Characteristics of Sediment Yield and Its Influencing Factors on Jiagu Hillside in Ganyu County
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    Abstract:

    The research area is located on Jiagu hillside of Lianyungang City, Jiangsu Province. Soil there is granitic gneiss gravelly sandy loam. The characteristics of sediment yield and its influencing factors were analyzed based on rainfall and soil erosion data under six kinds of typical land uses in the past 20 years. Results showed that: (1) The annual sediment yield in different land utilizations increased with the annual rainfall amount, except terrace. (2) The annual sediment yield in different landuse types had significant differences. The land use types, in order of decreasing average annual soil loss, were the slope farming area, standard area, commercial forest area, grassland area, timber forest area and terrace area. Under different landuse patterns, terrace was most effective in controlling soil erosion and contrarily, slope farming area had the largest soil erosion. (3) Under different land uses, the relationship between sediment yield on hillside and rainfall erosivity could be expressed by a power function, with a high correlation coefficient reaching extremely significant level.

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夏美玲,高之栋,周岩,王新军,赵言文.赣榆县夹谷山坡面侵蚀产沙特征及其影响因素[J].水土保持通报英文版,2014,(2):11-14,19

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History
  • Received:April 07,2013
  • Revised:May 18,2013
  • Adopted:
  • Online: March 29,2016
  • Published: