The TauDEM plug-in currently provides the following capability:
• Pit removal by flooding to ensure hydraulic connectivity within the watershed
• Computation of flow directions and slopes
• Contributing area using single and multiple flow direction methods
• Multiple methods for the delineation of channel networks including curvature-based methods sensitive to spatially variable drainage density
• Objective methods for determination of the channel network delineation threshold based on stream dropsStream ordering
• Delineation of watersheds and subwatersheds draining to each stream segment and association between watershed and segment attributes for setting up hydrologic models.
• Specialized functions for terrain analysis, including:
o Wetness index
o Distance to streams
o Downslope influence function to map locations downslope that may be influenced by activities in an area
o Upslope dependence function to map the locations upslope where activities have an effect on a downslope location
o Decaying accumulation that evaluates upslope contribution subject to decay or attenuation
o Concentration limited accumulation
o Transport limited accumulation
o Reverse accumulation