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- !Chemistry mechanism ...dates_by_Chris_Holmes_and_Geert_Vinken_.28July_2014.29|Updates to ship NOx chemistry]]154 KB (24,591 words) - 21:08, 20 September 2022
- == 1-year full-chemistry benchmarks == ...-Chem_v11-02#Fix_for_organic_nitrate_chemistry|Add fix for organic nitrate chemistry]]158 KB (24,655 words) - 18:49, 28 May 2020
- This version contains additional fixes for bugs and technical issues discovered after the release of 12.9.2. This version contains additional fixes for bugs and technical issues discovered during the 12.9.0 benchmarking process.133 KB (18,781 words) - 21:13, 21 June 2021
- == 1-year full-chemistry benchmarks == *[[UCX chemistry mechanism]]166 KB (26,088 words) - 18:43, 28 May 2020
- !colspan="4" bgcolor="#CCFFFF"|Features affecting the full-chemistry simulation: !colspan="4" bgcolor="#CCFFFF"|Features NOT affecting the full-chemistry simulation:88 KB (13,616 words) - 21:07, 20 September 2022
- #Technical issues with the GEOS-Chem code or data #Other issues (i.e. problems downloading or installing the code and/or required libraries99 KB (15,209 words) - 20:26, 20 September 2022
- On this page we list information about the stratospheric chemistry mechanism in GEOS-Chem. ...lementation into [[GEOS-Chem v9-01-03]] to complement the linearized ozone chemistry afforded by [[Linoz_stratospheric_ozone_chemistry|Linoz]].47 KB (6,806 words) - 16:46, 15 October 2019
- !Stratospheric chemistry mechanism ...ospheric chemistry#Original implementation|Simple linearized stratospheric chemistry scheme]]82 KB (12,907 words) - 20:59, 20 June 2017
- !Tropospheric chemistry mechanism !Tropospheric chemistry mechanism106 KB (16,718 words) - 19:15, 19 June 2017
- On this page we list the GEOS-Chem specific bugs and issues (and their fixes) that were reported in GEOS-Chem versions 12.0.0 through 1 == Issues resolved in GEOS-Chem 12.5.0 ==41 KB (6,194 words) - 14:22, 22 March 2021
- #Technical issues with the GEOS-Chem code or data #Other issues (i.e. problems downloading or installing the code and/or required libraries99 KB (14,884 words) - 20:45, 20 September 2022
- The gas-phase chemistry follows Sherwen et al [2016b], with updates made to the heterogenous code t ...chlorine chemistry is from UCX [Eastham et al 2014]. Tropospheric chlorine chemistry follows that described in Eastham et al [2014] and Schmidt et al [2016], wi21 KB (3,286 words) - 16:51, 15 July 2019
- ...ernoon_P.28O3.29_and_L.28O3.29|Bug fix for archiving P(Ox)/L(Ox) from full-chemistry simulations via the ND20 diagnostic]] *Full integration of MERRA-2 in GEOS-Chem (i.e. making "full-chemistry" simulations compatible with MERRA-2) will take longer.95 KB (13,968 words) - 21:57, 20 December 2019
- On this page we document bugs and technical issues that were fixed in GEOS-Chem versions v9, v10, and v11. == Issues resolved in GEOS-Chem v11-02 ==33 KB (5,225 words) - 20:46, 2 January 2019
- On this page you can find information on GEOS-Chem's tropospheric chemistry mechanism (formerly referred to as "NOx-Ox-HC-aerosol-Br"). == Recent chemistry updates ==15 KB (2,305 words) - 20:53, 20 September 2022
- ...UCX combines both tropospheric and stratospheric reactions into a single chemistry mechanism. It was developed by Sebastian Eastham, Debra Weisenstein, and S ...he original UCX implementation. For more information, see our [[GEOS-Chem chemistry mechanisms]] wiki page.'''''</span>34 KB (5,019 words) - 15:57, 17 May 2018
- !colspan="4" bgcolor="#CCFFFF"|Updates that will affect full-chemistry benchmark simulations |Chemistry150 KB (19,810 words) - 18:18, 19 February 2022
- ...roduced FAST-JX v7.0 into [[GEOS-Chem v10-01]] concurrently with the [[UCX chemistry mechanism]]. FAST-JX v7.0 replaces the older [[FAST-J photolysis mechanism Sebastian Eastham incorporated Fast-JX v7.0a into the [[UCX chemistry mechanism|GEOS-Chem UCX mechanism]]. From [http://www.sciencedirect.com/sci59 KB (8,891 words) - 18:49, 11 February 2023
