxygen levels in the most inland reaches of some coves and bays drops to suffocatingly low levels virtually every night in late summer, only to rebound when the sun comes up in the morning, according to an article in the New Haven Register.

UConn researchers sampling and mapping dozens of bays and coves around Long Island Sound believe that the only reason the wider eastern end of the sound doesn’t have a hypoxia problem like the western end does is because of the greater flushing effect of the Atlantic Ocean.

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New Haven Register

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