{"NOAAStudyId":"15072","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":"2013-08-16","dataPublisher":"NOAA","dataType":"SPELEOTHEMS","dataTypeInformation":"https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/speleothem","difMetadataLink":"http://www1.ncdc.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-cave-15072.xml","doi":null,"earliestYearBP":3649,"earliestYearCE":-1699,"entryId":"noaa-cave-15072","funding":[],"investigators":"Denniston, R.F.; DuPree, M.; Dorale, J.A.; Asmerom, Y.; Polyak, V.J.; Carpenter, S.J.","mostRecentYearBP":740,"mostRecentYearCE":1210,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/15072","originalSource":null,"publication":[{"abstract":"Two stalagmites from Devil's Icebox Cave, central Missouri, display similar δ13C and δ18O values and trends during the late Holocene. Positive δ13C excursions at 3.5–2.6 ka and 1.2–0.9 ka are interpreted to reflect drier conditions. These elevated stalagmite δ13C values could have plausibly been driven by increasing C4 plant abundances over the cave or an increased contribution of bedrock carbon, both of which could reflect decreased effective moisture. A lack of corresponding oxygen isotopic anomalies during these intervals suggests that neither mean annual temperature nor the seasonality of precipitation changed concomitantly with dryness. Both of the δ13C excursions identified in our stalagmite record are roughly coincident with dry intervals from a number of sites located across the Great Plains.","author":null,"citation":"Denniston, R.F., DuPree, M., Dorale, J.A., Asmerom, Y., Polyak, V.J. and Carpenter S.J. (2007) Episodes of Increased Aridity in the Late Holocene Recorded by Stalagmites from Devils Icebox Cave, Central Missouri, USA. Quaternary Research, 68, 45-52.\r\n","edition":null,"identifier":null,"issue":null,"journal":"Quaternary Research","pages":null,"pubRank":"1","pubYear":2007,"reportNumber":null,"title":"Episodes of Increased Aridity   in the Late Holocene Recorded by Stalagmites from Devils Icebox Cave, Central Missouri, USA. Quaternary Research, 68, 45-52.","type":"publication","volume":null}],"reconstruction":"N","scienceKeywords":["drought"],"site":[{"NOAASiteId":"55431","geo":{"geoType":"Feature","geometry":{"coordinates":["38.9","-92.3"],"type":"POINT"},"properties":{"easternmostLongitude":"-92.3","maxElevationMeters":"250","minElevationMeters":"250","northernmostLatitude":"38.9","southernmostLatitude":"38.9","westernmostLongitude":"-92.3"}},"locationName":"Continent>North America>United States Of America>Missouri","mappable":"Y","paleoData":[{"NOAADataTableId":"25079","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>speleothems>oxygen isotopes","earth science>paleoclimate>speleothems>carbon isotopes"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/northamerica/usa/missouri/devilsicebox2007dib-2.txt","linkText":"devilsicebox2007dib-2.txt","urlDescription":"Speleothem","variables":[{"cvAdditionalInfo":null,"cvDataType":"SPELEOTHEMS","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"calendar year before present","cvWhat":"age variable>age"},{"cvAdditionalInfo":null,"cvDataType":"SPELEOTHEMS","cvDetail":"raw","cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>identified mineral>carbonate>calcium carbonate","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VPDB","cvWhat":"chemical composition>isotope>isotope ratio>delta 18O"},{"cvAdditionalInfo":null,"cvDataType":"SPELEOTHEMS","cvDetail":"raw","cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>identified mineral>carbonate>calcium carbonate","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VPDB","cvWhat":"chemical composition>isotope>isotope ratio>delta 13C"}]}],"dataTableName":"DIB-2","dataTableNotes":null,"earliestYear":3598,"earliestYearBP":3598,"earliestYearCE":-1648,"mostRecentYear":1857,"mostRecentYearBP":1857,"mostRecentYearCE":93,"species":[],"timeUnit":"cal yr BP"},{"NOAADataTableId":"25088","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>speleothems>carbon isotopes","earth science>paleoclimate>speleothems>oxygen isotopes"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/northamerica/usa/missouri/devilsicebox2007dib-1.txt","linkText":"devilsicebox2007dib-1.txt","urlDescription":"Speleothem","variables":[{"cvAdditionalInfo":null,"cvDataType":"SPELEOTHEMS","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"calendar year before present","cvWhat":"age variable>age"},{"cvAdditionalInfo":null,"cvDataType":"SPELEOTHEMS","cvDetail":"raw","cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>identified mineral>carbonate>calcium carbonate","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VPDB","cvWhat":"chemical composition>isotope>isotope ratio>delta 13C"},{"cvAdditionalInfo":null,"cvDataType":"SPELEOTHEMS","cvDetail":"raw","cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>identified mineral>carbonate>calcium carbonate","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VPDB","cvWhat":"chemical composition>isotope>isotope ratio>delta 18O"}]}],"dataTableName":"DIB-1","dataTableNotes":null,"earliestYear":3649,"earliestYearBP":3649,"earliestYearCE":-1699,"mostRecentYear":740,"mostRecentYearBP":740,"mostRecentYearCE":1210,"species":[],"timeUnit":"cal yr BP"}],"siteName":"Devil's Icebox"}],"studyCode":null,"studyName":"Episodes of late Holocene aridity recorded by stalagmites from Devil's Icebox Cave, central Missouri, USA","studyNotes":"","version":"1.0","xmlId":"12914"}