Mean low water (MLW) is the average height of all low waters at given place.

平均低水位(MLW)为给定地区所有低潮位的平均值。

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After being stuck in murky low-tide waters for most of the day, the Common Dolphin passed away Friday evening, according to Joanne Biegert of the Riverhead Foundation.

CNN: Rescuers: Dolphin stranded in polluted New York canal dies

Oysters grown in pristine northern waters, say Maine or Washington, have extremely low incidence of bacteria.

FORBES: A Giant Shucking Sound

The Navy disputes his assessment, saying this year's humpback whale season was normal, and more whales than ever before were seen in March 1998, when biologists studied humpbacks' response to the Navy's Low-Frequency Active Sonar (LFAS) equipment in Hawaiian waters.

CNN: waves