[1]江忠善,王志强,刘志.应用地理信息系统评价黄土丘陵区小流域土壤侵蚀的研究[J].水土保持研究,1996,3(02):84-97.
 Jiang Zhongshan,Wang Zhiqiang,Liu Zhi.Study on the Use of GIS to Estimate Soil Erosion in a Small Watershed in the Loess Hilly Region[J].,1996,3(02):84-97.
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应用地理信息系统评价黄土丘陵区小流域土壤侵蚀的研究()
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《水土保持研究》[ISSN:1005-3409/CN:61-1272/P]

卷:
3卷
期数:
1996年02期
页码:
84-97
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Study on the Use of GIS to Estimate Soil Erosion in a Small Watershed in the Loess Hilly Region
作者:
江忠善 王志强 刘志
中国科学院、水利部水土保持研究所 陕西杨陵 712100
Author(s):
Jiang Zhongshan Wang Zhiqiang Liu Zhi
Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi, 712100
关键词:
黄土丘陵区小流域地理信息系统土壤侵蚀模型土壤侵蚀定量评价
Keywords:
loess hilly regionsmall watershedgeographical information systemsoil erosion modelquantitative estimation of soil erosion
摘要:
以小流域为单元进行土壤侵蚀空间变化的定量动态研究,是探索土壤侵蚀规律和评价流域治理效益的一个重要途径和内容。以陕北黄土丘陵区安塞县纸坊沟流域内的两个小流域为研究实例,在分析野外小区观测资料建立土壤侵蚀模型的基础上,应用由ARC/INFO地理信息软件系统支持建立的空间信息数据库系统和土壤侵蚀模型相结合的方法,进行了小流域次降雨土壤侵蚀空间变化的定量计算。进而研究了流域内侵蚀强度的空间变化规律及其与地貌和土地利用的关系。实测资料检验结果表明,研究建立的预报方法,具有较高的计算精度。
Abstract:
Taking two small catchments in Zhifanggou watershed in the loess hilly region near Ausal county of Northern Shaanxi as study example, the prediction models of soil erosion have been developed on the basis of analysing the field observation data, and the spatial information database about soil erosion affecting factors has been established under the support of ARC/INFO software of geographical information system (GIS).Using the methods of integrate GIS with soil erosion models, the soil erosion of single rainfall in small watershed was quantitatively and spatially estimated.The spatial variation law of soil erosion intensities within a small watershed and the relationships between erosion intensities and landform or land use were researched.The results of testing from observed data showed that the method has a good prediction accuracy.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:1995-11-10;改回日期:。
更新日期/Last Update: 1900-01-01