Comparison of the dryness/wetness index in China with the Monsoon Asia Drought Atlas
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It is not clear how the frequency and amplitude of droughts have varied over the past 500 years in China, as the instrumental record is too short to identify centennial-scale trends. While the Monsoon Asia Drought Atlas (MADA) provides some insights into past drought patterns, its accuracy in eastern China remains uncertain. A comparison of the MADA and Chinese historical documents indicates that the MADA alone cannot effectively represent dryness and wetness in eastern China, so it is not appropriate to use the MADA in this region.
KeywordsPalmer Drought Severity Index Yangtze River Valley Empirical Orthogonal Function Analysis Lower Factor Loading Drought Variability
We are grateful to Dave Chandler, Sen Zhao and three anonymous reviewers for fruitful comments and suggestions. This study was jointly funded by the National Basic Research Program of China (973 Program) (2012CB957804), the CAS Strategic Priority Research Program (XDA05080801), Chinese Academy of Sciences 100 Talents Project (29082762) and the National Natural Science Foundation of China (41030961). Fengmei Yang was supported by Forty-ninth batch of China Postdoctoral Science Foundation (2012 T50829) and China Meteorological Administration Drought Research Fund (IAM201109). Feng Shi was supported by the China Meteorological Administration Drought Research (IAM201213) and the West Light Program for Talent Cultivation of Chinese Academy of Sciences.
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