Ecological Environment Quality Assessment of Arid Areas Based on Improved Remote Sensing Ecological Index—A Case Study of the Loess Plateau
Abstract
:1. Introduction
2. Experimental Materials and Methods
2.1. Introduction to the Study Area
2.2. Data Acquisition and Preprocessing
2.3. Remote Sensing Ecological Monitoring Indicators
2.4. Construction of SRSEI
3. Results and Analysis
3.1. Analysis by Principal Component of the SRSEI Indicators
3.2. RSEI vs. SRSEI in the Loess Plateau
3.3. RSEI and SRSEI’s Geographic Distribution in the Loess Plateau Area
3.4. Comparison of RSEI and SRSEI Levels among Provinces in the Loess Plateau Region
3.5. Trends of RSEI and SRSEI in the Loess Plateau
4. Discussion
4.1. Advantages of SRSEI
4.2. Advantages of Utilizing the Google Earth Engine (GEE) Platform
4.3. Investigation of the Factors That Influence Changes in Ecological Environmental Quality
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Satellite Data | Parameter | Temporal Resolution | Spatial Resolution |
---|---|---|---|
MOD09A1 | Reflectance products | 8 day | 500 m |
MOD11A2 | Surface temperature | 8 day | 500 m |
MOD13A1 | Vegetation indices | 16 day | 500 m |
GOSIF | SIF | 30 day | 500 m |
Year | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
---|---|---|---|---|---|---|---|---|---|---|---|
Difference | 0.107 | 0.076 | 0.103 | 0.015 | 0.081 | 0.104 | 0.094 | 0.135 | 0.126 | 0.092 | 0.071 |
Year | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
Difference | 0.120 | 0.094 | 0.138 | 0.090 | 0.127 | 0.089 | 0.086 | 0.112 | 0.136 | 0.119 |
Index/Year | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 |
---|---|---|---|---|---|---|---|---|---|
RSEI | 0.05 | 0.24 | 0.55 | 0.4 | 0.58 | 0.44 | 0.39 | 0.27 | 0.59 |
SRSEI | 0.16 | 0.2 | 0.56 | 0.51 | 0.65 | 0.54 | 0.51 | 0.39 | 0.58 |
Index/Year | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
RSEI | 0.42 | 0.49 | 0.42 | 0.51 | 0.39 | 0.39 | 0.33 | 0.49 | 0.46 |
SRSEI | 0.56 | 0.53 | 0.35 | 0.44 | 0.45 | 0.52 | 0.34 | 0.43 | 0.47 |
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Shi, M.; Lin, F.; Jing, X.; Li, B.; Shi, Y.; Hu, Y. Ecological Environment Quality Assessment of Arid Areas Based on Improved Remote Sensing Ecological Index—A Case Study of the Loess Plateau. Sustainability 2023, 15, 13881. https://doi.org/10.3390/su151813881
Shi M, Lin F, Jing X, Li B, Shi Y, Hu Y. Ecological Environment Quality Assessment of Arid Areas Based on Improved Remote Sensing Ecological Index—A Case Study of the Loess Plateau. Sustainability. 2023; 15(18):13881. https://doi.org/10.3390/su151813881
Chicago/Turabian StyleShi, Ming, Fei Lin, Xia Jing, Bingyu Li, Yang Shi, and Yimin Hu. 2023. "Ecological Environment Quality Assessment of Arid Areas Based on Improved Remote Sensing Ecological Index—A Case Study of the Loess Plateau" Sustainability 15, no. 18: 13881. https://doi.org/10.3390/su151813881