Geogiga Seismic Pro

[Morris Betoch]

Shallow seismic data processing and interpretation software package used in environmental and engineering geophysics. It includes Front End, Reflector, Refractor, Surface, and SF Imager. Front End is used in seismic data preprocessing; while Reflector,Refractor,and Surface are separately used in reflection,refraction,and surface wave exploration. SF Imager is specially used in the single optimum offset reflection investigation.

Geogiga Seismic Pro is a comprehensive seismic data processing and interpretation software package designed for near-surface geophysics. This version includes three new applications - DW Tomo3D, Surface3D, and EFit - and numerous improvements, such as geometry QC, first break picking, trigger delay correction, and trace display.

geogiga seismic pro

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DW TOMO3D utilizes the robust grid ray tracing and regularized inversion approach to derive 3D velocity structure directly from first arrivals in 3D seismic surveys.FeaturesLoad all shots at one timeQuickly check and assign geometryAllow variable surfaceFilter and scale seismic data with ...
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FRONT END is designed to preprocess single shot record. You can convert data formats, assign geometry, shift and swap seismic traces, filter and scale seismic data, and more. Several batch commands are available, such as data resampling, trigger delay correction, vertical stacking, and Vibroseis cor ...
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SEISMAPPER plots velocity sections or seismic stacks in 2D section and 3D fence. The velocity sections are displayed with colors, contours, and editable lithologic symbols, while the seismic stacks can be viewed with wiggle or color density.FeaturesGroup data in a survey area with a projectP ...
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REFLECTOR is an all-inclusive standalone application designed for seismic reflection survey. All the processing modules are integrated to speed up the process without workflow interruptions. The multi-step undo and redo functions make it easier and more efficient to tune the processing parameters. T ...
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SF IMAGER is mainly used to process optimum offset seismic reflection data. It provides filtering, random noise attenuation, and deconvolution to improve the S/N ratio. You can import or pick velocities, migrate the time section, and generate a depth profile.SF IMAGER is also used to process the g ...
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REFRACTOR provides the intercept time method, delay time method, ABC method, and generalized reciprocal method (GRM) for seismic refraction surveys. You can automatically or manually pick first breaks, easily assign first arrivals to layers, and quickly phantom time-distance curves. The velocity and ...
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The departmental computer lab includes 7 Dell Precision and Macintosh workstations, flatbed and slide scanners, a color laser printer and a 44" Canon inkjet printer. Students have access to additional workstations located in the microscope lab and faculty research labs, and the administrative office houses a high-speed color laser printer. Available software includes Microsoft Office suite, Adobe Creative Suite, ArcGIS 10, Matlab, Geogiga seismic processing software, and many additional applications for geologic, geochemical and geophysical data analysis.

Bird Seismic Services has been recording high quality high resolution seismic data since 1991 in all types of areas and environments, arctic, desert, urban, snow covered, wet, dry, cold, hot, we have been there and gotten it done. We help our clients record the data they need, with the right tools.

DMT GmbH & Co. KG: Provider of seismic data acquisition and seismic monitoring systems. New product development: SUMMIT X One combines an extremely flexible field layout with greatest data quality in a wide range of applications in mining and infrastructure markets. For further information please refer to www.summit-system.de.

Exploration Instruments is the best-known geophysical equipment rental firm in North America specializing in near-surface applications. We maintain a diverse inventory of more than 85 different systems including seismic, radar, EM, gravity, magnetics, resistivity, radiometrics, hydrologic, marine and borehole logging tools. We rent by the day and ship anywhere in the world.

For 44 years, Zonge has been manufacturing and selling a full line of state-of-the-art equipment for electrical and electromagnetic geophysics, as well as providing contract field services. Our equipment line includes transmitters, receivers, magnetometers, and sensors. Services include resistivity, MT, AMT, IP, CSAMT, TEM, seismic, gravity, and specialized research projects.

