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New submodule: HETP aerosol thermodynamics #408

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merged 7 commits into from
Apr 29, 2024

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lizziel
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@lizziel lizziel commented Apr 18, 2024

Name and Institution (Required)

Name: Lizzie Lundgren
Institution: Harvard University

Describe the update

This PR adds the ISOROPPIA II aerosol thermodynamics package with HETPv1.0 as a new git submodule. From the HETP README:

HETP is an aerosol thermodynamic equilibrium solver written in modern Fortran based on ISORROPIA II (which is written in FORTRAN 77). HETP solves only the 'forward' metastable state of the NH4+/Na+/Ca2+/K+/Mg2+/SO42–/NO3–/Cl–/H2O system. The main publication for HETP is avaiable online at: https://gmd.copernicus.org/preprints/gmd-2023-159/.

Note that this PR can be merged prior to updates in GEOS-Chem to use HETP without issue. However, it is required before the updates to GEOS-Chem in PR geoschem/geos-chem#2244.

This update makes a minor no-diff update to change the name of the HEMCO_GridComp folder to HEMCO. This avoids confusion about whether HEMCO is a gridded component (it is not).

Expected changes

Preliminary 1-month full chemistry benchmarks comparing ISORROPIA with HETPv1.0 in GEOS-Chem are posted here.

Reference(s)

See https://gmd.copernicus.org/articles/17/2197/2024/gmd-17-2197-2024-discussion.html

Related Github Issue(s)

lizziel added 3 commits April 16, 2024 14:42
Signed-off-by: Lizzie Lundgren <elundgren@seas.harvard.edu>
Signed-off-by: Lizzie Lundgren <elundgren@seas.harvard.edu>
Signed-off-by: Lizzie Lundgren <elundgren@seas.harvard.edu>
lizziel added 3 commits April 18, 2024 13:29
Signed-off-by: Lizzie Lundgren <elundgren@seas.harvard.edu>
This commit move the submodules used within GEOS-Chem to
within the GEOSChem_GridComp directory so they are alongside
GEOS-Chem.

Signed-off-by: Lizzie Lundgren <elundgren@seas.harvard.edu>
…ables

Signed-off-by: Lizzie Lundgren <elundgren@seas.harvard.edu>
@yantosca yantosca self-requested a review April 26, 2024 16:59
@yantosca yantosca self-assigned this Apr 26, 2024
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Thanks @lizziel. This is good to merge after PR geoschem/geos-chem#2244.

Signed-off-by: Lizzie Lundgren <elundgren@seas.harvard.edu>
@yantosca yantosca merged commit 9d35f08 into dev/14.4.0 Apr 29, 2024
@yantosca yantosca deleted the feature/hetp_aerosol_thermodynamics branch April 29, 2024 16:04
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2 participants