摘要
为了研究金沙江干热河谷区冲沟沟头的形态特征与发育演化规律,基于野外实地测绘与室内成图分析,采用分形维值、弯曲系数等参数描述了元谋县沙地村13条冲沟沟头的几何形态学及沟头发育特征。结果表明,该区域沟头分形维值范围在1.096-1.190之间,弯曲系数值在1.443-4.818之间,分形分维值和弯曲系数也具有很强的相关性。其研究结果不仅可以丰富冲沟形态学的研究方法,也可为干热河谷区的水土保持工作提供科学依据。
To study the morphologic characteristics and evolution of gully head in Yuanmou Dry- hot Valley,we described the geometric morphological and development characteristic of 13 gully heads in Shadi Village Yuanmou county by fractal dimension and sinuosity parameters,field survey and mapping analysis. The results showed that the fractal dimension of gully heads is between 1. 096 and 1. 190,sinuosity is in the range of 1. 443 to 4.818,there＇s a strong correlation between the fractal dimension and sinuosity. The results can not only enrich the gully morphology research methods,but can provide the scientific basis for soil and water conservation in Dry-hot Valley.
出处
《干旱区资源与环境》
CSSCI
CSCD
北大核心
2015年第12期150-154,共5页
Journal of Arid Land Resources and Environment
基金
四川省科技厅项目(2012JY0121)
西华师范大学基本科研业务费专项资金(14D007)资助
关键词
沟头
沟沿线
分形维值
弯曲系数
干热河谷
gully head
shoulder line
fractal dimension
sinuosity
Dry-hot Valley
