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Spatiotemporal Change of Urban Ecologic Environment Quality Based on RSEI—Taking Meizhou City, China as an Example

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  • Zhiyun Chen

    (School of Geography Science and Tourism, Jiaying University, Meizhou 514000, China)

  • Renrong Chen

    (School of Tourism and Culture, Guangdong Eco-Engineering Polytechnic, Guangzhou 510520, China)

  • Quan Guo

    (School of Economics and Management, Suzhou Polytechnic Institute of Agriculture, Suzhou 215000, China)

  • Yinglong Hu

    (Land Resources Technology Center of Guangdong Province, Guangzhou 510000, China)

Abstract

An ecological index that is constructed based on remote sensing images can enable a rapid evaluation of the quality of the urban ecological environment and can provide a scientific basis for the construction of urban ecological civilization. Taking Meizhou City, in Guangdong in China, as a study area, based on the Landsat TM/OLI and MODIS remote sensing data, this paper extracts the total primary productivity (GPP), land surface temperature (LST), humidity component (Wetness), and bare soil index (SI), which represent the remote sensing ecological index (RSEI) evaluation indicators. The greenness, heat, humidity, and dryness in the indicators are used to characterize the quality of the regional ecological environment and its change characteristics. The results show that: (1) the high-quality areas of ecological environment in the study area are increasing, and the proportion of high-grade RSEI areas has increased from 61.7% to 66.2%. (2) About 26.3% of the area in the study area has an optimized ecological environment quality. (3) The correlation between POI and each index is significant, among which GPP and LST have a high correlation with RSEI, while POI and RSEI have a moderately negative correlation. (4) MODIS data are suitable for regional ecological environmental quality assessments. In the future, research on RSEI data sources and processing efficiency and the spatiotemporal changes of ecological quality and environmental factors can be strengthened, and the sustainable development of ecological protection and urban construction planning can be explored.

Suggested Citation

  • Zhiyun Chen & Renrong Chen & Quan Guo & Yinglong Hu, 2022. "Spatiotemporal Change of Urban Ecologic Environment Quality Based on RSEI—Taking Meizhou City, China as an Example," Sustainability, MDPI, vol. 14(20), pages 1-15, October.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:20:p:13424-:d:945837
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    References listed on IDEAS

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    1. Pengwen Gao & Alimujiang Kasimu & Yongyu Zhao & Bing Lin & Jinpeng Chai & Tuersunayi Ruzi & Hemiao Zhao, 2020. "Evaluation of the Temporal and Spatial Changes of Ecological Quality in the Hami Oasis Based on RSEI," Sustainability, MDPI, vol. 12(18), pages 1-22, September.
    2. Zekang Yang & Jia Tian & Wenrui Su & Jingjing Wu & Jie Liu & Wenjuan Liu & Ruiyan Guo, 2022. "Analysis of Ecological Environmental Quality Change in the Yellow River Basin Using the Remote-Sensing-Based Ecological Index," Sustainability, MDPI, vol. 14(17), pages 1-18, August.
    3. Jingjing Zhang & Qian Zhou & Min Cao & Hong Liu, 2022. "Spatiotemporal Change of Eco-Environmental Quality in the Oasis City and Its Correlation with Urbanization Based on RSEI : A Case Study of Urumqi, China," Sustainability, MDPI, vol. 14(15), pages 1-21, July.
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    2. Xinyi Liu & Huixian Jiang, 2023. "Dynamic Evaluation of Ecological Environment Quality in Coastal Cities from the Perspective of Water Quality: The Case of Fuzhou City," Sustainability, MDPI, vol. 15(15), pages 1-18, July.

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