Patella, Domenico (2009) Imaging multipole gravity anomaly sources by 3D probability tomography. [Pubblicazione in rivista scientifica]

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Item Type: Pubblicazione in rivista scientifica
Lingua: English
Title: Imaging multipole gravity anomaly sources by 3D probability tomography
Patella, DomenicoUNSPECIFIED
Autore/i: R. Alaia, D. Patella, P. Mauriello
Date: 2009
Number of Pages: 13
Department: Scienze fisiche
Identification Number: 10.1088/1742-2132/6/3/009
Date: 2009
Volume: 6
Number: 3
Page Range: pp. 298-310
Number of Pages: 13
Uncontrolled Keywords: 3D probability tomography, gravity method, multipole analysis, Mt Etna volcanic area
Identification Number: 10.1088/1742-2132/6/3/009
Date Deposited: 21 Oct 2010 06:57
Last Modified: 30 Apr 2014 19:43


We present a generalized theory of the probability tomography applied to the gravity method, assuming that any Bouguer anomaly data set can be caused by a discrete number of monopoles, dipoles, quadrupoles and octopoles. These elementary sources are used to characterize, in an as detailed as possible way and without any a priori assumption, the shape and position of the most probable minimum structure of the gravity sources compatible with the observed data set, by picking out the location of their centres and peculiar points of their boundaries related to faces, edges and vertices. A few synthetic examples using simple geometries are discussed in order to demonstrate the notably enhanced resolution power of the new approach, compared with a previous formulation that used only monopoles and dipoles. A field example related to a gravity survey carried out in the volcanic area of Mount Etna (Sicily, Italy) is presented, aimed at imaging the geometry of the minimum gravity structure down to 8 km of depth bsl.


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