{"NOAAStudyId":"16338","contactInfo":{"address":"325 Broadway, E/NE31","city":"Boulder","constraints":"Please cite original publication, online resource, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, title, online resource, and date accessed. The appearance of external links associated with a dataset does not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration of external Web sites or the information, products or services contained therein. For other than authorized activities, the Department of Commerce/NOAA does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this Department of Commerce/NOAA Web site.","country":"USA","dataCenterUrl":"https://www.ncdc.noaa.gov/data-access/paleoclimatology-data","email":"paleo@noaa.gov","fax":"303-497-6513","longName":"National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce ","phone":"303-497-6280","postalCode":"80305-3328","shortName":"DOC/NOAA/NESDIS/NCEI","state":"CO","type":"CONTACT INFORMATION"},"contributionDate":"2014-04-11","dataPublisher":"NOAA","dataType":"CORALS AND SCLEROSPONGES","dataTypeInformation":"https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/coral-sclerosponge","difMetadataLink":"http://www1.ncdc.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-coral-16338.xml","doi":null,"earliestYearBP":0,"earliestYearCE":1950,"entryId":"noaa-coral-16338","funding":[{"fundingAgency":"International Atomic Energy Agency (IAEA)","fundingGrant":"Project \"Nuclear and isotopic studies of the El Nino phenomenon in the ocean\""}],"investigators":"Osborne, M.C.; Dunbar, R.B.; Mucciarone, D.A.; Sanchez-Cabeza, J.-A.; Druffel, E.R.M.","mostRecentYearBP":-58,"mostRecentYearCE":2008,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/16338","originalSource":null,"publication":[{"abstract":"Stable isotopic and trace element records from corals collected within the West Pacific Warm Pool (WPWP) are well suited to examine interannual to decadal climate variability associated with the El Nino-Southern Oscillation (ENSO) phenomenon. The most commonly used climate recorder in corals is d18O (d18OCRL), a parameter subject to multiple regional and local environmental influences. Location-specific calibration of d18OCRL is a necessary first step for developing long-term paleoceanographic reconstructions. Here we present four new coral d18O stratigraphies from the Republic of Palau (7.5N 134.5E), and compare our records with instrumental measurements for the period 1950-2008. We also compare our results with a previously published coral record from Palau. We employ a new sea surface salinity (SSS) product and validate its utility for coral-based paleoclimate calibrations. We not only examine differences among the records but also identify strong and regionally coherent environmental signals. We find that SSS variability is the dominant influence on d18OCRL in Palau, while sea surface temperature (SST) is of secondary importance. Our results show that time-averaging multiple d18OCRL records into a single composite series produce greater correlations with instrumental data and indices than individual stratigraphies alone. Our results are consistent with observations of a strengthening of the hydrological cycle in the WPWP region over the past 50 years, though the magnitudes of long term linear trends differ among the different Palau d18OCRL records. Interannual and interdecadal variabilities between the Palau d18OCRL records are more consistent than the long term linear trends. Monthly Palauan d18OCRL anomalies capture strong El Nino events with high fidelity over the calibration period. This study provides constraints for future paleoenvironmental investigations in Palau using longer coral records.","author":{"name":"Michael C. Osborne, Robert B. Dunbar, David A. Mucciarone, Joan-Albert Sanchez-Cabeza, Ellen Druffel"},"citation":"Michael C. Osborne, Robert B. Dunbar, David A. Mucciarone, Joan-Albert Sanchez-Cabeza, Ellen Druffel. 2013. Regional calibration of coral-based climate reconstructions from Palau, West Pacific Warm Pool (WPWP). Palaeogeography, Palaeoclimatology, Palaeoecology, 386, 308-320. doi: 10.1016/j.palaeo.2013.06.001","edition":null,"identifier":{"id":"10.1016/j.palaeo.2013.06.001","type":"doi","url":"http://dx.doi.org/10.1016/j.palaeo.2013.06.001"},"issue":null,"journal":"Palaeogeography, Palaeoclimatology, Palaeoecology","pages":"308-320","pubRank":"1","pubYear":2013,"reportNumber":null,"title":"Regional calibration of coral-based climate reconstructions from Palau, West Pacific Warm Pool (WPWP)","type":"publication","volume":"386"}],"reconstruction":"N","scienceKeywords":["Warm Pool"],"site":[{"NOAASiteId":"55839","geo":{"geoType":"Feature","geometry":{"coordinates":["7.4064","134.4353"],"type":"POINT"},"properties":{"easternmostLongitude":"134.4353","maxElevationMeters":null,"minElevationMeters":null,"northernmostLatitude":"7.4064","southernmostLatitude":"7.4064","westernmostLongitude":"134.4353"}},"locationName":"Ocean>Pacific Ocean>Western Pacific Ocean>Micronesia>Palau","mappable":"Y","paleoData":[{"NOAADataTableId":"26377","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>corals and sclerosponges>carbon isotopes","earth science>paleoclimate>corals and sclerosponges>oxygen isotopes"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/coral/west_pacific/palau2013ngb.txt","linkText":"Ngeragabel Stable Isotope Data","urlDescription":"Data File","variables":[{"cvAdditionalInfo":null,"cvDataType":"CORALS AND SCLEROSPONGES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"year Common Era","cvWhat":"age variable>age"},{"cvAdditionalInfo":null,"cvDataType":"CORALS AND SCLEROSPONGES","cvDetail":"interpolated","cvError":null,"cvFormat":"Numeric","cvMaterial":"biological material>organism>coral>Porites sp.>Porites lutea","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VPDB","cvWhat":"chemical composition>isotope>isotope ratio>delta 18O"},{"cvAdditionalInfo":null,"cvDataType":"CORALS AND SCLEROSPONGES","cvDetail":"interpolated","cvError":null,"cvFormat":"Numeric","cvMaterial":"biological material>organism>coral>Porites sp.>Porites lutea","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VPDB","cvWhat":"chemical composition>isotope>isotope ratio>delta 13C"}]}],"dataTableName":"Palau2013NGB","dataTableNotes":null,"earliestYear":1963,"earliestYearBP":-13,"earliestYearCE":1963,"mostRecentYear":2008,"mostRecentYearBP":-58,"mostRecentYearCE":2008,"species":[],"timeUnit":"AD"}],"siteName":"Ngeragabel"},{"NOAASiteId":"55840","geo":{"geoType":"Feature","geometry":{"coordinates":["7.6569","134.5651"],"type":"POINT"},"properties":{"easternmostLongitude":"134.5651","maxElevationMeters":null,"minElevationMeters":null,"northernmostLatitude":"7.6569","southernmostLatitude":"7.6569","westernmostLongitude":"134.5651"}},"locationName":"Ocean>Pacific Ocean>Western Pacific Ocean>Micronesia>Palau","mappable":"Y","paleoData":[{"NOAADataTableId":"26376","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>corals and sclerosponges>carbon isotopes","earth science>paleoclimate>corals and sclerosponges>oxygen isotopes"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/coral/west_pacific/palau2013nl.txt","linkText":"Ngeralang Stable Isotope Data","urlDescription":"Data File","variables":[{"cvAdditionalInfo":null,"cvDataType":"CORALS AND SCLEROSPONGES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"year Common Era","cvWhat":"age variable>age"},{"cvAdditionalInfo":null,"cvDataType":"CORALS AND SCLEROSPONGES","cvDetail":"interpolated","cvError":null,"cvFormat":"Numeric","cvMaterial":"biological material>organism>coral>Porites sp.>Porites lutea","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VPDB","cvWhat":"chemical composition>isotope>isotope ratio>delta 18O"},{"cvAdditionalInfo":null,"cvDataType":"CORALS AND SCLEROSPONGES","cvDetail":"interpolated","cvError":null,"cvFormat":"Numeric","cvMaterial":"biological material>organism>coral>Porites sp.