- ...ratosphere, '''Anthro Emiss''', Biogenic Emiss, Biomass Emiss, Photolysis, Chemistry, Diagnostics, Other (please specify): ...Stratosphere, Anthro Emiss, Biogenic Emiss, Biomass Emiss, Photolysis, '''Chemistry''', Diagnostics, Other (please specify):68 KB (10,687 words) - 22:14, 19 June 2017
- *[[GEOS-Chem_14.3.0#1-year_full-chemistry_benchmarks|1-year full-chemistry benchmarks]] * Various fixes for bug and technical issues46 KB (5,503 words) - 16:29, 2 April 2024
- ...CO3.2C_GLPAN_bug_in_standard_mechanism|Fix for GLCO3/GLPAN bug in standard chemistry mechanism]] |[[Acetone|Updated acetone chemistry (ocean source & sink)]]38 KB (5,526 words) - 15:22, 19 June 2019
- ...2.0.0|GEOS-Chem 12.0.0]] through [[GEOS-Chem 12#12.5.0|GEOS-Chem 12.5.0]]. Issues resolved after GEOS-Chem 12.5.0 are listed as '''Closed''' on the following *[https://github.com/geoschem/geos-chem/issues GEOS-Chem issues]70 KB (10,330 words) - 21:56, 20 December 2019
- !colspan="4" bgcolor="#CCFFFF"|Updates that will affect full-chemistry benchmark simulations |[https://github.com/geoschem/geos-chem/pull/1054 Migrate sulfate chemistry into KPP]178 KB (22,566 words) - 17:24, 26 October 2022
- |Co-Chair, [[Chemistry-Climate Working Group]] |Co-Chair, [[Chemistry Issues|Oxidants and Chemistry Working Group]]20 KB (3,001 words) - 15:15, 19 June 2019
- !colspan="3" bgcolor="#CCFFFF"|Updates that will affect full-chemistry simulations |[https://github.com/geoschem/geos-chem/issues/447 Update to CEDS_GBD-MAPS emission inventory (1970 - 2017)], including:448 KB (58,579 words) - 18:10, 3 January 2023
- |[[#Post-release patches|Several post-release patches]] to fix issues that were identified after the initial release of v9-01-01. GEOS_1x1/volcano_SO2_201010 # Global full-chemistry simulations36 KB (5,768 words) - 15:06, 19 June 2019
- On this page, we list all bugs and technical issues that were discovered and fixed prior to GEOS-Chem versions 7 and 8. Many o == Issues resolved in GEOS-Chem v8-03-02 ==9 KB (1,581 words) - 20:46, 2 January 2019
- # Updated acetone chemistry algorithm (Emily Fischer, Harvard) # Stratospheric chemistry via archived production/loss rates (Lee Murray, Harvard)18 KB (2,795 words) - 14:07, 19 June 2019
- |[[#Fixes for minor issues affecting nested-grid simulations|Fixes for minor issues affecting nested-grid simulations]] |[[#Fixed minor issues in MERRA cloud convection routine|Fixed minor issues in MERRA cloud convection routine]]43 KB (6,754 words) - 15:22, 19 June 2019
- ...ey to the GEOS-Chem Steering Committee! They are the co-chairs of the new Chemistry-Climate Working Group. === Climate-Chemistry Working Group ===20 KB (3,120 words) - 16:25, 28 March 2011
- ...(photolysis, heterogeneous, deposition) are encouraged to subscribe to the chemistry email list (click on the link in the [[#Contact information|contact informa !width="300px" bgcolor="#CCCCCC"|Oxidants and Chemistry Working Group Co-Chairs6 KB (844 words) - 19:19, 15 April 2024
- <span style="color:green">'''''This page is for documentation of the isoprene chemistry mechanism (cf. Fabien Paulot) included in [[GEOS-Chem v9-02]]. This update This chemistry is largely base on Paulot et al.(2009a, ACP) for high-NOx regime and Paulot52 KB (7,571 words) - 15:30, 5 December 2016
- === Updates to Chemistry === ==== Nighttime chemistry ====21 KB (3,022 words) - 14:58, 25 September 2017
- To address these issues, subroutines ITS_A_NEW_MONTH and ITS_A_NEW_YEAR have been updated in <tt>ti ==== Update stratospheric chemistry and prod/loss rates (adj32_025) ====31 KB (4,615 words) - 23:07, 3 July 2013
- # [[New isoprene scheme|Option to use Caltech isoprene chemistry]] ''(F. Paulot)'' == Previous issues now resolved in v8-03-01 ==28 KB (4,078 words) - 15:45, 19 June 2019
- == 1-year full-chemistry benchmarks == *Correct issues when specifying [[DICE-Africa anthropogenic emissions inventory|DICE-Africa47 KB (6,910 words) - 19:14, 14 December 2022
