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- <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 data1 KB (215 words) - 19:36, 9 February 2016
- ...ERRA-2 uses the identical vertical grid as the [[GEOS-5#GEOS-5|GEOS-5]], [[MERRA]], and the "[[GEOS-FP]]" data products used by GEOS-Chem. ...uses a subset of the entire MERRA-2 data archive. On this page we list the MERRA-2 met fields that we archive for use with GEOS-Chem.22 KB (3,364 words) - 02:50, 9 July 2019
- ...s the [[GEOS-FP|GEOS-5 "forward processing" (what we call GEOS-FP)]] and [[MERRA]] met field product. #[http://gmao.gsfc.nasa.gov/pubs/docs/Bosilovich785.pdf MERRA-2 (v1.0) file specification document (25 Sept 2015)]25 KB (3,634 words) - 18:47, 28 May 2020
- ...[[GEOS-FP]]. Therefore, within GEOS-Chem we can (for the most part) treat MERRA-2 in the same way as we do for the GEOS_FP. For more information about MERRA-2, please see these resources:25 KB (3,861 words) - 18:49, 28 May 2020
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- ...[[GEOS-FP]]. Therefore, within GEOS-Chem we can (for the most part) treat MERRA-2 in the same way as we do for the GEOS_FP. For more information about MERRA-2, please see these resources:25 KB (3,861 words) - 18:49, 28 May 2020
- #The consistent [[MERRA-2]] reanalysis for 1979-present (0.5° x 0.625°, 72 levels). ...s older GEOS data sets including [[GMAO_GEOS-4|GEOS-4]], [[GEOS-5]], and [[MERRA]]. These are of inferior quality and GMAO does not want us to use them. Th30 KB (4,329 words) - 20:22, 20 September 2022
- ...or the most part) treat GEOS-FP in the same way as we do for the MERRA and MERRA-2. !width="200px"|[[MERRA-2]]34 KB (5,204 words) - 14:15, 15 May 2017
- ...s the [[GEOS-FP|GEOS-5 "forward processing" (what we call GEOS-FP)]] and [[MERRA]] met field product. #[http://gmao.gsfc.nasa.gov/pubs/docs/Bosilovich785.pdf MERRA-2 (v1.0) file specification document (25 Sept 2015)]25 KB (3,634 words) - 18:47, 28 May 2020
- ...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]]166 KB (26,088 words) - 18:43, 28 May 2020
- ...ERRA-2 uses the identical vertical grid as the [[GEOS-5#GEOS-5|GEOS-5]], [[MERRA]], and the "[[GEOS-FP]]" data products used by GEOS-Chem. ...uses a subset of the entire MERRA-2 data archive. On this page we list the MERRA-2 met fields that we archive for use with GEOS-Chem.22 KB (3,364 words) - 02:50, 9 July 2019
- ...0|GEOS-Chem 12.0.0]] and later versions only support the [[GEOS-FP]] and [[MERRA-2]] met field products from NASA/GMAO. All other met field products mentio #[[#Vertical grids for GEOS-5, GEOS-FP, MERRA, and MERRA-2|GEOS-5 / GEOS-FP / MERRA / MERRA2]]34 KB (3,049 words) - 15:03, 19 June 2019
- === Updates for MERRA met fields === ...tion scheme] which uses the precipitation fields directly from the [[MERRA|MERRA reanalysis product]].46 KB (7,334 words) - 20:14, 2 January 2019
- # Compatibility with [[MERRA]] met fields ''(GEOS-Chem Support Team)'' === MERRA reanalysis met fields ===14 KB (2,161 words) - 18:18, 8 December 2016
- ...n_into_GEOS-Chem|Initial modifications for running GEOS-Chem with the GMAO MERRA-2 reanalysis met field product]] ...A-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
- #[[MERRA]] met fields # Compatibility with [[MERRA]] met fields ''(GEOS-Chem Support Team)''15 KB (2,259 words) - 18:25, 8 December 2016
- == MERRA-2 == Below we list the [[MERRA-2]] met field files that have been reprocessed.10 KB (1,329 words) - 17:09, 11 August 2017
- # Capability to run with [[MERRA|GMAO MERRA met fields]] ''(R. Yantosca)'' ...s a common occurrence with the fine tropospheric resolution of GEOS-5 (and MERRA) that contains ~20 levels under 4km. GEOS-5 miscalculates the CTH 84% of th20 KB (3,183 words) - 14:05, 19 June 2019
- ...t_timestep_for_MERRA-2_nested_grid_simulations|Change default timestep for MERRA-2 nested grid simulations]] ...ort_for_GCAP.2C_GEOS-4.2C_MERRA.2C_GEOS-5|Remove support for GCAP, GEOS-4, MERRA, GEOS-5]]88 KB (13,616 words) - 21:07, 20 September 2022
- #[[List of MERRA met fields]] ...version is the first version of GEOS-Chem that is compatible with GMAO's [[MERRA]] met fields. It also contained many updates and fixes.20 KB (3,120 words) - 16:25, 28 March 2011
