Taudem Operations

On raster GIS menu.   Has not been tested recently; contact us with problems (or just use the command line)

Step Program Algorithm Input Output file name addition
Pit removal:     UTM DEM in Geotiff format ife
Flow directions   D8   sd8--D8 slope grid (slope measured as drop/distance)
p --  D8  flow direction
    Dinf   slp--  Dinf slope grid
ang-- Dinf  flow direction
Contributing area   D8   ad8
    Dinf   sca
Grid Network   D8   plen--longest upslope path
gord--Strahler order
tlen--total upstream parth length
Peuker Douglas:  upward curved grid cells, generally lacks connectivity and requires thinning       ss--stream source grid
Stream Definition by Threshhold        
Stream reach and watershed (Streamnet):     fel
ad8
p
src  needed
 
Topographic Wetness Index TWI      

Get TAUDEM, at http://hydrology.usu.edu/taudem/taudem5/index.html

Documentation: http://hydrology.usu.edu/taudem/taudem5/documentation.html


  • Last revision 8/21/2018