Reconstructions of annual summer precipitation and temperature innorth-central China since 1470 AD based on drought/flood index andtree-ring records

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	Reconstructions of annual summer precipitation and temperature innorth-central China since 1470 AD based on drought/flood index andtree-ring records
	Yi, Liang; Yu, Hongjun; Ge, Junyi; Lai, Zhongping; Xu, Xingyong; Qin, Li; Peng, Shuzhen
	2012
发表期刊	CLIMATIC CHANGE
ISSN	0165-0009
卷号	110 期号:1-2 页码:469-498
摘要	The understanding of the ongoing climate change needs high-resolution records of the past, which are difficult to obtain in north-central China. Historical documents are unique materials for high-resolution (up to season) climate change reconstruction. Here, we report an attempt of quantitative climate reconstruction covering the main part of north-central China, by combining historical drought/flood index and tree-ring data. The rigorous verification tests confirm the fidelity of transfer functions used in the reconstructions. The precipitation and temperature anomalies/intervals were then defined based on the reconstructions. Finally, the intensity of several big droughts recorded in historical documents was re-examined and the dominant and recessive patterns of heat/water changes within the study area were identified. We concluded that (1) the droughts, occurred during the years of 1484 AD, 1585-1587 AD, 1689-1691 AD, 1784-1786 AD and 1876-1878 AD, were the results of rainless and torrid combination; (2) the droughts, occurred during the years of 1560-1561 AD, 1599-1601 AD, 1609 AD, 1615-1617 AD, 1638-1641 AD and 1899-1901 AD, were first caused by rainless summer, and then controlled by low precipitation and/or high temperature; (3) the droughts, occurred during the years of 1527-1529 AD, 1720-1722 AD, 1813-1814 AD, 1856-1857 AD and 1926-1930 AD, were first caused by torrid summer, and then controlled by both low precipitation and high temperature; (4) the dominant climate pattern within the study area consisted of warm-dry and cold-wet alternations, and the recessive pattern consisted of cold-dry and warm-wet alternations. We also showed that the drought/flood index is a valuable climate proxy in quantitative reconstructions, especially in places where tree-ring data is not available. The understanding of the ongoing climate change needs high-resolution records of the past, which are difficult to obtain in north-central China. Historical documents are unique materials for high-resolution (up to season) climate change reconstruction. Here, we report an attempt of quantitative climate reconstruction covering the main part of north-central China, by combining historical drought/flood index and tree-ring data. The rigorous verification tests confirm the fidelity of transfer functions used in the reconstructions. The precipitation and temperature anomalies/intervals were then defined based on the reconstructions. Finally, the intensity of several big droughts recorded in historical documents was re-examined and the dominant and recessive patterns of heat/water changes within the study area were identified. We concluded that (1) the droughts, occurred during the years of 1484 AD, 1585-1587 AD, 1689-1691 AD, 1784-1786 AD and 1876-1878 AD, were the results of rainless and torrid combination; (2) the droughts, occurred during the years of 1560-1561 AD, 1599-1601 AD, 1609 AD, 1615-1617 AD, 1638-1641 AD and 1899-1901 AD, were first caused by rainless summer, and then controlled by low precipitation and/or high temperature; (3) the droughts, occurred during the years of 1527-1529 AD, 1720-1722 AD, 1813-1814 AD, 1856-1857 AD and 1926-1930 AD, were first caused by torrid summer, and then controlled by both low precipitation and high temperature; (4) the dominant climate pattern within the study area consisted of warm-dry and cold-wet alternations, and the recessive pattern consisted of cold-dry and warm-wet alternations. We also showed that the drought/flood index is a valuable climate proxy in quantitative reconstructions, especially in places where tree-ring data is not available.
文献类型	期刊论文
条目标识符	http://ir.isl.ac.cn/handle/363002/2085
专题	青海盐湖研究所知识仓储
推荐引用方式 GB/T 7714	Yi, Liang,Yu, Hongjun,Ge, Junyi,et al. Reconstructions of annual summer precipitation and temperature innorth-central China since 1470 AD based on drought/flood index andtree-ring records[J]. CLIMATIC CHANGE,2012,110(1-2):469-498.
APA	Yi, Liang.,Yu, Hongjun.,Ge, Junyi.,Lai, Zhongping.,Xu, Xingyong.,...&Peng, Shuzhen.(2012).Reconstructions of annual summer precipitation and temperature innorth-central China since 1470 AD based on drought/flood index andtree-ring records.CLIMATIC CHANGE,110(1-2),469-498.
MLA	Yi, Liang,et al."Reconstructions of annual summer precipitation and temperature innorth-central China since 1470 AD based on drought/flood index andtree-ring records".CLIMATIC CHANGE 110.1-2(2012):469-498.

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