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 ====== AerChemMIP ====== ====== AerChemMIP ======
  
-The Aerosol Chemistry Model Intercomparison Project (AerChemMIP) is endorsed by the Coupled-Model Intercomparison Project 6 (CMIP6) and is designed to quantify the climate and air quality impacts of aerosols and chemically-reactive gases. These are specifically near-term climate forcers (NTCFs: methane, tropospheric ozone and aerosols, and their precursors), nitrous oxide and ozone-depleting halocarbons. The aim of AerChemMIP is to answer four scientific questions:+Scientific Steering Group: Bill Collins, Michael Schulz, Jean-François Lamarque, Vaishali Naik, Olivier Boucher, Michaela I. Hegglin, Amanda Maycock, Gunnar Myhre, Michael Prather, Drew Shindell, and Steven J. Smith 
 + 
 + 
 +The Aerosol Chemistry Model Intercomparison Project (AerChemMIP) is endorsed by the Coupled-Model Intercomparison Project 6 (CMIP6) and is designed to quantify the climate and air quality impacts of aerosols and chemically-reactive gases. These are specifically short-lived climate forcers (SLCFs: methane, tropospheric ozone and aerosols, and their precursors), nitrous oxide and ozone-depleting halocarbons. AerChemMIP analyses will inform the Sixth Assessment report of the IPCC ([[https://wg1.ipcc.ch/AR6/AR6.html|IPCC-AR6]]). The aim of AerChemMIP is to answer four scientific questions: 
 1. How have anthropogenic emissions contributed to global radiative forcing and affected regional climate over the historical period? 1. How have anthropogenic emissions contributed to global radiative forcing and affected regional climate over the historical period?
-2. How might future policies (on climate, air quality and land use) affect the abundances of NTCFs and their climate impacts?  + 
-3. How can uncertainties in historical NTCF emissions be mapped onto pre-industrial to present-day changes? +2. How might future policies (on climate, air quality and land use) affect the abundances of SLCFs and their climate impacts?  
-4. How important are climate feedbacks to natural NTCF emissions, atmospheric composition, and ERF?+ 
 +3. How can uncertainties in historical SLCF emissions be mapped onto pre-industrial to present-day changes? 
 + 
 +4. How important are climate feedbacks to natural SLCF emissions, atmospheric composition, and ERF? 
 These questions will be addressed through targeted simulations with CMIP6 climate models that include an interactive representation of tropospheric aerosols and atmospheric chemistry. These simulations build on the CMIP6 Diagnostic, Evaluation and Characterization of Klima (DECK) experiments, the CMIP6 historical simulations, and future projections performed elsewhere in CMIP6, allowing the contributions from aerosols and/or chemistry to be quantified. Specific diagnostics are requested as part of the CMIP6 data request to highlight the chemical composition of the atmosphere, to evaluate the performance of the models, and to understand differences in behaviour between them. These questions will be addressed through targeted simulations with CMIP6 climate models that include an interactive representation of tropospheric aerosols and atmospheric chemistry. These simulations build on the CMIP6 Diagnostic, Evaluation and Characterization of Klima (DECK) experiments, the CMIP6 historical simulations, and future projections performed elsewhere in CMIP6, allowing the contributions from aerosols and/or chemistry to be quantified. Specific diagnostics are requested as part of the CMIP6 data request to highlight the chemical composition of the atmosphere, to evaluate the performance of the models, and to understand differences in behaviour between them.
  
-Further information: 
  
