Influence of Open-Pit Coal Mining on Ground Surface Deformation of Permafrost in the Muli Region in the Qinghai-Tibet Plateau, China
The Qinghai-Tibet Plateau (QTP) is the largest mid-to low latitude and high-altitude permafrost. Open-pit coal mining and other activities have caused serious damage to the alpine ecological environment and have accelerated the degradation of permafrost on the QTP. In this study, the influence of op...
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ftdoajarticles:oai:doaj.org/article:bdb5dcd1d65148449f14017e0558d027 2023-05-15T17:56:12+02:00 Influence of Open-Pit Coal Mining on Ground Surface Deformation of Permafrost in the Muli Region in the Qinghai-Tibet Plateau, China Hongwei Wang Yuan Qi Juan Zhang Jinlong Zhang Rui Yang Junyu Guo Dongliang Luo Jichun Wu Shengming Zhou 2022-05-01T00:00:00Z https://doi.org/10.3390/rs14102352 https://doaj.org/article/bdb5dcd1d65148449f14017e0558d027 EN eng MDPI AG https://www.mdpi.com/2072-4292/14/10/2352 https://doaj.org/toc/2072-4292 doi:10.3390/rs14102352 2072-4292 https://doaj.org/article/bdb5dcd1d65148449f14017e0558d027 Remote Sensing, Vol 14, Iss 2352, p 2352 (2022) open-pit coal mine permafrost small baseline subset interferometric synthetic aperture radar (SBAS-InSAR) ground surface deformation Qinghai-Tibet Plateau Science Q article 2022 ftdoajarticles https://doi.org/10.3390/rs14102352 2022-12-30T23:22:23Z The Qinghai-Tibet Plateau (QTP) is the largest mid-to low latitude and high-altitude permafrost. Open-pit coal mining and other activities have caused serious damage to the alpine ecological environment and have accelerated the degradation of permafrost on the QTP. In this study, the influence of open-pit coal mining on the time series ground surface deformation of the permafrost in the Muli region of the QTP was analyzed from 19 January 2018 to 22 December 2020 based on Landsat, Gaofen, and Sentinel remote sensing data. The primary methods include human-computer interactive visual interpretation and the small baseline subsets interferometric synthetic aperture radar (SBAS-InSAR) method. The results showed that the spatial distribution of displacement velocity exhibits a considerably different pattern in the Muli region. Alpine meadow is the main land use/land cover (LULC) in the Muli region, and the surface displacement was mainly subsidence. The surface subsidence trend in alpine marsh meadows was obvious, with a subsidence displacement velocity of 10–30 mm/a. Under the influence of changes in temperature, the permafrost surface displacement was characteristics of regular thaw subsidence and freeze uplift. Surface deformation of the mining area is relatively severe, with maximum uplift displacement velocity of 74.31 mm/a and maximum subsidence displacement velocity of 167.51 mm/a. Open-pit coal mining had resulted in the destruction of 48.73 km 2 of natural landscape in the Muli region. Mining development in the Muli region had increased the soil moisture of the alpine marsh meadow around the mining area, resulting in considerable cumulative displacement near the mining area and the acceleration of permafrost degradation. Article in Journal/Newspaper permafrost Directory of Open Access Journals: DOAJ Articles Remote Sensing 14 10 2352 |
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Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
open-pit coal mine permafrost small baseline subset interferometric synthetic aperture radar (SBAS-InSAR) ground surface deformation Qinghai-Tibet Plateau Science Q |
spellingShingle |
open-pit coal mine permafrost small baseline subset interferometric synthetic aperture radar (SBAS-InSAR) ground surface deformation Qinghai-Tibet Plateau Science Q Hongwei Wang Yuan Qi Juan Zhang Jinlong Zhang Rui Yang Junyu Guo Dongliang Luo Jichun Wu Shengming Zhou Influence of Open-Pit Coal Mining on Ground Surface Deformation of Permafrost in the Muli Region in the Qinghai-Tibet Plateau, China |
