Temporal and Spatial Variation of Soil Characters in Small Catchment of Loess Hilly Areas

XU Ming xiang; LIU Guo bin; WEN Zhong ming; LIU Bao yuan; FU Bo jie

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Temporal and Spatial Variation of Soil Characters in Small Catchment of Loess Hilly Areas

- Temporal and Spatial Variation of Soil Characters in Small Catchment of Loess Hilly Areas
- Bulletin of Soiland Water Conservation Vol. 19, Issue 1, Pages: 21-23(2000)
- 作者机构：
  
  1. 中国科学院水利部水土保持研究所, 陕西杨陵,712100
  2. 北京师范大学资源与环境科学院,北京,100875
  3. 中国科学院生态环境研究中心,北京,100875
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2000
- 稿件说明：
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XU Ming xiang, LIU Guo bin, WEN Zhong ming, et al. Temporal and Spatial Variation of Soil Characters in Small Catchment of Loess Hilly Areas[J]. Bulletin of Soiland Water Conservation, 2000, 19(1): 21-23.
DOI：

XU Ming xiang, LIU Guo bin, WEN Zhong ming, et al. Temporal and Spatial Variation of Soil Characters in Small Catchment of Loess Hilly Areas[J]. Bulletin of Soiland Water Conservation, 2000, 19(1): 21-23. DOI：

摘要

以安塞大南沟为例首次在流域范围内对几项土壤表面特性进行连续定位测定

初步研究了其时空动态变化规律。结果表明

大南沟流域内土壤随机糙度、抗剪力和团粒稳定性具有一定的空间变化规律

不同土地利用方式间有显著差异。不同地貌类型农耕地土壤随机糙度、抗剪力无明显差异

而团粒稳定性则差异显著。年内各测定周期间土壤随机糙度、抗剪力和团粒稳定性随时间变异不显著。

Abstract

Several soil surface characters in spatial and temporal variation have been measured continuously in a small catchment. The results showed that soil surface random roughness

soil cohesion and aggregate stability had significant difference among land use types. There was no significant difference among different to pographic croplands for random roughness and cohesion

however

soil aggregate stability had significant spatial dif ference among different topographic croplands. All of those soil surface characters had no significant temporal dif ference in the research periods.

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