Insights from Paleoclimate Modeling Intercomparison Project in CMIP6
The Paleoclimate Modeling Intercomparison Project (PMIP) in CMIP6 focuses on key reference simulations such as the Last Glacial Maximum, mid-Holocene, Past 1000 years, Last Interglacial, and Pliocene. A recent conference highlighted new aspects, promising developments, and the need for stronger collaborations and model-data comparisons. Late delivery of simulations, contributions to climate sensitivity research, and upcoming events marking PMIP's 30th Anniversary were also discussed.
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Paleoclimate Modeling Intercomparison Project in the last year 5 key reference simulations in CMIP6 - Entry cards : Last Glacial Maximum (21ka BP) and mid Holocene (6ka BP) - Past 1000 - Last Interglacial (127 ka) - Pliocene (3.3 Ma) Endorsed by :
PMIP conference Visio and in person Hub in China Sessions organised so as to provide complementary views from all PMIP activities on : Monsoon Climate sensitivity Transient experiments and ocean Internal variability A few questions raised during the meeting What is new, which aspects are promising, is there new common analyses to be launched? Could the analyses benefit from more interactions with other MIPs in CMIP6? Could model-data comparisons be strengthened? Is there new results particularly relevant for future climate change? Need to strengthen interMIP collaborations and analyses around reference simulations within CMIP !! Need to make sure that other PMIP simulations can easily benefits from ESGF and database infrastructure (how MIPs could better share responsabilities on this? )
Key aspects Late delivery of simulations on ESGF Contribution to WCRP climate sensitivity paper (Sherwood et al. 2020) PMIP GMD-CP special issue : about 17 published papers now, including 5 collaborative papers on first results of PMIP4-CMIP simulations New results on climate sensitivity, monsoon, sea-ice and ENSO (cf special issue) Need time for other in depth analyses within PMIP MIPs and working groups, and across CMIP6 MIPs Need to reduce the burden and multiple requests for rush in the analyses for IPCC (risk of bad science!) Brierley et al 2020 Kageyama et al. 2020 Haywood et al. 2019 Otto-Bliesner et al 2020 Kageyama et al. 2020b See also Brown et al. 2020 for ENSO and different periods
PMIP has a long history now 2021 also means PMIP 30th Anniversary We plan : To organise an event at the same place than in 1991 A PMIP retrospective highlighting major achievements A brainstorming on new challenges When? : end 2021 or early 2022 (depends on lockdown and financial support )
