Difference between revisions of "GEOS-Chem v11-03"
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Revision as of 21:02, 14 March 2018
Contents
Overview
History
The table below shows the previous, current, and successive versions of GEOS-Chem:
| Previous version | This version | Next version |
|---|---|---|
| GEOS-Chem v11-02 | GEOS-Chem v11-03 | TBD |
| TBD | TBD | TBD |
| View v11-02 benchmark history | View v11-03 benchmark history | TBD |
What's new in this version
NOTE: v11-03a, v11-03b, etc. denote 1-month benchmark simulations, which are designed to evaluate GEOS-Chem's performance at intermediate stages of development.
In the pipeline
| Feature | Submitted by | Type | Status |
|---|---|---|---|
| Transport updates | |||
| GEOS resolution & subgrid convection | Karen Yu (Harvard) | Science |
|
| Common set of tracers in GEOS-Chem and GEOS | Transport WG GCST |
Benchmarking | |
| Chemistry updates | |||
| Updated chlorine chemistry | Xuan Wang (Harvard) | Science | |
| Emissions updates | |||
Grid-independent emissions, including:
|
Randall Martin (Dalhousie) Lee Murray (Rochester) David Ridley (MIT) Jintai Lin (PKU) |
Science | |
| EPA-derived BC/OA emissions over US (1990-2012) | David Ridley (MIT) Chi Li (Dalhousie) |
Science |
|
| Ocean ammonia emission inventory | Fabien Paulot (NOAA/GFDL) | Science |
|
| A snow NOx source from deep snowpack | Maria Zatko (UW) Becky Alexander (UW) |
Science |
|
| MASAGE inventory in HEMCO as default | Fabien Paulot (NOAA/GFDL) Amos Tai (CUHK) |
Science | |
| Non-agricultural NH3 for use with MASAGE | Amos Tai (CUHK) | Science | |
| Radon emission update | Bo Zhang (NIA/NASA Langley) | Science |
|
| GFAS biomass burning emissions | Mat Evans (York) | Science | |
| Deposition/surface updates | |||
| Wet scavenging in mixed-phase clouds | Bo Zhang (NIA/NASA Langley) | Science |
|
| Harmonizing Henry's Law coefficients across wet and dry deposition | GCST | Science | |
| Sedimentation of stratospheric aerosols | Sebastian Eastham (Harvard) | Science | |
| Aerosol updates | |||
| Sea salt aerosol alkalinity | Qianjie Chen (UW) Becky Alexander (UW) Xuan Wang (Harvard) |
Science |
|
| VBS SOA option | Rokjin Park (SNU) | Science | |
| Specialty simulation updates | |||
Oxidant fields from v10 for 2006-2012
|
Dylan Jones (UofT) | Science |
|
| Year 2010 ocean Hg boundary conditions from ocean model | Hannah Horowitz (Harvard) | Science | |
| Historical products emissions from Zhang et al. (2016), should become default | Colin Thackray (Harvard) | Science | |
| AMAP/UNEP 2035 for Hg simulation | Helene Angot (MIT) | Science | |
| Africa nested-grid for GEOS-FP and MERRA-2 | Eloise Marais (U. Birmingham) | Science |
|
| West Africa nested-grid for GEOS-FP | Mat Evans (York) Eleanor Morris (York) |
Science | |
| Tagged sulfate simulation | Becky Alexander (UW) | Science | |
| Arsenic simulation | Shiliang Wu (MT) | Science | |
| Structural updates | |||
| Updated flux diagnostics | Chris Holmes (Florida State) GCST |
Structural/ Benchmarking |
|
Additional modifications for FlexChem, including:
|
Mike Long (Harvard) GCST |
Structural | |
| Benchmark of stratospheric simulation | Dylan Jones (U. Toronto) | Benchmarking |
|
| Uniformity of units | GCST | Structural |
|
| ObsPack diagnostic as netCDF replacement for planeflight_mod.F | Andy Jacobson (NOAA/ESRL) | Structural |
|
| NetCDF Output Phase 3b: Updates to eliminate differences between single and multi-segmented GEOS-Chem runs | GCST Christoph Keller |
Bug fix/Structural | |
| Expansion of model capabilities | |||
| FlexGrid: Use HEMCO to read met fields and enable nested simulations over any custom domains | Jiawei Zhuang (Harvard) Jintai Lin (PKU) |
Structural |
|
| Update ISORROPIA from v2.0 to v2.2, in order to remove persistent noise in output | Seb Eastham (Harvard) | Science |
|
| Archival of roughness length for temperature z0T | GCST | Met processing | |
New data directories
The following HEMCO data directories have been added or updated for GEOS-Chem v11-02. You will have to download the directories relevant to your simulation.
| Inventory | What was added? | When added? | Directory
|
|---|---|---|---|
Validation
In this section we provide information about the benchmarks and tests that we have done to validate GEOS-Chem v11-03.
1-month and 1-year benchmarks
For complete information about the benchmark simulations used to validate GEOS-Chem v11-03, please see our GEOS-Chem v11-03 benchmark history wiki page.
Unit tests for GEOS-Chem v11-03
We perform a full set of unit tests on GEOS-Chem on an almost daily basis. These tests ensure that each new feature being added does not break any existing functionality.
Here are the unit tests that we ran before submitting 1-month benchmark simulation for v11-03. Click on the links below to see the results from each set of unit tests:
| Unit test | Date |
|---|---|
Previous issues now resolved in GEOS-Chem v11-03
The following bugs and/or technical issues have been resolved in v11-03.
Outstanding issues not yet resolved in GEOS-Chem v11-03
TBD
