NOAA/WDS Paleoclimatology - Hodell and Venz-Curtis 2006 Late Neogene Southern Ocean Carbon Isotope Data
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title: NOAA/WDS Paleoclimatology - Hodell and Venz-Curtis 2006 Late Neogene Southern Ocean Carbon Isotope Data
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date: 2008-04-09
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Anchor: DOI doi:10.25921/c3ah-c727
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individualName: Hodell, D.A.
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abstract: This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI study type is Paleoceanography. The data include parameters of paleoceanography with a geographic location of North Atlantic Ocean. The time period coverage is from 9000000 to 0 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data.
purpose: Records of past climate and ocean circulation derived from marine sediments. Parameter keywords describe what was measured in this dataset. Additional summary information can be found in the abstracts of papers listed in the dataset citations.
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electronicMailAddress: paleo@noaa.gov
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fileDescription: Paleoclimatology - Paleoceanography
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descriptiveKeywords: (MD_Keywords)
keyword: Earth Science > Paleoclimate > Ocean/Lake Records
keyword: Earth Science > Climate Indicators > Paleoclimate Indicators > Ocean/Lake Records
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title: Global Change Master Directory (GCMD) Science Keywords
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date: 2020-01-09
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edition: 9.1
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organisationName: NASA Goddard Space Flight Center, Earth Science Data and Information System
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keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleocean > carbon isotopes
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keyword: What: delta 18O; Material: Cibicidoides sp.
keyword: What: depth at sample end; Material: null
keyword: What: age; Material: null
keyword: What: delta 18O; Material: Cibicidoides wuellerstorfi
keyword: What: depth; Material: null
keyword: What: delta 13C; Material: benthic foraminifer
keyword: What: delta 18O; Material: benthic foraminifer
keyword: What: delta 13C; Material: Cibicidoides sp.
keyword: What: delta 13C; Material: benthic foraminifer
keyword: What: depth at sample start; Material: null
keyword: What: delta 18O; Material: benthic foraminifer
keyword: What: delta 18O; Material: benthic foraminifer
keyword: What: delta 13C; Material: benthic foraminifer
keyword: What: delta 13C; Material: Cibicidoides kullenbergi
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title: Paleoenvironmental Standard Terms (PaST) Thesaurus
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keyword: Ocean > Atlantic Ocean > North Atlantic Ocean > ODP 982 > LATITUDE 57.517 > LONGITUDE -15.8665
keyword: Ocean > Atlantic Ocean > South Atlantic Ocean > ODP 704A > LATITUDE -46.88 > LONGITUDE 7.42
keyword: Ocean > Atlantic Ocean > North Atlantic Ocean > DSDP 607 > LATITUDE 41.000019 > LONGITUDE -32.950122
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keyword: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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otherConstraints: Cite as: Hodell, D.A.; Venz, K.A. (2008-04-09): NOAA/WDS Paleoclimatology - Hodell and Venz-Curtis 2006 Late Neogene Southern Ocean Carbon Isotope Data. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/c3ah-c727. Accessed [date].
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otherConstraints: Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
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otherConstraints: Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
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otherConstraints: None
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otherConstraints: 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.
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title: Late Neogene history of deepwater ventilation in the Southern Ocean
date: (CI_Date)
date: 2006
dateType: (CI_DateTypeCode) publication
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individualName: Hodell, D.A., and K. A. Venz-Curtis
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name: Associated Reference published 2006
description: Hodell, D.A., and K. A. Venz-Curtis, 2006: Late Neogene history of deepwater ventilation in the Southern Ocean. Geochemistry, Geophysics, Geosystems, 7, , 10.1029/2005GC001211
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description: Date Range: 9000000 cal yr BP to 0 cal yr BP;
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beginPosition: -8998050
endPosition: 1950
supplementalInformation: ABSTRACT SUPPLIED BY ORIGINATOR: We compiled carbon isotope records from the North Atlantic, South Atlantic, and Pacific oceans to estimate changes in vertical and interbasinal δ13C gradients for the last 9 Myr. Benthic δ13C values of deep water in the South Atlantic decreased in a series of steps at ∼7, 2.75, and 1.55 Ma away from the North Atlantic and toward the Pacific. The benthic δ13C of intermediate water in the South Atlantic evolved differently from deep waters, resulting in an increase in the intermediate-to-deep δ13C gradient (Δ13CID). The Δ13CID increased in steps at ∼2.75 and 1.55 Ma, marking the development and intensification of a chemical divide in the Atlantic Ocean between well-ventilated intermediate water and poorly ventilated deep water. We suggest these changes in interbasinal and vertical gradients resulted from decreasing Northern Component Water and reduced ventilation of Southern Component Water (SCW). The latter was caused by several interrelated processes in Antarctic sources areas, including increased sea ice cover, enhanced surface water stratification, decreased Ekman-induced upwelling, and reduced vertical mixing across the thermocline. Because Antarctic surface water processes and deepwater ventilation rates ultimately influence atmospheric CO2 concentration, these processes may have acted as a positive feedback that contributed to the major cooling steps in late Neogene climate.
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fees: In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
orderingInstructions: Contact NCEI for other distribution options and instructions.
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