VSM from Taverna - Campi Flegrei 2004-2006
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VSM from Taverna - Campi Flegrei 2004-2006
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creator: Elisa Trasatti
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description: The VSM (Volcano Source Modeling) workflow models ground deformation detected by the most common geodetic techniques (interferometric SAR, GPS, and leveling). VSM performs geophysical inversion modeling of observation of ground deformation to retrieve the parameters of the causative magmatic source. A magmatic source can be approximated (modeled) by a confined part of crust with a certain shape (e.g., a sphere, a sill, a dyke, a spheroid), which is inflating/deflating because of a change in the internal magma/gas pressure. Each shape is going to generate a certain surface deformation pattern, and comparing the modeled deformation with that actually observed at the surface, it is possible to estimate the best-fit source parameters. The VSM tool carries out this task by minimizing the difference between the observed and the computed displacement field, through a process called data inversion. The VSM software tool is developed by INGV, in Fortran 90. The non-linear inversion core is by M. Sambridge. More details can be found in the documentation included 'HOW_TO_USE' file. This RO contains the results of the geodetic inversion of the 2004-2006 InSAR data at Campi Flegrei (Italy) due to the action of a deep magmatic source. Data can be also found in the following Research Object Link: http://sandbox.rohub.org/rodl/ROs/InSAR_Campi_Flegrei_2004_2006-release/ DOI: 10.5072/ro-id.F95NIHF8QA The workflow included can be run in the Taverna Runner in the Virtual Research Environment provided by EVER-EST project https://vre.ever-est.eu/supersites/ Link to the executable VSM_exe_url: http://box.everest.psnc.pl/f/11ef876776/?raw=1
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name: VSM VOLCANIC SOURCE MODELLING Elisa Trasatti, March (elisa.trasatti@ingv.it) The VSM (Volcano Source Modeling) is a tool to model ground deformation detected by the most common geodetic techniques (interferometric SAR, GPS, leveling and EDM Electro optical Distance Measuring). VSM performs geophysical inversion modeling of observation of ground deformation to retrieve the parameters of the causative magmatic source.
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The VSM tool carries out this task by minimizing the difference between the observed and the computed displacement field, through a process called data inversion.
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