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- ...chem/issues/372 Fix run-time error when optional Luo wet deposition scheme is turned on] ...Skip reading FLASH_DENS and CONV_DEPTH fields when lightning NOx extension is turned off]133 KB (18,781 words) - 21:13, 21 June 2021
- # v8-01-01 Run0 vs. v8-01-01 Run1 is a clean comparison for the switch from ISORROPIA to RPMARES. .../cm3 in simulations that he had performed. '''''Therefore the "quick fix" is probably the major factor driving the drop in mean OH in the v8-01-04 runs.23 KB (3,442 words) - 17:39, 15 November 2017
- Here is your October 2009 GEOS-Chem Newsletter! Happy autumn to one and all! ...://acmg.seas.harvard.edu/geos/geos_working_groups.html Working Group] that is most relevant to his/her area of research. For more information about a pa9 KB (1,417 words) - 15:20, 19 June 2019
- ...nt [http://gmao.gsfc.nasa.gov NASA/GMAO] operational met data product. It is produced with a native resolution of 0.25° (lon) x 0.3125° (lat) x ...imilation System (aka GEOS-DAS). This means that the "5.7.x" nomenclature is no longer correct. For this reason, we shall refer to this product as GEOS34 KB (5,204 words) - 14:15, 15 May 2017
- ...style="color:red">'''''NOTE: The QFED biomass burning emissions inventory is available for simulations with [[GEOS-Chem v10-01]] and higher versions via ...degrees. Generally, the QFED data stored in the [[HEMCO data directories]] is the improved 0.1x0.1 product. Occasionally the 0.25x0.3125 product may be s9 KB (1,367 words) - 19:33, 19 July 2018
- ...e="color:red"><big><strong>[https://geoschem.github.io/gamap-manual GAMAP] is now obsolete. We recommend using [https://gcpy.readthedocs.io GCPy] for an ...tring of text characters is equivalent to an array of byte values. A byte is a collection of 8 bits and may express values from 0-255. The [http://www.14 KB (2,292 words) - 14:20, 19 July 2023
- ...or:red"><big><strong>[https://geoschem.github.io/gamap-manual/GAMAP GAMAP] is now obsolete. We recommend using [https://gcpy.readthedocs.io GCPy] for an This is the same as (showing the implicit lon/lat range associated with the data):13 KB (1,949 words) - 19:08, 16 September 2022
- Here is your May 2010 Newsletter...just in time for the Memorial Day Weekend! ...ning of the GEOS–Chem community and faster sharing of new model features is promoted by users offering co-authorship for recent developments.11 KB (1,703 words) - 15:44, 19 June 2019
- <span style="color:red">'''''Some of this information is out of date. We are in the process of updating the GEOS-Chem Classic user m There is no "preferred" resolution for generating boundary conditions. More often t32 KB (4,575 words) - 19:09, 17 August 2021
- Here is your August 2010 GEOS-Chem Newsletter...just in time for the dog days of su ...ning of the GEOS–Chem community and faster sharing of new model features is promoted by users offering co-authorship for recent developments.12 KB (1,942 words) - 18:13, 8 December 2016
- [[GEOS-Chem v9-02]] is our development version. It contains several important scientific updates ...e an error is discovered. Then we have to send out a bug fix patch, which is a inconvenience. Furthermore, some code submissions that we receive have on18 KB (2,894 words) - 16:50, 8 December 2016
- ...ou can use to write data to and read data from netCDF files. This package is contained within GEOS-Chem (in the <tt>NcdfUtil/</tt> folder, but may also The NcdfUtilities code is used by GEOS-Chem "Classic" simulations to perform netCDF file I/O. The so20 KB (3,149 words) - 20:10, 22 May 2017
- ...RE v7.1: This version is used with the GEOS-3 met fields. The source code is contained in F90 module <tt>tpcore_mod.f</tt>. ...he GEOS-4 and GEOS-5 met fields and for GCAP simulations. The source code is contained in the F90 module <tt>tpcore_fvdas_mod.f90</tt>. This version of12 KB (1,903 words) - 20:00, 2 January 2019
- Stratospheric chlorine chemistry is from UCX [Eastham et al 2014]. Tropospheric chlorine chemistry follows that ...ICl and IBr, instead of I2 as in Sherwen et al [2016a]. Another key change is that the sea-surface iodide now uses the value predicted by the relationshi21 KB (3,286 words) - 16:51, 15 July 2019
- Here is your February 2010 Newsletter. We encourage each GEOS-Chem user to join the Working Group that is most relevant to his/her area of research.11 KB (1,688 words) - 15:20, 19 June 2019
- Here is your September GEOS-Chem Newsletter. The next GEOS-Chem Steering Committee date is TBD (possibly January 4th). We will confirm the date shortly.14 KB (2,161 words) - 18:18, 8 December 2016
