Results 21 to 30 of about 38,514 (163)

Imaging ground surface deformations in post-disaster settings via small UAVs [PDF]

Geoscience Letters, 2021
AbstractSmall unmanned aerial vehicles have been seeing increased deployment in field surveys in recent years. Their portability, maneuverability, and high-resolution imaging are useful in mapping surface features that satellite- and plane-mounted imaging systems could not access.
R. L. Ybañez, Audrei Anne B. Ybañez, Alfredo Mahar Francisco Lagmay, Mario Aurelio   +3 more
openaire   +2 more sources

The Effects of Isolation Pile on the Ground Deformation due to a Deep Pit Excavation

Advances in Materials Science and Engineering, 2022
Pit excavation could inevitably introduce ground movement and threaten the safety of nearby existing high buildings, metro tunnels, or roads. To reduce ground movement and protect those existing structures against large deformation, isolation pile is ...
Guiping Nie, Ying Liu, Peilin Lv, Shaokun Ma, Zheng Chen, Xusheng He   +5 more
doaj   +1 more source

Identification of Ground Deformation Patterns in Coal Mining Areas via Rapid Topographical Analysis

Land, 2023
Coal mining inevitably brings some negative impacts, such as surface subsidence, aquifer breakage, and land degradation, to the eco-geological environment in the mining area. Among these impacts, coal mining-induced ground deformation is the most serious
Zhen Du, Li Feng, Haiheng Wang, Ying Dong, Da Luo, Xu Zhang, Hao Liu, Maosheng Zhang   +7 more
doaj   +1 more source

Multi-Sensor InSAR Assessment of Ground Deformations around Lake Mead and Its Relation to Water Level Changes

Remote Sensing, 2021
Changes in subsurface water resources might alter the surrounding ground by generating subsidence or uplift, depending on geological and hydrogeological site characteristics.
Mehdi Darvishi, Georgia Destouni, Saeid Aminjafari, Fernando Jaramillo   +3 more
doaj   +1 more source

Simulation study on surface deformation of shallow buried coal seam mining in a gully area

Frontiers in Earth Science, 2023
Coal mining subsidence leads to frequent surface ecological and environmental problems. Due to the unique topographic conditions within gully areas, the deformation and damage characteristics, along with the evolution laws of the surface, have been ...
Xin Wang, Lailiang Cai, Bingjie Zhang, Jingdong Wu, Quanshun Zhu, Zhoufeng Cui   +5 more
doaj   +1 more source

Time-Series SBAS Pixel Offset Tracking Method for Monitoring Three-Dimensional Deformation in a Mining Area

IEEE Access, 2020
The ground surface deformation caused by mining damages the ecological environment and severely hinder economic development in the mining area.
Jilei Huang, Yang Bai, Shaogang Lei, Kazhong Deng   +3 more
doaj   +1 more source

Tunneling-induced sandy ground deformation affected by surface framed structures

Yantu gongcheng xuebao, 2022
The construction of urban subway tunnels will inevitably lead to ground movements and deformations, which are determined by the construction method and strata conditions and affected by the adjacent structures.
XU Jing-min 1, 2, ZHANG Ding-wen 1, LIU Song-yu 1
doaj   +1 more source

Coupling the Relationship between Land Subsidence and Groundwater Level, Ground Fissures in Xi’an City Using Multi-Orbit and Multi-Temporal InSAR

Remote Sensing, 2023
The Xi’an region of China has been suffering from groundwater depletion, ground fissure hazards, and surface subsidence for a long time. Due to the complex tectonics and frequent human and natural activities, land deformation in the region is aggravated,
Xing Zhang, Zhengfeng Cheng, Bei Xu, Rong Gui, Jun Hu, Changjiang Yang, Qiuhong Yang, Tao Xiong   +7 more
doaj   +1 more source

Semi-Analytical Prediction of Ground Surface Heave Induced by Shield Tunneling Considering Three-Dimensional Space Effect

Applied Sciences, 2023
The ground surface deformation induced by shield tunnels passing through enclosure structures of existing tunnels is a particular underground construction scenario that has been encountered in Wuhan Metro Line 12 engineering cases in China. Timely ground
Jianfeng Qi, Guohua Zhang, Yuyong Jiao, Luyi Shen, Fei Zheng, Junpeng Zou, Peng Zhang   +6 more
doaj   +1 more source

Integrating SAR and Geographic Information Data Revealing Land Subsidence and Geological Risks of Shanghai City

Applied Sciences, 2023
As one of the most developed coastal cities, Shanghai experiences long-term ground surface settlement disasters during urban expansion periods, which has adverse effects on economic development.
Xiaying Wang, Yumei Yang, Yuanping Xia, Shuaiqiang Chen, Yulin She   +4 more
doaj   +1 more source