Upon launching the software, a wizard walks you through the data analysis. Masw is a seismic surfae wave method for geotechnical applications. Seismic source for masw surveys a seismic source generates surface waves as well as body waves when it makes an impact on the ground surface. Any geophysical survey company familiar with seismic. The main set of manuals distributed with the software was developed for surfseis version 1. Choon park, one of the developers of kgs surfseis, came out with his own software package, called parkseis. Masw multichannel analysis of surface wave in the radexpro seismic software. Multichannel analysis of surface waves easy masw geostru. Geomatrix earth science limited seismic geophysical software.
A simple 2conductor wire connects the geophones to the computer. The propagation velocities of that wave are recorded using an array of low frequency geophones 4. A dedicated module for multichannel analysis of surface wave masw. Near surface exploration seismic systems, sometimes called engineering seismographs, are used for earthquake site response, rippability surveys, depthtobedrock, groundwater exploration, geologic hazards, shallow reflection surveys, shear wave surveys and multichannel analysis of surface waves masw. Seismic careers technology company careers in sales. Parkseis, comprehensive tool for masw data processing to generate shear wave velocity profiles in 1d, 2d, and 3d that can be used with active, passive, and activepassive combined masw surveys. The maswaves software can be used and modified free of charge. Seismic refraction analyses of the same masw seismic survey data can be used to. Choon park is lead author of the masw technique published in geophysics in 1999. Tool for analysis of multichannel analysis of surface waves masw field data and evaluation of. Get in touch with a seismic team member to ask a question or learn more about how our marketing and sales enablement solution can drive revenue growth.
Since its founding in 2006, park seismic llc has been focusing on the research and development of software solutions for masw investigation, in an effort to enhance the precision and the costeffectiveness of masw analyses. Swan is a software package for seismics data processing which allows to. Explore a technology company career today for a company with an eye to the future. Were transforming the way sales and marketing teams work together. Seismic surveys are also a costeffective way to extend information derived from borehole logs over a much larger. This is a list of free and opensource software for geophysical data processing and interpretation. There are two conditions that have to be met to increase zmax. Download easy masw software solution that allows you to view, analyze and interpret seismic data using the masw method, multichannel analysis of surface waves. Kgssurfseis masw softwaredownloads and demo request. Many of the equations derived for general physics to describe or define wave propagation can be solved or applied to the study of seismic waves. If you have estimated the necessary number of seismic spread channels say, 24 and you have the ability to acquire data using a larger number of channels say, 48, then you may find it more labor efficient to acquire masw data using a fixed spread. It evaluates stiffness and shearwave velocity of ground materials in a depth range of engineering interest. A masw seismic survey assists with determining shear wave velocities at depth.
Masw masw is a seismic method that uses surface waves specifically fundamental mode rayleigh waves to estimate shear wave velocities. In general, masw applications can be grouped into following categories. The list is split into broad categories, depending on the intended use of the software and its scope of functions. Travel time inversion, tomography inversion, automatic first break pick. It adopts the conventional mode of survey using an active seismic source e.
Masw is a seismic method of ground geophysics used to evaluate the shearwave velocities of subsurface materials, geological mapping and bedrock profiling. More technical details of the software can be found online. How to acquire data for masw survey optimum field and recording parameters. Founded in 2010, seismic has quickly grown to become the global leader in sales enablement.
If you have a kgs usb dongle from any of our software, you can receive the twoday surfseis 6. Overall features of parkseis are introduced in this video. Masw multichannel analysis of surface waves data acquisition. This video is about masw multichannel analysis of surface waves data acquisition. Multichannel analysis of surface waves masw active and.
Geometrics seismic training 10 field setup this feature is not available right now. Easy masw is a new software for the interpretation and archiving of seismic data using the masw method multichannel analysis of surface. We can also acquire and analyze highresolution seismic reflection and refraction tomography data as well as vsp vertical seismic profile. Seismic surveys provide information about stratigraphy, hydrogeology, and bedrock topography.
It originally focused on analyzing rayleigh surface waves, which are typically acquired using vertical sources and receivers. Obtain shearwave velocity vs with depth z estimates using surfseis. A hammer or other impact source is used to generate a surface wave. Processing and inversion software seismic reflection, refraction or multi channel analyses of surface waves, masw. Masw software, parkseis, specialized in masw survey and data processing services for wind turbine site characterization, masw tutorial, void and cavity detection. Welcome to home of the masw technique this site is operated by park seismic llc, specializing in the masw services. Sales enablement global leader seismic sales enablement. Kansas geological survey is the birth place of the multichannel analysis of surface waves method research efforts originated at the kansas in the late 80s. This geophysical method and analysis is based on the dispersive nature of surface waves, mostly rayleigh waves, as they propagate through the earth. This is the most common type of masw survey that can produce a 2d v s profile.
Multichannel analysis of surface waves masw is a seismic exploration method for determination of nearsurface shear wave velocity profiles based on analysis of horizontally travelling rayleigh. Surfseis software was developed at the kansas geological survey to process seismic data using the multichannel analysis of surface waves masw method. Joint inversion of masw and seismic refraction tomography data in zondst2d software. One of the first software packages, created by a government agency, is from the kansas geological survey, called surfseis masw software. Parkseis, comprehensive tool for masw data processing to generate shear wave velocity profiles in 1d, 2d, and 3d that can be used with. Masw seismic services, masw geophysical surveys, or a masw.
Seismic is the leading sales enablement and marketing enablement software that lets teams find the right sales content and optimize the sales process. Seismic records can be obtained by shooting from one end of the spread and then continuing. It is well suited for indepth hruhr marine seismic processing, realtime marine 2d3d seismic qc, onboard fast track processing, land and marine offline seismic qc, complete processing of nearsurface seismic data reflection, refraction, tomography, masw and vsp processing. Kgssurfseis masw softwarefrequently asked questions. The company develops data management software that updates information in real time for companys employees and customers. A brief introduction of the software features is presented here. Having this very ergonomic and reliable package of seismic processing tools available is quite a technical plus point, either at fieldwork with qctools or back at the. Kunjungan kuliah praktek seismologi teknik, pengolahan data masw oleh bapak fajri syukur rahmatullah, m. Masw short course park seismic llc 2 instructors bio dr. If it is a dispersioncurve image file it will be displayed in the window for viewing seismic. Six straight years of at least 97% growth have expanded the team from its five san diego founders with experience in enterprise content management to over 550 employees across 9. Seismic survey data processing using the multi channel. Kansas geological survey software for comparison of seismic model results.
Masw sinkhole seismics masw karst study geoview inc. The most common purpose for running a passive masw survey is to increase the investigation depth zmax beyond the limit of most active surveys e. The resulting twodimensional 2d masw model is presented as a model of swave velocity versus depth, which can be correlated to approximate pwave velocities, and associated estimated material rippability, depth to caliche. Soilbedrock mapping, seismic site characterization, anomaly detection. Multichannel analysis of surface waves masw is seismic exploration method for. The seismic site characterization requires an evaluation of an average shearwave velocity vs for the top 30m or 100ft depth.
Seismic survey data processing using the multi channel analysis of surface waves method masw. Easy masw is a new software for the interpretation and archiving of seismic data using the masw method multichannel analysis of surface waves. Joint inversion of masw and seismic refraction data youtube. As discussed in other pages, masw depends on the dispersion properties of surface waves, primarily rayleigh waves. The active figure 1 masw method was introduced in geophysics in 1999. Radexpro is a seismic processing software on windows. The next versions of the software surfseis 2, 3, and 4have included new features that take into account new research and methodological developments, as well as users demands for more options and improved user interface.
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