Temporal and Spatial Characteristics of Rainfall Erosivity in Southeast Fujian Province During 1980-2009
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    Abstract:

    [Objective] Studying the distribution pattern of rainfall erosivity in the southeastern area of Fujian Province to privide basis for soil erosion control and soil and water conservation plan.[Methods] Based on the data from 26 rainfall station in the Southeastern Fujian Province during 1980-2009, simple algorithm for rainfall erosivity was used.[Results] Rainfall erosivity in Southeastern Fujian Province showed a bimodal distribution as it occoured mainly from May to August. Rainfall erosivity varied greatly over years. The highest value was 725.39 (MJ·mm)/(hm2·h) occurred in 2006, while the lowest value was 253.82 (MJ·mm)/(hm2·h) occurred in 1982, with the extreme ratio of 2.86. Rainfall erosivity in Southeast Fujian Province during the past 30 years did not showed abrupt changes.[Conclusion] Rainfall erosivity showed an uneven distribution pattern with increasing trend from coast to inland, and the value was comparatively higher in southwest than that in northeast.

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崔晓燕,查轩,黄少燕.1980-2009年闽东南地区降雨侵蚀力的时空分布特征[J].水土保持通报英文版,2015,35(1):1-4,24

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History
  • Received:June 07,2014
  • Revised:July 16,2014
  • Adopted:
  • Online: April 05,2016
  • Published: