8 Hits in 2.5 sec

Permafrost Deformation Monitoring Along the Qinghai-Tibet Plateau Engineering Corridor Using InSAR Observations with Multi-Sensor SAR Datasets from 1997–2018

Zhengjia Zhang, Mengmeng Wang, Zhijie Wu, Xiuguo Liu
2019 Sensors  
An analysis of the distribution of the thaw slumping region in the Tuotuohe area reveals that ground deformation was associated with the development of thaw slumps in one of the three sections.  ...  The Qinghai-Tibet Engineering Corridor (QTEC), located in the QTP tundra, is of growing interest due to the increased infrastructure development in the remote QTP area.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s19235306 pmid:31810246 fatcat:a2alec66njhhlfitvn666jt3oy

Geophysical survey and geodynamic study of crust and upper mantle in the Qinghai-Tibet Plateau

Rui Gao, Zhanwu Lu, Qiusheng Li, Ye Guan, Jisheng Zhang, Rizheng He, Liyan Huang
2005 Episodes  
The Qinghai-Tibet Plateau, covering a vast territory and characterized by an extremely complicated structure, is considered as the ideal region to study continentcontinent collision, convergence and subduction  ...  Since 1958, a great number of geophysical surveys have been conducted on the crust and upper mantle of the Plateau, totaling about 45,000 km in line-length.  ...  This paper was financed by the National Natural Science Foundation of China (No. 40334035) and the Ministry of Land and Resources of China (No. 200010101).  ... 
doi:10.18814/epiiugs/2005/v28i4/005 fatcat:enia4g32tbgvbhblpd5i2qyxgi

Assessment of frozen-ground conditions for engineering geology along the Qinghai–Tibet highway and railway, China

Huijun Jin, Zhi Wei, Shaoling Wang, Qihao Yu, Lanzhi Lü, Qingbai Wu, Yanjun Ji
2008 Engineering Geology  
The Qinghai-Tibet Highway and Railway (the Corridor) across the Qinghai-Tibet Plateau traverses 670 km of permafrost and seasonally frozen-ground in the interior of the Plateau, which is sensitive to climatic  ...  A proposed classification of 51 zones, sub-zones, and sections of frozen ground has been widely adopted for the design and construction of foundations in the portion of the Corridor studied.  ...  Acknowledgements This research was supported by the Chinese Academy of Sciences 100 Talents Research Institute, Chinese Academy of Sciences, provided large amounts of pertinent data from field explorations  ... 
doi:10.1016/j.enggeo.2008.04.001 fatcat:3zc5kv2r4rdfhgcxzqgyphta7u

Small-Baseline Approach for Monitoring the Freezing and Thawing Deformation of Permafrost on the Beiluhe Basin, Tibetan Plateau Using TerraSAR-X and Sentinel-1 Data

Jing Wang, Chao Wang, Hong Zhang, Yixian Tang, Xuefei Zhang, Zhengjia Zhang
2020 Sensors  
The dynamic changes of the thawing and freezing processes of the active layer cause seasonal subsidence and uplift over a large area on the QinghaiTibet Plateau due to ongoing climate warming.  ...  Our research has important reference significance for the seasonal dynamic monitoring of different types of seasonal deformation and the extensive investigations of permafrost in Qinghai Tibet Plateau.  ...  Introduction The total area of permafrost on the Qinghai-Tibet plateau (QTP) is approximately 1.06 ± 0.09 km 2 [1] , which is the largest area of high-altitude discontinuous permafrost in the middle and  ... 
doi:10.3390/s20164464 pmid:32785061 pmcid:PMC7472081 fatcat:7po5rcrarbdqfjs7xes2bkmuze

Interferometric SAR Observation of Permafrost Status in the Northern Qinghai-Tibet Plateau by ALOS, ALOS-2 and Sentinel-1 between 2007 and 2021

Lichuan Zou, Chao Wang, Yixian Tang, Bo Zhang, Hong Zhang, Longkai Dong
2022 Remote Sensing  
The Qinghai-Tibet Plateau (QTP) is the world's largest permafrost region in the middle and low latitudes.  ...  Further study shows that the expansion areas of permafrost subsidence are concentrated on braided stream plains and thermokarst lakes.  ...  Qingbai Wu, Ji Chen, Jing Luo and Beiluhe Permafrost Station of the Northwest Institute of Eco-Environment and Resources of CAS, and Drs.  ... 
doi:10.3390/rs14081870 fatcat:h6bgasgarfcdri4p47anuxa55m

Ore Genesis of the Chuduoqu Pb-Zn-Cu Deposit in the Tuotuohe Area, Central Tibet: Evidence from Fluid Inclusions and C–H–O–S–Pb Isotopes Systematics

Yong-gang Sun, Bi-le Li, Feng-yue Sun, Ye Qian, Run-Tao Yu, Tuo-Fei Zhao, Jun-lin Dong
2019 Minerals  
The Chuduoqu Pb-Zn-Cu deposit is located in the Tuotuohe area in the northern part of the Sanjiang Metallogenic Belt, central Tibet.  ...  On a regional basis, the most likely source of the metallogenic material was regional potassium-enriched magmatic hydrothermal fluid.  ...  Acknowledgments: We would like to thank the Analysis and Testing Research Center of Nuclear Industry, Beijing Institute of Geology, Beijing, China, and the Experimental Center of Testing Science, Jilin  ... 
doi:10.3390/min9050285 fatcat:btjozllxgnau5ozcb5fomwyya4

Combining UAV and Landsat data to assess glacier changes on the central Tibetan Plateau

Yuang Xue, Zhefan Jing, Shichang Kang, Xiaobo He, Chenyu Li
2021 Journal of Glaciology  
To explore the feasibility of UAV technology for high mountain glaciers, four UAV surveys were deployed on two glaciers of the central Tibetan Plateau.  ...  Based on the images retrieved by UAV in 2017 and 2019, orthomosaics and digital elevation models were produced to quantify the length, area and elevation changes in the ablation zone of these two glaciers  ...  This work was funded by the National Natural Science Foundation of China (41671071, 41730751 and 41771040) and the Open Foundation of State Key Laboratory of Cryospheric Sciences (SKLCS-OP-2019-04).  ... 
doi:10.1017/jog.2021.37 fatcat:q3bashoumrfszixf7vobexcggq

Palaeoenvironmental setting of lacustrine stromatolites in the Miocene Wudaoliang Group, northern Tibetan Plateau

Ling-Qi Zeng, Hai-Sheng Yi, Guo-Qing Xia, Klaus Simon, Christine Heim, Gernot Arp
2019 Journal of Palaeogeography  
Covariation of carbon and oxygen isotopes indicates hydrologically closed conditions of the Miocene lake on northern Tibetan Plateau.  ...  Lacustrine stromatolites were widespread in the Miocene Wudaoliang Group (stromatolites of the Wudaoliang Group), northern Tibetan Plateau; but only at one location nearby the Wudaoliang Town, they occurred  ...  Funding This study is funded by the National Natural Science Foundation of China (Grant Nos. 41772105 and 41402099).  ... 
doi:10.1186/s42501-019-0033-7 fatcat:oyiptpzcpjhydal6bedm3sgjkq