GEOS-Chem chemistry mechanisms
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On this page, we provide an overview of the chemistry mechanisms used in GEOS-Chem.
Overview
NOx-Ox-hydrocarbon-aerosol chemistry
The standard NOx-Ox-hydrocarbon-aerosol (aka "full-chemistry") simulation has undergone several updates in recent GEOS-Chem versions. We
Mechanisms in GEOS-Chem v9-01-03 and prior versions
In GEOS-Chem v9-01-03, users could select from one of four pre-defined chemistry mechanisms:
| Mechanism | Description | Nickname | Solvers |
|---|---|---|---|
| standard |
|
Full-chemistry or fullchem | SMVGEAR, KPP |
| SOA |
|
SOA | SMVGEAR, KPP |
| Dicarbonyls |
|
Dicarbonyls | SMVGEAR only |
| isoprene |
|
Caltech isoprene scheme, Paulot isoprene scheme |
SMVGEAR, KPP |
Prior to the release of GEOS-Chem v9-01-03, several new bromine tracers and species were added to the standard mechanism.
--Bob Y. 16:56, 30 September 2013 (EDT)