Ogasawara winter Sr/Ca and U/Ca data of coral core OGA-02-1 and PDO reconstruction (coral-geoduck index)
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| Main Authors: | , , , , |
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| Format: | Dataset Open Access |
| Language: | en |
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PANGAEA
2010
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| _version_ | 1867170909166501888 |
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| author | Felis, Thomas Suzuki, Atsushi Kuhnert, Henning Rimbu, Norel Kawahata, Hodaka |
| author_facet | Felis, Thomas Suzuki, Atsushi Kuhnert, Henning Rimbu, Norel Kawahata, Hodaka |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | 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. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_744046 |
| institution | PANGAEA |
| language | en |
| publishDate | 2010 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Ogasawara winter Sr/Ca and U/Ca data of coral core OGA-02-1 and PDO reconstruction (coral-geoduck index) Felis, Thomas Suzuki, Atsushi Kuhnert, Henning Rimbu, Norel Kawahata, Hodaka Age; AGE; Calculated, see reference(s); Center for Marine Environmental Sciences; Coral-geoduck index; DHC; Diver-held corer; ICP-MS, Thermo Finnigan, Element 2; MARUM; OGA-02-1; Porites sp., Strontium/Calcium ratio; Porites sp., Uranium/Calcium ratio; Western Subtropical North Pacific Ocean, Chichijima, Ogasawara Islands, Japan 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. |
| title | Ogasawara winter Sr/Ca and U/Ca data of coral core OGA-02-1 and PDO reconstruction (coral-geoduck index) |
| topic | Age; AGE; Calculated, see reference(s); Center for Marine Environmental Sciences; Coral-geoduck index; DHC; Diver-held corer; ICP-MS, Thermo Finnigan, Element 2; MARUM; OGA-02-1; Porites sp., Strontium/Calcium ratio; Porites sp., Uranium/Calcium ratio; Western Subtropical North Pacific Ocean, Chichijima, Ogasawara Islands, Japan |
| url | https://doi.org/10.1594/PANGAEA.744046 |