Wetter Subtropics Lead to Reduced Pliocene Coastal Upwelling

Fu, Minmin; Cane, Mark A.; Molnar, Peter; Tziperman, Eli

doi:10.1029/2021pa004243

i

Wetter Subtropics Lead to Reduced Pliocene Coastal Upwelling

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2021
By Fu, Minmin ; Cane, Mark A. ; Molnar, Peter ; ...

Details

Journal Title:

Paleoceanography and Paleoclimatology
Personal Author:

Fu, Minmin ; Cane, Mark A. ; Molnar, Peter ; Tziperman, Eli
NOAA Program & Office:

CIRES (Cooperative Institute for Research in Environmental Sciences)
Description:

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°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
Keywords:

Atmospheric Science Oceanography Paleontology
Source:

Paleoceanography and Paleoclimatology, 36(10)
DOI:

https://doi.org/10.1029/2021pa004243
ISSN:

2572-4517 ; 2572-4525
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
Rights Information:

Other
Compliance:

Library
Main Document Checksum:

urn:sha256:bcc583648146c34c0f9fe74db1f953e18d6b6b945886405f712e3da798da070f
Download URL:

https://repository.library.noaa.gov/view/noaa/53204/noaa_53204_DS1.pdf
File Type:

[PDF - 6.44 MB ]

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