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Felis, Thomas; Suzuki, Atsushi; Kuhnert, Henning; Rimbu, Norel; Kawahata, Hodaka (2010): Ogasawara winter Sr/Ca and U/Ca data of coral core OGA-02-1 and PDO reconstruction (coral-geoduck index). PANGAEA, https://doi.org/10.1594/PANGAEA.744046, Supplement to: Felis, T et al. (2010): Pacific Decadal Oscillation documented in a coral record of North Pacific winter temperature since 1873. Geophysical Research Letters, 37, L14605, https://doi.org/10.1029/2010GL043572

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Abstract:
The Pacific Decadal Oscillation (PDO), the leading mode of sea surface temperature (SST) anomalies in the extratropical North Pacific Ocean, has widespread impacts on precipitation in the Americas and marine fisheries in the North Pacific. However, marine proxy records with a temporal resolution that resolves interannual to interdecadal SST variability in the extratropical North Pacific are extremely rare. Here we demonstrate that the winter Sr/Ca and U/Ca records of an annually-banded reef coral from the Ogasawara Islands in the western subtropical North Pacific are significantly correlated with the instrumental winter PDO index over the last century. The reconstruction of the PDO is further improved by combining the coral data with an existing eastern mid-latitude North Pacific growth ring record of geoduck clams. The spatial correlations of this combined index with global climate fields suggest that SST proxy records from these locations provide potential for PDO reconstructions further back in time.
Other version:
Strom, Are; Francis, Robert C; Mantua, Nathan J; Miles, Edward L; Peterson, David L (2004): Strait of Juan de Fuca geoduck clam growth increment data and SST reconstruction. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series #2004-012. NOAA/NGDC Paleoclimatology Program, Boulder, CO, USA, ftp://ftp.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/strom2004/strom2004.txt
Coverage:
Latitude: 27.105900 * Longitude: 142.194100
Minimum Elevation: -5.6 m * Maximum Elevation: -5.6 m
Event(s):
OGA-02-1 * Latitude: 27.105900 * Longitude: 142.194100 * Elevation: -5.6 m * Location: Western Subtropical North Pacific Ocean, Chichijima, Ogasawara Islands, Japan * Device: Diver-held corer (DHC) * Comment: modern coral, time period 1873-1993 a AD
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1AGEAgeka BPGeocode
2AgeAgea ADFelis, ThomasCalculated, see reference(s)
3Porites sp., Strontium/Calcium ratioPorites sp. Sr/Cammol/molFelis, ThomasICP-MS, Thermo Finnigan, Element 2November-February
4Porites sp., Uranium/Calcium ratioPorites sp. U/Caµmol/molFelis, ThomasICP-MS, Thermo Finnigan, Element 2November-February
5Coral-geoduck indexCoral-geod indexFelis, ThomasCalculated, see reference(s)
Size:
488 data points

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