Open AccessSpatial Simulation of Snow Processes
Author(s) -
Anton Thomsen
Publication year - 1980
Publication title -
hydrology research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.665
H-Index - 48
eISSN - 2224-7955
pISSN - 1998-9563
DOI - 10.2166/nh.1980.0014
Subject(s) - snowmelt , snow , hydrograph , watershed , streamflow , environmental science , digital elevation model , terrain , hydrology (agriculture) , vegetation (pathology) , distributed element model , simulation modeling , remote sensing , geology , surface runoff , computer science , drainage basin , geomorphology , cartography , geotechnical engineering , machine learning , biology , quantum mechanics , ecology , economics , geography , pathology , physics , medicine , microeconomics
A spatially distributed model for the simulation of snow accumulation and melt is presented. Watershed information on topography, vegetation and soils in digital terrain models (overlays) serve as the data base for watershed analysis, classification of snow in Landsat imagery and automatic generation of parameter decks for operating distributed simulation models of snowcover dynamics and streamflow generation. Snow processes are simulated within variable size grid-cell elements. The hydrograph resulting from spring snowmelt is simulated by a lateral flow model of streamflow generation driven by simulated snowmelt and rain inputs. Options are avilable for simulating the effects of forest management alternatives on selected areas. Snow course measurements and classified Landsat imagery are used for updating simulated parameters.
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