Sajama (Bolivia) Ice Core Data from the NOAA/NCDC Paleoclimatology Program
Entry ID: NOAA_NGDC_PALEO_BOLIVIA

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Summary
Abstract: Ice cores that were recovered from the summit of Sajama mountain in
Bolivia provide carbon-14-dated tropical records and extend to the
Late Glacial Stage (LGS). Oxygen isotopic ratios of the ice decreased
5.4 per mil between the Early Holocene and Last Glacial Maximum, which
is consistent with values from other ice cores. The abrupt onset and
termination of a Younger Dryas-type event suggest atmospheric
processes as the probable drivers. Regional accumulation increased
during the LGS, during deglaciation and over the past 3000 years,
which is concurrent with higher water levels in regional
paleolakes. Unlike polar cores, Sajama glacial ice contains eight
times less dust than the Holocene ice, which reflects wetter
conditions and extensive snow cover.
Related URL
Description: Documentation and access to Bolivia ice core data
Geographic Coverage
Spatial coordinates   
  N: -18.0   S: -18.0   E: -69.0   W: -69.0

Data Set Citation
Dataset Originator/Creator: Thompson, L.G.
Dataset Title: Sajama Ice Core Data
Dataset Release Date: January 2001
Dataset Release Place: Boulder, CO
Dataset Publisher: NOAA/NCDC Paleoclimatology Program
Issue Identification: Data Contribution Series #2001-009
Other Citation Details: IGBP PAGES/World Data Center for Paleoclimatology, NOAA/NCDC Paleoclimatology Program
Online Resource: http://www.ncdc.noaa.gov/paleo/pubs/thompson1998/sajama.html
Paleo Temporal Coverage
Paleo Start Date: 25,000 ybp
Paleo Stop Date: 0 ybp
Chrono Unit:
Data Set Progress
COMPLETE
Originating Center
Data Center
World Data Center for Paleoclimatology, Boulder Supplemental Info
Data Center URL: http://www.ncdc.noaa.gov/paleo/

Data Center Personnel
Name: WDC/PALEOCLIMATOLOGY, BOULDER
Phone: +1 (303) 497-6160
Fax: +1 (303) 497-6513
Email: paleo at noaa.gov
Contact Address:
World Data Center for Paleoclimatology
NOAA/NCDC Code E/GCx3
325 Broadway
City: Boulder
Province or State: CO
Postal Code: 80303
Country: USA
Distribution
Distribution Media: online www, ftp
Distribution Format: ascii
Fees: none
Personnel
Role: INVESTIGATOR
Phone: 614-292-6652
Email: thompson.3 at osu.edu
Contact Address:
Byrd Polar Research Center
Ohio State University
1090 Carmack Rd.
City: Columbus
Province or State: Ohio
Postal Code: 43210
Country: USA
Publications/References
Thompson, L.G., M.E.Davis, E.M.Thompson, T.A.Sowers, K.A.Henderson,
V.S.Zagorodnov, P.N.Lin, V.N. Mikhalenko, R.K.Campen, J.F.Bolzan,
J.Cole-Dai and B.Francou. 1998. A 25,000 year tropical climate history
from Bolivian ice cores. Science, 282(5295), 1858-1864.
Creation and Review Dates
DIF Creation Date: 2001-12-19
Last DIF Revision Date: 2005-06-17
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