Wei Zhan

ORCID: 0000-0002-0957-441X
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About
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Research Areas
  • earthquake and tectonic studies
  • Geophysics and Gravity Measurements
  • Earthquake Detection and Analysis
  • GNSS positioning and interference
  • Synthetic Aperture Radar (SAR) Applications and Techniques
  • Ionosphere and magnetosphere dynamics
  • Seismic Waves and Analysis
  • Geological and Geophysical Studies
  • Seismology and Earthquake Studies
  • High-pressure geophysics and materials
  • Geological and Geochemical Analysis
  • Remote Sensing and Land Use
  • Geoscience and Mining Technology
  • Geodetic Measurements and Engineering Structures
  • Advanced Computational Techniques and Applications
  • Rock Mechanics and Modeling
  • Air Quality Monitoring and Forecasting
  • Geomagnetism and Paleomagnetism Studies
  • Landslides and related hazards
  • Air Quality and Health Impacts
  • Maritime Ports and Logistics
  • Thermal properties of materials
  • Advanced SAR Imaging Techniques
  • BIM and Construction Integration
  • Technology and Data Analysis

China Earthquake Administration
2013-2025

Northern University of Malaysia
2025

Air Force Medical University
2025

Hunan Rare Earth Metal Material Research Institute
2024

Chinese Academy of Sciences
2024

Yangtze River Pharmaceutical Group (China)
2024

Hokkaido University
2021

Base Protection (Italy)
2020

Tiangong University
2017

Tianjin Special Equipment Supervision and Inspection Technology Research Institute
2017

10.1016/j.pragma.2025.01.012 article Journal of Pragmatics 2025-01-28

Introduction Electrical impedance tomography (EIT) enables non-invasive, continuous, bedside evaluation of ventilation/perfusion (V/Q) match. To avoid the presence invasive monitoring for cardiac output in relative V/Q ratio calculation, we proposed a novel calibration method based on arterial blood pressure to optimize EIT match assessments. Methods We involved 12 mechanically ventilated piglets three experimental phases: baseline, pulmonary embolism, and atelectasis. After thorough...

10.3389/fphys.2025.1545652 article EN cc-by Frontiers in Physiology 2025-03-13

Abstract In the context of frequent natural disasters and man‐made disasters, which have caused huge losses to human society, this paper aims explore application big data technology in disaster rescue improve efficiency effect. The research contents include construction coupling model, technical system effect evaluation method rescue. Through demonstration multi‐attribute utility analysis, found that can effectively solve cooperation barriers rescue, reduce cost cross‐regional linkage,...

10.1002/cepa.3281 article EN ce/papers 2025-03-01

Abstract The 2021 Mw7.4 Maduo (China) earthquake is the first major within Bayan Har block in recent decades. Despite this, little monitoring data has so far been undertaken to fully understand postseismic mechanisms. This paper presents first‐year deformation ∼350 km from rupture area following by Global Navigation Satellite System and Interferometric Synthetic Aperture Radar observations. We use a three‐dimensional finite element model kinematic inversion method investigate mechanisms of...

10.1029/2024jb030466 article EN Journal of Geophysical Research Solid Earth 2025-03-01

Seasonal Vertical Crustal Motions (SVCM) in Yunnan are assessed from 27 continuous Global Positioning System (cGPS) stations observations over the period 2010–2015. Results demonstrate significant SVCM with annual cyclic movements as dominant pattern, mean amplitude and initial phase is 9.7 mm 2.9 months, respectively. These exhibit a high degree of spatial uniformity whole, while some differences exist across regions. GPS seasonal vertical time-series show strong consistency GRACE (Gravity...

10.1093/gji/ggx246 article EN Geophysical Journal International 2017-06-07

With the recent progress in synthetic aperture radar (SAR) technology, especially new generation of SAR satellites (Sentinel-1 and TerraSAR-X), our ability to assess slope stability open-pit mines has significantly improved. The main objective this work is map ground displacement instability over three mines, namely, Hambach, Garzweiler Inden, Rhenish coalfields Germany provide long-term monitoring solutions for mining operations their surroundings. Three datasets, including Sentinel-1A data...

