Adding scale_factor and add_offset for horiz_interp_and_extrap_tracer_record #960
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…netCDF inputs in horiz_interp_and_extrap_tracer_record
adcroft
reviewed
Jul 23, 2019
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Looks correct to me.
Testing at https://gitlab.gfdl.noaa.gov/ogrp/MOM6/pipelines/8520
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In MOM_horizontal_regridding.F90 when reading from NetCDF in subroutine horiz_interp_and_extrap_tracer_record we do not currently check for offset and scale factors. This adds the capability to read and use each factor, defaulting to 0 and 1 respectively if they are absent.
These adjustments are not applied to values that have the value of _FillValue.
Tested 1 case initializing temperature and salinity from a file that does not include these factors and got the same answers with this code change. Tested another case that does include these factors for the temperature and salinity files and now successfully initialize with the correct values.