北京测绘2025，Vol.39Issue(9)：1251-1260,10.DOI:10.19580/j.cnki.1007-3000.2025.09.002
基于GEE的北京冬奥会延庆赛区全生命周期生态质量评价
Life cycle-based ecological quality assessment of Yanqing competition area of Beijing Winter Olympics based on GEE
摘要
Abstract
As an international sports event,the Winter Olympics is often held in ecologically fragile areas and is significantly affected by large-scale engineering construction activities,which poses a serious challenge to the protection of the local eco-logical environment.Therefore,it is particularly important to continuously monitor the ecological quality of the competition area of the Winter Olympics.This paper took the Yanqing area of the Beijing 2022 Winter Olympics as the research object and used the Landsat 8 remote sensing image data from 2015 to 2022 provided by the Google cloud computing platform.By calculating the ecological indicators such as greenness,humidity,dryness,and heat,the remote sensing ecological index was constructed by principal component analysis,and the spatial and temporal changes of ecological quality in the whole life cycle of the competition area were systematically revealed.Through the transfer matrix and difference analysis method,the change trend of ecological quality was further discussed.The results show that although the ecological quality of the Yanqing competition area has fluctuated from 2015 to 2022,it shows an overall upward trend,indicating that the ecological restora-tion project has achieved certain results in this area.关键词
冬奥会/延庆赛区/谷歌地球引擎/遥感生态指数/生态质量Key words
Winter Olympics/Yanqing competition area/Google Earth Engine/remote sensing ecological index/ecological quality分类
天文与地球科学引用本文复制引用
郭欣怡,吕扬,侯庆明..基于GEE的北京冬奥会延庆赛区全生命周期生态质量评价[J].北京测绘,2025,39(9):1251-1260,10.基金项目
北京市科技计划(D171100007417003) （D171100007417003）
