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一种冲沟沟头溯源侵蚀速率的快速监测方法
熊东红; 翟娟; 李佳佳; 杨丹; 卢晓宁; 苏正安; 董一帆
2014-08-18
Date Available2014-12-15 ; 2014-12-15 ; 2014-12-15
Country中国
Subtype发明专利
Abstract本发明公开一种冲沟沟头溯源侵蚀的快速监测方法,属土壤侵蚀领域。该方法是在冲沟集水区内沟头发育的方向上,设置两个基准桩,并建立以两个基准桩连线为x轴、基准桩连线的中垂线为y轴的沟头形态位置坐标系;通过测定的沟头边缘上各点到两个基准点的距离,求得沟头上各点的坐标值,并拟合出该时段沟头边缘的形态曲线;每两个监测时段得到的形态曲线进行积分,得到两个监测时间段内冲沟前进的侵蚀面积变化;最后根据量测的沟头下切深度变化得到沟头的侵蚀体积量,侵蚀体积量除以监测的时间即为该时段内的沟头溯源侵蚀速率。该方法所用仪器简单,操作简便,成本低廉,尤其适用于野外复杂的地形条件,可较准确地测定沟头溯源侵蚀速率。
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Application Date2011-12-28
Patent NumberZL201110446055.1
Application NumberZL201110446055.1
Patent Agent湖北武汉永嘉专利代理有限公司 42102
Document Type专利
Identifierhttp://ir.imde.ac.cn/handle/131551/7548
Collection山地灾害与地表过程重点实验室
Recommended Citation
GB/T 7714
熊东红,翟娟,李佳佳,等. 一种冲沟沟头溯源侵蚀速率的快速监测方法. ZL201110446055.1[P]. 2014-08-18.
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