Analysis of Drought in Northern China Based on the Palmer Severity Drought Index

  • Institute of Atmospheric Physics, CAS, Beijing 100029, China

Received date: 2003-03-15

  Revised date: 2003-06-11

  Online published: 2003-12-25

Supported by

National Key Planning Development for Basic Research, No.G199904305; Impacts of Ocean-Land-Atmosphere Interactions over theEast Asian Monsoon Region on the Climate in China


Drought during the period 1999-2000 in North China is studied by using monthly mean temperature and precipitation data from 160 stations covering January 1951 to October 2000. The revised Palmer drought severity index (PDSI) of the 160 stations covering the same period was also calculated. It is found that the protracted drought was a manifestation of an abnormal form of general circulation. The PDSI can characterize the temporal and spatial distributions of remarkable droughts and floods in China. During 1999-2000 there was a persistent negative PDSI in North China, the PDSI also shows that there is a marked interannual and interdecadal variation of drought in North China. From 1950-1970 there is a wet summer climate, while since 1970 there have been more drought years in North China.

Cite this article

WEI Jie, TAO Shiyan, ZHANG Qingyun . Analysis of Drought in Northern China Based on the Palmer Severity Drought Index[J]. Acta Geographica Sinica, 2003 , 58(7s) : 91 -99 . DOI: 10.11821/xb20037s011


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