LIU Hao,AI Ying-wei,CHEN Li-ping,et al.Study on the Spatial Variability of Soil Water Moisture of the Road Slope[J].Research of Soil and Water Conservation,2008,15(01):241-243.
道路边坡土壤水分空间变异性研究
- Title:
- Study on the Spatial Variability of Soil Water Moisture of the Road Slope
- Keywords:
- road slope; soil water moisture; spatial variability
- 分类号:
- S152.7
- 摘要:
- 以20世纪50年代修建成昆铁路时形成的路堑边坡为对象，对道路边坡土壤水分在不同坡度、坡长、坡位的空间变异性进行观测研究。结果表明：道路边坡土壤水分随着坡度的增大呈现先增大再减小的变化趋势，在同一坡面不同坡位上的土壤含水量表现为坡下>坡中>坡上。道路边坡土壤水分随着坡长的增长而减小，最短的10m坡长土壤含水量为23.27%，而最长的40m坡长土壤含水量为21.78%，最短坡长比最长坡长的土壤含水量增加了6.84%。
- Abstract:
- Based on the railway slope which formed by the building of Chengdu-Kunming railway, the variability of soil water moisture of the road-slope in different slope steepness, slope length and slope position were observed and studied.The results showed that: the soil water moisture has the tendency of increasing at first, and then decreasing with the increasing of slope steepness.The sequence of the magnitude of the heterogeneity is the bottom-slope> the mid-slope>the top-slope along the same slope.Soil water moisture decreases with the increasing of the slope-length: the shortest (10 m) is 23.7%, and the longest (40 m) is 21.78%, the soil water moisture of the shortest slope is as 1.0684 times as that of the longest slope.
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备注/Memo
收稿日期:2006-11-9
基金项目:国家自然科学基金项目（40571064）；四川省科技攻关计划项目（2006Z10-006）
作者简介:刘浩（1981- ），男，贵州贵阳人，硕士，主要从事环境生态学研究。
通讯作者:艾应伟