[1]辛会超,郭玮,王贺封*. 基于GEE和RSEI的京津冀地区生态环境质量时序动态评估[J].西北林学院学报,2024,39(2):106-114.[doi:10.3969/j.issn.1001-7461.2024.02.14]
　XIN Hui-chao,GUO Wei,WANG He-feng*. Time Series Dynamic Assessment of Ecological Environment Quality in Beijing-Tianjin-Hebei Region Based on GEE and RSEI[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2024,39(2):106-114.[doi:10.3969/j.issn.1001-7461.2024.02.14]
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 基于GEE和RSEI的京津冀地区生态环境质量时序动态评估()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第39卷
期数:
2024年第2期
页码:
106-114
栏目:
出版日期:
2024-03-31

文章信息/Info

Title:
 Time Series Dynamic Assessment of Ecological Environment Quality in Beijing-Tianjin-Hebei Region Based on GEE and RSEI
文章编号:
1001-7461(2024)02-0106-09
作者:
 辛会超1; 郭玮2; 王贺封1*
 （1.河北工程大学 矿业与测绘工程学院，河北 邯郸 056038；2.河北省第二测绘院，河北 石家庄 050033）
Author(s):
 XIN Hui-chao1; GUO Wei2; WANG He-feng1*
 (1.School of Mining and Geomatics Engineering,Hebei University of Engineering,Handan 056038,Hebei,China; 2.Hebei Second Surveying and Mapping Institute,Shijiazhuang 050033,Hebei,China)
关键词:
 ; 遥感生态指数; 生态环境质量; 谷歌地球引擎; 时空变化; 京津冀
Keywords:
 ; remote sensing ecological index;  ecological environment quality;  Google Earth Engine;  spatiotemporal variation;  Beijing-Tianjin-Hebei region
分类号:
S771.8
DOI:
10.3969/j.issn.1001-7461.2024.02.14
文献标志码:
A
摘要:
 探究京津冀地区生态环境质量时空变化特征及其驱动因素，为该地区可持续协调、高质量一体化发展提供依据。基于MODIS数据，借助Google Earth Engine（GEE）平台构建遥感生态指数（RSEI）模型，辅以多种空间分析和统计方法对京津冀地区及其4大功能区生态环境质量进行评价和变化监测。结果表明，1）京津冀地区RSEI均值由2001年的0.512增至2020年的0.575，增幅达12.30%，多年均值为0.499，总体处于中等水平。2）生态环境质量整体呈现“西北优、东南差”的空间格局，35.87%的区域变好，以变好1个等级为主。3）各功能区生态环境质量均得到了改善，其中南部功能拓展区、中部核心功能区的改善最为显著，改善区域占比分别为49.66%、45.79%。4）各因子对生态环境质量的影响不同，自然因素中的降水以及人为因素中的人口和土地利用为主导因素。总的来说，京津冀地区2001-2020年生态环境质量向好，但未来仍需加强人工干预，持续扩大生态优良区。
Abstract:
 The spatiotemporal variation characteristics of eco-environment quality (EQ) and its driving factors in Beijing-Tianjin-Hebei region were analyzed in order to provide a basis for the sustainable,coordinated and high-quality integrated development of the region.Based on MODIS data,remote sensing ecological index (RSEI) was constructed by using the Google Earth Engine (GEE) platform.Spatial analysis and statistical methods were used to evaluate the EQ and monitor its change in the region and its four functional zones.The results showed that 1) the average RSEI in the region increased from 0.512 in 2001 to 0.575 in 2020,increased by 12.30%,and the multi-year average RSEI was 0.499,which was at a middle level.2) The EQ showed a spatial pattern of "excellent in the northwest and poor in the southeast",35.87% of the region had become better,dominated by those improved one grade.3) The EQ of various functional zones was improved,especially in the south functional development zone and the central core functional zone,with the improved area accounting for 49.66% and 45.79%,respectively.4) The factors had different influences on EQ.Precipitation in natural factors and population and land use in human factors were the dominant factors.Overall,the EQ of Beijing-Tianjin-Hebei region had become better from 2001 to 2020.But in the future,it still needs to strengthen the human intervention,and continue to expand the ecological excellent area.

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备注/Memo

备注/Memo:
 收稿日期：2023-01-11修回日期：2023-04-10
基金项目：河北省高等学校科学技术研究重点项目（ZD2020312）。
第一作者：辛会超。研究方向：城市生态遥感。E-mail：1793547749@qq.com
*通信作者：王贺封，副教授。研究方向：GIS与RS应用，城市生态环境。E-mail：wanghefeng@hebeu.edu.cn
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