Tide gauge

A tide gauge (also known as mareograph or marigraph) is a device for measuring the change in sea level relative to a datum.

Sensors continuously record the height of the water level with respect to a height reference surface close to the geoid. Water enters the device by the bottom pipe (far end of the tube, see picture), and electronic sensors measure its height and send the data to a tiny computer.

单词	Tide gauge
释义	Tide gauge 原声例句 PBS访谈环境系列 Yesterday, for example, there were floods at at least eight tide gauges around the United States. 例如，昨天在美国，至少有八个潮汐测量仪监测到了洪水。英语百科 Tide gauge A tide gauge (also known as mareograph or marigraph) is a device for measuring the change in sea level relative to a datum. Sensors continuously record the height of the water level with respect to a height reference surface close to the geoid. Water enters the device by the bottom pipe (far end of the tube, see picture), and electronic sensors measure its height and send the data to a tiny computer.
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