{"NOAAStudyId":"14512","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":"2013-05-28","dataPublisher":"NOAA","dataType":"PALEOCEANOGRAPHY","dataTypeInformation":"https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/paleoceanography","difMetadataLink":"http://www1.ncdc.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-ocean-14512.xml","doi":null,"earliestYearBP":-58,"earliestYearCE":2008,"entryId":"noaa-ocean-14512","funding":[{"fundingAgency":"US National Science Foundation","fundingGrant":"ARC-0902751, ARC-0902571, EAR 0651585"}],"investigators":"Hatfield, R.G.; Stoner, J.S.; Carlson, A.E.; Reyes, A.V.; Housen, B.A.","mostRecentYearBP":-58,"mostRecentYearCE":2008,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/14512","originalSource":null,"publication":[{"abstract":"Magnetic properties of eight particle size ranges from nine locations in Iceland and 26 locations in southern Greenland reveal the importance of source variation for our understanding of paleomagnetic and environmental magnetic records in the marine environment. These terrestrial samples show varying degrees of particle size dependence with all samples showing that the silt fraction possesses greater concentrations of ferrimagnetic minerals than either clay or sand. Fine pseudo-single domain (PSD) size magnetic grains dominate the magnetic assemblage of all Icelandic fractions. In contrast, Greenlandic samples possess greater variation in magnetic grain size; only fine silt and clay are as magnetically fine as the Icelandic PSD grains, while Greenlandic silts and sands are dominated by coarser PSD and multi-domain grains. These observations from potential marine sediment sources suggest that the silt size fraction is a likely driver for much of the concentration-dependent parameters derived from bulk magnetic records and that the magnetic grain size of the silt fraction can be used to discriminate between Icelandic and Greenlandic sources. Using these results to examine magnetic grain size records from marine sediment cores collected across the northern North Atlantic suggests that source, not just transport-controlled physical grain-size, has a significant impact on determining the magnetic grain size at a particular location. Homogeneity of magnetic grain size in Icelandic sediments at least partially explains the consistent quality of paleomagnetic records derived from cores surrounding Iceland and their ability to buffer large environmental changes.\r\n","author":null,"citation":"Robert G. Hatfield, Joseph S. Stoner, Anders E. Carlson, Alberto V. Reyes, Bernard A. Housen. 2013. \r\nSource as a controlling factor on the quality and interpretation of sediment magnetic records from the northern North Atlantic. Earth and Planetary Science Letters, Vol. 368, pp. 69-77, 15 April 2013. \r\nDOI: 10.1016/j.epsl.2013.03.001","edition":null,"identifier":{"id":"10.1016/j.epsl.2013.03.001","type":"doi","url":"http://dx.doi.org/10.1016/j.epsl.2013.03.001"},"issue":null,"journal":"Earth and Planetary Science Letters","pages":null,"pubRank":"1","pubYear":2013,"reportNumber":null,"title":"Source as a controlling factor on the quality and interpretation of sediment magnetic records from the northern North Atlantic","type":"publication","volume":null}],"reconstruction":"N","scienceKeywords":null,"site":[{"NOAASiteId":"54950","geo":{"geoType":"Feature","geometry":{"coordinates":["55","65","-25","-15"],"type":"POLYGON"},"properties":{"easternmostLongitude":"-15","maxElevationMeters":null,"minElevationMeters":null,"northernmostLatitude":"65","southernmostLatitude":"55","westernmostLongitude":"-25"}},"locationName":"Continent>Europe>Northern Europe>Iceland","mappable":"N","paleoData":[{"NOAADataTableId":"24501","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>paleocean>physical properties"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/hatfield2013/hatfield2013.xls","linkText":"hatfield2013.xls","urlDescription":"Original Data and Full Metadata","variables":[]},{"NOAAKeywords":["earth science>paleoclimate>paleocean>physical properties"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/hatfield2013/hatfield2013hloop.txt","linkText":"hatfield2013hloop.txt","urlDescription":"Original Data and Full Metadata","variables":[]}],"dataTableName":"Hatfield2013Hloop","dataTableNotes":null,"earliestYear":2008,"earliestYearBP":-58,"earliestYearCE":2008,"mostRecentYear":2008,"mostRecentYearBP":-58,"mostRecentYearCE":2008,"species":[],"timeUnit":"AD"},{"NOAADataTableId":"24503","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>paleocean>physical properties"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/hatfield2013/hatfield2013.xls","linkText":"hatfield2013.xls","urlDescription":"Original Data and Full Metadata","variables":[]},{"NOAAKeywords":["earth science>paleoclimate>paleocean>physical properties"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/hatfield2013/hatfield2013xarmx.txt","linkText":"hatfield2013xarmx.txt","urlDescription":"Original Data and Full Metadata","variables":[{"cvAdditionalInfo":null,"cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Character","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":null,"cvWhat":"sampling