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WaSiM (Richards)

Important: version 10.02.03 and higher provide netCDF support. That requires a few additional libraries (DLLs) to be installed on your system. Please download and install either the lib-package for 32-bit or the lib-package for 64-bit before using WaSiM on Windows and/or download and install the latest netCDF package from the internet. On Linux, you need to install a netCDF package as well (see development details for more information)

Actual release version (may still be unstable -> it is recommended to always use the latest patch, if one is provided!)

Version 10.05.03(2020-06-01) More »
Minute time step, time variable snow melt parameters and separate routing mode for WaSiM
  • With some small changes to the control file and an extra minute-column in all meteorologic input, the xplicit time step can now be as small as one minute. All output will also contain the new minute column, when the time step was smaller than one hour. Old setups are still compatible
  • snow melt methods using T-index or T-u-index approaches, can now be configured to use 12 monthly values for each parameter instead of one constant value
  • WaSiM undestands now a new command line option "-mode:routing". When this option (without quotes) is used, only the routing will run. Of course, the model must already have created the full output in a former run, with the runoff files containig the output for all sub-basins and the total basin.
    • and several bug fixes (see details of model development)
-> older versions More »

Patched versions (stable version only are listed here)

Version 10.04.07 (2019-11-16) More »
  • netCDF under Linux can now create valid file names for temporary files (no longer using $ in file names)
  • soil temperature stack is correctly initialized when temperature stack is read in (and not re-initialized in first time step)
  • lake abstractions are generated smoother for smaller lakes
  • performance optimization for Windows with openMP: reduction of maxerror in [groundwater_flow] and [surface_routing] are dramatcially accelerated for certain configuration
  • storage-file: when using runningAvg for lake abstraction rules, the values are now written and read from corresponding places
  • SE-effectiveness does now work (again) cofrrectly (without layered snow model, the soil water movement was not affected at all by temperature)
  • when using re-infiltration (with or without MPI) and layered snow model with more snow layers than soil layers, WaSiM crashed. This is fixed now
  • and several bug fixes (see details of model development)
-> older versions More »

Test data set

sample data set (WaSiM input data) More »
contains grids and time series for one year
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new release availabe:
WaSiM 10.05.03 -> More »