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Need to use NLDAS-2 netCDF-4 format data as LIS metforcing #1577

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dmocko opened this issue Jul 16, 2024 · 0 comments · Fixed by #1578
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Need to use NLDAS-2 netCDF-4 format data as LIS metforcing #1577

dmocko opened this issue Jul 16, 2024 · 0 comments · Fixed by #1578
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Documentation Update to documentation (User's Guide or within the code) enhancement New feature or request HighPriority metforcing

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dmocko commented Jul 16, 2024

Later on during summer 2024, the NLDAS-2 GRIB-1 data will no longer be updated daily and distributed by the NASA GES DISC.

Only the NLDAS-2 netCDF-4 format data will continue to be produced.

https://disc.gsfc.nasa.gov/information/alerts?title=NLDAS%20Version%20002%20(GRIB-1%20files)%20will%20no%20longer%20be%20updated%20on%20August%201,%202024

It's a high-priority to have a LIS metforcing reader that is able to use the NLDAS-2 netCDF-4 format data.

This new metforcing reader should have near-identical output to the current NLDAS-2 GRIB-1 metforcing reader.
@dmocko dmocko added enhancement New feature or request HighPriority Documentation Update to documentation (User's Guide or within the code) metforcing labels Jul 16, 2024
@dmocko dmocko self-assigned this Jul 16, 2024
dmocko added a commit to dmocko/LISF that referenced this issue Jul 16, 2024
@dmocko
Add NLDAS-2 netCDF-4 LIS metforcing reader
8dbee20 
This pull request adds the NLDAS-2 v020 netCDF-4 LIS metforcing
reader into the LIS code.

As the v002 GRIB-1 NLDAS-2 data and the v020 netCDF-4 NLDAS-2 data
are nearly identical (within round-off error) - the two metforcing
readers in LIS also produce nearly identical results.

Note that as part of this pull request, the "Met forcing sources:"
option for the NLDAS-2 v002 GRIB-1 data has changed from "NLDAS2"
to "NLDAS2 grib".  To use the new v020 netCDF-4 metforcing reader,
please use "NLDAS2 netcdf" for "Met forcing sources:".

Resolves: NASA-LIS#1577
@dmocko dmocko mentioned this issue Jul 16, 2024
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Add NLDAS-2 netCDF-4 LIS metforcing reader dmocko/LISF
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