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| | Water Cycle Encyclopedia Article, Information, History and Biography @ HillCountryArtists.com (Site not responding. Last check: ) |
 | | The water cycle—technically known as the hydrologic cycle—is the circulation of water within the earth's hydrosphere, involving changes in the physical state of water between liquid, solid, and gas phases. |
 | | The hydrologic cycle refers to the continuous exchange of water between atmosphere, land, surface and subsurface waters, and organisms. |
 | | In addition to storage in various compartments (the ocean is one such "compartment"), the multiple cycles that make up the earth's water cycle involve five main physical actions: evaporation, precipitation, infiltration, runoff, and subsurface flow: |
| www.hillcountryartists.com /encyclopedia/Water_cycle (546 words) |
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