10.1016/j.jag.2020.102217 article EN cc-by-nc-nd International Journal of Applied Earth Observation and Geoinformation 2020-08-18

The Tianjin coastal region in Bohai Bay, Northern China, is increasingly affected by storm-surge flooding which exacerbated anthropogenic land subsidence and global sea-level rise (SLR). We use a combination of synthetic aperture radar interferometry (InSAR), continuous GPS (CGPS), tide-gauge observations to evaluate the spatial variability relative SLR (RSLR) along coastline Tianjin. Land motion obtained integration 2 tracks Sentinel-1 SAR images 19 CGPS stations shows that recent downtown...

10.1109/jstars.2021.3054395 article EN cc-by IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 2021-01-01

To meet the growing demand for socioeconomic development, a large amount of groundwater is extracted from confined aquifers worldwide. The North China Plain has experienced considerable depletion and subsidence during past six decades. In this study, we use Sentinel-1A/B SAR images 2015 to 2020 map ground Tianjin–Langfang area. Three subsiding zones centered at Guangyang, Wuqing–Bazhou, Jinghai are identified with maximum rates 98.1, 121.8, 104.7 mm/yr. Seasonal long-term signals separated...

10.1080/17538947.2022.2122610 article EN cc-by-nc International Journal of Digital Earth 2022-09-16

Abstract The Xianshuihe Fault Zone is one of the most historically seismically active regions in mainland China. However, seismicity along this fault zone has been quiescent for past 40 years, since Daofu M 6.9 earthquake 1981. Understanding its current deformation patterns and coupling characteristics great significance to estimate potential risk strong earthquakes. In study, we analyzed dynamic using Global Navigation Satellite System (GNSS) data 1999–2007 2016–2020. results show that...

10.1186/s40623-022-01591-9 article EN cc-by Earth Planets and Space 2022-02-22

We analyzed the far-field co-seismic response of M W 9.0 Tohoku-Oki earthquake, which occurred on March 11th 2011 at Japan Trench plate boundary. Our analysis indicates that displacement was very sensitive to magnitude this event, and a significant surface from earthquakes in region can be observed Eurasia only for events ≥ 8.0. also temporal characteristics near-field post-seismic deformation caused by afterslip viscoelastic relaxation following earthquake. Next, we performed simulation...

10.1007/s00024-015-1131-9 article EN cc-by Pure and Applied Geophysics 2015-07-09

Abstract The super typhoon Hagibis traveled northeastward through eastern Honshu, Japan, causing disastrous heavy rainfalls along its path on October 11 and 12, 2019. We performed a comprehensive space geodetic study of water brought by this using dense network Global Navigation Satellite System (GNSS) receivers in Japan. First, we studied the time evolution altitude‐corrected precipitable vapor field compare movement centroid with rain distribution from radar gauge analyzed precipitation....

10.1029/2021jb021845 article EN Journal of Geophysical Research Solid Earth 2021-05-18

SUMMARY Droughts are natural disasters that cause severe economic and social impacts. Analysing changes in terrestrial water storage (TWS) before after typical drought events is important for understanding the principles of regional transport law response, providing scientific agricultural production guidance. Yunnan a drought-prone region, high temperatures low rainfall 2019 led to drought. Precipitation data showed wet season started 1 month later than usual 2019. Moreover, 52 per cent...

10.1093/gji/ggac183 article EN Geophysical Journal International 2022-05-11

The need to acquire high-quality digital topographic data is evident throughout geoscience research. use of these elevates the research level geosciences. Airborne and terrestrial light detection ranging( Li DAR) are currently most prevalent techniques for generating such data,but high costs complex post processing laser-based restrict their availability. In past few years, a new stereoscopic photogrammetry mapping method called Structure from Motion( Sf M) has been applied in geoscience,in...

10.3969/j.issn.0253-4967.2015.02.024 article EN Seismology and Geology 2015-06-01

10.11947/j.agcs.2019.20180386 article EN DOAJ (DOAJ: Directory of Open Access Journals) 2019-10-01

The El Niño-Southern Oscillation (ENSO) event often causes natural disasters in mainland China. Existing quantitative analysis of ENSO event's effects on climate change China is insufficient. monthly scale prediction effectiveness events still low. Global Navigation Satellite System (GNSS) can estimate zenith tropospheric delay (ZTD) with high accuracy, which study ZTD responses to and improve the accuracy events. This quantitatively analyzed response patterns GNSS time–frequency variation...

10.1109/tgrs.2023.3251375 article EN IEEE Transactions on Geoscience and Remote Sensing 2023-01-01
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