In September of 2018, seismologists from the Caucasus and Central Asia met in Tbilisi, Georgia to plan an ambitious expansion of national seismic monitoring networks by deploying additional permanent broadband seismic stations. The data from the new stations would be openly available to the global scientific community in real time. Participating organizations from Armenia, Azerbaijan, Georgia, Kazakhstan, Kyrgyzstan, and Tajikistan partnered with technical collaborators from the Incorporated Research Institutions for Seismology (IRIS) and Lawrence Livermore National Laboratory (LLNL). Together, the team successfully proposed a multiyear project implemented through the Seismic Targeted Initiative of the International Science and Technology Center (ISTC) in Kazakhstan and the Science and Technology Center in Ukraine (STCU). The multi-year project provides training on best practices and technical support to locate, install, and operate the stations, as well as training on using the real time data to address national seismic monitoring priorities.

Proposed stations for the expanded national seismic networks of Sustainable Seismic Networks in the Caucasus and Central Asia (SNECCA). The majority of these stations will be newly established with a broadband posthole sensor and strong motion sensor or is an existing station that will be upgraded to this configuration.

Faults are geological structures that cause strata fragmentation and displacement due to the uneven stress of the rock strata. Fault fracture zones develop in the process of fault generation. Regardless of the type of fault, loose fracture zones and ductile shear zones will exist at the fault plane caused by the relative displacement of two plates [30,31,32]. Different physical properties (electrical conductivity, dielectricity, density, and magnetism) can be observed between the two pans of rock masses or soils, and these differences can provide the necessary geophysical basis for developing geophysical prospecting methods [33,34,35]. Geophysical exploration technology is one of the most effective methods for identifying the fault structure characteristics [36]. However, there are many explanations for one kind of geophysical exploration method, integrated geophysical method can greatly improve the accuracy of the exploration results. Many recent studies have explored the application potential of the comprehensive geophysical exploration technology for investigating the fault structure characteristics [37,38,39,40,41,42]. However, studies are rare regarding the active faults identified in urban areas, which are identified by using geophysical prospecting methods. In this study, seismic reflection method and ERT are used as comprehensive geophysical prospecting methods to carry out the exploration of the buried active faults in the urban area of Pingwu.

Seismic reflection method focuses on the obvious elastic difference between two strata. The difference between seismic reflection method and other geophysical exploration methods is that seismic reflection method has the characteristics of high exploration accuracy, high horizontal and vertical resolutions, and abundant acquisition information [43,44,45,46,47,48]. To find a fault by using seismic reflection method, the two sides of the fault in the same layer of reflection wave arrival time difference are used as the basis of judgment. With this feature, seismic reflection method can be used to detect the effects of tensile or compressive faults. There are many studies have proven that seismic reflection method is one of the most effective methods for exploring the active faults, especially when determining the structural characteristics of these fault types [49,50,51,52,53,54].

Three sets of effective data are obtained by seismic reflection method. The data processing mainly includes preprocessing, filter, deconvolution, velocity analysis, static correction, stacking, and seismic profile output (Figure 3a). Geogiga Seismic is used to process seismic reflection data. 2D ERT can get the vertical electrical profile of geological body, and 3D ERT inversion results can get the 3D electrical model and electrical slices of the whole geological body, which can be used as a supplement to the 2D inversion results [89]. Six sets of effective exploration data are obtained by ERT. The ERT data acquisition is a 2D configuration, and the 2D ERT data of six lines are converted into 3D ERT inversion format by RES3DINV software (Figure 3b). The processing of 2D inversion of ERT is completed by RES2DINV software, and RES3DINV software was used for 3D inversion. Then, we use SKUA-GOCAD software to build the 3D geological model of the data obtained from the 3D inversion. The 3D inversion results are sliced into x- and y-directions, and the 3D geological model of ERT is obtained. The processing flow of the inversion of the ERT data and seismic data is shown in Figure 3.

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