Please use this identifier to cite or link to this item:
|Authors: ||Gambetta, M.*|
|Title: ||Modal decomposition of magnetic maps : the case of Cape Roberts aeromagnetic survey, Antarctica.Modal decomposition of magnetic maps : the case of Cape Roberts aeromagnetic survey, Antarctica.|
|Issue Date: ||2008|
Antarctic Magnetic Surveys
|Abstract: ||This paper proposes a digital enhancement tool for magnetic anomaly maps. The magnetic anomaly map is decomposed by means of Singular Value Decomposition into a number of orthogonal basis.
The dataset is then filtered, after eigenvalues evaluation, accordingly to a specific variance pattern.
The filtering product is efficient in enhancing subtle and hidden features. The proposed filtering
procedure is first tested with a synthetic signal, then it has been applied to the Cape Roberts (Antarctica) aeromagnetic survey, flown over an off-shore rift basin. The proposed method appears to be efficient as noise removal and act as a digital enhancement tools able to provide TMI anomaly maps which can reveal hidden lineaments, otherwise not visible. The results have been checked against independent data.|
|Appears in Collections:||Manuscripts|
04.02.04. Magnetic and electrical methods
Files in This Item:
|Modal decomposition of magnetic maps - manuscript 2.pdf||submitted manuscript||322.59 kB||Adobe PDF||View/Open
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.