搜索结果: 1-13 共查到“固体地球物理学 resistivity”相关记录13条 . 查询时间(0.067 秒)
Resistivity and heterogeneity of Earth crust in an active tectonic region,Southern Tuscany (Italy)
crustal exploration magnetotellurics geothermal areas
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2015/9/14
Southern Tuscany, belonging to the inner zone of the Northern Apennines, Italy, is an ideal laboratory for observing the physical features of the lithosphere and their evolution in tectonically active...
Ez-response as a monitor of a Baikal rift fault electrical resistivity:3D modelling studies
Baikal rift zone electromagnetic monitoring transfer functions resistivity changes ofthe fault
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2015/9/14
3D numerical studies have shown that the vertical voltage above the Baikal deep-water fault is detectable and that respective transfer functions, Ez-responses, are sensitive to the electrical resistiv...
Late Quaternary activity along the Scorciabuoi Fault (Southern Italy) as inferred from electrical resistivity tomographies
active tectonics Apennines geoelectrical survey Holocene Val d Agri
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2015/9/2
The Scorciabuoi Fault is one of the major tectonic structures affecting the Southern Apennines, Italy. Across its central sector, we performed several electrical resistivity tomographies with differen...
Development of geothermal field following the 2000 eruption of Usu volcano as revealed by ground temperature,resistivity and self-potential variations
Usu volcano geothermal field ground temperature electrical prospecting selfpotential field hydrothermal circulation
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2015/9/2
The 2000 eruption of Usu volcano, NE Japan, took place on the foot of the somma, and formed a cryptodome of 65 m high accompanying numerous faults. We made repeated measurements of ground temperature,...
Electrical resistivity tomography investigations in the ufita Valley (southern Italy).
shallow ERT deep ERT Ufita River valley southern Apennines
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2015/9/1
Several Electrical Resistivity Tomography (ERT) surveys have been carried out to study the subsurface structural and sedimentary settings of the upper Ufita River valley, and to evaluate their efficie...
Shallow to intermediate resistivity features of the Colfiorito Fault System inferred by DC and MT survey
Colfiorito fault system magnetotellurics geoelectrics fluids
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2015/9/1
Over the last decade electromagnetic (EM) measurements have provided new constraints on the upper-crustal structure of the major fault zones in the world, both when they act as conduit and as a barrie...
Electrical resistivity tomography investigation of coseismic liquefaction and fracturing at San Carlo,Ferrara Province,Italy
Liquefaction Fracturing Electrical resistivity tomography
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2015/8/26
Massive surface fracturing and sand ejection took place during the main shock of the May 20, 2012, earthquake (Ml = 5.9) in the Emilia-Romagna region, northern Italy. These phenomena were induced by t...
Contribution of 3-D electrical resistivity tomography for landmines detection
3-D electrical resistivity tomography landmines detection
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2009/11/2
Landmines are a type of inexpensive weapons widely used in the pre-conflicted areas in many countries worldwide. The two main types are the metallic and non-metallic (mostly plastic) landmines. They a...
Joule heating and anomalous resistivity in the solar corona
Joule heating anomalous resistivity solar corona
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2009/10/30
Recent radioastronomical observations of Faraday rotation in the solar corona can be interpreted as evidence for coronal currents, with values as large as 2.5×109 Amperes (Spangler, 2007). These estim...
Resistivity Distribution in the Gediz Graben and its Implications for Crustal Structure
Gediz graben magnetotelluric resistivity conductive lower crust
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2009/7/8
Preliminary results of resistivity distribution in the crust around the Gediz graben by the magnetotelluric (MT) measurements along two 73- and 16-km-long MT profiles (M1 and profile M2) are presented...
A joint inversion of apparent resistivity and peak-period of microtremor horizontal-to-vertical spectrum for shallow soil profile
microtremors horizontal-to-vertical spectrum S-wave velocity vertical electrical sounding resistivity simulated annealing
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2009/3/5
We propose a new technique for a joint inversion of apparent resistivity data from a vertical electrical sounding and peak-period of spectral ratio of horizontal microtremors to vertical one in order ...
Surveys of the oceanic crust resistivity structure using a Magnetometric Resistivity method
oceanic crust resistivity structure Magnetometric Resistivity method
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2009/3/4
A Magnetometric Resistivity (MMR) method is one of the controlled source methods, which can be used to survey an electrical resistivity structure of the uppermost oceanic crust. The MMR method is comp...
Electron holes, ion waves, and anomalous resistivity in space plasmas
space plasmas ion waves
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2017/3/22
Phase-space electron holes are seen in simulations, laboratory plasmas, and many
regions of the Earth’s space environment. We present simulations of beam plasmas
showing that the generation and deca...