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MESH - A Community Hydrology - Land Surface Model


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The most recent version of Standalone MESH can be found on the Releases page. A program to run on Windows (64-bit) and source code to compile the program for other systems are available.

A set of samples files is available to test the program here (approx. 8.78 MB).

Running the Standalone MESH sample

To prepare the sample:

  • Download and extract the sample
  • Download and extract the MESH program
  • Copy the MESH program (e.g., sa_mesh_x86-64_static.exe) to the sample folder, which contains input files like MESH_input_run_options.ini, etc…

The folder should look something like this:

It is sometimes best to run MESH from inside Command Prompt (cmd.exe):

  • Open cmd.exe, either by searching the Start menu for "cmd"; or else you might find it here: Start menu > Accessories > Command Prompt
  • Change the current directory in cmd.exe to the sample folder by running this command (replace "\Path\do" with the true path to the folder): cd C:\Path\to\SA_MESH_sample_02BA003
    • If the folder is on a different drive than C:\, like D:\, change the drive by running: D:\
  • Run the program: sa_mesh_x86-64_static.exe

The process looks something like this:

And when it finishes:

MESH will write most of the output files to a folder named "BASINAVG1". It will stop with an error if the folder does not exist.

"BASINAVG1\MESH_output_streamflow.csv" contains the time-series of measured (QOMEAS1) versus simulated (QOSIM1) streamflow. The measured flow values are read from MESH_input_streamflow.txt.

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