Comparison of equatorial Pacific sea surface temperature variability and trends with Sr/Ca records from multiple corals

Alpert, Alice E.; Cohen, Anne L.; Oppo, Delia W.; DeCarlo, Thomas M.; Gove, Jamison M.; Young, Charles W.

doi:10.1002/2015pa002897

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Comparison of equatorial Pacific sea surface temperature variability and trends with Sr/Ca records from multiple corals

2016
By Alpert, Alice E. ; Cohen, Anne L. ; Oppo, Delia W. ; ...
Source: Paleoceanography, 31(2), 252-265

[PDF-1023.28 KB]

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Details:

Journal Title:

Paleoceanography
Personal Author:

Alpert, Alice E. ; Cohen, Anne L. ; Oppo, Delia W. ; DeCarlo, Thomas M. ; Gove, Jamison M. ; ... More +

Alpert, Alice E. ; Cohen, Anne L. ; Oppo, Delia W. ; DeCarlo, Thomas M. ; Gove, Jamison M. ; Young, Charles W. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; JIMAR (Joint Institute for Marine and Atmospheric Research) ; PIFSC (Pacific Islands Fisheries Science Center) ; CoRIS (Coral Reef Information System)

NMFS (National Marine Fisheries Service) ; JIMAR (Joint Institute for Marine and Atmospheric Research) ; PIFSC (Pacific Islands Fisheries Science Center) ; CoRIS (Coral Reef Information System) Less -
Description:

Coral Sr/Ca is widely used to reconstruct past ocean temperatures. However, some studies report different Sr/Ca-temperature relationships for conspeci ﬁcs on the same reef, with profound implications for interpretation of reconstructed temperatures. We assess whether these differences are attributable to small-scale oceanographic variability or “vital effects ”associated with coral calci ﬁcation and quantify the effect of intercolony differences on temperature estimates and uncertainties. Sr/Ca records from four massivePorites colonies growing on the east and west sides of Jarvis Island, central equatorial Paci ﬁc, were compared with in situ logger temperatures spanning 2002 –2012. In general, Sr/Ca captured the occurrence of interannual sea surface temperature events but their amplitude was not consistently recorded by any of the corals.No long-term trend was identi ﬁed in the instrumental data, yet Sr/Ca of one coral implied a statistically
Keywords:

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Oceanography Paleontology
Source:

Paleoceanography, 31(2), 252-265
DOI:

https://doi.org/10.1002/2015pa002897
ISSN:

0883-8305;1944-9186;
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PDF
Publisher:

American Geophysical Union (AGU)
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Journal Article
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Main Document Checksum:

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urn:sha256:2789881d7fc5d0408226b43446201bcb2bf524bc6e35e4fc8ae5394a69c532e1
Download URL:

https://staging-noaa.cdc.gov/view/noaa/52463/noaa_52463_DS1.pdf
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