Carbon Cycle Working Group
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All users interested in the GEOS-Chem carbon gas simulations (CO, CO2, CH4, etc.) are encouraged to subscribe to the carbon gases email list (click on the link in the contact information section below).
Contact information
| Carbon Cycle Working Group Co-Chairs |
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|---|---|
| Carbon Cycle Working Group email list | geos-chem-carbon [at] g.harvard.edu
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| To subscribe to email list | Either
Or:
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| To unsubscribe from email list | Either
Or
|
--Bob Y. (talk) 16:37, 21 August 2015 (UTC)
Current Carbon Cycle Projects (please add yours!)
| Simulation | User Group | Description | Contact Person | Date Added or Updated |
|---|---|---|---|---|
| Projects using CH4 simulations |
| |||
| Methane | Purdue University | Methane sources in Pan-Arctic region | Zeli Tan | 26 Nov 2012 |
| Methane | Harvard | Improved methane simulation; Updated emission inventories; Inverse modeling; OSSEs |
Jack Bruno Yang Li Xiao Lu Hannah Nesser Elise Penn Zhen Qu Tia Scarpelli Lu Shen Melissa Sulprizio Daniel Varon Jiawei Zhuang |
19 May 2020 |
| Methane | University of Minnesota | Methane sources in US Midwest | Dylan Millet | 8 May 2019 |
| Methane | University of Edinburgh | Ethane & Propane Trends as a Proxy for Methane | Doug Finch | 8 May 2019 |
| Methane | University of Edinburgh | Clumped Isotopes of Methane in GEOS-Chem | Alice Drinkwater | 8 May 2019 |
| Projects using CO and/or Tagged CO simulations | ||||
| Tagged CO | JPL | Using tagged CO simulations to interpret MLS observations | Jianjun Jin | 12 May 2011 |
| Tagged CO and full chemistry |
Duke | CO sources from biomass burning (NOTE: Cross-listed under full-chemistry) |
Prasad Kasibhatla | 15 Jun 2009 |
| Tagged CO | U. Toronto | Adjoint analysis of CO sources from MOPITT | Zhe Jiang | 09 Jun 2009 |
| Projects using CO2 simulations | ||||
| CO2 | Caltech | Source/sink estimation of CO2 using ground-based FTS observations | Janina Messerschmidt | 26 Sept 2011 |
| CO2 | UEA | CO2 flux inversions | ZhaoHui Chen | 1 Jul 2011 |
| CO2/Tagged CO | Smithsonian Astrophysical Observatory | Using CO/CO2 correlations for CO2 inverse modeling | Helen Wang | 12 May 2011
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| CO2 | Tsinghua U. | Nested grid simulation to interpret surface CO2 observations | Yuxuan Wang | 12 May 2011 |
| CO2 | Environment Canada | CO2 modeling and source/sink estimation | Ray Nassar | 11 Apr 2011 |
| CO2 | U. Edinburgh | CO2 simulation and surface flux estimation by using Ensemble Kalman Filter | Liang Feng | 18 Aug 2010 |
| CO2/CO Adjoint | JPL | CO2 and CO assimilation into the NASA Carbon Monitoring System Flux (CMS-Flux) project | Kevin Bowman | 28 Jun 2010 |
| CO2 | U. Toronto | Modeling CO2 and its sources and sinks with GEOS-Chem | Dylan Jones | 09 Jun 2009 |
| CO2 | IUP U. Bremen | Study the CO2 and OCS relationship using ground-based FTS observations and GEOS-Chem | Yuting Wang | 17 May 2014 |
| CO2/CH4/CO | U. Wollongong | Joint simulation and source/sink estimation based on remote sensing and in situ (fixed and moving platforms) measurements in Australia | Beata Bukosa | 13 April 2017 |
| CO2 | FSU | Arctic CO2 transport and surface fluxes | Chris Holmes Kelly Graham | May 2017 |
Recently Completed Projects (please add yours!)
| Simulation | User Group | Description | Contact Person | Publication |
|---|---|---|---|---|
| Tagged CO | Harvard | Adjoint analysis of CO sources from MOPITT/AIRS/SCIAMACHY | Monika Kopacz | Atmos. Chem. Phys., 10, 855-876, 2010. PDF |
--Bob Y. 15:40, 25 April 2014 (EDT)
Development Priorities
| Priority | Description | Status |
|---|---|---|
| Update biospheric CO2 fluxes | Currently based on CASA (neutral biosphere) output for one particular year and a climatology of net terrestrial exchange. Running with year-specific fluxes from the SiB3 biospheric model will be a new option. | Included in GEOS-Chem v10-01 |
| Update anthropogenic CO2 fluxes | Implement anthropogenic (fossil fuel combustion) CO2 emissions with higher temporal resolution and perhaps higher spatial resolution. | Included in GEOS-Chem v10-01 |
| Update ocean CO2 fluxes | Currently using Takahashi et al. (2009) which gives too weak of a global sink. Look into possibilities for scaling or improved ocean fluxes from another source. | Included in GEOS-Chem v10-01 |
| Tagged CO simulation | Improve treatment of secondary production of CO from VOC oxidation. Currently just scale emissions. Modify code to apply photochemical production rates archived from a full chemistry simulation. | Included in GEOS-Chem v11-02 |
| CO-CO2-CH4 simulation | Merge into a single offline simulation for the standard model. | In Development Beata Bukosa |
| Improved satellite diagnostic | Implement more flexible diagnostic for saving out XCO2 and other satellite-relevant parameters. |
--Melissa Payer 10:36, 10 June 2013 (EDT) --Updated by Ray Nassar 2015 April 14, 16:58 (EDT)
Recent updates
The following development items have recently been added to GEOS-Chem:
--Bob Yantosca (talk) 15:38, 23 February 2016 (UTC)
The following development items will soon be added to GEOS-Chem:
| Version | Released | Description | Contact |
|---|---|---|---|
| v11-01 | TBD 2016 | The FlexChem chemical solver will completely replace SMVGEAR. All full-chemistry simulations going forward will use FlexChem (which is based on the KPP solver package). | Mike Long (Harvard) GCST |
--Bob Yantosca (talk) 15:38, 23 February 2016 (UTC)