pump

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王届

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Nov 21, 2025, 7:38:01 AM (9 days ago) Nov 21

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Hello everyone,
I’m having an issue with configuring a pumping well in SWAT+ GWFlow, and I would greatly appreciate any help.

I added the pumping well information at the end of the gwflow.input file, and I also enabled the external pumping option by setting external_pumping = 1 at the top of the file. However, when I run the model, the pumping well is not recognized in the output. There is no message indicating that the pumping information was read, and the groundwater head results and water balance files show no effect from the pumping.

I have already checked the following:

The pumping block follows the required structure:

2 Pump 1 48609 1 1 730 2400 Pump 2 49200 2 1 365 2400 366 730 1500

Despite these checks, the model still does not read or simulate the pumping well.

Does anyone know what could be causing this issue or what additional settings I should verify to ensure GWFlow correctly recognizes the pumping well in the outputs?