- ...y 15, 2012 at 10:00 AM ET'''. Please set your calendars. If you have any issues that you would like the Steering Committee to address, please contact your ...r research assistant to join the GEOS-Chem Support Team in the Atmospheric Chemistry Modeling Group at Harvard (http://acmg.seas.harvard.edu and http://geos-ch27 KB (4,206 words) - 14:06, 19 June 2019
- !colspan="4" bgcolor="#CCFFFF"|Updates that will affect full-chemistry benchmark simulations |Chemistry83 KB (11,024 words) - 16:10, 5 October 2023
- #[[GEOS-Chem_v9-02_benchmark_history#v9-02e|v9-02f]]: Chemistry Updates #1: #*Inorganic chemistry updates15 KB (2,311 words) - 15:40, 19 June 2019
- On this page we list information about the Linoz stratospheric ozone chemistry mechanism. The Linoz stratospheric ozone chemistry package is a linearized chemistry mechanism for the stratosphere. It is designed to replace the older Synoz10 KB (1,641 words) - 18:55, 16 August 2018
- ==== Modifications for the full-chemistry simulations ==== ...try simulations"]] (i.e. those using the benchmark, UCX, SOA, and tropchem chemistry mechanisms) use emissions (e.g. lightning, dust) that have scale factors th25 KB (3,861 words) - 18:49, 28 May 2020
- ...collection|described HERE]]) are required for photolysis and heterogeneous chemistry. The 7 MDUST types also have distinct optical properties in the FAST-JX in === Surface chemistry on dust ===50 KB (7,218 words) - 16:41, 16 November 2020
- ...ple, saving boundary condition output from a 4° x 5° standard full chemistry simulation will take much less time than from a 2° x 2.5° simulatio ...on output. These specialty simulations run much faster than then the full-chemistry simulations, and carry less species, thus resulting in more manageable file32 KB (4,575 words) - 19:09, 17 August 2021
- ...hem v11-02d]] as part of the updated [[Halogen_chemistry_mechanism|halogen chemistry mechanism]]. ...rella added bromine chemistry as an extension to the standard model's full chemistry simulation in [[GEOS-Chem v8-03-01]]. We have now brought Justin's updates12 KB (2,004 words) - 09:35, 19 April 2018
- ...use issues. Please see [[Known_issues_caused_by_compiler_bugs|our ''Known issues caused by compiler bugs'' wiki page]] more information. ...in the output, as was [[ISORROPIA II#Optimization and.2For parallelization issues in ISORROPIA_II|seen in ISORROPIA II]].55 KB (8,425 words) - 17:57, 24 October 2023
- ...globchem.dat with " MVK=DRYDEP+DRYMVK", because drydep here is done out of chemistry step. But you need to modify that for full mixing scheme, which is using c :Jaeglé, L., Shah, V.,et al., ''Nitrogen oxides emissions, chemistry, deposition, and export over the Northeast United States during the WINTER40 KB (5,780 words) - 14:58, 18 October 2019
- ...GEOS-Chem processed emissions from ship exhaust. We have corrected these issues in v9-01-01. For more information, please see: We fixed several other minor issues in GEOS-Chem v9-01-01. For a complete list, please see [[GEOS-Chem_v9-01-020 KB (3,183 words) - 14:05, 19 June 2019
- #[[Linoz stratospheric ozone chemistry|LINOZ stratospheric ozone chemistry]] ''(Dylan Jones group @ U. Toronto)'' ...w linoz code from v8-02-04 and used it in v8-02-01. I ran two GEOS-5 full chemistry simulations for 2007 and the output were consistent over the full year.33 KB (4,899 words) - 17:46, 15 November 2017
- ...arameters included for a number of compounds not presently in the standard chemistry scheme - for use in specialized simulations and/or future inclusion in sta ...are small (< 2ppb for P > 800hPa) using the standard v9-1-3 (non-Caltech) chemistry scheme.</blockquote>33 KB (4,994 words) - 16:44, 15 October 2019
- # Compatibility for [[GEOS-5 issues|GEOS-5]] met fields. # Implements [[Floating point math issues|floating point error traps]] (e.g. to prevent division by zero) in a few cr13 KB (1,925 words) - 18:05, 20 June 2017
