Physics
Scientific paper
Jan 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jastp..70..138x&link_type=abstract
Journal of Atmospheric and Solar-Terrestrial Physics, Volume 70, Issue 1, p. 138-144.
Physics
4
Scientific paper
Temperature variations at Lake Qinghai, northeastern Qinghai Tibet plateau, were reconstructed based on four high-resolution temperature indicators of the δ18O and the δ13C of the bulk carbonate, total carbonate content, and the detrended δ15N of the organic matter. There are four obvious cold intervals during the past 600 years at Lake Qinghai, namely 1430 1470, 1650 1715, 1770 1820, and 1920 1940, synchronous with those recorded in tree rings at the northeast Qinghai Tibet plateau. The intervals of 1430 1470, 1650 1715, and 1770 1820 are consistent with the three coldest intervals of the Little Ice Age. These obvious cold intervals are also synchronous with the minimums of the sunspot numbers during the past 600 years, suggesting that solar activities may dominate temperature variations on decadal scales at the northeastern Qinghai Tibet plateau.
Hou Zhaohua
Liu Xiaoyan
Xu Haibin
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