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topic_hydrology.1grass - Man Page

Topic: hydrology

r.basins.fillGenerates watershed subbasins raster map.
r.carveGenerates stream channels.
r.drainTraces a flow through an elevation model or cost surface on a raster map.
r.fill.dirFilters and generates a depressionless elevation map and a flow direction map from a given elevation raster map.
r.flowConstructs flowlines.
r.lakeFills lake at given point to given level.
r.pathTraces paths from starting points following input directions.
r.sim.sedimentSediment transport and erosion/deposition simulation using path sampling method (SIMWE).
r.sim.waterOverland flow hydrologic simulation using path sampling method (SIMWE).
r.solute.transportNumerical calculation program for transient, confined and unconfined solute transport in two dimensions
r.stream.extractPerforms stream network extraction.
r.terraflowPerforms flow computation for massive grids.
r.topidxCreates a topographic index (wetness index) raster map from an elevation raster map.
r.topmodelSimulates TOPMODEL which is a physically based hydrologic model.
r.uslekComputes USLE Soil Erodibility Factor (K).
r.uslerComputes USLE R factor, Rainfall erosivity index.
r.water.outletCreates watershed basins from a drainage direction map.
r.watershedCalculates hydrological parameters and RUSLE factors.
r3.flowComputes 3D flow lines and 3D flow accumulation.

See also the corresponding keyword hydrology for additional references.

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