Showing 841 - 860 results of 1,013 for search '"geophysics"', query time: 0.05s Refine Results
  1. 841

    Research on spatial prediction technology for mitigating tunnel inrush disasters under complex geological conditions in China’s Hengduan Mountain Range by Yang Zou, XiuJun Dong, Tao Feng, ZhengXuan Xu, Hailin He, ZhangLei Wu

    Published 2025-01-01
    “…In order to achieve the above goals, through extensive exploratory attempts and experiments, it has been found that the use of multi-source information during the survey period can analyze the sources and channels of tunnel water inrushing, as well as the mechanism of water inrushing disasters; By utilizing high-definition images of the excavation surface, ultra deep directional drilling information data, and geophysical 3D attribute information data obtained during tunnel excavation, modeling, coordinate conversion, and 3D integration can be carried out. …”
    Get full text
    Article
  2. 842

    Research on Disaster-Control Method of Metro Station in Soft Fluid-Plastic Stratum by Wang Hongbo, Qingsong Zhang, Liu Rentai, Peng Jiang, Yankai Liu

    Published 2019-01-01
    “…Combined with a variety of geophysical exploration methods, the source of water in the foundation pit and the key areas for pulp reinforcement was obtained. …”
    Get full text
    Article
  3. 843

    Geotechnical Investigation of the Slope Instability in the Gündoğan Village Settlement Area (Ardeşen-Rize) by Ayberk Kaya, Cem Demirbaş, Serhat Dağ

    Published 2018-07-01
    “…For this purpose, along the three survey lines; six boreholes with a total of 150 meters in length were drilled, geophysical studies were performed along the three lines and inclinometer measurements were taken in two boreholes. …”
    Get full text
    Article
  4. 844

    Intelligent methods for natural data analysis: application to space weather by O.V. Mandrikova

    Published 2024-02-01
    “…The paper describes methods for detecting anomalies in geophysical monitoring data. This work studies a highly relevant class of problems in this area, aimed at creating methods for space weather forecasting. …”
    Get full text
    Article
  5. 845

    Development of deep-underground engineering structures via 2D and 3D RQD prediction using non-invasive CSAMT by Muhammad Hasan, Lijun Su, Peng Cui, Yanjun Shang

    Published 2025-01-01
    “…Point-scale data makes engineering design less precise and confusing, while traditional drilling for RQD estimation are expensive and time-consuming. An innovative geophysical approach to 2D and 3D RQD estimation is presented in this study. …”
    Get full text
    Article
  6. 846

    Toward the calibration of 2D thermomechanical simulations of magma poor passive continental margins: method, validation and case example by Perron, Paul, Le Pourhiet, Laetitia, Jourdon, Anthony, Cornu, Tristan, Gout, Claude

    Published 2024-05-01
    “…This method integrates a new kinematic module into the pTatin2D code, allowing for calibrating numerical simulations with regional geological and geophysical dataset over time while solving for mechanical balance using Stokes flow to ensure that crustal deformation remains consistent with mantle dynamics. …”
    Get full text
    Article
  7. 847

    Modeling PM2.5 Urban Pollution Using Machine Learning and Selected Meteorological Parameters by Jan Kleine Deters, Rasa Zalakeviciute, Mario Gonzalez, Yves Rybarczyk

    Published 2017-01-01
    “…In addition to the impact of urbanization, motorization, and rapid population growth, particulate pollution is modulated by meteorological factors and geophysical characteristics, which complicate the implementation of the most advanced models of weather forecast. …”
    Get full text
    Article
  8. 848

    Solid–liquid phase change in planetary cores by Huguet, Ludovic, Kriaa, Quentin, Alboussière, Thierry,  Le Bars, Michael

    Published 2024-12-01
    “…The ubiquitous phenomena of crystallization and melting occur in various geophysical contexts across many spatial and temporal scales. …”
    Get full text
    Article
  9. 849

    The Four‐Dimensional Variational Neustrelitz Electron Density Assimilation Model: NEDAM by L. Yuan, M. M. Hoque, Timothy Kodikara

    Published 2023-06-01
    “…The critical frequency of the F2 layer in NEDAM is much more accurate than that of a physics‐based model driven by observed geophysical indices or the Neustrelitz Electron Density Model (NEDM), when compared to data from two ionosondes. …”
    Get full text
    Article
  10. 850