topic_facet |
open-pit coal mine permafrost small baseline subset interferometric synthetic aperture radar (SBAS-InSAR) ground surface deformation Qinghai-Tibet Plateau Science Q |
description |
The Qinghai-Tibet Plateau (QTP) is the largest mid-to low latitude and high-altitude permafrost. Open-pit coal mining and other activities have caused serious damage to the alpine ecological environment and have accelerated the degradation of permafrost on the QTP. In this study, the influence of open-pit coal mining on the time series ground surface deformation of the permafrost in the Muli region of the QTP was analyzed from 19 January 2018 to 22 December 2020 based on Landsat, Gaofen, and Sentinel remote sensing data. The primary methods include human-computer interactive visual interpretation and the small baseline subsets interferometric synthetic aperture radar (SBAS-InSAR) method. The results showed that the spatial distribution of displacement velocity exhibits a considerably different pattern in the Muli region. Alpine meadow is the main land use/land cover (LULC) in the Muli region, and the surface displacement was mainly subsidence. The surface subsidence trend in alpine marsh meadows was obvious, with a subsidence displacement velocity of 10–30 mm/a. Under the influence of changes in temperature, the permafrost surface displacement was characteristics of regular thaw subsidence and freeze uplift. Surface deformation of the mining area is relatively severe, with maximum uplift displacement velocity of 74.31 mm/a and maximum subsidence displacement velocity of 167.51 mm/a. Open-pit coal mining had resulted in the destruction of 48.73 km 2 of natural landscape in the Muli region. Mining development in the Muli region had increased the soil moisture of the alpine marsh meadow around the mining area, resulting in considerable cumulative displacement near the mining area and the acceleration of permafrost degradation. |
format |
Article in Journal/Newspaper |
author |
Hongwei Wang Yuan Qi Juan Zhang Jinlong Zhang Rui Yang Junyu Guo Dongliang Luo Jichun Wu Shengming Zhou |
author_facet |
Hongwei Wang Yuan Qi Juan Zhang Jinlong Zhang Rui Yang Junyu Guo Dongliang Luo Jichun Wu Shengming Zhou |
author_sort |
Hongwei Wang |
title |
Influence of Open-Pit Coal Mining on Ground Surface Deformation of Permafrost in the Muli Region in the Qinghai-Tibet Plateau, China |
title_short |
Influence of Open-Pit Coal Mining on Ground Surface Deformation of Permafrost in the Muli Region in the Qinghai-Tibet Plateau, China |
title_full |
Influence of Open-Pit Coal Mining on Ground Surface Deformation of Permafrost in the Muli Region in the Qinghai-Tibet Plateau, China |
title_fullStr |
Influence of Open-Pit Coal Mining on Ground Surface Deformation of Permafrost in the Muli Region in the Qinghai-Tibet Plateau, China |
title_full_unstemmed |
Influence of Open-Pit Coal Mining on Ground Surface Deformation of Permafrost in the Muli Region in the Qinghai-Tibet Plateau, China |
title_sort |
influence of open-pit coal mining on ground surface deformation of permafrost in the muli region in the qinghai-tibet plateau, china |
publisher |
MDPI AG |
publishDate |
2022 |
url |
https://doi.org/10.3390/rs14102352 https://doaj.org/article/bdb5dcd1d65148449f14017e0558d027 |
genre |
permafrost |
genre_facet |
permafrost |
op_source |
Remote Sensing, Vol 14, Iss 2352, p 2352 (2022) |
op_relation |
https://www.mdpi.com/2072-4292/14/10/2352 https://doaj.org/toc/2072-4292 doi:10.3390/rs14102352 2072-4292 https://doaj.org/article/bdb5dcd1d65148449f14017e0558d027 |
op_doi |
https://doi.org/10.3390/rs14102352 |
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Remote Sensing |
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14 |
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10 |
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2352 |
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