刘普灵, 武春龙, 琚彤军, 杨明义. 稀土元素示踪法在坡面土壤侵蚀垂直分布研究中的应用[J]. 水科学进展, 2001, 12(3): 331-335.
引用本文: 刘普灵, 武春龙, 琚彤军, 杨明义. 稀土元素示踪法在坡面土壤侵蚀垂直分布研究中的应用[J]. 水科学进展, 2001, 12(3): 331-335.
LIU PU-ling, WU Chun-long, JU Tong-jun, YANG Ming-yi. Study on vertical Distribution of Soil Erosion on Loess slope[J]. Advances in Water Science, 2001, 12(3): 331-335.
Citation: LIU PU-ling, WU Chun-long, JU Tong-jun, YANG Ming-yi. Study on vertical Distribution of Soil Erosion on Loess slope[J]. Advances in Water Science, 2001, 12(3): 331-335.

稀土元素示踪法在坡面土壤侵蚀垂直分布研究中的应用

Study on vertical Distribution of Soil Erosion on Loess slope

  • 摘要: 通过野外全坡长侵蚀小区试验,证明了稀土元素示踪法在土壤侵蚀垂直分布研究中的可应用性。结果表明该径流小区产沙强度坡长存在三种变化模式:增长型,增长 递减型和波动型,其形成机理可能与径流过程有关。利用稀土元素在坡面的再分析,初步建立了估算坡面沟蚀率的关系式。

     

    Abstract: The vertical variability is one of basic components of soil erosion on loess slope.The experiments on a erosion plot have firstly revealed that the vertical distribution pattern of sediment yield have three types:the continued-increasing type,the increase-decreasing type and the wave type.We have primarily developed a method estimating ration of rill erosion according to redistribution of the rare earth element on loess slope.

     

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