[1]张维江,孙保平,郭文锋,等.黄土丘陵沟壑区小流域治沟骨干工程淤积量预报模型探讨[J].水土保持研究,2002,9(01):107-111.
　ZHANG Wei-jiang,SUN Bao-ping,GUO Wen-feng,et al.Approach to the Sediments Prediction Model of Check Dam in Loess Hilly-gully Area[J].Research of Soil and Water Conservation,2002,9(01):107-111.
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黄土丘陵沟壑区小流域治沟骨干工程淤积量预报模型探讨

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 9 期数: 2002年01期 页码: 107-111 栏目: 出版日期: 1900-01-01
Title:
Approach to the Sediments Prediction Model of Check Dam in Loess Hilly-gully Area
作者:
张维江1, 孙保平1, 郭文锋2, 李亚军3
1. 北京林业大学资源与环境学院, 北京, 100083;
2. 宁夏自治区水土保持局, 宁夏银川, 750001;
3. 宁夏西吉县水利水保局, 宁夏西吉, 756200
Author(s):
ZHANG Wei-jiang1, SUN Bao-ping1, GUO Wen-feng2, LI Ya-jun3
1. Resource and Environment College of Beijing Forestry University, Beijing 100083, China;
2. Soil and Water conservation Bureau of Ningxia, Yinchuan 750001, Ningxia Autonomous Region, China
关键词:
小流域; 治沟骨干工程; 土壤侵蚀; 黄土丘陵沟壑区; 淤积量
Keywords:
small watershed check dam; soil erosion; loess hilly gully area; amount of sediments
分类号:
S17
摘要:
黄土丘陵沟壑区治沟骨干工程泥沙淤积来源于坡面侵蚀、沟道侵蚀和库区岸坡坍塌。控制面积的坡面侵蚀量可以根据同一地区的径流试验小区资料进行计算；库区岸坡坍塌量可以通过实测现库岸地形，并与建库初期库岸地形比较计算而得；通过实测已建骨干工程的淤积量，并减去相应的坡面侵蚀量和库区岸坡坍塌量，便可求得沟道侵蚀量。在先期建立坡面侵蚀量、沟道侵蚀量分别与降雨、土地利用状况和流域特征等相应预测因子相关关系的基础上，建立了治沟骨干工程淤积量的预测模型，实际检验结果表明，模型的最低精度为79%。
Abstract:
Sediments of check dam in small watersheds in loess hilly gully area come from three proportion, i.e., soil erosion on the sloping area, gully erosion and bank breakdown around the reservoir. Amounts of soil erosion on slope could be calculated on the basis of the data of plot experiment in the same area,and the sediments induced from bank breakdown could be calculated out by comparing the original and current landform of the bank. Through surveying the sediments of the check dam, the sediments from gully erosion would be the difference between total amounts and parts from slope erosion and bank breakdown. According to the prediction models established firstly between the slope erosion amounts, gully erosion amounts and their corresponding predictors such as rainfall, land use and topographic features of the small watershed, a model for predicting the total sediments of check dam could be derived with a precision of 79% at least.

参考文献/References:

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备注/Memo

收稿日期:2001-6-30。
作者简介:张维江，男，（1963- ），宁夏农学院水利系副教授，北京林业大学博士研究生.

更新日期/Last Update: 1900-01-01