29 lines
1.2 KiB
ReStructuredText
29 lines
1.2 KiB
ReStructuredText
.. include:: ../substitutions.rst
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.. _running-with-irrigation:
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===================================
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Running with irrigation
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===================================
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In CLM4.0 irrigation isn't an allowed option. In CLM4.5 irrigation can ONLY be used WITH crop. With CLM5.0 irrigation can be used whether crop is on or not -- **BUT** if crop is off, your surface datasets **HAVE** to have irrigation defined appropriately. Right now *ALL* surface datasets without crop enabled have irrigation hard-wired on. In order to create datasets with irrigation off, you'd need to make changes to ``mksurfdata_esmf`` in order to have all generic crops to be non-irrigated. To turn on irrigation in |version| we simply add "-irrig on" to ``CLM_BLDNML_OPTS``.
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Example: Irrigation Simulation
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------------------------------------------
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::
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# Note here we do a CLMSP simulation as that is what has been validated
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> cd scripts
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> ./create_newcase -case IRRIG -res f19_g17_gl4 -compset I1850Clm50BgcCrop
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> cd IRRIG
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# Append "-irrig on" to CLM_BLDNML_OPTS in env_run.xml (you could also use an editor)
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> ./xmlchange CLM_BLDNML_OPTS="-irrig on" -append
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> ./case.setup
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# Now build and run normally
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> ./case.build
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> ./case.submit
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