- '''''NOTE: Registration is now closed.''''' '''Matthew Cooper''', who is working with Randall Martin at Dalhousie University, will join the GEOS-Che20 KB (3,183 words) - 14:05, 19 June 2019
- The original reference document for the GEOS-Chem sea salt simulation is [http://acmg.seas.harvard.edu/publications/2005/alexander2005.pdf ''Alexand :Here is a summary of the changes:22 KB (3,255 words) - 19:56, 2 January 2019
- ...style="color:red">'''''NOTE: The GFAS biomass burning emissions inventory is available for simulations with [[GEOS-Chem 12#12.2.0|GEOS-Chem 12.2.0]] and ...files are produced at a global. 0.1x0.1 resolution. A full list of fields is given in the File Contents section.16 KB (2,611 words) - 19:52, 1 April 2019
- <span style="color:red"><big><strong>The POPs simulation is currently stale in [[GEOS-Chem 13.0.0]] and later versions. We look to the ...d approved on 14 Sept 2015. Additional benchmarking of the POPs simulation is in progress.'''''</span>15 KB (2,271 words) - 14:18, 20 September 2022
- ...page describes the TOMAS aerosol microphysics option in GEOS-Chem. TOMAS is one of two aerosol microphysics packages being incorporated into GEOS-Chem, ...resolution are sulfate, sea-salt, OC, EC, and dust. An advantage of TOMAS is the full size resolution for all chemical species and the conservation of a18 KB (2,561 words) - 20:18, 22 September 2022
- ...his more clearly shows the progression of version numbers. Note that this is the opposite of how versions are displayed in the Git history.'' While this versioning system worked well, it is not in line with accepted software industry best practice. Also the change9 KB (1,412 words) - 21:08, 1 June 2023
- ..., and divide by the area on the output grid, such that the total quantity is preserved. ...at each grid cell but the mass will be smaller for each grid cell. So mass is an extensive variable and the others are intensives.6 KB (1,114 words) - 21:27, 13 July 2023
- ...ous full-chemistry simulation (more on that below). Because the simulation is linear, CO can be “tagged” by its source region/type. The regions and t ...d by 19% and biomass burning emissions are scaled by 11%. More information is given in Duncan et al. (2007). See note below!<br><br>13 KB (1,970 words) - 17:33, 24 October 2023
- #<p>Once the developer is satisfied, GEOS–Chem Model Scientist Daniel Jacob will quickly review the ...EDT aircraft emissions update (submitted by Steven Barrett et al from MIT) is technically ready to be added into the standard code. However, the FAA has20 KB (3,001 words) - 15:15, 19 June 2019
- ...dary Layer scheme] for GEOS-5 only, developed by Jintai Lin.<br>Note: This is an option in <tt>input.geos</tt> ...as reactions for the chemistry (however, their small surface contribution is moved to the PBL scheme code as other emissions). These changes are necessa14 KB (2,160 words) - 17:42, 15 November 2017
- ...rest of the page focuses on aspects of the model specific to GEOS-Chem and is written primarily to help offline GEOS-Chem users get started. CESM users i ...g the source code, and running the model. Community Atmosphere Model (CAM) is the atmospheric component of CESM and includes both GEOS-Chem and HEMCO as8 KB (1,255 words) - 21:13, 20 May 2024
- Here is the June 2009 GEOS-Chem Newsletter. Happy Summer Solstice! |Validation is ongoing13 KB (1,989 words) - 18:12, 8 December 2016
- ...al Interpolation - Since most regional models use a curvilinear grid, this is the simplest step. ...olation - Many regional models use a pure sigma-pressure coordinate, which is different from GEOS-Chem's hybrid eta-sigma.7 KB (1,090 words) - 14:23, 12 April 2018
- A belated Happy St. Patrick's Day to one and all! Here is the March 2009 edition of the GEOS-Chem newsletter. ...n at the same time. This will allow us to serve you better. If one of us is unavailable then the others will be able to respond to you.8 KB (1,338 words) - 15:19, 19 June 2019
- FlexGrid is a new functionality that will allow users to define the grid for their GEOS ### not contain emissions data. The extension number is set to wildcard21 KB (2,963 words) - 05:45, 8 October 2023
- ...with the latest release of GEOS-Chem, v8-02-01. This merged adjoint model is now the standard adjoint code into which all further development efforts wi The forward model on which the adjoint is based originally corresponded to GEOS-Chem v8-02-01. It was subsequently up54 KB (8,455 words) - 16:52, 29 February 2024
- #Glyoxal chemistry ''(May Fu)'' ('''''NOTE: This is an option which is turned off by default''''') # v8-01-04 Run2 vs. v8-01-04 Run1 is a clean comparison between the GEOS-5.0.1 and GEOS-5.1.0 met products.15 KB (2,286 words) - 17:40, 15 November 2017
