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• GEOS-Chem v9-01-01
  |Capability to run with [[MERRA|GMAO MERRA met fields]] :I've been having trouble running the v9-01-01 MERRA benchmark. All my attempts consistently halted at July 13 19:30.
  36 KB (5,768 words) - 15:06, 19 June 2019
• GEOS-Chem Newsletter Fall 2011
  #'''Matt Cooper''' (Dalhousie) has been working on regridding the MERRA met data to 2 x 2.5 degree resolution (see below). He has also begun repla ...ation#GEOS-5 vs. MERRA|differences in wet scavenging when using GEOS-5 vs. MERRA met fields]]. We invite you to view the [[Rn-Pb-Be simulation#Comparison p
  27 KB (4,206 words) - 14:06, 19 June 2019
• GEOS-Chem v10-01
  |[[#Additional fixes for MERRA wet deposition|Additional fixes for MERRA wet deposition]] ...meteorology|Add minor fixes to enable the CH4 simulation to be driven with MERRA meteorology]]
  99 KB (15,209 words) - 20:26, 20 September 2022
• GEOS-FP
  ...er GMAO met products such as [[GEOS-5#GEOS-5.2.0|GEOS-5.2.0]], [[MERRA|the MERRA reanalysis]], and [[GMAO GEOS-4|GEOS-4]]. ...nasa.gov/pubs/docs/tm28.pdf Evolution of the GEOS-5 system from GEOS-5.2.0/MERRA to GEOS-5.7.2 (aka "Fortuna")]
  27 KB (3,988 words) - 18:38, 28 May 2020
• Mineral dust aerosols
  ...year simulation with a comparable met field and resolution (e.g. using the MERRA-2 2x2.5 example above, you could run one year using GEOS-5 2x2.5). Offline dust emissions are now available for GEOS-Chem at native MERRA-2 (0.5° x 0.625°) and GEOS-FP (0.25° x 0.3125°) meteorology field resol
  50 KB (7,218 words) - 16:41, 16 November 2020
• GEOS-Chem Newsletter Summer 2011
  ...ly error trap for MERRA met fields|Only apply wetdep error trap when using MERRA met fields]] === MERRA data product ===
  20 KB (3,001 words) - 15:15, 19 June 2019
• GEOS-Chem 12
  *MERRA-2 meteorlogy (0.5°x0.625°, 1980-2017) *MERRA-2 meteorlogy (0.5°x0.625°, 1980-present)
  133 KB (18,781 words) - 21:13, 21 June 2021
• GEOS-Chem 13.0.0
  *Use [[MERRA-2]] meteorology instead of [[GEOS-FP]] |[[MERRA-2]]
  448 KB (58,579 words) - 18:10, 3 January 2023
• GEOS-Chem v9-01-02 benchmark history
  ...ral 1-year Rn-Pb-Be simulations to test the impact of the [[GEOS-5]] and [[MERRA]] met fields on the [[Wet deposition|wet scavenging algorithms]] used by GE ...Chem v9-01-02#Minor issues in MERRA cloud convection|Fixed minor issues in MERRA cloud convection routine <tt>DO_MERRA_CONVECTION</tt>]]
  68 KB (10,687 words) - 22:14, 19 June 2017
• GEOS-Chem Newsletter Spring 2012
  #*Addition of lightning scale factors for MERRA 2 x 2.5 met ''(GCST)'' ...s (identical to the vertical grids used by the [[GEOS-5|GEOS-5.2.0]] and [[MERRA]] met data products)
  20 KB (3,272 words) - 18:20, 20 May 2014
• GEOS-Chem Newsletter Winter 2012
  #Matt Cooper (Dalhousie) has been working on regridding the MERRA met data to 2&deg; x 2.5&deg; degree resolution (see below). He has also b #*Add scaling of lightning NOx for 2x2.5 MERRA simulations
  22 KB (3,410 words) - 18:27, 8 December 2016
• Bugs and fixes in GEOS-Chem v9, v10, and v11
  ...for_MERRA-2_nested_grid_simulations|(v11-02f) Change default timesteps for MERRA-2 nested-grid simulations]] ...n#Bugs_in_MERRA_wet_deposition|Fixes for bugs in wet deposition when using MERRA meteorology]]
  33 KB (5,225 words) - 20:46, 2 January 2019
• GEOS-Chem projects using MERRA met data
  <span style="color:red">'''''NASA/GMAO ceased production of MERRA data in mid-2015.'''''</span> ...AO reanalysis product is [[MERRA-2]], which is based on GEOS-DAS v5.12.4. MERRA-2 will look very similar to the current [[GEOS-FP|GEOS-FP operational data
  1 KB (215 words) - 19:36, 9 February 2016
• Setting up GEOS-Chem nested grid simulations
  === 0.5x0.625 nested-grid simulations with GEOS-FP or MERRA-2 === Over Asia region? : T | Output AS BCs (for MERRA-2)
  32 KB (4,575 words) - 19:09, 17 August 2021
• Issues now resolved in GEOS-Chem 12
  === Missing scaling factors for MERRA-2 simulations with GCHP === ...A-2 pressure data is stored in Pa. As a result, any GCHP simulations using MERRA-2 will have weird behavior.
  70 KB (10,330 words) - 21:56, 20 December 2019
• GEOS-Chem v11-02 benchmark history
  ...S-FP.2FMERRA.2FMERRA-2_re-evaporation_calculation|Fix bug in GEOS-FP/MERRA/MERRA-2 re-evaporation calculation]] ...S-FP.2FMERRA.2FMERRA-2_re-evaporation_calculation|Fix bug in GEOS-FP/MERRA/MERRA-2 re-evaporation calculation]]
  158 KB (24,655 words) - 18:49, 28 May 2020
• GEOS-Chem v9-01-03 benchmark history
  ...p. forms]]<br> + [[Wet_deposition#Updates_for_MERRA_met_fields|Updates for MERRA met fields]]) ...p. forms]]<br> + [[Wet_deposition#Updates_for_MERRA_met_fields|Updates for MERRA met fields]])
  82 KB (12,907 words) - 20:59, 20 June 2017
• Air Quantity Updates for v11-01
  Relative humidity is externally input with MERRA, GEOS-5, and GEOS-fp. If using GEOS-4 or GCAP, relative humidity is calcula #if !defined( GEOS_5 ) && !defined( MERRA ) && !defined( GEOS_FP )
  44 KB (6,046 words) - 17:35, 6 December 2016
• Moisture Updates in v11-01
  Relative humidity is externally input with MERRA, GEOS-5, and GEOS-fp. If using GEOS-4 or GCAP, relative humidity is calcula #if !defined( GEOS_5 ) && !defined( MERRA ) && !defined( GEOS_FP )
  46 KB (6,421 words) - 16:08, 7 December 2016
• GEOS-Chem v9-01-03
  ...FLIS_redistribution_for_MERRA_2x2.5|Add scaling of lightning NOx for 2x2.5 MERRA simulations]] ...ng_NOx_201101 # Contains new lightning redistribution file for MERRA 2x2.5
  38 KB (5,526 words) - 15:22, 19 June 2019