| 关于宁蒙陕农牧交错带重点地区沙尘暴灾害及防治对策 |
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| 引用本文： | 杨根生,拓万全.关于宁蒙陕农牧交错带重点地区沙尘暴灾害及防治对策[J].中国沙漠,2002,22(5):452-465. |
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| 作者姓名： | 杨根生 拓万全 |
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| 作者单位： | 中国科学院 寒区旱区环境与工程研究所, 甘肃 兰州 730000 |
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| 基金项目： | 国家重点基础研究发展规划项目(G2000048705);中国科学院寒区旱区环境与工程研究所知识创新项目(CACX210026)资助 |
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| 摘 要： | 论述了宁、蒙、陕农牧交错带重点地区沙尘暴的时空分布,揭示了沙尘暴形成的原因,重点论证了人为不合理的经营在该区沙尘暴形成中的作用,并提出调整该区不合理的经营方向、方式,是防治沙尘暴形成的关键所在。
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| 关 键 词： | 沙尘暴 时空分布 调整结构 |
| 文章编号： | 1000-694X(2002)05-0452-14 |
| 收稿时间： | 2002-07-15 |
| 修稿时间： | 2002年7月15日 |
Sandstorm Disasters and Controlling Ways in the Agricultural and Pasturing Interlaced Zone of Ningxia, Inner Mongolia and Shaanxi |
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| YANG Gen-sheng,TUO Wan-quan.Sandstorm Disasters and Controlling Ways in the Agricultural and Pasturing Interlaced Zone of Ningxia, Inner Mongolia and Shaanxi[J].Journal of Desert Research,2002,22(5):452-465. |
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| Authors: | YANG Gen-sheng TUO Wan-quan |
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| Institution: | Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China |
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| Abstract: | There are four large sandstorm sources in China, they are source in Hexi Corridor of Gansu Province and Alxa of Inner Mongolia, source in Taklimakan Desert of Tarim Basin, source in Hunshandake and Horqin sandy lands and source in area along the Great Wall in Ningxia, Inner Mongolia and Shaanxi provinces. The fore two sources are situated in the desert and desertified areas west to Helanshan Mountain and the later two in the agricultural and pasturing interlaced zone east to the mountain. In the interlaced zone the causes of sandstorm formation include natural factors (aridization, precipitation decreasing, frequent gale, and adequate sand sources etc.) and anthropogenic factors (reclamation, over grazing, excessively herb digging etc.). |
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| Keywords: | sandstorm temporal-spatial distribution structure adjustment |
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