metadata>sample identification"},{"cvAdditionalInfo":"Terrane. Abbreviations: NMB=Nagssugtoqidian Mobile Belt AB=Archean Block KMB=Ketilidian Mobile Belt","cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Character","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":null,"cvWhat":"sampling metadata>notes"},{"cvAdditionalInfo":"Size Fraction","cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Character","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":null,"cvWhat":"sampling metadata>notes"},{"cvAdditionalInfo":"Xarm/X","cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"ampere per meter","cvWhat":"magnetic property>magnetic ratios>anhysteretic remanent magnetization/magnetic susceptibility"}]}],"dataTableName":"Hatfield2013XarmX","dataTableNotes":null,"earliestYear":2008,"earliestYearBP":-58,"earliestYearCE":2008,"mostRecentYear":2008,"mostRecentYearBP":-58,"mostRecentYearCE":2008,"species":[],"timeUnit":"AD"}],"siteName":"Iceland"},{"NOAASiteId":"54951","geo":{"geoType":"Feature","geometry":{"coordinates":["60","82","-60","-20"],"type":"POLYGON"},"properties":{"easternmostLongitude":"-20","maxElevationMeters":null,"minElevationMeters":null,"northernmostLatitude":"82","southernmostLatitude":"60","westernmostLongitude":"-60"}},"locationName":"Continent>North America>Greenland","mappable":"N","paleoData":[{"NOAADataTableId":"24500","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>paleocean>magnetic susceptibility"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/hatfield2013/hatfield2013.xls","linkText":"hatfield2013.xls","urlDescription":"Original Data and Full Metadata","variables":[]},{"NOAAKeywords":["earth science>paleoclimate>paleocean>magnetic susceptibility"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/hatfield2013/hatfield2013ms.txt","linkText":"hatfield2013ms.txt","urlDescription":"Original Data and Full Metadata","variables":[{"cvAdditionalInfo":null,"cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Character","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":null,"cvWhat":"sampling metadata>sample identification"},{"cvAdditionalInfo":"Terrane. Abbreviations: NMB=Nagssugtoqidian Mobile Belt AB=Archean Block KMB=Ketilidian Mobile Belt","cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Character","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":null,"cvWhat":"sampling metadata>notes"},{"cvAdditionalInfo":"Size Fraction","cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Character","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":null,"cvWhat":"sampling metadata>notes"},{"cvAdditionalInfo":"x10-6 units","cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"cubic meter per kilogram","cvWhat":"magnetic property>magnetic moments>magnetic susceptibility"}]}],"dataTableName":"Hatfield2013MS","dataTableNotes":null,"earliestYear":2008,"earliestYearBP":-58,"earliestYearCE":2008,"mostRecentYear":2008,"mostRecentYearBP":-58,"mostRecentYearCE":2008,"species":[],"timeUnit":"AD"},{"NOAADataTableId":"24502","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>paleocean>physical properties"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/hatfield2013/hatfield2013.xls","linkText":"hatfield2013.xls","urlDescription":"Original Data and Full Metadata","variables":[]},{"NOAAKeywords":["earth science>paleoclimate>paleocean>physical properties"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/hatfield2013/hatfield2013hparam.txt","linkText":"hatfield2013hparam.txt","urlDescription":"Original Data and Full Metadata","variables":[{"cvAdditionalInfo":null,"cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Character","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":null,"cvWhat":"sampling metadata>sample identification"},{"cvAdditionalInfo":"Terrane. Abbreviations: NMB=Nagssugtoqidian Mobile Belt AB=Archean Block KMB=Ketilidian Mobile Belt","cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Character","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":null,"cvWhat":"sampling metadata>notes"},{"cvAdditionalInfo":"Size Fraction","cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Character","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":null,"cvWhat":"sampling metadata>notes"},{"cvAdditionalInfo":null,"cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"dimensionless","cvWhat":"magnetic property>magnetic ratios>coercivity of remanence/coercivity"},{"cvAdditionalInfo":null,"cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"dimensionless","cvWhat":"magnetic property>magnetic ratios>saturation remanent magnetization/saturation magnetization"}]}],"dataTableName":"Hatfield2013Hparam","dataTableNotes":null,"earliestYear":2008,"earliestYearBP":-58,"earliestYearCE":2008,"mostRecentYear":2008,"mostRecentYearBP":-58,"mostRecentYearCE":2008,"species":[],"timeUnit":"AD"}],"siteName":"Greenland"}],"studyCode":null,"studyName":"Iceland/Greenland Stream Sediment Magnetic Data","studyNotes":"Magnetic data (susceptibility, hysteresis) on stream sediments from 78 locations all over Iceland \nand Greenland, providing data on terrestrial sediment sources to the North Atlantic.","version":"1.0","xmlId":"12515"}