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DOI10.1029/2021PA004243
Wetter Subtropics Lead to Reduced Pliocene Coastal Upwelling
Fu, Minmin; Cane, Mark A.; Molnar, Peter; Tziperman, Eli
通讯作者Fu, MM (corresponding author), Harvard Univ, Dept Earth & Planetary Sci, Cambridge, MA 02138 USA.
来源期刊PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
ISSN2572-4517
EISSN2572-4525
出版年2021
卷号36期号:10
英文摘要Current global warming scenarios suggest surface temperatures may attain warmth last seen during periods of the early-to mid-Pliocene (5.3-3 Ma). Pliocene proxy reconstructions suggest sea surface temperatures 3-9 degrees C warmer than today along midlatitude coastal upwelling sites. Recent climate modeling efforts focused on the mid-Piacenzian period showed a good model-data fit over midlatitude upwelling regions, but did not attempt to reproduce proxy records of early-Pliocene warmth. Evidence also suggests that subtropical continents were wetter then; we show that warm coastal SSTs can be explained via such wetter land conditions near the upwelling sites. Using a global atmospheric model, we show that introducing idealized wetter conditions over subtropical continents leads to reductions in upwelling-favorable wind events by weakening the land-sea surface pressure gradient. The resulting weaker coastal upwelling of cold deep water can help explain the inferred warm coastal temperatures.
英文关键词Pliocene coastal upwelling
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000711966000011
WOS关键词SEA-SURFACE TEMPERATURES ; WESTERN UNITED-STATES ; PERMANENT EL-NINO ; SNAKE RIVER PLAIN ; WIND-STRESS CURL ; GREAT-SALT-LAKE ; LATE NEOGENE ; LATE MIOCENE ; TROPICAL PACIFIC ; ATACAMA-DESERT
WOS类目Geosciences, Multidisciplinary ; Oceanography ; Paleontology
WOS研究方向Geology ; Oceanography ; Paleontology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/368388
作者单位[Fu, Minmin; Tziperman, Eli] Harvard Univ, Dept Earth & Planetary Sci, Cambridge, MA 02138 USA; [Cane, Mark A.] Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY USA; [Molnar, Peter] Univ Colorado, Dept Geol Sci, Boulder, CO 80309 USA; [Molnar, Peter] Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA; [Tziperman, Eli] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA
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Fu, Minmin,Cane, Mark A.,Molnar, Peter,et al. Wetter Subtropics Lead to Reduced Pliocene Coastal Upwelling[J],2021,36(10).
APA Fu, Minmin,Cane, Mark A.,Molnar, Peter,&Tziperman, Eli.(2021).Wetter Subtropics Lead to Reduced Pliocene Coastal Upwelling.PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY,36(10).
MLA Fu, Minmin,et al."Wetter Subtropics Lead to Reduced Pliocene Coastal Upwelling".PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY 36.10(2021).
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