Water System

3. cycle the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.
6. warming a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
8. he science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere.
9. a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.
10. all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
11. the envelope of gases surrounding the earth or another planet.
13. an area or ridge of land that separates waters flowing to different rivers, basins, or seas.

1. a colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.
2. basin A drainage basin is any area of land where precipitation collects and drains off into a common outlet, such as into a river, bay, or other body of water.
4. change a change in global or regional climate patterns, in particular a change apparent from the mid to late 20th century onwards and attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.
5. the rigid outer part of the earth, consisting of the crust and upper mantle.
7. water held underground in the soil or in pores and crevices in rock.
12. the quality or degree of being saline.