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区域水土流失过程及其定量描述的初步研究 被引量:12

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摘要 水土流失是一个多时空尺度,空间尺度包括坡面、小流域和区域等层次。不同尺度具有不同的主导性过程。区域尺度水土流失过程包括了产流产沙过程,水沙物质汇集和传输过程,水土流失治理过程三个子过程,基于已有坡面、小流域和区域水土流失模型研究和区域水土流失因子试验研究成果,可以实现对区域水土流失过程的定量描述。
出处 《亚热带水土保持》 2006年第2期20-23,31,共5页 Subtropical Soil and Water Conservation
基金 中国科学院知识创新重要方向项目:黄土高原水土保持的区域环境效应研究 合同号:KZCX3-SW-421 黄河水利委员会项目:区域水土流失模型试验研究 合同号:2004SZ01-04
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