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What is a datum?

April 18, 2018

From NOAA A geodetic datum is an abstract coordinate system with a reference surface (such […]

What is seaweed?

April 4, 2018

From NOAA Some seaweeds are microscopic, such as the phytoplankton that live suspended in the […]

What is bathymetry?

March 23, 2018

From NOAA The term “bathymetry” originally referred to the ocean’s depth relative to sea level, […]

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