The Tesla Society Image of the Day Tides are regular rises and falls in sea level, accompanied by horizontal flows of water, that are caused by gravitational interactions between the Moon, Sun, and Earth. They occur all over the world’s oceans but are most noticeable near coasts. The basic daily pattern of high and low tides is caused by the Moon’s influence on Earth. Variations in the range between high and low tides over a monthly cycle are caused by the combined influence of the Sun and Moon. IMAGE: Low tide at Bamburgh Beach Due to tides, large swaths of coast around the world are alternately covered and uncovered by the sea. This intertidal sandflat in Northumberland, England, has a tidal range averaging about 13 ft (4 m). Other tide-related phenomena include tide rips—turbulence caused by converging currents—and overfalls, defined as a tidal current flowing against the wind.
Posted on: Mon, 15 Sep 2014 12:26:10 +0000
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