-[[http://www.geosci-model-dev-discuss.net/gmd-2016-139/|AerChemMIP GMD paper]]+** {{:aerocom:aerchemmip:AerChemMIP_RFMIP_planned_papers_07132020.pdf | AerChemMIP & RFMIP Forthcoming and Planned Papers}}**:  
 +If you are performing an analysis not already listed in this document, please add information [[ https://docs.google.com/document/d/1TKGX-Y7dGYr1U4ezsWYA9V8XmzHsSsNhNQ39ZVjPI4E/edit|here]].  
 + 
 +/* **AerChemMIP/RFMIP Analysis Topics**: You are invited to comment on [[https://docs.google.com/document/d/1-Mr3IwqbqNcU-_TTiu1oGhTOge9V-3efHTu87WdpAjI/edit?usp=sharing|this google doc]], suggest your contribution or your interest to analyze model simulations submitted to ESGF in support of AerChemMIP and [[https://rfmip.leeds.ac.uk/| RFMIP]]. Please enter your suggestions until July 5, 2019, so that preliminary plans can be made before the summer.   
 +The leads for the topics and the AerChemMIP/RFMIP chairs will discuss a revised document by ca mid July and this will be sent around again or entered in the above mentioned document.  
 + 
 +**AerChemMIP and RFMIP paper outline (status August 26, 2019)** 
 + 
 +{{ :aerocom:aerchemmip:AerChemMIP_RFMIP_planned_papers_08262019.pdf |Short note on planned papers}} 
 + 
 + 
 +''In preparation of the second order draft of the IPCC AR6 WG1, early drafts of papers are requested by late Oct/early November. Papers can be sent via email to ar6chapter6papers@ipcc-wg1.fr. All papers received will be treated as confidential.'' 
 +*/ 
 + 
 +''The literature and data acceptance cut-off date for the IPCC AR6 WG1 report has been delayed to 31 January 2021 as part of an overall adjustment to the WGI timeline implemented after a broad consultation with authors, the broader community and editors of journals on the implications of COVID-19. 
 + 
 +The 30th September 2020 nonetheless remains as a “soft” or “intermediate” cut-off date ahead of the final deadline on 31st January 2021. 
 + 
 +Please send papers via email to ar6chapter6papers@ipcc-wg1.fr.''  
 + 
 +**Further AerChemMIP Information**: 
 + 
 +  * [[https://www.atmos-chem-phys.net/special_issue1057.html|AerChemMIP ACP Special Issue]] 
 +  * [[http://www.geosci-model-dev-discuss.net/gmd-2016-139/|AerChemMIP GMD paper Collins et al. (2017)]] 
 +  * [[https://docs.google.com/spreadsheets/d/1yMs2_YZ-uaRgwIsa1hVvJb6_zGmQdsi9nUlQgdUfIAo/edit#gid=0 | Multimodel AerChemMIP Status]] (google sheet courtesy Fiona O'Connor) 
 +  * [[https://esgf-node.llnl.gov/search/cmip6/ | Download AerchemMIP Data from ESGF]], [[https://esgf.github.io/esgf-user-support/user_guide.html|tutorial]] on how to download data from ESGF 
 +  *  [[https://pcmdi.llnl.gov/CMIP6/ArchiveStatistics/esgf_data_holdings/AerChemMIP/index.html | ESGF CMIP6 AerChemMIP Data Holdings]] 
 +  *  [[https://view.es-doc.org/?renderMethod=name&project=cmip6&type=cim.2.designing.Project&client=esdoc-url-rewrite&name=aerchemmip|AerChemMIP experiments via ES-DOC]] 
 +  *  [[https://search.es-doc.org/|Get Model information  via ES-DOC]] (choose Model under Document Type to see select the model for which information is needed) 
 +  * [[aerocom:aerchemmip:diagnostics| EXCEL tables of AerChemMIP data request]] 
 +  * [[http://lists.met.no/mailman/listinfo/aerchemmip| AerChemMIP email list]] 
 +  * [[https://docs.google.com/document/d/1IprvZ2H9XXtBTqnQfF4IK0FYgQardQJZ165k3IS8knQ/edit?usp=sharing | Frequently Asked Questions]] 
 + 
 + 
 +/* Experiments overview: 
 +[[http://rawgit.com/WCRP-CMIP/CMIP6_CVs/master/src/CMIP6_experiment_id.html|CMIP6 and AerChemMIP experiment list]]  
 + 
 +Analysis:  
 +[[https://wiki.met.no/aerocom/aerchemmip/analysis|AerChemMIP analysis topics]] */ 
 + 
 + 
 +**Further CMIP6 Information**: 
 + 
 +  * [[http://www.wcrp-climate.org/wgcm-cmip/wgcm-cmip6| CMIP6]] 
 +  * [[https://search.es-doc.org/ | CMIP6 Experiments ]] (choose Experiment under Document Type to see the full list of CMIP6 experiments) 
 +  * [[http://www.wcrp-climate.org/wgcm-cmip/wgcm-cmip6| CMIP6 forcing datasets]] ([[https://esgf-node.llnl.gov/projects/input4mips/ | input4MIPs]]) 
 +  * [[https://www.wcrp-climate.org/modelling-wgcm-mip-catalogue/modelling-wgcm-cmip6-endorsed-mips| Endorsed CMIP6 MIPs]] 
 +  * [[http://clipc-services.ceda.ac.uk/dreq/index.html|CMIP6 data request]] 
 + 
 + 
 +**Meetings** 
 + 
 +3rd Tri-MIP workshop  
 +  * Registration  and more info coming up in September 
 +  * "Virtual" 16-20 November 2020 
 +  * Times: 2 hours every day (incl. 1 hour discussion) 
 +  * EU   3pm -   5pm   
 +  * NY   9am - 11am 
 +  * CA   6am -   8am  
 +  * JP  10pm - 12midnight  
 +  * CH   9pm - 11pm
  
-[[aerocom:aerchemmip:diagnostics| EXCEL tables of AerChemMIP data request]] 
  
-[[http://clipc-services.ceda.ac.uk/dreq/index.html|CMIP6 data request]]+[[http://splash.princeton.edu/trimip/|2nd Tri-MIP]] (joint [[https://wiki.met.no/aerocom/aerchemmip/start|AerChemMIP]]/[[https://cicero.oslo.no/en/PDRMIP|PDRMIP]]/[[https://rfmip.leeds.ac.uk/RFMIP]]) workshop in Princeton University, Princeton, NJ, 11-14 June 2019
  
-[[http://www.wcrp-climate.org/wgcm-cmip/wgcm-cmip6|CMIP6]]+1st Tri-MIP workshop in University of Reading, Reading, UK, 11-15 June 2018
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