基于RS与GIS的龙海市生态敏感性评价研究
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摘要
区域生态敏感性分析是制定区域环境政策、规划布局的重要参考依据之一。以龙海市作为研究对象,选取高程、坡度、道路交通、水体、居民点分布和NDVI(植被覆盖指数)6个敏感性因子,利用层次分析法确定权重,基于RS与GIS技术对龙海市进行生态敏感性分析。结果表明:生态高度敏感区、生态较高度敏感区、生态中度敏感区和生态低度敏感区分别占整个研究区域的36%、28%、24%、12%,分布规律为城镇周围敏感性较低、区域的东南部敏感性较均衡、西部敏感性较高。针对不同程度的生态敏感性区域,提出相应的开发与保护建议,为龙海市生态城市的建设提供参考依据。
Ecological sensitivity assessment is an important basis for formulating regional environmental policy and planning layout. The research takes Longhai City as the research object. Six sensitivity factors including elevation, slope, road traffic, water body, residential point distribution and NDVI(vegetation cover index) are selected. The authors use the Analytic Hierarchy Process(AHP) to determine the weight of each factor, and carry out the ecological sensitivity of Longhai city based on RS and GIS technology. The results show that the highest sensitive area, the highly sensitive area, the moderately sensitive area and the low sensitive area accounted for 36 %, 28 %, 24 % and 12 % of the total area respectively, and the distribution pattern is that the sensitivity around towns is relatively low, the sensitivity in the west of the region is higher, and the sensitivity in the southeast is relatively balanced. Finally, corresponding development and protection recommendations are proposed for different levels of ecologically sensitive areas to provide reference for the construction of eco-city in Longhai City.
Ecological sensitivity assessment is an important basis for formulating regional environmental policy and planning layout. The research takes Longhai City as the research object. Six sensitivity factors including elevation, slope, road traffic, water body, residential point distribution and NDVI(vegetation cover index) are selected. The authors use the Analytic Hierarchy Process(AHP) to determine the weight of each factor, and carry out the ecological sensitivity of Longhai city based on RS and GIS technology. The results show that the highest sensitive area, the highly sensitive area, the moderately sensitive area and the low sensitive area accounted for 36 %, 28 %, 24 % and 12 % of the total area respectively, and the distribution pattern is that the sensitivity around towns is relatively low, the sensitivity in the west of the region is higher, and the sensitivity in the southeast is relatively balanced. Finally, corresponding development and protection recommendations are proposed for different levels of ecologically sensitive areas to provide reference for the construction of eco-city in Longhai City.
引文
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[4]林姚宇.生态城市设计理论与方法[M].北京:中国城市出版社,2010:22-30,34,46-54.
[5]陆天赞.1990年代以来我国城市设计生态手法的类型研究[D].上海:同济大学,2007:15,18-19,23-24.
[6]陈跃鸿.新型城镇化背景下的生态城市建设探索——以漳州“田园都市,生态之城”建设为例[J].福建建筑,2015(2):14-17.
[7]罗坤,汤小华,杨明.基于GIS的龙岩市土地利用生态敏感性评价[J].云南地理环境研究,2008(3):6-9.
[8]贺志军.GIS在生态城市设计中的应用框架研究[D].哈尔滨:哈尔滨工业大学,2012.
[9]关中美,王雨村,牛海鹏.基于GIS的焦作市生态敏感性分析[J].河南理工大学学报,2009,27(6):61-66.
[10]戚涛.基于遥感的区域植被生态环境质量综合评价研究[D].武汉:华中科技大学,2015.
[11]郑仰阳,谢正观.基于生态敏感性评价的城市非建设用地规划研究——以龙海市九龙江地区为例[J].城市发展研究,2011(5):65-71.
[12]成昆凤,王丽霞,庞小平,等.基于GIS的关中——天水经济区生态敏感性分析[J].地理空间信息,2017,15(8):60-64.
[13]曹建军,刘永娟.GIS支持下上海城市生态敏感性分析[J].应用生态学报,2011(5):65-71.
[14]彭龄莹.盐边型新型城镇化指标体系构建与评价研究[D].成都:成都理工大学,2017.
[15]张淑丽,张爱国,孟宪玲,等.基于生态移民视角的山西吉县土壤侵蚀敏感性评价[J]. 中国水土保持SWCC,2013(8):61-64.
[16]胡金龙,王金叶,罗楠.基于GIS的桂林市区生态敏感性评价[J].湖北农业科学,2013, 52(7):1562-1564.
[17]王凤娇,上官周平.水土保持生态自然修复与生态文明建设[J].中国水土保持科学,2013,11(6):119-124.
[18]张朝琼,郜红娟,张帮云.基于GIS的仁怀市生态敏感性评价[J].水土保持研究,2013, 20(4):179-182.