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Journal of Geographical Sciences

, Volume 17, Issue 3, pp 375–383 | Cite as

Soil erosion along a long slope in the gentle hilly areas of black soil region in Northeast China

  • Cui Ming 
  • Cai Qiangguo Email author
  • Zhu Axing 
  • Fan Haoming 
Article

Abstract

Characteristics of soil erosion change along a long slope in the gentle hilly areas in black soil region in Northeast China are discussed. A simplified slope model based on segments was used to analyze the runoff data and soil erosion data observed between 2003 and 2004 over 10 field plots with different slope length in Heshan Farm, Heilongjiang Province. We found that soil erosion rate over long slopes in the black soil region changed alternatively along the slope and creates alternative zones of intensive erosion and week erosion. The exact place of each zone is different for different rainfall conditions. In a year with less and mild precipitation, rill cannot happen within the top 50 m, while in a year with large and intensive precipitation, rill can be formed starting even at 15 m from the top of the slope.

Keywords

gentle hilly black soil region alternative change erosion zone plant hedgerow 

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Copyright information

© Science in China Press 2007

Authors and Affiliations

  • Cui Ming 
    • 1
  • Cai Qiangguo 
    • 1
    Email author
  • Zhu Axing 
    • 1
    • 2
  • Fan Haoming 
    • 3
  1. 1.Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources ResearchCASBeijingChina
  2. 2.Department of GeographyUniversity of WisconsinMadisonUSA
  3. 3.College of Water ResourcesShenyang Agricultural UniversityShenyangChina

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