{"xmlId":"2795","NOAAStudyId":"8691","studyName":"Andrews et al. 2008 E. Greenland/Iceland Holocene Magnetic Data","doi":"https://doi.org/10.25921/h0ga-tb19","uuid":"adc4c472-24f2-43c5-b2b7-00796f9356c7","dataPublisher":"NOAA","contactInfo":{"type":"CONTACT INFORMATION","shortName":"DOC/NOAA/NESDIS/NCEI","longName":"National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce ","address":"325 Broadway, E/NE31","city":"Boulder","state":"CO","postalCode":"80305-3328","country":"USA","dataCenterUrl":"https://www.ncei.noaa.gov/products/paleoclimatology","email":"paleo@noaa.gov","phone":"828-271-4800","fax":null,"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."},"dataType":"PALEOCEANOGRAPHY","investigators":"Andrews, J.T.; Hardadottir, J.; Stoner, J.S.; Principato, S.M.","investigatorDetails":[{"firstName":"John","lastName":"Andrews","initials":"J.T.","orcId":null},{"firstName":"Jorunn","lastName":"Hardadottir","initials":"J.","orcId":null},{"firstName":"Joseph","lastName":"Stoner","initials":"J.S.","orcId":"0000-0002-4848-5452"},{"firstName":"Sarah","lastName":"Principato","initials":"S.M.","orcId":null}],"version":"1.0","funding":[],"studyNotes":null,"onlineResourceLink":"https://www.ncei.noaa.gov/access/paleo-search/study/8691","difMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-ocean-8691.xml","isoMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/iso/xml/noaa-ocean-8691.xml","originalSource":null,"dataTypeInformation":"https://www.ncei.noaa.gov/products/paleoclimatology/paleoceanography","studyCode":null,"scienceKeywords":null,"reconstruction":"N","contributionDate":"2009-07-02","entryId":"noaa-ocean-8691","earliestYearBP":16000,"mostRecentYearBP":0,"earliestYearCE":-14050,"mostRecentYearCE":1950,"publication":[{"author":{"name":"Andrews, J.T., J. Hardardottir, J.S. Stoner, and S.M. Principato"},"pubYear":2008,"title":"Holocene Sediment Magnetic Properties along a Transect from \r\nIsafjardardjup to Djupall, Northwest Iceland","journal":"Arctic, Antarctic, and Alpine Research","volume":"40","edition":null,"issue":"1","pages":"1-14","reportNumber":null,"citation":"Andrews, J.T., J. Hardardottir, J.S. Stoner, and S.M. Principato. 2008. Holocene Sediment Magnetic Properties along a Transect from \r\nIsafjardardjup to Djupall, Northwest Iceland. Arctic, Antarctic, and Alpine Research, 40(1), 1-14. doi: 10.1657/1523-0430(05-072)[ANDREWS]2.0.CO;2","type":"publication","identifier":{"type":"doi","id":"10.1657/1523-0430(05-072)[ANDREWS]2.0.CO;2","url":"http://dx.doi.org/10.1657/1523-0430(05-072)[ANDREWS]2.0.CO;2"},"abstract":"Holocene changes in terrestrial provenance and processes of sediment transport and deposition are tracked along a fjord-to-shelf transect adjacent to Vestfirdir, Iceland, using the magnetic properties of marine sediments. Magnetic susceptibility (MS) profiles of 10 cores (gravity and piston) were obtained onboard using a Bartington MS loop.Remanent magnetizations were measured at 1-cm intervals from u-channel samples taken from six cores on a cryogenic magnetometer. Between six and nine alternating field demagnetization steps were used to isolate the characteristic magnetization directions. The chronologies of the cores used in this study were determined from AMS 14C dates on mollusks and foraminifera and constrained by the regional occurrence of the 10,200 +/- 60 cal yr. BP Saksunarvatn tephra. Correlative fluctuations in magnetic concentration are noted between the fjord and shelf sites, though these fluctuations are partially masked by regional variations in carbonate content. The onset of Neoglaciation is interpreted by changes in magnetic properties including an increase in mass magneticsusceptibility that began approximately 3000 cal yr. BP. The maximum angular deviation and the median destructive field (generally <20 mT) suggest that the natural remanent magnetization is carried by a coarse ferrimagnetite mineralogy, likely magnetite or titano-magnetite. Reproducible paleomagnetic inclination values are observed in several records, including a nearly vertical inclination around 8000 cal yr. BP, suggesting that the magnetic pole may have been proximal to Iceland, followed by an interval of much shallower inclination (60007000 cal yr. BP).","pubRank":"1"}],"site":[{"NOAASiteId":"20738","siteName":"B997-317","siteCode":null,"mappable":"Y","locationName":"Ocean>Atlantic Ocean>North Atlantic Ocean","geo":{"geoType":"Feature","geometry":{"type":"POINT","coordinates":["66.58","-18.87"]},"properties":{"southernmostLatitude":"66.58","northernmostLatitude":"66.58","westernmostLongitude":"-18.87","easternmostLongitude":"-18.87","minElevationMeters":"-494","maxElevationMeters":"-494"}},"paleoData":[{"dataTableName":"Andrews2007B997","NOAADataTableId":"32767","earliestYear":16000,"mostRecentYear":0,"timeUnit":"cal yr BP","earliestYearBP":16000,"mostRecentYearBP":0,"earliestYearCE":-14050,"mostRecentYearCE":1950,"coreLengthMeters":null,"dataTableNotes":null,"species":[],"dataFile":[{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/contributions_by_author/andrews2008/","urlDescription":"Data Folder","linkText":"Data Folder","variables":[{"cvDataType":"PALEOCEANOGRAPHY","cvWhat":"magnetic property>magnetic moments>remanent 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