Wu Pute,Liu Puling,Wu Chuniong,et al.Study on the Changeable Process of Soil Erosion Spatial Distribution Characteristics on the Slope Surface[J].Research of Soil and Water Conservation,1997,4(02):41-46.
坡面侵蚀垂直分布特征动态变化过程初步研究
- Title:
- Study on the Changeable Process of Soil Erosion Spatial Distribution Characteristics on the Slope Surface
- Keywords:
- soil erosion process; erosion sediment; rare earth element (REE) tracing method; related erosion vield
- 摘要:
- 采用稀土元素（REE）示踪法对坡面侵蚀垂直分布特征动态变化过程进行了初步研究。结果表明．坡面侵蚀垂直分布特征在次降雨过程呈动态变化趋势．尽管在产流过程中相对侵蚀量的变化趋势基本相似．但比值差异很大，这主要取决于坡面径流的强度。此外、次降雨侵蚀产沙的垂直分布特征与侵蚀过程中产沙的分布特征差异亦很大，建议应加强侵蚀产沙过程的研究。
- Abstract:
- By the rare earth elernent (REE)tracing method, the changeable process of soilerosion spatial distribution characteristics on the slope surface was researched. The result showed that the soil erosionspatial distribution characteristics in a rainfall process ischangeable with the time the value of related erosion yield dependon the runoff intensity, and the spatialdistribution charac teristic of soil erosion in a rainfallis different with therainfall processso the author suggested that we should pay muchattention to the process of soil erosion and sediment yield.
参考文献/References:
1 田均良,周佩华等.土壤侵蚀RrE示踪法试验研究初报.水土保持学报.1992.(4)
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备注/Memo
收稿日期:1996-9-10