| 青海湖流域土壤侵蚀敏感性评价 |
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| 引用本文： | 赵明月,赵文武,安艺明,靳婷.青海湖流域土壤侵蚀敏感性评价[J].中国水土保持科学,2012,10(2):15-20. |
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| 作者姓名： | 赵明月 赵文武 安艺明 靳婷 |
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| 作者单位： | 地表过程与资源生态国家重点实验室(北京师范大学),北京师范大学资源学院,100875,北京 |
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| 基金项目： | 国家科技支撑计划课题“青海湖流域生态和环境治理技术集成与试验示范”(2007BAC30B01);长江学者和创新团队发展计划“土壤水文与土壤侵蚀”(IRT1108);国家自然科学基金“土地利用格局与土壤流失关系的尺度效应分析与尺度转换”(41171069);地表过程与资源生态国家重点实验室(北京师范大学)自由探索课题“土地利用格局的水土流失效应”(2008-ZY-08) |
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| 摘 要： | 以青海湖流域为研究区,根据《生态功能区划技术暂行规程》,选择降雨侵蚀力、地形起伏度、土壤质地、植被类型作为土壤侵蚀敏感性的评价指标,在ArcGIS支持下生成单因子敏感性评价图,在此基础上基于ArcCIS的空间叠加分析功能,对土壤侵蚀敏感性进行综合评价.结果表明:研究区域内土壤侵蚀中度敏感区域占大部分,达到62.02％；高度敏感区域其次,为20.82％；轻度敏感区域和极敏感区域较少,分别为16.92％和0.24％.其中,对土壤侵蚀敏感性较高的地方主要有天峻县西北部和海晏县东部.
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| 关 键 词： | 土壤侵蚀 敏感性评价 青海湖流域 |
Sensitivity evaluation of soil erosion in Qinghai Lake Basin |
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| Zhao Mingyue
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Zhao Wenwu
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An Yiming
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Jin Ting.Sensitivity evaluation of soil erosion in Qinghai Lake Basin[J].Science of Soil and Water Conservation,2012,10(2):15-20. |
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| Authors: | Zhao Mingyue Zhao Wenwu An Yiming Jin Ting |
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| Institution: | (State Key Laboratory of Earth Surface Processes and Resource Ecology,Beijing Normal University;College of Resources Science and Technology,Beijing Normal University: 100875,Beijing,China) |
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| Abstract: | Qinghai Lake Basin was chosen as study area,in accordance with the Interim Regulations of Ecological Function Zoning,rainfall erosivity,the degree of topographic relief,soil texture,vegetation types were selected as indicators of sensitivity evaluation of soil erosion.A map of single-factor sensitivity evaluation was generated with supports of ArcGIS,moreover,a comprehensive evaluation of soil erosion sensitivity was conducted based on ArcGIS spatial overlay analysis.The results show moderately sensitive area of soil erosion within the study area accounted for 62.02%;followed by highly sensitive region 20.82%;mildly sensitive areas and extreme sensitive area 16.92% and 0.24% respectively.The relatively high sensitive area of soil erosion mainly distributed in the northwest of Tianjun County and east of Haiyan County. |
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| Keywords: | soil erosion sensitivity evaluation Qinghai Lake Basin |
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