Soil erosion along a long slope in the gentle hilly areas of black soil region in Northeast China
东北黑土漫岗区长坡面坡耕地侵蚀产沙沿程变化
查看参考文献15篇
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文摘
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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 seg-ments 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 inten-sive precipitation,rill can be formed starting even at 15 m from the top of the slope. |
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来源
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Journal of Geographical Sciences
,2007,17(3):375-383 【核心库】
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DOI
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10.1007/s11442-007-0375-4
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关键词
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gentle hilly black soil region
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alternative change
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erosion zone
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plant hedgerow
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地址
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1.
Institute of Geographic Sciences and Natural Resources Research, CAS, Key Laboratory of Water Cycle and Related Land Surface Processes, CAS, Beijing, 100101
2.
College of Water Resources; Shenyang Agricultural University, Shenyang, 110161
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1009-637X |
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学科
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自然地理学 |
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基金
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国家973计划
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Knowledge Innovation Project of Institute of Geographic Sciences and Natural Resources Research,CAS
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中国科学院“百人计划”项目
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文献收藏号
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CSCD:2845664
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