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TopoFlow is a 2D spatially-distributed hydrologic model that simulates physical processes in a watershed to predict how various hydrological variables evolve: snowmelt, precipitation, evapotranspiration, infiltration, channel/overland flow, shallow subsurface flow and flow diversions. It allows investigation of hydrological responses to climatic forcings. Time evolution for single pixels (like hydrographs), sets of user-selected pixels, or entire grids (as animations) are all supported as output options. TopoFlow 3.0 is developed by Scott Peckham and became available in 2010 as a set of over 20 plug and play components that can be used with the CSDMS Modeling Tool (CMT). The components, can be either run as standalone or linked, and have successfully been linked to other models like a valley glacier model, GC2D. More...

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