Article
Article
Hydrosphere
Article By:
Hanor, Jeffrey S. Department of Geology, Louisiana State University, Baton Rouge, Louisiana.
Last reviewed:November 2019
DOI:https://doi.org/10.1036/1097-8542.330800
The water portion of the Earth as distinguished from the solid part and from the gaseous outer envelope (atmosphere). Approximately 74% of the Earth's surface is covered by water, in either the liquid or solid state. These waters, combined with minor contributions from groundwaters, constitute the hydrosphere.
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