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Section S S index 1091-1099 of 1376 terms
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stream hydrograph—A plot of stream discharge as a function of time.
stream network—(Also called drainage network.) The geomorphologic patterns of hierarchical connections formed by streams as they drain the watershed.
stream order— (Also called channel order.) The designation by a dimensionless integer series (1, 2, 3, . . .) of the relative position of stream segments in the network of a drainage basin, with 1 designating a stream with no tributaries.
stream piracy—The natural movement of groundwater from one river basin to another (sometimes distant) basin.
stream profile—Stream bed profile along the direction of flow.
stream segment—A portion of a stream defined either between its beginning and a confluence, or between two confluences.
stream tube—A region of space bounded by arbitrarily selected streamlines of a fluid.
stream—Body of water moving under the influence of gravity, to lower levels, in a well-defined natural channel.
streamer—1. A sinuous channel of very high ion density that propagates itself though a gas by continual establishment of an electron avalanche just ahead of its advancing tip. In lightning discharges, the stepped leader, dart leader, and return stroke all constitute special types of streamers. 2. See aurora. 3. A term used to describe a dropsonde observation when, because of either partial or complete parachute failure, the descent speed of the dropsonde exceeds 1500 feet per minute. 4. See snow trails.
streamflow routing—(Also called flood routing, storage routing.) In hydrology, a procedure used to derive a downstream hydrograph from an upstream hydrograph (and/or tributary hydrographs) and considerations of local inflow by solving the storage equation.
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