- |[[#Planeflight diagnostic update|Add MERRA SEAICExx fields to the planeflight diagnostic]] |[[#Archive the MERRA SWGDN field in the ND67 diagnostic|Archive the MERRA SWGDN (incident radiation @ sfc) field in the ND67 diagnostic]]43 KB (6,754 words) - 15:22, 19 June 2019
- # Compatibility with [[MERRA]] met fields ''(GEOS-Chem Support Team)'' ...shakedown testing of the convective scavenging algorithm for use with the MERRA meteorology. We hope to begin the 1-year benchmarking process after the Th12 KB (1,902 words) - 18:22, 8 December 2016
- === MERRA reanalysis met fields === ...process of modifying GEOS-Chem for use with the MERRA met field product. MERRA is a 30-year reanalysis done with GMAO's GEOS-5.2.0 GCM.12 KB (1,942 words) - 18:13, 8 December 2016
- # Compatibility with [[MERRA]] met fields ''(GEOS-Chem Support Team)'' ...ew wet scavenging and convective updraft scavenging algorithms for the new MERRA met data product in GEOS_Chem v9-01-01. The work is ongoing.13 KB (2,052 words) - 20:24, 28 May 2014
- ...when running with MERRA or GEOS-FP|Bug fix for MEGAN emissions when using MERRA or GEOS-FP]] |[[MERRA]]99 KB (14,884 words) - 20:45, 20 September 2022
- |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
- #'''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 p27 KB (4,206 words) - 14:06, 19 June 2019
- |[[#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
- ...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
- ...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 resol50 KB (7,218 words) - 16:41, 16 November 2020
- ...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
- *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
- *Use [[MERRA-2]] meteorology instead of [[GEOS-FP]] |[[MERRA-2]]448 KB (58,579 words) - 18:10, 3 January 2023
- ...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
- #*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
- #Matt Cooper (Dalhousie) has been working on regridding the MERRA met data to 2° x 2.5° degree resolution (see below). He has also b #*Add scaling of lightning NOx for 2x2.5 MERRA simulations22 KB (3,410 words) - 18:27, 8 December 2016
- ...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
- <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 data1 KB (215 words) - 19:36, 9 February 2016
- === 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
- === 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
- ...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
- ...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
- 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
- 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
- ...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 2x2.538 KB (5,526 words) - 15:22, 19 June 2019
- ===== Update DEAD dust emissions for nested simulations and MERRA (v9-01-01) ===== When the forward model was updated to support MERRA, the dust emissions got retuned [[MERRA_implementation_details#Dust_emissio31 KB (4,615 words) - 23:07, 3 July 2013
- ...Chem v10-01#Additional fixes for MERRA wet deposition|Additional fixes for MERRA wet deposition]] ...Chem v10-01#Additional fixes for MERRA wet deposition|Additional fixes for MERRA wet deposition]]154 KB (24,591 words) - 21:08, 20 September 2022
- ...It currently works with [[GCAP]] / [[GMAO GEOS-4|GEOS-4]] / [[GEOS-5]] / [[MERRA]]/ [[GEOS-FP]] simulations at all resolutions, for full chemistry, SOA, dic ...he "MERRA" GMI rerun (containing the Synoz bug fix in the GMI model) using MERRA met fields for 2004-2010.47 KB (6,806 words) - 16:46, 15 October 2019
- |[[MERRA-2]] |[[MERRA-2]]435 KB (56,731 words) - 18:47, 12 January 2023
- This is the native resolution of the [[MERRA-2]] reanalysis product from GMAO. This is the [[MERRA-2]] native resolution nested grid over China and SE Asia.28 KB (1,714 words) - 11:35, 28 June 2023
- ...only ever been tested on one type of met field (e.g. [[GEOS-5]] but not [[MERRA]] or [[GCAP]]). Hidden errors may later manifest themselves when someone t ...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]].18 KB (2,894 words) - 16:50, 8 December 2016
- #if defined( GEOS_5 ) || defined( MERRA ) ! was mis-lableled. Both GEOS-5 and MERRA SNOMAS field have14 KB (2,236 words) - 16:02, 16 November 2017
