水资源与水工程学报

文章摘要

LI Qiuyan,CAI Qiangguo,FANG Haiyan.黄土高原风水蚀交错带风力作用对流域产沙贡献的空间特征研究Journal of Water Resources and Water Engineering[J].,2011,22(4):

黄土高原风水蚀交错带风力作用对流域产沙贡献的空间特征研究

Spatial characteristic research on wind erosion contribution to sediment yield in wind and water complex erosion zone of loess plateau

DOI：10.11705/j.issn.1672-643X.2011.04.141

中文关键词: 风蚀产沙风蚀气候因子风水复合侵蚀空间特征黄土高原

英文关键词: wind erosion contribution to sediment yield climatic factor to wind erosion complex erosion by wind and water spatial characteristics loess plateau

基金项目:中国科学院知识创新工程重要方向项目(KZCX2-YW-442); 黄土高原土壤侵蚀与旱地农业国家重点实验室基金项目(10501-225); 水利部黄河泥沙重点实验室开放课题(2010007); 中国博士后科学基金资助项目(20090460421)

Author Name	Affiliation
LI Qiuyan,CAI Qiangguo,FANG Haiyan	LI Qiuyan1,CAI Qiangguo2,FANG Haiyan2(1.College of Water Conservancy and Civil Engineering,China Agricultural University,Beijing 100083,China,2.Key Laboratory of Water Cycle and Related Land Surface Processes,Institute of Geographic Sciences and Natural Resources Research,CAS,Beijing 100101,China)

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中文摘要:

利用黄土高原风水蚀交错带水文站水沙资料及有关气象资料,分析了风力作用对流域产沙贡献的空间特征。结果表明:风沙区并不是风蚀贡献最大的区域,风蚀贡献率约为1/4。风沙区和黄土丘陵沟壑区交界处的风蚀贡献急剧增大。靠近风沙区并有零星片沙分布的区域,风蚀贡献率约为1/3。风蚀贡献最大的区域为穿过风沙区和黄土丘陵沟壑区的流域,约为2/5。黄土丘陵沟壑区,风蚀贡献率约为1/10～1/4。河源梁涧区的风蚀贡献率小于1/10。风蚀贡献率的大小依次为河源梁涧区<黄土丘陵沟壑区<风沙区<风沙区和黄土丘陵沟壑区交界处<穿过风沙区和黄土丘陵沟壑区的流域。整个黄土高原风水蚀复合区风力作用产生的输沙量接近流域总输沙量的1/10～1/5,风沙入河量占d>0.05 mm粗泥沙年输沙量的1/4。

英文摘要:

Spatial characteristics of wind erosion to the sediment yield in the watershed was estimated based on the sediment and meteorological records in hydrological stations.In desert,wind erosion contribution to sediment yield is not the biggest,and the sediment yield associated with wind erosion was only about 1/4.In the margin of the loess hills and gullies which is near the deserts and covered with sporadic patches of sands,the contribution sharply increased,and the proportion is about 1/3.The highest proporti...

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