Monsoonal precipitation variation in the East Asia since A.D. 1840 |
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| Authors: | Email author" target="_blank">Yu?LiuEmail author Park?Won-Kyu Qiufang?Cai Seo?Jung-Wook Jung?Hyun-Sook |
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| Institution: | (1) The State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, 710075 Xi’an, China;(2) School of Forest Resources, Chungbuk National University, 361-763 Cheongju, Korea;(3) Meteorological Research Institute, Korea Meteorological Administration, 156-720 Seoul, Korea |
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| Abstract: | Three tree-ring rainfall reconstructions from China and Korea are used in this paper to investigate the East Asian summer
monsoon-related precipitation variation over the past 160 years. Statistically, there is no linear correlation on a year-by-year
basis between Chinese and Korean monsoon rainfall, but region-wide synchronous variation on a decadal-scale was observed.
More rainfall intervals were 1860–1890, 1910–1925, and 1940–1960, and dry or even drought periods were 1890–1910, 1925–1940,
and 1960–present. Reconstructions also display that the East Asian summer monsoon precipitation suddenly changed from more
into less around mid-1920. These tree-ring precipitation records were also confirmed by Chinese historical dryness/wetness
index and Korean historical rain gauge data. |
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| Keywords: | China Korea tree-ring precipitation reconstruction East Asian summer monsoon precipitation |
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