- ...n the GEOS GCM version 5.12.4. There are more than 30 years of assimilated MERRA-2 data available (~1980-present) for you to use with GEOS-Chem.''22 KB (2,950 words) - 15:03, 28 May 2020
- ....625_AS_nested_grid|0.5° x 0.625° Asia region]] ([[GEOS-FP]] and [[MERRA-2]]) ...ested_grid|0.5° x 0.625° North America region]] ([[GEOS-FP]] and [[MERRA-2]])11 KB (1,499 words) - 19:04, 13 July 2020
- |[[MERRA-2]] |[[MERRA-2]]605 KB (76,005 words) - 18:49, 3 January 2023
- |[[MERRA-2]] |[[MERRA-2]] 4° x 5°178 KB (22,566 words) - 17:24, 26 October 2022
- |[[MERRA-2]] |[[MERRA-2]]347 KB (45,155 words) - 19:50, 5 October 2023
- *Unify code for GEOS-FP and MERRA-2 meteorology by creating a new <tt>flexgrid_read_mod.F90</tt> ...meteorology fields currently supported are <tt>[[GEOS-FP]]</tt> and <tt>[[MERRA-2]]</tt>. As of implementation, an error check in <tt>GeosCore/input_mod.F<21 KB (2,963 words) - 05:45, 8 October 2023
- ...-hourly data) than older GMAO met products such as [[GEOS-5]], [[MERRA|the MERRA reanalysis]], and [[GMAO GEOS-4|GEOS-4]]. See GMAO's [https://gmao.gsfc.nas ...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")]25 KB (3,881 words) - 18:59, 13 February 2024
- *Fix missing scaling factors for MERRA-2 simulations with GCHP *MERRA-246 KB (5,503 words) - 16:29, 2 April 2024
- ...s (identical to the vertical grids used by the [[GEOS-5|GEOS-5.2.0]] and [[MERRA]] met data products) #'''Time resolution:''' Hourly and 3-hourly data (timestamps very similar to MERRA)18 KB (2,795 words) - 14:07, 19 June 2019
- |MERRA-2 |MERRA-27 KB (735 words) - 19:49, 29 July 2019
- ..._timestep_for_MERRA-2_nested_grid_simulations|Restore default timestep for MERRA-2 nested grid simulations to 10/20]]47 KB (6,910 words) - 19:14, 14 December 2022
- ...ling_factors_for_MERRA-2_simulations_with_GCHP|Missing scaling factors for MERRA-2 simulations with GCHP]] ...nvective_scavenging|Resolve very high tracer concentrations in GEOS-FP and MERRA convective scavenging]]41 KB (6,194 words) - 14:22, 22 March 2021
- |[[MERRA-2]] |[[MERRA-2]] 4° x 5°150 KB (19,810 words) - 18:18, 19 February 2022
- ...ch correspond to the native horizontal resolution of the [[GEOS-FP]] and [[MERRA-2]] meteorology fields used to drive GEOS-Chem. The offline emissions were ...t offline biogenic VOC 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 resol12 KB (1,541 words) - 14:50, 20 September 2022
- |[[MERRA-2]] |[[MERRA-2]]300 KB (39,420 words) - 15:55, 7 May 2024
- ..._when_running_with_MERRA_or_GEOS-FP|Bug fix for MEGAN emissions when using MERRA or GEOS-FP]]106 KB (16,718 words) - 19:15, 19 June 2017
- ...en_running_with_MERRA_or_GEOS-5.7.2|Bug fix for MEGAN emissions when using MERRA or GEOS-5.7.2 met]]15 KB (2,311 words) - 15:40, 19 June 2019
- ...racer restart file must use the native vertical resolution (72 layers in [[MERRA]], [[GEOS-5]] and [[GEOS-FP]]) and have the additional UCX tracers (total c34 KB (5,019 words) - 15:57, 17 May 2018
- |[[MERRA-2]]75 KB (9,610 words) - 22:49, 10 September 2021
- <span style="color:darkorange">'''''NOTE: [[GEOS-FP]] and [[MERRA-2]] met field files are in netCDF format, and can be read with a variety of41 KB (6,157 words) - 14:19, 19 July 2023
- ...surface air temperature<br>''For [[GMAO GEOS-4|GEOS-4]], [[GEOS-5]], and [[MERRA]], this is reall simulationsy the air temperature at 2 m altitude above the133 KB (18,925 words) - 19:57, 16 September 2022
- |[[MERRA-2]]69 KB (8,991 words) - 18:34, 24 January 2023
- ...the convection scheme that GEOS-Chem currently uses with [[GEOS-FP]] and [[MERRA-2]] meteorology. The source code for this scheme is located in routine <tt4 KB (662 words) - 20:46, 13 July 2023
- |[[MERRA-2]]83 KB (11,024 words) - 16:10, 5 October 2023
- ...rchive the total CO emissions for a given set of met fields (e.g. GEOS-FP, MERRA) and years. Then you can following the example of QFED ([[#The HEMCO_Confi13 KB (1,970 words) - 17:33, 24 October 2023
- ** MERRA and MERRA2 <i>in progress</i>54 KB (8,455 words) - 16:52, 29 February 2024
- |[https://github.com/geoschem/geos-chem/pull/1958 Don't allow user to create MERRA-2 0.25 x 0.3125 run directories for GCClassic]12 KB (1,569 words) - 16:24, 2 April 2024
- |Testing the use of monthly mean MERRA-2 CWC with Pb-210 aerosol tracer14 KB (2,006 words) - 16:35, 7 May 2024
- |[[MERRA-2]]80 KB (10,560 words) - 19:22, 7 May 2024
