NASA Sea Level

Earth's seas are the greatest influence on global climate. From space we observe our vast oceans on a global scale and monitor critical changes.

Sea level rise is caused primarily by two factors related to global warming: the added water from melting land ice and the expansion of sea water as it warms. From space we observe our vast oceans on a global scale and monitor critical changes.

•Global sea levels have risen by 8 inches in the last 130 years.

•Sea level measurements help tell us about our changing climate because they are the sum

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Videos (show all)

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Website

http://www.nasa.gov/earth