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Where and when did an abrupt climatic change occur in China during the last 43 years?

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Summary

A climatic regionalization of the atmospheric drought indices (ADI) in both winter and summer over China was carried out utilizing orthogonally rotated principal component (RPC) analysis. An abrupt climatic change in the last 43 years was identified with the Mann-Kendall test, the sequential t-test, and the criterion of signal/noise for time series of the regional ADI in winter and summer. The results obtained with three statistic tests were also compared.

It is found that a drought in winter persisted for almost 21 years from around 1972, and a slightly persistent drought in summer started from around 1961 in the Northern part of China. In addition, a summer climatic jump to a drought appeared around 1979 in South China. However, a weak abrupt change from drought to a wet spell in summer occurred around 1970 in Middle China during the period from 1959 to 1984.

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Authors and Affiliations

  1. Beijing Meteorological College, Beijing, China

    J. -M. Jiang & X. -T. You

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  1. J. -M. Jiang
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  2. X. -T. You
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Jiang, J.M., You, X.T. Where and when did an abrupt climatic change occur in China during the last 43 years?. Theor Appl Climatol 55, 33–39 (1996). https://doi.org/10.1007/BF00864701

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  • DOI: https://doi.org/10.1007/BF00864701

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