Acta Geophysica
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Evaluation of geological conditions for coalbed methane occurrence based on 3D seismic information: a case study in Fowa region, Xinjing coal mine, China
Acta Geophysica - Tập 65 - Trang 345-351 - 2017
The research on geological conditions of coalbed methane (CBM) occurrence is of great significance for predicting the high abundance CBM rich region and gas outburst risk area pre-warning. The No. 3 coal seam, in Yangquan coalfield of Qinshui basin, is the research target studied by 3D seismic exploration technique. The geological factors which affect CBM occurrence are interpreted based on the 3D......
Advances in geophysical processes — Models and methods
Acta Geophysica - Tập 61 - Trang 1323-1324 - 2013
Earthquake network construction models: from Abe-Suzuki to a multiplex approach
Acta Geophysica - Tập 71 - Trang 1111-1117 - 2023
From the early stage of seismological research, a complex network is one of the statistical methods to investigate the complexity of earthquake systems. The benefit of using this method is to inspect the systems with minimum information about their entities and corresponding interactions. Achieving a high interest in studying the seismic events using the complex network resulted in defining models......
Examining and predicting the influence of climatic and terrestrial factors on the seasonal distribution of ozone column depth over Tehran province using satellite observations
Acta Geophysica - - Trang 1-36 - 2023
When combined with conducive atmospheric conditions, air pollution caused by fossil fuel consumption associated with transportation, industry and electricity production for households, create and sustain continuous pollution over the megalopolis of Tehran, Iran. In conjunction with daily meteorological forecasts, remote sensing can be used to identify and predict days with hazardous levels of air ......
Dispersion calculation method based on S-transform and coordinate rotation for Love channel waves with two components
Acta Geophysica - Tập 65 - Trang 757-764 - 2017
Dispersion analysis is an important part of in-seam seismic data processing, and the calculation accuracy of the dispersion curve directly influences pickup errors of channel wave travel time. To extract an accurate channel wave dispersion curve from in-seam seismic two-component signals, we proposed a time–frequency analysis method based on single-trace signal processing; in addition, we formulat......
The evolving roles of geophysical test sites in engineering, science and technology
Acta Geophysica - - Trang 1-16 - 2023
Understanding the anomalies generated by various subsurface targets and their responses to different geophysical techniques in various subsoil types is critical to near-surface geophysical investigations. Geophysical test site (GTS) plays a vital role in near-surface geophysical investigations and related Earth sciences to adequately predict the geometries and anomalies generated by the subsurface......
Hybrid support vector regression models with algorithm of innovative gunner for the simulation of groundwater level
Acta Geophysica - Tập 70 Số 4 - Trang 1885-1898 - 2022
Simple GMPE for underground mines
Acta Geophysica - Tập 67 - Trang 837-847 - 2019
A simple ground motion prediction equation (GMPE) is developed for peak ground velocity, PGV, and for cumulative absolute displacement, CAD, for underground mines. Assuming the ground velocity at source,
$$\text{PGV}_{0}=0.63 v_{S} \Delta \epsilon$$
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