>Porites lutea","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VPDB","cvWhat":"chemical composition>isotope>isotope ratio>delta 13C"}]}],"dataTableName":"Palau2013NL","dataTableNotes":null,"earliestYear":1990,"earliestYearBP":-40,"earliestYearCE":1990,"mostRecentYear":2008,"mostRecentYearBP":-58,"mostRecentYearCE":2008,"species":[],"timeUnit":"AD"}],"siteName":"Ngeralang"},{"NOAASiteId":"55841","geo":{"geoType":"Feature","geometry":{"coordinates":["7.2708","134.3837"],"type":"POINT"},"properties":{"easternmostLongitude":"134.3837","maxElevationMeters":null,"minElevationMeters":null,"northernmostLatitude":"7.2708","southernmostLatitude":"7.2708","westernmostLongitude":"134.3837"}},"locationName":"Ocean>Pacific Ocean>Western Pacific Ocean>Micronesia>Palau","mappable":"Y","paleoData":[{"NOAADataTableId":"26375","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>corals and sclerosponges>oxygen isotopes","earth science>paleoclimate>corals and sclerosponges>carbon isotopes"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/coral/west_pacific/palau2013ri.txt","linkText":"Rock Islands Stable Isotope Data","urlDescription":"Data File","variables":[{"cvAdditionalInfo":null,"cvDataType":"CORALS AND SCLEROSPONGES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"year Common Era","cvWhat":"age variable>age"},{"cvAdditionalInfo":null,"cvDataType":"CORALS AND SCLEROSPONGES","cvDetail":"interpolated","cvError":null,"cvFormat":"Numeric","cvMaterial":"biological material>organism>coral>Porites sp.>Porites lutea","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VPDB","cvWhat":"chemical composition>isotope>isotope ratio>delta 18O"},{"cvAdditionalInfo":null,"cvDataType":"CORALS AND SCLEROSPONGES","cvDetail":"interpolated","cvError":null,"cvFormat":"Numeric","cvMaterial":"biological material>organism>coral>Porites sp.>Porites lutea","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VPDB","cvWhat":"chemical composition>isotope>isotope ratio>delta 13C"}]}],"dataTableName":"Palau2013RI","dataTableNotes":null,"earliestYear":1950,"earliestYearBP":0,"earliestYearCE":1950,"mostRecentYear":2008,"mostRecentYearBP":-58,"mostRecentYearCE":2008,"species":[],"timeUnit":"AD"}],"siteName":"Rock Islands"},{"NOAASiteId":"55842","geo":{"geoType":"Feature","geometry":{"coordinates":["7.2859","134.2503"],"type":"POINT"},"properties":{"easternmostLongitude":"134.2503","maxElevationMeters":null,"minElevationMeters":null,"northernmostLatitude":"7.2859","southernmostLatitude":"7.2859","westernmostLongitude":"134.2503"}},"locationName":"Ocean>Pacific Ocean>Western Pacific Ocean>Micronesia>Palau","mappable":"Y","paleoData":[{"NOAADataTableId":"26374","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>corals and sclerosponges>oxygen isotopes","earth science>paleoclimate>corals and sclerosponges>carbon isotopes"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/coral/west_pacific/palau2013uc.txt","linkText":"Ulong Channel Stable Isotope Data","urlDescription":"Data File","variables":[{"cvAdditionalInfo":null,"cvDataType":"CORALS AND SCLEROSPONGES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"year Common Era","cvWhat":"age variable>age"},{"cvAdditionalInfo":null,"cvDataType":"CORALS AND SCLEROSPONGES","cvDetail":"interpolated","cvError":null,"cvFormat":"Numeric","cvMaterial":"biological material>organism>coral>Porites sp.>Porites lutea","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VPDB","cvWhat":"chemical composition>isotope>isotope ratio>delta 18O"},{"cvAdditionalInfo":null,"cvDataType":"CORALS AND SCLEROSPONGES","cvDetail":"interpolated","cvError":null,"cvFormat":"Numeric","cvMaterial":"biological material>organism>coral>Porites sp.>Porites lutea","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VPDB","cvWhat":"chemical composition>isotope>isotope ratio>delta 13C"}]}],"dataTableName":"Palau2013UC","dataTableNotes":null,"earliestYear":1950,"earliestYearBP":0,"earliestYearCE":1950,"mostRecentYear":2008,"mostRecentYearBP":-58,"mostRecentYearCE":2008,"species":[],"timeUnit":"AD"}],"siteName":"Ulong Channel"}],"studyCode":null,"studyName":"Palau Coral 50 Year Stable Isotope Calibration Data","studyNotes":"Stable isotope (d18O and d13C) data for the past 50 years at monthly resolution from 4 coral cores collected in November 2008 from massive Porites lutea colonies at four sites in the Republic of Palau.","version":"1.0","xmlId":"14064"}