搜索结果: 1-15 共查到“resistivity”相关记录73条 . 查询时间(0.059 秒)
Resistivity and heterogeneity of Earth crust in an active tectonic region,Southern Tuscany (Italy)
crustal exploration magnetotellurics geothermal areas
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
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...
Detection of graves using the micro-resistivity method
Detection of graves using the micro-resistivity method
2015/9/8
This paper describes a case history of the application of resistivity methods on the detection of a tomb tentatively
associated with Damião de Goes, a prominent Portuguese humanist who lived in ...
Time-lapse electrical resistivity anomalies due to contaminant transport around landfills
landfill hydrogeological modeling salinity resistivity geophysical forward and inverse modeling
2015/9/2
The extent of landfill leachate can be delineated by geo-electrical imaging as a response to the varying electrical
resistivity in the contaminated area. This research was based on a combination of h...
Late Quaternary activity along the Scorciabuoi Fault (Southern Italy) as inferred from electrical resistivity tomographies
active tectonics Apennines geoelectrical survey Holocene Val d’ Agri
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
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
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...
About the shallow resistivity structure of Vesuvius volcano
Vesuvius volcanic area CSAMT survey resistivity tomography shallow 2D electrical structure
2015/9/1
Magnetotelluric (MT) soundings performed in the past in the volcanic area of Mt. Vesuvius by two independent
research groups showed in the same places MT apparent resistivity curves with very similar...
Deep electrical resistivity tomography and geothermal analysis of Bradano foredeep deposits in Venosa area (Southern Italy): preliminary results
Southern Apennine geothermal zone deep electrical resistivity tomography magnetotelluric survey
2015/9/1
Geophysical surveys have been carried out to characterize the stratigraphical and structural setting and to better understand the deep water circulation system in the Venosa area (Southern Italy) loca...
Shallow to intermediate resistivity features of the Colfiorito Fault System inferred by DC and MT survey
Colfiorito fault system magnetotellurics geoelectrics fluids
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...
A new magnetotelluric monitoring network operating in Agri Valley (Southern Italy): study of stability of apparent resistivity estimates
magnetotelluric remote reference apparent resistivity curve earthquake precursors
2015/9/1
Variations detected in geophysical, especially electromagnetic, parameters in seismic active areas have been
sometimes attributed to modifications of the stress field. Among the different geophysical...
2D electrical resistivity tomographies for investigating recent activation landslides in Basilicata Region (Southern Italy)
landslides electrical resistivity tomography
2015/9/1
The results of a geoelectrical survey in the study of recent activation landslides in the Lucanian Apennine chain
(Southern Italy) are discussed in this paper. During the last two years, after meteor...
Inaccuracy assessment for simultaneous measurement of resistivity and permittivity applying sensitivity and transfer function approaches
The resistivity dielectric constant quadrupole probe measuring resistivity dielectric constant
2015/8/28
The present study proposes a theoretical modeling of simultaneous and noninvasive measurements of electrical resistivity and dielectric permittivity using a quadrupole probe on a subjacent medium. A m...
Optimal requirements of a data acquisition system for a quadrupolar probe used in resistivity and permittivity surveys
Instrumentation and techniques of general interest Magnetic and electrical methods Mathematical geophysics Data processing
2015/8/28
This report discusses the development and engineering of a suitable quadrupolar probe for simultaneous and noninvasive surveys of electrical resistivity and dielectric permittivity. The quadrupolar pr...
Electrical resistivity tomography investigation of coseismic liquefaction and fracturing at San Carlo,Ferrara Province,Italy
Liquefaction Fracturing Electrical resistivity tomography
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...