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Update dust scale factors for Dust DEAD using meteorlogy friction velocity #2512

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Update dust scale factors for Dust DEAD using meteorlogy friction velocity #2512

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0e009dd
Update dust scale factors for MERRA-2 GEOS-FP and GEOS-IT
yuanjianz Oct 11, 2024
7a47b9a
Update CHANGELOG.md
yuanjianz Oct 24, 2024
dc34515
Add comment on GCAP2 scale factors
yuanjianz Oct 24, 2024
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3 changes: 3 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
@@ -1,3 +1,6 @@
### Added
- Added dust scale factors for MERRA-2, GEOS-IT, and GEOS-FP when using USTAR for Dust DEAD extension

# Changelog

This file documents all notable changes to the GEOS-Chem repository starting in version 14.0.0, including all GEOS-Chem Classic and GCHP run directory updates.
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15 changes: 8 additions & 7 deletions run/GCClassic/createRunDir.sh
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Expand Up @@ -658,6 +658,8 @@ fi
#-----------------------------------------------------------------

if [[ ${met} = "ModelE2.1" ]]; then
# Current scale factors are based on U10 and V10, while the latest implementation of DEAD is using USTAR
# May cause 10 times larger dust emissions than properly scaled
if [[ "$runid" == "E213f10aF40oQ40nudge" ]]; then
if [[ "$grid_res" == "4x5" ]]; then
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='0.00474046'\n"
Expand Down Expand Up @@ -685,20 +687,19 @@ if [[ ${met} = "ModelE2.1" ]]; then
fi
else
RUNDIR_VARS+="RUNDIR_GISS_RES='not_used'\n"
# Use GEOS-FP values as placeholders for GEOS-IT until parameters derived
if [[ "x${sim_name}" == "xfullchem" || "x${sim_name}" == "xaerosol" ]]; then
if [[ "x${met}" == "xgeosfp" && "x${grid_res}" == "x4x5" ]]; then
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='8.3286e-4'\n"
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='4.8632e-5'\n"
elif [[ "x${met}" == "xgeosfp" && "x${grid_res}" == "x2x25" ]]; then
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='5.0416e-4'\n"
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='3.8197e-5'\n"
elif [[ "x${met}" == "xmerra2" && "x${grid_res}" == "x4x5" ]]; then
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='7.8533e-4'\n"
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='5.6659e-5'\n"
elif [[ "x${met}" == "xmerra2" && "x${grid_res}" == "x2x25" ]]; then
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='4.7586e-4'\n"
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='4.5412e-5'\n"
elif [[ "x${met}" == "xgeosit" && "x${grid_res}" == "x4x5" ]]; then
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='8.3286e-4'\n"
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='3.8656e-5'\n"
elif [[ "x${met}" == "xgeosit" && "x${grid_res}" == "x2x25" ]]; then
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='5.0416e-4'\n"
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='3.1132e-5'\n"
else
RUNDIR_VARS+="RUNDIR_DUSTDEAD_TF='-999.0e0'\n"
fi
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