Entry_ID: NSIDC-0311
Entry_Title: Trapped Gas Composition and Chronology of the Vostok Ice Core
Group: Data_Set_Citation
   Dataset_Creator: Michael Bender
   Dataset_Title: Trapped Gas Composition and Chronology of the Vostok Ice Core
   Dataset_Release_Date: 2007-07-10
   Dataset_Release_Place: Boulder, Colorado USA
   Dataset_Publisher: NSIDC: National Snow and Ice Data Center
   Online_Resource: http://nsidc.org/data/nsidc-0311.html
   Dataset DOI: http://dx.doi.org/10.7265/N5P26W12
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Michael
   Last_Name: Bender
   Email: bender@princeton.edu
   Phone: 1 609 258-2936 
   Group: Contact_Address
      Address: Princeton University
      Address: Department of Geosciences
      Address: M48 Guyot Hall
      City: Princeton
      Province_or_State: NJ
      Postal_Code: 08544
      Country: USA
   End_Group
End_Group
Group: Personnel
   Role: Investigator
   First_Name: Makoto
   Last_Name: Suwa
   Email: msuwa@princeton.edu
   Phone: 1 609 258-2756 
   Group: Contact_Address
      Address: Princeton University
      Address: Department of Geosciences
      Address: Guyot Hall
      City: Princeton
      Province_or_State: NJ
      Postal_Code: 08544
      Country: USA
   End_Group
End_Group
Group: Personnel
   Role: Technical Contact
   First_Name: NSIDC
   Last_Name: User Services
   Email: nsidc@nsidc.org
   Phone: 1 303 492-6199 x
   Fax: 1 303  492-2468 x
   Group: Contact_Address
      Address: National Snow and Ice Data Center
      Address: CIRES, 449 UCB
      Address: University of Colorado
      City: Boulder
      Province_or_State: CO
      Postal_Code: 80309-0449
      Country: USA
   End_Group
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Atmosphere
   Term: Atmospheric Chemistry
   Variable_Level_1: Nitrogen Compounds
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Atmosphere
   Term: Atmospheric Chemistry
   Variable_Level_1: Oxygen Compounds
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Cryosphere
   Term: Snow/Ice
   Variable_Level_1: Ice Depth/Thickness
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Paleoclimate
   Term: Ice Core Records
   Variable_Level_1: Ice Core Air Bubbles
   Detailed_Variable: Gas Age
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Paleoclimate
   Term: Ice Core Records
   Variable_Level_1: Ice Core Air Bubbles
   Detailed_Variable: Ice Age
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Paleoclimate
   Term: Ocean/Lake Records
   Variable_Level_1: Oxygen Isotopes
End_Group
Group: Parameters
   Category: EARTH SCIENCE
   Topic: Terrestrial Hydrosphere
   Term: Snow/Ice
   Variable_Level_1: Ice Depth/Thickness
End_Group
ISO_Topic_Category: Climatology/Meteorology/Atmosphere
Keyword: Antarctica
Keyword: Gas Age
Keyword: Ice Age
Keyword: Ice Core
Keyword: Ice Core Data
Keyword: Oxygen Isotopes
Keyword: Paleoclimate
Keyword: Vostok
Sensor_Name: MASS SPECTROMETERS
Source_Name: LABORATORY
Group: Temporal_Coverage
   Start_Date: 2003-09-01
   Stop_Date: 2006-06-30
End_Group
Group: Paleo_Temporal_Coverage
   Paleo_Start_Date: 400,000 ypb
   Paleo_Stop_Date: 115,000 ybp
End_Group
Data_Set_Progress: complete
Group: Spatial_Coverage
   Southernmost_Latitude: -72.4667
   Northernmost_Latitude: -72.4667
   Westernmost_Longitude: -106.8
   Easternmost_Longitude: -106.8
End_Group
Group: Location
   Location_Category: CONTINENT
   Location_Type: ANTARCTICA
   Detailed_Location: VOSTOK
End_Group
Data_Set_Language: English
Originating_Center: AGDC
Group: Data_Center
   Data_Center_Name: NSIDC > National Snow and Ice Data Center
   Data_Center_URL: http://nsidc.org
   Group: Personnel
      Role: Data Center Contact
      First_Name: NSIDC
      Last_Name: User Services
      Email: nsidc@nsidc.org
      Phone: 1 303 492-6199 
      Fax: 1 303  492-2468 
      Group: Contact_Address
         Address: National Snow and Ice Data Center
         Address: CIRES, 449 UCB
         Address: University of Colorado
         City: Boulder
         Province_or_State: CO
         Postal_Code: 80309-0449
         Country: USA
      End_Group
   End_Group
End_Group
Group: Data_Center
   Data_Center_Name: AGDC > Antarctic Glaciological Data Center
   Data_Center_URL: http://nsidc.org/agdc/
   Group: Personnel
      Role: Data Center Contact
      First_Name: AGDC
      Last_Name: User Services
      Email: nsidc@nsidc.org
      Phone: 1 303 492-6199 x
      Fax: 1 303  492-2468 x
      Group: Contact_Address
         Address: National Snow and Ice Data Center
         Address: CIRES, 449 UCB
         Address: University of Colorado
         City: Boulder
         Province_or_State: CO
         Postal_Code: 80309-0449
         Country: USA
      End_Group
   End_Group
End_Group
Group: Distribution
   Distribution_Media: FTP
   Distribution_Size: 281 KB
   Distribution_Format: Microsoft Excel
End_Group
Group: Reference

