Long‐Term Landslide Evolution and Restoration After the Wenchuan Earthquake Revealed by Time‐Series Remote Sensing Images
Abstract A powerful earthquake, particularly in mountainous regions, has the ability to trigger an immense number of landslides, resulting in severe damages. However, effectively assessing their recoveries in the years following the mainshocks has not yet been attempted due to the lack of continuous...
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| Format: | Article |
| Language: | English |
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Wiley
2024-01-01
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| Series: | Geophysical Research Letters |
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| Online Access: | https://doi.org/10.1029/2023GL106422 |
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| author | Xin Wang Xuanmei Fan Chengyong Fang Lanxin Dai Wei Zhang Hongrui Zheng Qiang Xu |
| author_facet | Xin Wang Xuanmei Fan Chengyong Fang Lanxin Dai Wei Zhang Hongrui Zheng Qiang Xu |
| author_sort | Xin Wang |
| collection | DOAJ |
| description | Abstract A powerful earthquake, particularly in mountainous regions, has the ability to trigger an immense number of landslides, resulting in severe damages. However, effectively assessing their recoveries in the years following the mainshocks has not yet been attempted due to the lack of continuously updated landslide inventories. Therefore, we proposed a novel detection framework utilizing time‐series Landsat images from 2000 to 2021, which enabled us to achieve a long‐term landslide inventory in the seismic zone for the first time. The response patterns of landslide development under different conditions were explored in detail. The restoration models were quantitatively established, revealing that the recoveries of post‐earthquake landslide activity and vital environmental indicators require a range from ∼5.29 to ∼25.00 years. This pioneering research is highly beneficial in comprehending the impact of earthquake‐induced hazards on short‐term land surface damage and long‐term ecological equilibrium. |
| format | Article |
| id | doaj-art-a980d9a160364d9487d0e2e9a8202a85 |
| institution | OA Journals |
| issn | 0094-8276 1944-8007 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Geophysical Research Letters |
| spelling | doaj-art-a980d9a160364d9487d0e2e9a8202a852025-08-20T02:11:09ZengWileyGeophysical Research Letters0094-82761944-80072024-01-01512n/an/a10.1029/2023GL106422Long‐Term Landslide Evolution and Restoration After the Wenchuan Earthquake Revealed by Time‐Series Remote Sensing ImagesXin Wang0Xuanmei Fan1Chengyong Fang2Lanxin Dai3Wei Zhang4Hongrui Zheng5Qiang Xu6State Key Laboratory of Geohazard Prevention and Geoenvironment Protection Chengdu University of Technology Chengdu ChinaState Key Laboratory of Geohazard Prevention and Geoenvironment Protection Chengdu University of Technology Chengdu ChinaState Key Laboratory of Geohazard Prevention and Geoenvironment Protection Chengdu University of Technology Chengdu ChinaState Key Laboratory of Geohazard Prevention and Geoenvironment Protection Chengdu University of Technology Chengdu ChinaNational Key Laboratory of Water Disaster Prevention Nanjing Hydraulic Research Institute Nanjing ChinaSchool of Geoscience and Technology Southwest Petroleum University Chengdu ChinaState Key Laboratory of Geohazard Prevention and Geoenvironment Protection Chengdu University of Technology Chengdu ChinaAbstract A powerful earthquake, particularly in mountainous regions, has the ability to trigger an immense number of landslides, resulting in severe damages. However, effectively assessing their recoveries in the years following the mainshocks has not yet been attempted due to the lack of continuously updated landslide inventories. Therefore, we proposed a novel detection framework utilizing time‐series Landsat images from 2000 to 2021, which enabled us to achieve a long‐term landslide inventory in the seismic zone for the first time. The response patterns of landslide development under different conditions were explored in detail. The restoration models were quantitatively established, revealing that the recoveries of post‐earthquake landslide activity and vital environmental indicators require a range from ∼5.29 to ∼25.00 years. This pioneering research is highly beneficial in comprehending the impact of earthquake‐induced hazards on short‐term land surface damage and long‐term ecological equilibrium.https://doi.org/10.1029/2023GL106422Wenchuan earthquakecontinuous remote sensing monitoringpost‐seismic landslide evolutionland cover disturbancevegetation restoration |
| spellingShingle | Xin Wang Xuanmei Fan Chengyong Fang Lanxin Dai Wei Zhang Hongrui Zheng Qiang Xu Long‐Term Landslide Evolution and Restoration After the Wenchuan Earthquake Revealed by Time‐Series Remote Sensing Images Geophysical Research Letters Wenchuan earthquake continuous remote sensing monitoring post‐seismic landslide evolution land cover disturbance vegetation restoration |
| title | Long‐Term Landslide Evolution and Restoration After the Wenchuan Earthquake Revealed by Time‐Series Remote Sensing Images |
| title_full | Long‐Term Landslide Evolution and Restoration After the Wenchuan Earthquake Revealed by Time‐Series Remote Sensing Images |
| title_fullStr | Long‐Term Landslide Evolution and Restoration After the Wenchuan Earthquake Revealed by Time‐Series Remote Sensing Images |
| title_full_unstemmed | Long‐Term Landslide Evolution and Restoration After the Wenchuan Earthquake Revealed by Time‐Series Remote Sensing Images |
| title_short | Long‐Term Landslide Evolution and Restoration After the Wenchuan Earthquake Revealed by Time‐Series Remote Sensing Images |
| title_sort | long term landslide evolution and restoration after the wenchuan earthquake revealed by time series remote sensing images |
| topic | Wenchuan earthquake continuous remote sensing monitoring post‐seismic landslide evolution land cover disturbance vegetation restoration |
| url | https://doi.org/10.1029/2023GL106422 |
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