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题名: 用~(137)Cs法研究农耕地坡面土壤侵蚀空间分布特征初报
作者: 杨明义 ; 田均良 ; 刘普灵 ; 石辉
刊名: 水土保持研究
出版日期: 1997
期号: 2, 页码:96-99,112
其他题名: A Primary Report of Soil Erosion Spatial Variation Feature on Farmland Slope by (137)~Cs
中文摘要: 运用(137)~Cs示踪法和网格点采样法对陕北典型的农耕地坡面的土壤侵蚀空间分布特征进行了研究,发现在坡脊和坡沟,随坡长的增长,137Cs含量分布呈增加、减少、再增加的波动趋势.而侧坡则呈相反的波动趋势;并利用新的公式计算了农耕地的侵蚀模数[11570t/(km2·a)]。
英文摘要: The soil erosion spatial variation featureof typical farmland slope was studied in North Shaanxi by 137 Cs and grid sampling. the results indicatedthat the 137 Cs amount appeared fluctuation strongly, weakly, and strongly again along incrementalslope length on the slope back and gully, but the trend on the slope side appeared inversely; Also, the modulus of erosion in agricultural land was calculated by using a new model, being 11 570t/ (km2 .a)
语种: 中文
内容类型: 期刊论文
URI标识: http://ir.iswc.ac.cn/handle/361005/3188
Appears in Collections:水保所知识产出(1956-2013) _期刊论文

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Recommended Citation:
杨明义, 田均良, 刘普灵, 石辉.用~(137)Cs法研究农耕地坡面土壤侵蚀空间分布特征初报.水土保持研究,1997,2:96-99,112
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文件名: 用_137_Cs法研究农耕地坡面土壤侵蚀空间分布特征初报.pdf
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