| SPELEOTHEMS |
Polyak and Asmerom 2001 Southwestern US Stalagmite and Climate Reconstruction Data
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Polyak, V.J.;Asmerom, Y. 2001 Late Holocene Climate and Cultural Changes in the Southwestern United States Science Vol. 294,
pp. 148-151.
| Data Coverage |
North: 32.18 * South: 32.18 |
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West: -104.44 * East: -104.44 |
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Altitude: 1340 m |
Start Year: -882 AD
End Year: 1789 AD
Data: Please Cite Data Contributors!
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Summary: Columnar stalagmites in caves of the Guadalupe Mountains during the late Holocene record a 4000-year annually resolved climate
history for the southwestern United States. Annual banding, hiatuses, and high-precision uranium-series dating show a present
day-like climate from 4000 to 3000 years ago, following a drier middle Holocene. A distinctly wetter and cooler period from
3000 to 800 years ago was followed by a period of present day-like conditions, with the exception of a slightly wetter interval
from 440 to 290 years before the present. The stalagmite record correlates well with the archaeological record of changes
in cultural activities of indigenous people. Such climate change may help to explain evidence of dwelling abandonment and
population redistribution.
More Info on Speleothems |
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Complete XML Record: noaa-cave-5417
(Last Revised: 2007-10-18 )
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DOC/NOAA/NESDIS/NCDC (National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce )
325 Broadway, E/CC23
Boulder, CO 80305
USA
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| http://www.ncdc.noaa.gov/paleo/ |
| E-mail: bruce.a.bauer@noaa.gov |
| E-mail: paleo@noaa.gov |
Phone: 303-497-6280
Fax: 303-497-6513
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