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  The PMIP4 contribution to CMIP6 – Part 3: The last millennium, scientific objective, and experimental design for the PMIP4 past1000 simulations

Jungclaus, J. H., Bard, E., Baroni, M., Braconnot, P., Cao, J., Chini, L. P., et al. (2017). The PMIP4 contribution to CMIP6 – Part 3: The last millennium, scientific objective, and experimental design for the PMIP4 past1000 simulations. Geoscientific Model Development, 10, 4005-4033. doi:10.5194/gmd-10-4005-2017.

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Jungclaus, Johann H., Author
Bard, Edouard, Author
Baroni, Mélanie, Author
Braconnot, Pascale, Author
Cao, Jian, Author
Chini, Louise P., Author
Egorova, Tania, Author
Evans, Michael, Author
González-Rouco, J. Fidel, Author
Goosse, Hugues, Author
Hurtt, George C., Author
Joos, Fortunat, Author
Kaplan, Jed O., Author
Khodri, Myriam, Author
Goldewijk, Kees Klein, Author
Krivova, Natalie A.1, Author              
LeGrande, Allegra N., Author
Lorenz, Stephan J., Author
Luterbacher, Jürg, Author
Man, Wenmin, Author
Maycock, Amanda C., AuthorMeinshausen, Malte, AuthorMoberg, Anders, AuthorMuscheler, Raimund, AuthorNehrbass-Ahles, Christoph, AuthorOtto-Bliesner, Bette I., AuthorPhipps, Steven J., AuthorPongratz, Julia, AuthorRozanov, Eugene, AuthorSchmidt, Gavin A., AuthorSchmidt, Hauke, AuthorSchmutz, Werner, AuthorSchurer, Andrew, AuthorShapiro, Alexander1, Author              Sigl, Michael, AuthorSmerdon, Jason E., AuthorSolanki, Sami K.2, Author              Timmreck, Claudia, AuthorToohey, Matthew, AuthorUsoskin, Ilya G., AuthorWagner, Sebastian, AuthorWu, Chi-Ju, AuthorYeo, Kok Leng, AuthorZanchettin, Davide, AuthorZhang, Qiong, AuthorZorita, Eduardo, Author more..
Affiliations:
1Max Planck Research Group in Solar Variability and Climate, Max Planck Institute for Solar System Research, Max Planck Society, ou_2265637              
2Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832289              

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 MPIS_GROUPS: Sun and Heliosphere: Solar Variability and Climate
 Abstract: The pre-industrial millennium is among the periods selected by the Paleoclimate Model Intercomparison Project (PMIP) for experiments contributing to the sixth phase of the Coupled Model Intercomparison Project (CMIP6) and the fourth phase of the PMIP (PMIP4). The past1000 transient simulations serve to investigate the response to (mainly) natural forcing under background conditions not too different from today, and to discriminate between forced and internally generated variability on interannual to centennial timescales. This paper describes the motivation and the experimental set-ups for the PMIP4-CMIP6 past1000 simulations, and discusses the forcing agents orbital, solar, volcanic, and land use/land cover changes, and variations in greenhouse gas concentrations. The past1000 simulations covering the pre-industrial millennium from 850 Common Era (CE) to 1849 CE have to be complemented by historical simulations (1850 to 2014 CE) following the CMIP6 protocol. The external forcings for the past1000 experiments have been adapted to provide a seamless transition across these time periods. Protocols for the past1000 simulations have been divided into three tiers. A default forcing data set has been defined for the Tier 1 (the CMIP6 past1000) experiment. However, the PMIP community has maintained the flexibility to conduct coordinated sensitivity experiments to explore uncertainty in forcing reconstructions as well as parameter uncertainty in dedicated Tier 2 simulations. Additional experiments (Tier 3) are defined to foster collaborative model experiments focusing on the early instrumental period and to extend the temporal range and the scope of the simulations. This paper outlines current and future research foci and common analyses for collaborative work between the PMIP and the observational communities (reconstructions, instru- mental data).

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Language(s): eng - English
 Dates: 2018-04-252017
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.5194/gmd-10-4005-2017
 Degree: -

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Title: Geoscientific Model Development
  Other : Geosci. Model Dev.
  Abbreviation : GMD
Source Genre: Journal
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Publ. Info: Göttingen : Copernicus Publ.
Pages: - Volume / Issue: 10 Sequence Number: - Start / End Page: 4005 - 4033 Identifier: ISSN: 1991-959X
CoNE: https://pure.mpg.de/cone/journals/resource/1991-959X