NOAA/WDS Paleoclimatology - Dome Fuji Wet Extraction Gas Data (15N, O2/N2, Ar/N2) for the Past 173 kyrs
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organisationName: NOAA World Data Service for Paleoclimatology
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title: NOAA/WDS Paleoclimatology - Dome Fuji Wet Extraction Gas Data (15N, O2/N2, Ar/N2) for the Past 173 kyrs
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date: 2022-01-13
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code: noaa-icecore-35259
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code: NCEI DSI 1200_02
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individualName: Oyabu, I.
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individualName: Kawamura, K.
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individualName: Kitamura, K.
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individualName: Kitamura, K.
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individualName: Hirabayashi, M.
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individualName: Hirabayashi, M.
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individualName: Aoki, S.
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individualName: Morimoto, S.
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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 Ice Core. The data include parameters of ice cores with a geographic location of Antarctica. The time period coverage is from 173415 to 443 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 temperature, precipitation, atmospheric trace gases, and other aspects of climate and environment derived from ice cores drilled on glaciers and ice caps around the world. 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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keyword: Earth Science > Climate Indicators > Paleoclimate Indicators > Ice Core Records
keyword: Earth Science > Paleoclimate > Ice Core Records
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keyword: earth science > paleoclimate > ice cores
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keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
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keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
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keyword: earth science > paleoclimate > ice cores
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keyword: earth science > paleoclimate > ice cores
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keyword: earth science > paleoclimate > ice core > atmospheric gas
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keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: delta 15N; Material: nitrogen gas
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: delta 15N; Material: nitrogen gas
keyword: What: delta 15N; Material: nitrogen gas
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: delta 15N; Material: nitrogen gas
keyword: What: delta 18O; Material: oxygen gas
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: depth at sample start; Material: null
keyword: What: depth; Material: null
keyword: What: gas age; Material: null
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: delta 15N; Material: nitrogen gas
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: delta 15N; Material: nitrogen gas
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: depth at sample end; Material: null
keyword: What: delta 18O; Material: oxygen gas
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: ice age; Material: null
keyword: What: delta Ar/N2; Material: bulk atmosphere
keyword: What: delta 15N; Material: nitrogen gas
keyword: What: delta O2/N2; Material: bulk atmosphere
keyword: What: delta O2/N2; Material: bulk atmosphere
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keyword: Continent > Antarctica > Dome Fuji > LATITUDE -77.32 > LONGITUDE 38.7
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otherConstraints: Cite as: Oyabu, I.; Kawamura, K.; Kitamura, K.; Hirabayashi, M.; Aoki, S.; Morimoto, S.; Nakazawa, T. (2022-01-13): NOAA/WDS Paleoclimatology - Dome Fuji Wet Extraction Gas Data (15N, O2/N2, Ar/N2) for the Past 173 kyrs. [indicate subset used]. NOAA National Centers for Environmental Information. https://www.ncei.noaa.gov/access/paleo-search/study/35259. Accessed [date].
resourceConstraints: Distribution Liability (MD_LegalConstraints)
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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: 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: Fractionation of O2/N2 and Ar/N2 in the Antarctic ice sheet during bubble formation and bubble–clathrate hydrate transition from precise gas measurements of the Dome Fuji ice core
date: (CI_Date)
date: 2021
dateType: (CI_DateTypeCode) publication
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individualName: Oyabu, I., Kawamura, K., Uchida, T., Fujita, S., Kitamura, K., Hirabayashi, M., Aoki, S., Morimoto, S., Nakazawa, T., Severinghaus, J.P., and Morgan, J.D.
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organisationName: The Cryosphere
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linkage: https://doi.org/10.5194/tc-15-5529-2021
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description: Oyabu, I., Kawamura, K., Uchida, T., Fujita, S., Kitamura, K., Hirabayashi, M., Aoki, S., Morimoto, S., Nakazawa, T., Severinghaus, J.P., and Morgan, J.D., 2021: Fractionation of O2/N2 and Ar/N2 in the Antarctic ice sheet during bubble formation and bubble–clathrate hydrate transition from precise gas measurements of the Dome Fuji ice core. The Cryosphere, 15, 5529-5555, 10.5194/tc-15-5529-2021
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description: Date Range: 173415 cal yr BP to 443 cal yr BP;
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westBoundLongitude: 38.7
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southBoundLatitude: -77.32
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supplementalInformation: STUDY NOTES: Ice core gas data (15N, O2/N2, Ar/N2) from the Dome Fuji, Antarctica for the past 173 kyrs. Provided Keywords: ice cores, atmosphere ABSTRACT SUPPLIED BY ORIGINATOR: The variations of dO2/N2 and dAr/N2 in the Dome Fuji ice core were measured from 112 m (bubbly ice) to 2001 m (clathrate hydrate ice). Our method, combined with the low storage temperature of the samples (-50 °C), successfully excludes post-coring gas-loss fractionation signals from our data. From the bubbly ice to the middle of the bubble-clathrate transition zone (BCTZ) (112 – 800 m) and below the BCTZ (>1200 m), the dO2/N2 and dAr/N2 data exhibit orbital-scale variations similar to local summer insolation. The data in the lower BCTZ (800 – 1200 m) have large scatters, which may be caused by mm-scale inhomogeneity of air composition combined with finite sample lengths. The insolation signal originally recorded at the bubble close-off remains through the BCTZ, and the insolation signal may be reconstructed by analyzing long ice samples (more than 50 cm for the Dome Fuji core). In the clathrate hydrate zone, the scatters around the orbital-scale variability decrease with depth, indicating diffusive smoothing of dO2/N2 and dAr/N2. A simple gas diffusion model was used to reproduce the smoothing and thus constrain their permeation coefficients. The relationship between dAr/N2 and dO2/N2 is markedly different for the datasets representing bubble close-off (slope ~0.5), bubble-clathrate hydrate transformation (~1), and post-coring gas-loss (~0.2), suggesting that the contribution of the mass-independent and mass-dependent fractionation processes are different for those cases. The method and data presented here may be useful for improving the orbital dating of deep ice cores over the multiple glacial cycles and further studying non-insolation-driven signals (e.g., atmospheric composition) of these gases.
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