Difference between revisions of "GEOS-Chem chemistry mechanisms"

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(Mechanisms in GEOS-Chem v9-01-03 and prior versions)
(Mechanisms in GEOS-Chem v9-01-03 and prior versions)
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The [[Bromine chemistry mechanism|bromine tracers and species]] were added to the standard mechanism just prior to the release of [[GEOS-Chem v9-01-03]].
  
Prior to the release of [[GEOS-Chem v9-01-03]], several new [[Bromine chemistry mechanism|bromine tracers and species]] were added to the standard mechanism.
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-[[User:Bmy|Bob Y.]] 17:00, 30 September 2013 (EDT)
 
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--[[User:Bmy|Bob Y.]] 16:56, 30 September 2013 (EDT)
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=== Mechanisms in GEOS-Chem v9-02 and later versions ===
 
=== Mechanisms in GEOS-Chem v9-02 and later versions ===

Revision as of 21:00, 30 September 2013

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
  • NOx-Ox-hydrocarbon-aerosol species
  • PLUS secondary organic aerosol species
SOA
  • SMVGEAR
  • KPP-
Dicarbonyls
  • NOx-Ox-hydrocarbon-aerosol species
  • PLUS dicarbonyl species
Dicarbonyls
  • SMVGEAR only
isoprene
  • NOx-Ox-hydrocarbon-aerosol species
  • PLUS isoprene oxidation products
Caltech isoprene scheme,
Paulot isoprene scheme
  • SMVGEAR
  • KPP

The bromine tracers and species were added to the standard mechanism just prior to the release of GEOS-Chem v9-01-03.

-Bob Y. 17:00, 30 September 2013 (EDT)

Mechanisms in GEOS-Chem v9-02 and later versions

Solvers