Choon park, one of the developers of kgs surfseis, came out with his own software package, called parkseis. Masw is a seismic method of ground geophysics used to evaluate the shearwave velocities of subsurface materials, geological mapping and bedrock profiling. Multichannel analysis of surface waves masw is seismic exploration method for. Seismic survey data processing using the multi channel analysis of surface waves method masw. 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. A hammer or other impact source is used to generate a surface wave.
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. Multichannel analysis of surface waves easy masw geostru. Seismic surveys are also a costeffective way to extend information derived from borehole logs over a much larger. 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. This is the most common type of masw survey that can produce a 2d v s profile.
This is a list of free and opensource software for geophysical data processing and interpretation. 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. The main set of manuals distributed with the software was developed for surfseis version 1. 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. If it is a dispersioncurve image file it will be displayed in the window for viewing seismic. Sales enablement global leader seismic sales enablement. Kansas geological survey software for comparison of seismic model results. This video is about masw multichannel analysis of surface waves data acquisition. In general, masw applications can be grouped into following categories. Masw sinkhole seismics masw karst study geoview inc.
Welcome to home of the masw technique this site is operated by park seismic llc, specializing in the masw services. Masw masw is a seismic method that uses surface waves specifically fundamental mode rayleigh waves to estimate shear wave velocities. It adopts the conventional mode of survey using an active seismic source e. Joint inversion of masw and seismic refraction data youtube. Seismic sales enablement enterprise sales content management. We can also acquire and analyze highresolution seismic reflection and refraction tomography data as well as vsp vertical seismic profile. Our smooth inversion tomographic method is based on physically realistic modeling of. Geomatrix earth science limited seismic geophysical software. Any geophysical survey company familiar with seismic. 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.
Masw seismic services, masw geophysical surveys, or a masw. 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. Masw software, parkseis, specialized in masw survey and data processing services for wind turbine site characterization, masw tutorial, void and cavity detection. 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. 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. Seismic is the leading sales enablement and marketing enablement software that lets teams find the right sales content and optimize the sales process. Easy data import seg2, segd, segy, segb and more formats. Seismic surveys provide information about stratigraphy, hydrogeology, and bedrock topography. More technical details of the software can be found online. Joint inversion of masw and seismic refraction tomography data in zondst2d software.
A brief introduction of the software features is presented here. If you have a kgs usb dongle from any of our software, you can receive the twoday surfseis 6. It evaluates stiffness and shearwave velocity of ground materials in a depth range of engineering interest. A masw seismic velocity panel or cross section is generated from interpreted shear wave velocities at depth along a masw seismic survey line.
Masw is a seismic surfae wave method for geotechnical applications. Seismic refraction analyses of the same masw seismic survey data can be used to. Tool for analysis of multichannel analysis of surface waves masw field data and evaluation of. A masw seismic survey assists with determining shear wave velocities at depth. Its impact power is directly related to the range of wavelengths for the generated surface waves, which determines the maximum depth of investigation zmax as illustrated in a figure below. How to acquire data for masw survey optimum field and recording parameters. Seismic careers technology company careers in sales. Choon park is lead author of the masw technique published in geophysics in 1999. Easy masw is a new software for the interpretation and archiving of seismic data using the masw method multichannel analysis of surface. Masw multichannel analysis of surface waves data acquisition. A simple 2conductor wire connects the geophones to the computer. 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. This geophysical method and analysis is based on the dispersive nature of surface waves, mostly rayleigh waves, as they propagate through the earth. Kgssurfseis masw softwaredownloads and demo request.
Overall features of parkseis are introduced in this video. Masw multichannel analysis of surface wave in the radexpro seismic software. Seismic survey data processing using the multi channel. The company develops data management software that updates information in real time for companys employees and customers. Passive masw data acquisition and processing see user guide. 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. Multichannel analysis of surface waves masw active and. The seismic site characterization requires an evaluation of an average shearwave velocity vs for the top 30m or 100ft depth.
The propagation velocities of that wave are recorded using an array of low frequency geophones 4. Upon launching the software, a wizard walks you through the data analysis. 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 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. Masw short course park seismic llc 2 instructors bio dr. The list is split into broad categories, depending on the intended use of the software and its scope of functions. The active figure 1 masw method was introduced in geophysics in 1999. Surfseis software was developed at the kansas geological survey to process seismic data using the multichannel analysis of surface waves masw method. Obtain shearwave velocity vs with depth z estimates using surfseis. There are two conditions that have to be met to increase zmax. A dedicated module for multichannel analysis of surface wave masw. Were transforming the way sales and marketing teams work together. Kgssurfseis masw softwarefrequently asked questions.
Swan is a software package for seismics data processing which allows to. Download easy masw software solution that allows you to view, analyze and interpret seismic data using the masw method, multichannel analysis of surface waves. In short, masw analyzes the propagation of measured surface waves and then deduces the shear wave velocities vs that is responsible for the propagation pattern of the surface waves. Parkseis, comprehensive tool for masw data processing to generate shear wave velocity profiles in 1d, 2d, and 3d that can be used with. Easy masw is a new software for the interpretation and archiving of seismic data using the masw method multichannel analysis of surface waves. It originally focused on analyzing rayleigh surface waves, which are typically acquired using vertical sources and receivers. 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. Processing and inversion software seismic reflection, refraction or multi channel analyses of surface waves, masw. Founded in 2010, seismic has quickly grown to become the global leader in sales enablement. Explore a technology company career today for a company with an eye to the future. Geometrics seismic training 10 field setup this feature is not available right now. Travel time inversion, tomography inversion, automatic first break pick.
Seismic records can be obtained by shooting from one end of the spread and then continuing. The maswaves software can be used and modified free of charge. Radexpro is a seismic processing software on windows. As discussed in other pages, masw depends on the dispersion properties of surface waves, primarily rayleigh waves.
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