The term "eustatic" refers to the global sea level. This is opposed to the isostatic sea level, which is a local measurement that is often a result of tides. Eustatic sea level changes are global, and they are often the ... More »

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Tidal waves are caused by the gravitational fields of the sun, the moon and the earth. A tidal wave is a small, regularly occurring wave caused by the shifting of the tide. More »

When glaciers melt, the sea level rises as more water is added to the oceans. Due to global warming, the world's glaciers have been melting at an accelerated rate for around 50 years. More »

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Large bodies of water take longer to warm or cool than the land does, so coastal regions generally see lower temperatures during the summer and warmer temperatures during the winter than areas that are further inland. Wh... More »

A sea cave, also called a littoral cave, begins as a small crack or weak spot in a cliff beside the sea. Ocean waves – salty water full of gravel and sand pound against this spot for centuries, slowly enlarging it and ho... More »

Encyclopædia Britannica states that many pieces of evidence support the sea floor spreading theory of plate tectonics, including increased heat flow along mid-ocean ridges, geomagnetic anomalies near ocean ridges, thickn... More »

"Clinal variation" is a term used in anthropology. It refers to a scientific model that attempts to describe patterns of human biological variation around the world. More »