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Keywords = full tensor magnetic gradient

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10 pages, 616 KB  
Article
Recovering the Magnetic Image of Mars from Satellite Observations
by Igor Kolotov, Dmitry Lukyanenko, Inna Stepanova, Yanfei Wang and Anatoly Yagola
J. Imaging 2021, 7(11), 234; https://doi.org/10.3390/jimaging7110234 - 9 Nov 2021
Cited by 10 | Viewed by 2366
Abstract
One of the possible approaches to reconstructing the map of the distribution of magnetization parameters in the crust of Mars from the data of the Mars MAVEN orbiter mission is considered. Possible ways of increasing the accuracy of reconstruction of the magnetic image [...] Read more.
One of the possible approaches to reconstructing the map of the distribution of magnetization parameters in the crust of Mars from the data of the Mars MAVEN orbiter mission is considered. Possible ways of increasing the accuracy of reconstruction of the magnetic image of Mars are discussed. Full article
(This article belongs to the Special Issue Inverse Problems and Imaging)
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35 pages, 4924 KB  
Article
OpenMP Implementation of a Novel Potential-Field-Data Source-Growth-Based Inversion Approach for 3D Salt Imaging in Deepwater Gulf of Mexico
by Naín Vera, Carlos Couder-Castañeda, Jorge Hernández, Alfredo Trujillo-Alcántara, Mauricio Orozco-del-Castillo and Carlos Ortiz-Aleman
Appl. Sci. 2020, 10(14), 4798; https://doi.org/10.3390/app10144798 - 13 Jul 2020
Cited by 3 | Viewed by 2478
Abstract
Potential-field-data imaging of complex geological features in deepwater salt-tectonic regions in the Gulf of Mexico remains an open active research field. There is still a lack of resolution in seismic imaging methods below and in the surroundings of allochthonous salt bodies. In this [...] Read more.
Potential-field-data imaging of complex geological features in deepwater salt-tectonic regions in the Gulf of Mexico remains an open active research field. There is still a lack of resolution in seismic imaging methods below and in the surroundings of allochthonous salt bodies. In this work, we present a novel three-dimensional potential-field-data simultaneous inversion method for imaging of salt features. This new approach incorporates a growth algorithm for source estimation, which progressively recovers geological structures by exploring a constrained parameter space; restrictions are posed from a priori geological knowledge of the study area. The algorithm is tested with synthetic data corresponding to a real complex salt-tectonic geological setting commonly found in exploration areas of deepwater Gulf of Mexico. Due to the huge amount of data involved in three-dimensional inversion of potential field data, the use of parallel computing techniques becomes mandatory. In this sense, to alleviate computational burden, an easy to implement parallelization strategy for the inversion scheme through OpenMP directives is presented. The methodology was applied to invert and integrate gravity, magnetic and full tensor gradient data of the study area. Full article
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