A5102795655- earthquake and tectonic studies
- Landslides and related hazards
- High-pressure geophysics and materials
- Synthetic Aperture Radar (SAR) Applications and Techniques
- Geological and Geochemical Analysis
- Geoscience and Mining Technology
- Civil and Geotechnical Engineering Research
- Earthquake Detection and Analysis
- Geotechnical Engineering and Underground Structures
- Geomechanics and Mining Engineering
- Cryospheric studies and observations
- Scientific Research and Discoveries
- Blasting Impact and Analysis
- Soil erosion and sediment transport
- interferon and immune responses
- Rock Mechanics and Modeling
- Cold Atom Physics and Bose-Einstein Condensates
- Virus-based gene therapy research
- Brain Tumor Detection and Classification
- Hydrology and Sediment Transport Processes
- Functional Brain Connectivity Studies
- Remote Sensing and Land Use
- Seismic Waves and Analysis
- Invertebrate Immune Response Mechanisms
- Aquaculture disease management and microbiota
Central South University
2023-2025
Tianjin University
2022-2024
Institute of Soil and Water Conservation
2019
Northwest A&F University
2019
Tianjin Municipal Engineering Design and Research Institute
2013
First Institute of Oceanography
1993
On February 6, 2023 (local time), two earthquakes (Mw7.8 and Mw7.7) struck central southern Turkey, causing extensive damage to several cities claiming a toll of 40,000 lives. In this study, we propose method for seismic building assessment analysis by combining SAR amplitude phase coherence change detection. We determined in five severely impacted urban areas calculated the ratio measuring area damaged area. The largest 18.93% is observed Nurdagi, smallest 7.59% found Islahiye. verified...
The 22 May 2021 MW 7.4 Madoi, Qinghai, China earthquake presented a rare opportunity to apply the modern unmanned aerial vehicle (UAV) photography method in extreme altitude and weather conditions image surface ruptures near-field effects of earthquake-related deformations remote Tibet. High-resolution photographs were acquired days immediately following mainshock. complex rupture patterns associated with this event covered comprehensively at 3–6 cm resolution. This effort represents first...
China’s first L-band fully polarimetric Synthetic Aperture Radar (SAR) constellation, LuTan-1 (LT-1), was designed for terrain mapping and geohazard monitoring. This study evaluates LT-1’s capability in identifying landslides the southern hilly regions of China, focusing on Longshan County, Hunan Province. Using both ascending descending orbit data from LT-1, we conducted landslide identification experiments. First, deformation obtained using Differential Interferometric SAR (D-InSAR)...
The joint action of human activities and environmental changes contributes to the frequent occurrence landslide, causing major hazards. Using Interferometric Synthetic Aperture Radar (InSAR) technique enables detailed detection surface deformation, facilitating early landslide detection. growing availability SAR data development artificial intelligence have spurred integration deep learning methods with InSAR for intelligent geological identification. However, existing studies using detect...
摘要: 断层滑动速率是理解复杂断层系统应变分配与评估地震危险性的重要参数,在多种研究方法中,利用构造地貌学方法限定走滑断裂的第四纪滑动速率较为普遍. 在青藏高原活动断裂体系中,海原断裂带承载了部分印度-欧亚板块碰撞产生的应变,其滑动速率的精细厘定也是高原构造变形动力学分析的重要参数. 过去三十年间前人采用构造地貌学方法对其进行了大量的滑动速率研究,结果位于2.3~16 mm/a之间,不同研究间相差较大,因此引发了众多争议与困惑. 在对已有研究进行详细评述的基础上,指出前人研究结果不确定性的重要原因是上级阶地与下级阶地重建模型的选择. 结果认为,基于两种位移累积起始时间定义的模型得到的往往是滑动速率的上限或下限,不能简单地将其等同于滑动速率真实值. 当缺乏观测数据可以辅助判别两种模型的可靠程度时,应基于上、下级阶地废弃年龄同时对滑动速率进行限定,这是对滑动速率计算过程中客观存在的不确定性的尊重和认可. 海原断裂带滑动速率的评估将为后续基于青藏高原内部诸多活动断裂进行两种端元变形模型合理性的分析工作提供重要的方法借鉴. 关键词: 滑动速率 / 海原断裂带 构造地貌学 河流阶地陡坎 上、下限评估
The realization of a harmonious relationship between the natural environment and economic development has always been unremitting pursuit traditional mineral resource-based cities. With rich reserves iron coal ore resources, Laiwu become an important steel production base in Shandong Province China, after several decades industrial development. However, some serious environmental problems have occurred with quick local industries, ground subsidence consequent secondary disasters as most...
The 2021 Mw 7.4 Maduo (Madoi) earthquake that struck the northern Tibetan Plateau resulted in widespread coseismic deformation features, such as surface ruptures and soil liquefaction. By utilizing unmanned aerial vehicle (UAV) photogrammetry technology, we accurately recognize map 39,286 liquefaction sites within a 1.5 km wide zone along rupture. We then systematically analyze distribution characteristics possible influencing factors. density remains on higher level 250 m from rupture...
Geometric complexities play an important role in the nucleation, propagation, and termination of strike-slip earthquake ruptures. The 2021 Mw7.4 Maduo rupture initiated at a large releasing stepover with complex fault intersection. In epicentral region, we conducted detailed mapping classification surface ruptures slip measurements associated earthquake, combining high-resolution uncrewed aerial vehicle (UAV) images optical image correlation field investigations. Our findings indicate that...
The optical image sub-pixel correlation (SPC) technique is an important method for monitoring large-scale surface deformation. RapidEye images, distinguished by their short revisit period and high spatial resolution, are crucial data sources However, few studies have comprehensively analyzed the error correction methods of deformation field obtained from images. We used images without to analyze potential errors in offset fields. found that fields primarily consist decorrelation noise, orbit...
Motivation: Alterations in the functional connectome may serve as new biomarkers to infer disease profile of glioma. Goal(s): To detect pathological (Patho-FCN) that characterizes plasticity due low grade Approach: Dynamic connectivity-based graph convolutional network (dFC-GCN) models were constructed distinguish patients from healthy controls. Class activation mapping was utilized identify top 5% salient nodes constituting Patho-FCN, where information flow assessed using time-delay and...