- ...ou can edit the <tt>CopyRunDirs.input</tt> file so that the following line is uncommented under <tt>RUNS</tt>: ...s. This script uses an input file named <tt>CopyRunDirs.input</tt>, which is also located in the <tt>perl</tt> directory.16 KB (2,212 words) - 21:31, 8 December 2020
- Support for GEOS FP meteorology has been added. Nested support is on the way and will be supported very soon. ...l NH3 (GEIA) and Volcano SO2 emissions are not yet supported. Offline CH4 is supported. Tagged CO requires revision of archived OH and O3 production an24 KB (3,507 words) - 16:06, 5 June 2022
- ...GBD-MAPS total anthropogenic emissions by default; emissions by fuel type is optional ...FP meteorology for July 2016 are from the GEOS-5.13.1 system while MERRA-2 is frozen at GEOS-5.12.4. See NASA GMAO's website for more details on differen448 KB (58,579 words) - 18:10, 3 January 2023
- Here is your November GEOS-Chem Newsletter. Claire Carouge has arrived in Australia! She is now providing support for GEOS-Chem from her location in Canberra. We ask12 KB (1,902 words) - 18:22, 8 December 2016
- The current released version of GEOS-Chem is [[GEOS-Chem v9-01-03|v9-01-03]], released in September 2012. If you have n #The [[Hg and POPs Working Group]] is working on a 1-yr [[Mercury|Hg simulation]], based on v9-02c.12 KB (1,964 words) - 14:08, 19 June 2019
- ...ementation of the MARS-A scheme of ''Binkowski and Roselle'' [2003]. This is an alternative option. ...heme [''Fountoukis and Nenes'', 2007], whose implementation into GEOS-Chem is described by [http://acmg.seas.harvard.edu/publications/pye/pye_2009.pdf ''11 KB (1,828 words) - 16:27, 18 June 2019
- ...s. Please also visit our [[Global Terrestrial Mercury Model]] page, which is an option that can be used with the GEOS-Chem mercury simulation. ...Jenny Fisher, Anne Soerensen, Noelle Selin, and others. The benchmark code is publicly available though you need a (free) account on github. If you'd lik17 KB (2,814 words) - 14:52, 18 October 2023
- <blockquote>Trend data for the following regions is derived from:</blockquote> ...year to 2003, the last year of available statistics, unless its base year is after 2003. Our approach follows ''Bey et al.'' (2001) and ''Park et al.''10 KB (1,471 words) - 18:21, 24 October 2023
- ...burning_emissions#25-Sep-2007|Last year of GFED2 biomass emissions, (which is now 2006)]] into v8-01-01. #* The only difference is that this benchmark was done w/ GEOS-5 met and v7-04-13 was done w/ GEOS-413 KB (1,925 words) - 18:05, 20 June 2017
- ...d in at 2x2.5, and re-gridded to whatever resolution the actual simulation is using REGRID_A2A</p> ..., though the GEOS4/GCAP treatment should be identical and preferable as it is more universal.</p>12 KB (2,004 words) - 09:35, 19 April 2018
- ...deg; lat x 0.625° lon x 72 vertical levels. The horizontal resolution is 2x coarser than the GMAO "forward processing" product (which we refer to as *The original name in the GEOS-FP raw data files is FRLANDICE.22 KB (3,364 words) - 02:50, 9 July 2019
- ...best way to examine the contents of your Git-backed GEOS-Chem source code is to use the '''gitk''' viewer. There are two ways to do this: The local time in seconds is then used to compute the field9 KB (1,394 words) - 20:27, 5 August 2019
- *CEDS is the default global ship emission inventory in [[GEOS-Chem 12#12.1.0|GC 12.1 *HTAP is a research option but not a standard option.13 KB (1,914 words) - 16:08, 20 September 2022
- ...ked in the stratosphere. Therefore, a robust definition of the tropopause is required. The location of the tropopause is computed at each dynamic timestep of a GEOS-Chem simulation, according to t3 KB (464 words) - 14:40, 13 July 2023
- *NOTE: Will not affect benchmarks because this function is not currently used *NOTE: Will not affect benchmarks, because the benchmark year is 2019, and we are only adding new years 2020-2022.346 KB (45,124 words) - 20:47, 14 May 2024
- Here is your November 2009 GEOS-Chem Newsletter. Happy Thanksgiving to one and all ...asure interacting with so many of you, taking part to so many projects. It is going to feel empty for a while! I will sure bring back with me many friend11 KB (1,521 words) - 18:12, 8 December 2016
- The next GEOS-Chem Steering Committee telecon date is '''''Tuesday, January 25th, 2011 @ 10:30 ET (15:30 GMT)'''''. Contact your ...Working Group Chairpersons to be informed about the type of research that is being conducted by individual GEOS-Chem users while avoiding duplication of15 KB (2,259 words) - 18:25, 8 December 2016
