期刊
SCIENCE ADVANCES
卷 5, 期 11, 页码 -出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.aax7047
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资金
- NWO (Nederlandse Organisatie voor Wetenschappelijk Onderzoek) [ALWOP.164]
- Swedish Research Council VR [2013-06476, 2017-04232]
- Helmholtz Climate Initiative REKLIM
- Alfred Wegener Institute's research program Marine, Coastal and Polar Systems
- Max Planck Institute for Meteorology in Hamburg
- German climate modeling initiative PalMod (BMBF)
- NERC [NE/P013279/1]
- European Research Council under the European Community [610055]
- National Science Foundation
- National Center for Atmospheric Research - National Science Foundation [1852977]
- CNRS
- Sorbonne Universite
- Ecole Polytechnique
- CNES
- Labex L-IPSL [ANR 10-LABX-0018]
- NERC [bas0100034, NE/P013279/1] Funding Source: UKRI
- Swedish Research Council [2017-04232, 2013-06476] Funding Source: Swedish Research Council
The last extended time period when climate may have been warmer than today was during the Last Interglacial (LIG; ca. 129 to 120 thousand years ago). However, a global view of LIG precipitation is lacking. Here, seven new LIG climate models are compared to the first global database of proxies for LIG precipitation. In this way, models are assessed in their ability to capture important hydroclimatic processes during a different climate. The models can reproduce the proxy-based positive precipitation anomalies from the preindustrial period over much of the boreal continents. Over the Southern Hemisphere, proxy-model agreement is partial. In models, LIG boreal monsoons have 42% wider area than in the preindustrial and produce 55% more precipitation and 50% more extreme precipitation. Austral monsoons are weaker. The mechanisms behind these changes are consistent with stronger summer radiative forcing over boreal high latitudes and with the associated higher temperatures during the LIG.
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