[1]LIU Jun-ju,DU Guo-yun,SUN Zhu-you,et al.Analysis of the Drought-flood Characteristic from 1951 to 1999 in Dezhou City[J].Research of Soil and Water Conservation,2008,15(01):173-175.
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Analysis of the Drought-flood Characteristic from 1951 to 1999 in Dezhou City
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
15
Number of periods:
2008 01
Page number:
173-175
Column:
Public date:
2008-02-20
- Title:
- Analysis of the Drought-flood Characteristic from 1951 to 1999 in Dezhou City
- Keywords:
- Dezhou city; Z-index; drought-flood characteristic
- CLC:
- P426.616
- DOI:
- -
- Abstract:
- The precipitation and the disaster area data in Dezhou 1951-1999 and the relativity between them are analyzed.It compartmentalized seven drought-flood grades by Z-index.The perennial variety current and the interfix coefficient between precipitation and disaster area are given.It indicates that there is more and more droughty trend latter 50 years in Dezhou.In general, the majority of years are waterlogged before 1975 except few years and the years of severe flood in 1953, 1961 and 1964; while after 1975, it appears contrary case and the year of severe drought in 1981.There are more and more drought area and less and less flood area and 60-70’s is the turning point.The precipitation index provides a possible way to forecast the drought or flood in this city.
- References:
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Last Update:
1900-01-01