A Speleothem Record of Younger Dryas Cooling, Klamath Mountains, Oregon, USA

A well-dated δ 18O record in a stalagmite from a cave in the Klamath Mountains, Oregon, with a sampling interval of 50 yr, indicates that the climate of this region cooled essentially synchronously with Younger Dryas climate change elsewhere in the Northern Hemisphere. The δ 18O record also indicate...

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Published inQuaternary research Vol. 64; no. 2; pp. 249 - 256
Main Authors Vacco, David A., Clark, Peter U., Mix, Alan C., Cheng, Hai, Edwards, R. Lawrence
Format Journal Article
LanguageEnglish
Published New York, USA Cambridge University Press 01.09.2005
Elsevier Inc
Elsevier
Subjects
America
Bgi / Prodig
Klamath Mountains
Physical geography
Short Paper
Stalagmite
United States of America
Younger Dryas
Oregon
United States of America
USA, California, Klamath Mts
Stalagmite
Younger Dryas
Klamath Mountains
Cave
Oxygen 18
Quaternary
Isotope analysis
Speleothem
Palaeoclimatology
Carbon
Climatic cooling
Ocean atmosphere interaction
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Summary:A well-dated δ 18O record in a stalagmite from a cave in the Klamath Mountains, Oregon, with a sampling interval of 50 yr, indicates that the climate of this region cooled essentially synchronously with Younger Dryas climate change elsewhere in the Northern Hemisphere. The δ 18O record also indicates significant century-scale temperature variability during the early Holocene. The δ 13C record suggests increasing biomass over the cave through the last deglaciation, with century-scale variability but with little detectable response of vegetation to Younger Dryas cooling.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0033-5894
1096-0287
DOI:10.1016/j.yqres.2005.06.008