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| Feature Update | Component | Relevant model | Contibutor(s) | Notes |
|---|---|---|---|---|
| CMIP7 Forcing | Emissions and external forcing (e.g. solar, volcano, fire) | CESM/CAM-Chem | Benjamin Gaubert, Simone Tilmes, Louisa Emmons, Rebecca Buchholz | https://github.com/NCAR/CMIP7_inputdata_processing |
| Ozone and nitrogen deposition | Chemistry fields for other models without | WACCM output for other models | Doug Kinnison | Simulations performed with 2 degrees WACCM. Output from CMIP7 runs for non interactive chemistry runs. Updated EPP forcing. Possible connection with mid-top. Saving O3, N dep, OH? |
| MAM5 code for Mid Top CMIP7 simulations | Reading 5th mode forcing in simple chemistry | CAM | Simone Tilmes, Francis Vitt | add pull request link? |
| TUVx | Photolysis | CESM/CAM-Chem, WACCM and MUSICA | Doug Kinnison | New photolysis scheme. (https://github.com/NCAR/tuv-x) |
| Soil NOx | online calculation of soil NO emissions | CESM/CAM-Chem, WACCM and MUSICA | Maria Val Martin (University of Sheffield) | Updated Soil NOx emissions (CTSM Issue #1952) |
| Short Lived Halogens (SLH) | chemistry mechanism | CESM/CAM-Chem, WACCM and MUSICA | Rafael Fenandez (ICB-CONICET), Carlos Cuevas (CSIC) | |
| Heterogeneous uptake on sea salt and dust | multi-phase chemistry | CESM/CAM-Chem, WACCM and MUSICA | Rafael Fenandez (ICB-CONICET), Carlos Cuevas (CSIC), Danny Leung | Heterogeneous reaction of N2O5 on sea salt and dust. Need ClNO2 (inc. in SLH mechanism). |
| Marine Organic Aerosol Emissions | emissions | CESM/CAM | Simone Tilmes | Add emissions of marine aerosols (CAM Issue #531). Two more aerosol species added to the model. Impacts cloud condensation nuclei (CCN). |
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