    Frequency Considerations in GIC Applications by L. Trichtchenko

    Published 2021-08-01
    “…GIC are initiated by variations of the geomagnetic field in the presence of the conductive Earth, that is, the geophysical variables characterized by continuous frequency spectra, making GIC also exhibit continuous spectra. …”
    Get full text
    Article
  11. 851

    Aquifer Protective Capacity, Soil Corrosivity and Groundwater Potential Evaluation using Electrical Resistivity Method at Kwata-Zawan Area, Jos, Northcentral Nigeria by Fwangmun Dalaham, Eti-mbuk Akanbi, Shola Odewumi

    Published 2025-01-01
    “… Geophysical investigation involving electrical resistivity method was carried out to investigate the groundwater potential in Kwata-Zawan area, Jos, North central, Nigeria. …”
    Get full text
    Article
  12. 852
  13. 853
  14. 854
  15. 855

    Stochastic inversion method based on compressed sensing frequency division waveform indication prior by Minmin Huang, Leyi Xu, Yanhui Zhu, Ye He, Zhiye Li, Ying Lin

    Published 2025-01-01
    “…This method fully considers the geophysical mapping relationship between the observed seismic data and the parameters to be inverted across different frequency bands. …”
    Get full text
    Article
  16. 856

    Medieval Overexploitation of Peat Triggered Large-Scale Drowning and Permanent Land Loss in Coastal North Frisia (Wadden Sea Region, Germany) by Hanna Hadler, Antonia Reiß, Timo Willershäuser, Dennis Wilken, Ruth Blankenfeldt, Bente Majchczack, Stefanie Klooß, Ulf Ickerodt, Andreas Vött

    Published 2024-12-01
    “…Systematic geoarchaeological investigations between Nordstrand and Hallig Südfall comprise coring, trenching, sedimentary, geochemical and microfaunal palaeoenvironmental parameter analyses and radiocarbon dating. Together with geophysical prospection results and archaeological surveys, they give insights into the landscape’s development and causes for land losses. …”
    Get full text
    Article
  17. 857

    Three-Dimensional Numerical Modeling and Roof Deformation Analysis of Yuanjue Cave Based on Point Cloud Data by Zhigang Meng, Manchao He, Zhigang Tao, Bin Li, Gang Zhao, Mingru Xiao

    Published 2020-01-01
    “…In order to preevaluate the stability characteristics of the Yuanjue Cave rock mass and provide key parameters for the preventive protection of the Yuanjue Cave, this paper firstly established a refined database of key parameters of Yuanjue Cave and adjacent areas (geometry, geology, physical properties) based on three-dimensional laser point cloud scanning, a fine survey of adjacent areas, engineering geophysical prospecting, and indoor multifactor coupling tests. …”
    Get full text
    Article
  18. 858

    The Impact of Solar Activity on Forecasting the Upper Atmosphere via Assimilation of Electron Density Data by Timothy Kodikara, Kefei Zhang, Nicholas Michael Pedatella, Claudia Borries

    Published 2021-05-01
    “…The results also show that the agreement between data and forecast is mostly better than that of the standalone TIE‐GCM driven with observed geophysical indices. The results emphasize that TIE‐GCM significantly underestimate Ne in altitudes below 250 km and the assimilation of Ne is not as effective in these lower altitudes as it is in higher altitudes. …”
    Get full text
    Article
  19. 859

    First GIC Estimates for the Mexican Power Grid by R. Caraballo, J. A. González‐Esparza, M. Sergeeva, C. R. Pacheco

    Published 2020-02-01
    “…Power grid data were provided by the electric operator of Mexico; the geophysical data were inferred from the main features of Mexican geology. …”
    Get full text
    Article
  20. 860

    Wavelet and Network Analysis of Magnetic Field Variation and Geomagnetically Induced Currents During Large Storms by L. Orr, S. C. Chapman, C. D. Beggan

    Published 2021-09-01
    “…This can quantify the spatial and temporal location of increased hazard in specific regions during large storms by including effects of both the geophysical and engineering configuration of the high voltage grid.…”
    Get full text
    Article