Results 31 to 40 of about 5,337 (229)

Application of Optical Flow Technique and Photogrammetry for Rockfall Dynamics: A Case Study on a Field Test [PDF]

, 2021
Optical flow is a vision-based approach that is used for tracking the movement of objects. This robust technique can be an effective tool for determining the source of failures on slope surfaces, including the dynamic behavior of rockfall.
Kim, DH, Dong-Hyun Kim, Ivan Gratchev, Gratchev, I   +3 more
core   +1 more source

Characterizing geologic and climatic controls on rockfall hazards using an inventory and integrated kinematic and runout model: Skagway, Alaska, USA [PDF]

Natural Hazards and Earth System Sciences
Rockfall is common in steep terrain and poses a hazard to nearby communities. While rockfall triggering mechanisms are highly variable and difficult to quantify, the susceptibility of rock slopes to planar, wedge, or toppling failure can be readily ...
I. D. Wachino, J. J. Roering, R. Cash, A. I. Patton, A. I. Patton   +4 more
doaj   +1 more source

A New Methodology for Mapping Past Rockfall Events: From Mobile Crowdsourcing to Rockfall Simulation Validation

ISPRS International Journal of Geo-Information, 2020
Rockfalls are one of the most common natural hazards in mountainous areas that pose high risk to people and their activities. Rockfall risk assessment is commonly performed with the use of models that can simulate the potential rockfall source ...
Barbara Žabota, Milan Kobal
doaj   +1 more source

Machine Learning-Based and 3D Kinematic Models for Rockfall Hazard Assessment Using LiDAR Data and GIS

Remote Sensing, 2020
Rockfall is one of the most hazardous phenomena in mountainous and hilly regions with high and steep terrain. Such incidents can cause massive damage to people, properties, and infrastructure.
Ali Mutar Fanos, Biswajeet Pradhan, Abdullah Alamri, Chang-Wook Lee   +3 more
doaj   +1 more source

Three-dimensional rockfall shape back analysis: methods and implications [PDF]

Natural Hazards and Earth System Sciences, 2019
Rockfall is a complex natural process that can present risks to the effective operation of infrastructure in mountainous terrain. Remote sensing tools and techniques are rapidly becoming the state of the practice in the characterization, monitoring and ...
D. A. Bonneau, D. J. Hutchinson, P.-M. DiFrancesco, M. Coombs, Z. Sala, Z. Sala   +5 more
doaj   +1 more source

Potential Rockfall Source Identification and Hazard Assessment in High Mountains (Maoyaba Basin) of the Tibetan Plateau

Remote Sensing, 2023
Potential rockfall source areas are widely distributed in the high mountain areas of the Tibetan Plateau, posing significant hazards to human lives, infrastructures, and lifeline facilities.
Juanjuan Sun, Xueliang Wang, Songfeng Guo, Haiyang Liu, Yu Zou, Xianglong Yao, Xiaolin Huang, Shengwen Qi   +7 more
doaj   +1 more source

Analysis of soil cushion buffering characteristic for rockfall impact force through discrete element numerical simulation

Zhongguo dizhi zaihai yu fangzhi xuebao
Rock sheds is one of the main engineering solutions for mitigating rockfall disaster in the mountainous regions of western China. Typically, the roof of a rock shed is covered with a soil cushion composed of sand or gravel.
Yu CHEN, Weigang SHEN, Zhongyou SONG, Pan GAO, Fabin YAN, Ping YONG, Rui ZHANG   +6 more
doaj   +1 more source

Study on movement characteristics and numerical simulation of high-altitude rockfall in babao mountain in China

Frontiers in Earth Science, 2023
High-altitude rockfalls, as one of the major geological disasters in mountains, is highly concerned about the study of failure mechanisms and disaster prevention and mitigation.
Yuanxiang Yang, Yuguang Zhang, Zimeng Teng, Pin Liu, Lan Qiao   +4 more
doaj   +1 more source

Analysis of Factors Influencing Rockfall Runout Distance and Prediction Model Based on an Improved KNN Algorithm

IEEE Access, 2019
The prediction method plays crucial roles in the accurate prediction of rockfall runout range which could improve the protection of endangered residential areas and infrastructure.
Shuai Huang, Yuejun Lyu, Yanju Peng, Mingming Huang   +3 more
doaj   +1 more source

Rolling stones and tree rings: A state of research on dendrogeomorphic reconstructions of rockfall [PDF]

, 2013
International audienceThis progress report focuses on the contribution of tree-ring series to rockfall research and on recent developmentand challenges in the field.
Corona, Christophe, Trappmann, Daniel, Stoffel, Markus   +2 more
core   +1 more source