|
|||||
|
|
| 基于GIS、RS的生态脆弱区生态安全评价——以河北太行山区为例 | |
| 引用本文： | 刘欣,葛京凤,赵艳霞.基于GIS、RS的生态脆弱区生态安全评价——以河北太行山区为例[J].河北省科学院学报,2009,26(1):58-64. |
| 作者姓名： | 刘欣 葛京凤 赵艳霞 |
| 作者单位： | 1. 河北省地理科学研究所,河北,石家庄,050011;河北省环境演变与生态建设实验室,河北,石家庄,050016 2. 河北师范大学资源与环境科学学院,河北,石家庄,050016;河北省环境演变与生态建设实验室,河北,石家庄,050016 3. 河北省地理科学研究所,河北,石家庄,050011 |
| 基金项目： | 河北省环境演变与生态建设实验室开放基金，河北冉然科学基金，河北省科学院重点学科建设及重大攻关课题 |
| 摘 要： | 本文利用RS、GIS技术，基于DEM将河北太行山区划分为22个小流域．根据PSR模型，选取对山区生态安全起关键作用的29项指标建立指标体系。采用主、客观结合的赋权方法——AHP结合熵权法对各评价指标赋权．通过加权和法确定各小流域的生态安全状况。结果表明，该区域生态安全处于较差状态，进而深入分析其主要驱动因素，提出改善建议。 |
| 关 键 词： | 生态安全 小流域 指标体系 综合权重 |
Evaluation on ecological security of environmental flimsy area based GIS and RS——take Hebei TaiHang Mountains for example |
|
| LIU Xin,GE Jing-feng,ZHAO Yan-xia.Evaluation on ecological security of environmental flimsy area based GIS and RS——take Hebei TaiHang Mountains for example[J].Journal of The Hebei Academy of Sciences,2009,26(1):58-64. | |
| Authors: | LIU Xin GE Jing-feng ZHAO Yan-xia |
| Institution: | 1.Hebei Institude of Geography Science;Shijiazhuang Hebei 050011;China;2.Collage of Resource and Environmental Science;Hebei Normal University;Shijiazhuang Hebei 050016;3.Hebei Key Laboratory of Environmental Chang and Ecological Construction Shijiazhuang Hebei 050016;China |
| Abstract: | Using RS,GIS technology and based on DEM,the HeBei TaiHang Mountains were divided into 22 watershed.According to PSR model,29 indexes which play key roles in mountainous ecological security were selected to establish index system of ecological security evaluation.The comprehensive weight indexes were determined by subjectivity and objectivity combining determination index method and AHP and entropy weight method.Then the ecological safety conditions of each watershed were evaluated by weight sum method.The ... |
| Keywords: | Ecological security Watershed Index system Synthesis weighing factors |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |