Investigation of Erosion Disaster in "7·27 "Rainstorm Centre in Jiaxian County of Northern Shaanxi Province

WANG Zhi-jie; WANG Qiao-li; JIAO Ju-ying; LI Rui

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Investigation of Erosion Disaster in "7·27 "Rainstorm Centre in Jiaxian County of Northern Shaanxi Province

- Investigation of Erosion Disaster in "7·27 "Rainstorm Centre in Jiaxian County of Northern Shaanxi Province
- Bulletin of Soiland Water Conservation Vol. 31, Issue 5, Pages: 13-17(2012)
- 作者机构：
  
  1. 中国科学院水利部水土保持研究所, 陕西杨凌,712100
  2. 西北农林科技大学资源环境学院, 陕西杨凌,712100
  3. 西北农林科技大学水土保持研究所, 陕西杨凌,712100
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012
- 稿件说明：
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WANG Zhi-jie, WANG Qiao-li, JIAO Ju-ying, et al. Investigation of Erosion Disaster in "7·27 "Rainstorm Centre in Jiaxian County of Northern Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2012, 31(5): 13-17.
DOI：

WANG Zhi-jie, WANG Qiao-li, JIAO Ju-ying, et al. Investigation of Erosion Disaster in "7·27 "Rainstorm Centre in Jiaxian County of Northern Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2012, 31(5): 13-17. DOI：

摘要

针对2012年陕北省佳县"7·27"特大暴雨侵蚀灾害

以暴雨中心区(王家砭镇)受灾最严重的行政村为对象

调查了"7·27"特大暴雨中道路、河岸、河道、房屋建筑、坡耕地、退耕林地、退耕草地等的侵蚀灾害情况。选取不同恢复措施的典型坡面

量测了地表植被、地形、土壤结皮等状况和"7·27"暴雨侵蚀产生的土壤侵蚀量。重点调查了不同生态恢复措施与恢复效果在该次暴雨中的抗侵蚀作用。对"7·27"特大暴雨侵蚀灾害的原因进行了初步分析。结果表明

植被盖度、植被物种多样性、坡度以及土壤生物结皮对于暴雨侵蚀的防御具有重要影响。

Abstract

Aiming at the erosion disaster by the"7·27"rainstorm

the rainstorm central area located in Wangjiabian Town

Jiaxian County

Northern Shaanxi Province

was selected as a site to investigate the erosion situations of road

river bank

river channel

housing construction

sloping farmland

afforestation land and natural recovered grassland. Then

several typical slopes with different restoration measures were chosen to measure standing vegetation

topography

soil crust and soil erosion.The effects of different eco-logical restoration measures and recovery levels on soil erosion by the rainstorm were investigated primarily. The reasons for the erosion disaster by the severe rainstorm were analyzed. Results show that vegetation coverage

vegetation species diversity

slope and soil biological crust have the important effects on the rain-storm erosion.

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Related Institution

The Research Center of Soil and Water Conservation and Ecological Environment, Chinese Academy of Sciences and Ministry of Education, Yangling

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