The Detection and Control Factor Analysis of Active Landslides in Guizhou Province, China, Using Sentinel-1 SAR Imagery
Abstract
:1. Introduction
2. Study Area
3. Data and Methods
3.1. Data
3.2. Methods
3.2.1. ISBAS-InSAR
3.2.2. Temporal and Spatial Filtering
4. Results
4.1. Error Correction and Monitoring Point Improvement
4.2. InSAR Deformation Rates for Guizhou Province
4.3. The Distribution of Active Landslides in Guizhou
4.4. Distribution Pattern of the Active Landslides in Terms of Topographic Factors
5. Discussion
5.1. Distribution Pattern of the Active Landslides in Terms of Geological Factors
5.2. The Key Control Factors of Landslide Distribution
5.3. Verification of Key Landslide Control Factors
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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No. | Path | Frame | Flight Direction | Epoch | Image Number |
---|---|---|---|---|---|
1 | 128 | 84 | Ascending | 2 January 2018–21 April 2020 | 65 |
2 | 128 | 79 | Ascending | 20 March 2017–5 May 2022 | 155 |
3 | 128 | 74 | Ascending | 2 January 2018–21 April 2020 | 71 |
4 | 55 | 87 | Ascending | 9 January 2018–28 April 2020 | 69 |
5 | 55 | 82 | Ascending | 9 January 2018–30 November 2020 | 65 |
6 | 55 | 77 | Ascending | 9 January 2018–30 November 2020 | 85 |
7 | 157 | 87 | Ascending | 4 January 2018–23 April 2020 | 70 |
8 | 157 | 82 | Ascending | 4 January 2018–23 April 2020 | 71 |
9 | 157 | 77 | Ascending | 4 January 2018–23 April 2020 | 71 |
10 | 164 | 500 | Descending | 4 January 2018–23 April 2020 | 70 |
11 | 164 | 505 | Descending | 10 March 2017–24 May 2022 | 122 |
12 | 164 | 510 | Descending | 4 January 2018–23 April 2020 | 70 |
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© 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
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Chen, L.; Zhao, C.; Chen, H.; Kang, Y.; Li, B.; Liu, X. The Detection and Control Factor Analysis of Active Landslides in Guizhou Province, China, Using Sentinel-1 SAR Imagery. Remote Sens. 2023, 15, 5468. https://doi.org/10.3390/rs15235468
Chen L, Zhao C, Chen H, Kang Y, Li B, Liu X. The Detection and Control Factor Analysis of Active Landslides in Guizhou Province, China, Using Sentinel-1 SAR Imagery. Remote Sensing. 2023; 15(23):5468. https://doi.org/10.3390/rs15235468
Chicago/Turabian StyleChen, Liquan, Chaoying Zhao, Hengyi Chen, Ya Kang, Bin Li, and **aojie Liu. 2023. "The Detection and Control Factor Analysis of Active Landslides in Guizhou Province, China, Using Sentinel-1 SAR Imagery" Remote Sensing 15, no. 23: 5468. https://doi.org/10.3390/rs15235468