   Bender, M. L. 2002. Orbital tuning chronology for the Vostok climate record 
   supported by trapped gas composition. Earth and Planetary Science Letters 
   204(1), 275-289.

   Petit, J. J., J. Jouzel, D. Raynaud, N. I. Barkov, J.-M. Barnola, I. Basile, 
   M. Bender, et al. 1999. Climate and atmospheric history of the past 420,000 
   years from the Vostok ice core, Antarctica. Nature 399, 429-436.

   Suwa, M. 2007. Chronologies for ice cores constrained by their gas records and 
   their implications for climate history for the past 400,000 years. PhD thesis, 
   Princeton University, Princeton, NJ.

   Suwa, M., and M. Bender. In press. Chronology of the Vostok ice core 
   constrained by O2/N2 ratios of occluded air, and its implication for the 
   Vostok climate records. Quaternary Science Reviews.

End_Group
Group: Summary

   This data set includes a time scale for the Vostok ice core, retrieved from 
   Vostok Station on the East Antarctic Plateau. This chronology is derived by 
   orbitally tuning to molecular oxygen to nitrogen (O2/N2) 
   ratios in occluded air for depths deeper than 1550 m (greater than 112,000 
   years old), and by gas correlation to the Greenland Ice Sheet Project 2 
   (GISP2) chronology for the ice core section that is shallower than 1422 m 
   (less than 102,000 years old). Because of poor gas preservation in air bubbles 
   in shallower depths, investigators could only constrain the Vostok chronology 
   for the section deeper than 1550 m by O2/N2. Thus for 
   the shallower section of the core, they synchronized the Vostok delta 
   oxygen-18 (δ18O) and methane (CH4) measurements to 
   those of the GISP2 to obtain the chronology (see Bender, et al. 2006). Note, 
   CH4 data are not included in this data set.

   Investigators analyzed the O2/N2  and the 
   δ18O record ratios for approximately the past 
   115,000 to 400,000 years in the Vostok ice core. They combined new 
   measurements for O2/N2 and δ18O with 
   data from Bender (2002) and Petit, et al. (1999), respectively.

   Data are in Microsoft Excel format and are available via FTP.

End_Group
Group: Related_URL
   Group: URL_Content_Type
      Type: VIEW RELATED INFORMATION
   End_Group
   URL: http://nsidc.org/data/nsidc-0107.html
   Group: Description

      Concentration and Isotopic Composition of O2 and N2 in Trapped Gases of the 
      Vostok Ice Core

   End_Group
End_Group
Group: Related_URL
   Group: URL_Content_Type
      Type: VIEW RELATED INFORMATION
   End_Group
   URL: http://nsidc.org/data/nsidc-0242.html
   Description: Vostok Ice Core Chemistry, Timescale, Isotope, and Temperature Data
End_Group
IDN_Node: AMD/US
Metadata_Name: CEOS IDN DIF
Metadata_Version: 9.7
DIF_Creation_Date: 2007-07-10
Last_DIF_Revision_Date: 2013-03-18
DIF_Revision_History:  Added DOI