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机构地区:[1]中山大学地理科学与规划学院,广东广州510275 [2]中山大学地球环境与地球资源研究中心,广东广州510275 [3]吉林大学珠海学院,广东珠海519041
出 处:《中山大学学报(自然科学版)》2015年第6期156-162,共7页Acta Scientiarum Naturalium Universitatis Sunyatseni
基 金:广东省科技计划基金资助项目(2009B030801003);中山市科技计划基金资助项目(2013A3FC0247)
摘 要:构建一种以湿度指数、绿度指数、建筑覆盖度指数为分指标,以主成分分析法实现数据集成的城市生态环境质量评价方法,并以珠三角中山市不同年份的Landsat TM遥感影像为例,探讨该方法的适用性和准确性。结果表明,该方法可较好地反映研究区生态环境质量的变化,研究区1994年和2009年生态环境质量整体上均处于良好水平,2009年整体生态环境质量优于1994年,生态环境质量等级为较差的面积大幅度下降,但局部区域中生态环境退化的面积有所增加。生态环境与经济协调发展度的研究结果表明,1994年中山市各镇区的协调发展度状况较好,而2009年大部分镇区协调发展度呈下降趋势,部分镇区出现生态环境和经济发展严重失调的状况。A method,which was constituted by humidity index( HI),Normalized Difference Vegetation Index( NDVI) and Index Based Built-up Index( IBI),was built to evaluate urban eco-environment quality based on remote sensing data and data-synthesized by principal component analysis. It was applied in Zhongshan City,Guangdong Province. The Landsat TM images in different years were used to explore the applicability and accuracy. The results showed that this method can reflect the variation of regional eco-environment quality. The eco-environment quality of Zhongshan in 1994 and 2009 was both at a good level. The overall eco-environment quality in 2009 was better than in 1994. In 2009,the area with poor eco-environment quality decreased,but the area of eco-environmental degradation increased in local region. The coordinative development degree between environment and economy was at a good level in 1994,but declined generally in 2009. Serious imbalance between eco-environment and economic development occurred in some towns.
分 类 号:X171.1[环境科学与工程—环境科学]
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