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Stochastic Inverse Modeling of Magnetotelluric Data from the Larderello-Travale Geothermal Area (Italy)Normal access

Authors: F. Pace, A. Santilano, A. Godio and A. Manzella
Event name: 1st Conference on Geophysics for Geothermal and Renewable Energy Storage
Session: Non-Seismic Methods for Exploration and Monitoring
Publication date: 11 September 2019
DOI: 10.3997/2214-4609.201902507
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 653.95Kb )
Price: € 20

This work presents the two-dimensional stochastic inverse modelling of a magnetotelluric profile from the Larderello geothermal area (Italy). For the first time, the algorithm Particle Swarm Optimization was applied to this kind of field data to investigate a complex electrical structure without the initial assumption given by an external starting model driving the inversion. The outcome was in good agreement with results of previous research with the advantage of a lower data misfit as well as the contribution that the modelling was not initially constrained by a priori information (e.g., from well-log or other geophysical methods) that, in geothermal areas, can be unavailable or even misleading.

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