Journal of Geographical Sciences, Volume. 30, Issue 1, 119(2020)
Multi-scale temperature variations and their regional differences in China during the Medieval Climate Anomaly
Figures & Tables(4)
Fig. 1. Temperature reconstructions for China (a) and different regions of China (b-f)
Fig. 2. EEMD analysis of reconstructed temperature series for different regions in China
Table 1.
Information for published temperature reconstruction series by historical documents and natural evidence
View tableView in ArticleTable 1.
Information for published temperature reconstruction series by historical documents and natural evidence
Region Proxy Spatial coverage Indicator Reconstructed period Time resolution Reference Northeast China Integrated from 5 series including δ18O in peat, long-chain alkenone, stalagmite microlayer thickness, and warm/cold records. About 110 º-130 ºE, 36 º-50 ºN Annual mean temperature AD 1-2000 10 yr Ge et al ., 2013aNorthwest China Integrated from 2 series of juniper tree ring width from the northern slope of Qilian Mountain. About 80 º-110ºE, 38ºN to the north border Annual mean temperature AD 850-2000 10 yr Ge et al ., 2013aCentral-east China Integrated from 11 series of historical warm/cold records, 3 of which started from 1380 and 8 of which started from 1470. About 105º-122 ºE, 24 º-36 ºN Annual mean temperature AD 1-2000 10 yr Ge et al ., 2013aTibetan Plateau Integrated from 8 series including δ18O in ice cores, juniper tree ring width, total organic carbon, and long-chain alkenone. About 80 º-102 ºE, 25º-38 ºN Annual mean temperature AD 1-2000 10 yr Ge et al ., 2013aEastern Tibetan Plateau Integrated from 12 chronologies from tree ring width. 87 º-102ºE, 27 º-38ºN, 3100-4500 m Mean temperature from June to August AD 1000-2005 1 yr Wang et al ., 2015
Table 2.
Explained variance by IMFs combination for regional reconstructions
View tableView in ArticleTable 2.
Explained variance by IMFs combination for regional reconstructions
IMF Northeast China Northwest China Central-east China Tibetan Plateau Eastern Tibetan Plateau IMF 1 29.5% 24.5% 11.3% 31.5% 42.7% IMF 2+3 29.1% 28.6% 40.7% 25.9% 38.0% IMF ≥4 21.9% 46.7% 29.7% 34.3% 18.7%
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Zhixin HAO, Maowei WU, Yang LIU, Xuezhen ZHANG, Jingyun ZHENG. Multi-scale temperature variations and their regional differences in China during the Medieval Climate Anomaly[J]. Journal of Geographical Sciences, 2020, 30(1): 119
Paper Information
Received: Jul. 8, 2019
Accepted: Aug. 16, 2019
Published Online: Sep. 29, 2020
The Author Email: ZHENG Jingyun (zhengjy@igsnrr.ac.cn)
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