Ch. 11 Terms

Ch 11 Terms - NR 130 Key Terms Chapter 11 Hydrologic cycle or the water cycle describes the constant circulation of water among the four spheres

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NR 130 Key Terms Chapter 11 Hydrologic cycle: or the water cycle, describes the constant circulation of water among the four spheres: hydrosphere(or watery part of the planet), the geosphere (land), the biosphere, and the atmosphere Runoff: surface water flowing to the sea in streams and rivers; eventually flows to oceans Ground water: water that seeps into the ground-the geosphere-to become part of the vast, subterranean reservoir Transpiration: water that evaporates directly from plants as they breathe (remainder of water evaporating back into atmostphere) Stream: all water flowing in a channel, regardless of the stream’s size Tributaries: smaller streams that feed into rivers Gradient: the steepness of a stream Discharge: the amount of water flowing down a stream Channel characteristics: refer to the shape and roughness of a stream channel Bed: floor of a channel Banks: sides of the channel Competence: a measure of the largest particle a stream can carry
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This note was uploaded on 03/30/2008 for the course NR 130 taught by Professor Theodorechamberlain during the Spring '07 term at Colorado State.

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