Tide gauge
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Tidal_gauge_dsc06189.jpg
Tidal_gauge_dsc06189.jpg
This tidal gauge is ready to be installed underwater in a marina. The water enters the device by the bottom pipe (far end of the tube), and electronic sensors measure its height and record it to a tiny computer.
A tide gauge is a device for measuring sea level.
Tide gauges are used to measure tides and quantify the size of tsunamis.
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Recent_Sea_Level_Rise.png
Recent_Sea_Level_Rise.png
Observed sea level rise from a composite of 23 long-term tide guage records at geologically stable sites.