| 遥感与分形理论在确定水利工程生态环境影响评价范围中的应用 |
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| 引用本文： | 王海云,王振华.遥感与分形理论在确定水利工程生态环境影响评价范围中的应用[J].水利水电科技进展,2011,31(6):62-65. |
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| 作者姓名： | 王海云 王振华 |
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| 作者单位： | 1. 三峡大学水利与环境学院,湖北宜昌,443002
2. 宜昌市建筑设计研究院,湖北宜昌,443000 |
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| 基金项目： | 三峡大学人才基金(KJ2009B005) |
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| 摘 要： | 以观音堂水利工程为例,采用遥感技术和分形理论,初步构建了定量评价水利工程建设区陆面生态环境影响评价范围的基本框架。应用遥感影像数据进行解译,归类得到建设区各类生态环境影响模地,经生态优势度计算得出观音堂水利工程建设区林地拼块的优势度高达88.11%,通程度也高(Td=86.51%,Tf=92.30%),是生态质量受影响的控制性绝对优势组分;生态系统分形规律的标区明显,形成了一个相对孤立的生态系统。依据主要生态影响及其变化程度,确定该工程生态环境影响评价范围的面积为67.4 km2。
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| 关 键 词： | 生态环境 分形理论 评价范围 水利工程 |
| 修稿时间： | 2011/12/23 0:00:00 |
Application of remote sensing and fractal theory in determining evaluation scope of eco-environmental impact of water conservancy projects |
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| WANG Hai-yun,WANG Zhen-hua.Application of remote sensing and fractal theory in determining evaluation scope of eco-environmental impact of water conservancy projects[J].Advances in Science and Technology of Water Resources,2011,31(6):62-65. |
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| Authors: | WANG Hai-yun WANG Zhen-hua |
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| Affiliation: | WANG Hai-yun1,WANG Zhen-hua2(1.College of Hydraulic & Environment Engineering,Three Gorges University,Yichang 443002,China,2.Yichang Architectural Design & Research Institute,Yichang 443000,China) |
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| Abstract: | Taking Guanyintang Water Conservancy Project as an example,the basic framework for quantitatively assessing the evaluation scope of ecoenvironment impact of water conservancy projects was preliminarily established by use of the remote sensing technique and the fractal theory.Through the interpretation of remote sensing image data,the molds of various eco-environment impacts in the construction area were classified.The value of dominance of forest pieces in the construction are of Guanyintang Water Conservan... |
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| Keywords: | eco-environment fractal theory evaluation scope water conservancy project |
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