Influences of Alhagi Sparsifolia Stumping on Sand Surface Erosion and Deposition in Cele County of Xinjiang Uygur Autonomous Region

MAO Donglei; LEI Jiaqiang; PANG Yingjun; WANG Cui; ZHOU Jie; XUE Jie

doi:10.13961/j.cnki.stbctb.2015.05.098

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Influences of Alhagi Sparsifolia Stumping on Sand Surface Erosion and Deposition in Cele County of Xinjiang Uygur Autonomous Region

- Influences of Alhagi Sparsifolia Stumping on Sand Surface Erosion and Deposition in Cele County of Xinjiang Uygur Autonomous Region
- Bulletin of Soiland Water Conservation Vol. 35, Issue 5, Pages: 173-179(2015)
- 作者机构：
  
  1. 新疆师范大学地理科学与旅游学院,新疆,乌鲁木齐,830054
  2. 中国科学院新疆生态与地理研究所,新疆,乌鲁木齐,830011
  3. 新疆策勒荒漠草地生态系统国家野外科学观测研究站, 新疆策勒,848300
  4. 中国科学院大学,北京,100049
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.05.098
  CLC：
- Published：2015
- 稿件说明：
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MAO Donglei, LEI Jiaqiang, PANG Yingjun, et al. Influences of Alhagi Sparsifolia Stumping on Sand Surface Erosion and Deposition in Cele County of Xinjiang Uygur Autonomous Region[J]. Bulletin of Soiland Water Conservation, 2015, 35(5): 173-179.
DOI：

MAO Donglei, LEI Jiaqiang, PANG Yingjun, et al. Influences of Alhagi Sparsifolia Stumping on Sand Surface Erosion and Deposition in Cele County of Xinjiang Uygur Autonomous Region[J]. Bulletin of Soiland Water Conservation, 2015, 35(5): 173-179. DOI： 10.13961/j.cnki.stbctb.2015.05.098.

摘要

[目的] 在对新疆策勒绿洲-沙漠过渡带绿洲边缘的固定沙地风蚀风积变化研究基础上

结合地表风速变化分析

探讨骆驼刺带状平茬和地形等对地表蚀积变化影响及其规律。[方法] 采用插钎法、地形测量法、风速野外观测等方法。[结果] 春季骆驼刺平茬初期

由于地表植被覆盖度大量减少

平茬带和保留带内地表主要以风蚀为主。夏季随着植被覆盖度的增加

地表主要以风积为主

地势较低、植被稀疏地表以轻微风蚀为主

秋季地表植被盖度基本保持最大和稳定

同时风力的减弱明显地减少了地表的风蚀量和风积量

地表主要以风积为主。[结论] 春季骆驼刺带状平茬4 m保留3 m宽度利用方式不能有效地抵御地表风蚀危害

而夏秋季具有较好的防护效益。

Abstract

[Objective] Based on previous research of wind erosion and deposition in oasis-desert zone

we aimed to explore the influences of Alhagi sparsifolia stumping and topography on sand surface erosion and deposition in Cele County of Xinjiang Uygur Atonomous Region.[Methods] Erosion pins were used and topographic surveys and wind velocity observations were conducted.[Results] The surfaces of stumping belts and reservation belts were dominated by wind erosion due to the large decreasing of vegetation coverage at the beginning of A. sparsifolia stumping in spring. Wind deposition occurred on the surfaces of A. sparsifolia quadrates due to the increased vegetation coverage in summer. Slight wind erosion mainly occurred on the surface with sparse vegetation and low topographic position. In autumn

as the vegetation coverage on the land surface maintained maximum and stable

wind erosion and deposition decreased

and the sand surface was dominated by wind deposition.[Conclusion] A. sparsifolia stumping with width of 4 m and 3 m for stumping belt and preserving belt

respectively

may not effectively prevent wind erosion in spring

but can effectively prevent wind erosion in summer and autumn.

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