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Parameter Tree: EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > SURFACE WATER > SURFACE WATER FEATURES > RIVERS/STREAMS Definition: River: A large, natural freshwater surface stream having a permanent seasonal flow and moving toward a sea, lake, or another river in a definite channel. Stream: A body of running water moving under the influence of gravity to lower levels in a narrow, clearly defined natural channel. Reference: Dictionary of Earth Science, 5th ed. 1997. Sybil Parker, ed. in chief. McGraw-Hill. |
