摘要
以阜新市为研究区域,利用主成分分析法对影响生态环境的因素进行单因素分析和多重因素的交互作用分析。选取阜新市2007、2013年和2019年的Landsat遥感影像对湿度、绿度、干度和热度4个生态环境影响因素进行提取,并结合主成分分析将多重影响因素耦合为遥感生态指数RSEI,从而对阜新地区进行生态环境质量评价。结果表明,2007-2019年,阜新市RSEI指数总体呈上升趋势,由2007年的0.671增加到2019年的0.687,生态环境指数上升2.32%;研究区域内大部分RSEI等级为中和良的地区,面积占比提高到90.58%;总体来看,生态环境整体向好发展。对于阜新市与RSEI指数相关度最高的是干度分量,因此应重点关注干度分量中建筑指数和土壤指数协同作用对生态环境的影响。
Taking Fuxin City as the research area,principal component analysis was used to analyze the single factor and multi-factor interaction which affect the ecological environment.Landsat remote sensing images of Fuxin City in 2007,2013 and 2019 were selected to extract the four ecological environment influencing factors,including humidity,greenness,dryness and heat,which were coupled into remote sensing ecological index(RSEI)by principal component analysis method to evaluate the ecological environment quality of Fuxin area.The results showed that from 2007 to 2019,the RSEI index of Fuxin City was on the rise,from 0.671 to 0.687,and the ecological environment index rose by 2.32%.The area with good and medium RSEI level increased to 90.58%.Overall,the ecological environment is becoming better.The highest correlation with RSEI index is the dryness component for Fuxin City.Therefore,more attention should be paid on the synergistic effect of building index and soil index of dryness component on ecological environment.
作者
曹辰
杨国林
锁旭宏
刘涛
安旭伟
胡栋
CAO Chen;YANG Guo-lin;SUO Xu-hong;LIU Tao;AN Xu-wei;HU Dong(Faculty of Geomatics,Lanzhou Jiaotong University,Lanzhou 730070,Gansu,China;National-Local Joint Engineering Research Center of Technologies and Applications for National Geographic State Monitoring,Lanzhou 730070,Gansu,China;Gansu Provincial Engineering Laboratory for National Geographic State Monitoring,Lanzhou 730070,Gansu,China;No.2 Engineering Company Ltd.of CCCC First Harbor Engineering Company Ltd,Qingdao 266071,Shandong,China)
出处
《西北林学院学报》
CSCD
北大核心
2022年第2期200-207,共8页
Journal of Northwest Forestry University
基金
国家重点研发计划课题(2016YFC0803106)
国家自然科学基金项目(41764001)
国家自然科学基金项目(41761088)
兰州交通大学“兰州交通大学优秀平台支持”(201806)
兰州交通大学“兰州交通大学天佑创新团队”(TY202001)。
关键词
生态环境
生态环境质量
遥感生态指数
干度(NDBSI)
阜新市
ecological environment
ecological environment quality
remote sensing ecological index(RSEI)
NDBSI
Fuxin City
作者简介
第一作者:曹辰,研究方向:遥感和地理信息系统在生态环境中的应用,E-mail:2380053753@qq.com;通信作者:杨国林,博士,副教授,研究方向:测量数据处理、地壳形变监测理论与方法,E-mail:24980139@qq.com。
