Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Edson E.S. Sampaio"'
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 93, Iss 1 (2021)
Abstract The transition zone between the Archean blocks, Jequié and Itabuna-Salvador-Curaçá, in the county of Laje, Bahia, Brazil, is potentially important for iron ore deposits of economic interest. This research investigates one of the eighteen
Externí odkaz:
https://doaj.org/article/e64111eacd8b4f7d85559ef7593a8dd6
Autor:
Edson E.S. Sampaio
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 83, Iss 3, Pp 835-861 (2011)
The analysis of electromagnetic fields caused by alternate or transient electric currents flowing along a cable in sea water has several applications. It supports the interpretation of electromagnetic geophysical data and safety procedures against th
Externí odkaz:
https://doaj.org/article/a81213543c9942cf9d8a11a1f571f587
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing. 60:1-9
Spectral induced electric polarization provides useful information on geoelectric parameters, which may allow mineral discrimination in exploration geophysics. Electromagnetic coupling between current and potential electrodes equally contributes to u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e27397533bd47006c4210db723a26d65
https://doi.org/10.1109/tgrs.2021.3099493
https://doi.org/10.1109/tgrs.2021.3099493
Autor:
Joelson C. Batista, Edson E.S. Sampaio
Publikováno v:
Acta Geophysica. 67:1365-1377
We applied the technique of the genetic algorithms and a local methodology integrating the Gauss–Newton and Conjugate Gradient (GNCG) techniques to test one-dimensional inverse modeling of synthetic magnetotelluric data. The result of this modeling
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c410bd9c513595d03e6a29d292ebd25f
https://doi.org/10.1007/s11600-019-00325-y
https://doi.org/10.1007/s11600-019-00325-y
Autor:
Luiz C. Corrêa-Gomes, Joelson C. Batista, Edson E.S. Sampaio, Elson P. Oliveira, Johildo S.F. Barbosa, Ícaro Vitorello
Publikováno v:
Tectonophysics. 833:229296
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::802f21e5126e13444f54c9f6f40f1f2b
https://doi.org/10.1016/j.tecto.2022.229296
https://doi.org/10.1016/j.tecto.2022.229296
Publikováno v:
Journal of South American Earth Sciences. 76:290-305
The Archean-Paleoproterozoic Jequie (JB) and Itabuna-Salvador-Curaca (ISCB) blocks and their tectonic transition zone in the Valenca region, Bahia, Brazil are potentially important for ore deposits, but the geological knowledge of the area is still m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32f238475faf8710defd0086c38eaf51
https://doi.org/10.1016/j.jsames.2017.03.006
https://doi.org/10.1016/j.jsames.2017.03.006
Autor:
Edson E.S. Sampaio
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing. 55:2340-2350
Analysis of the propagation and attenuation of electromagnetic (EM) waves and of the dispersive properties of the dielectric permittivity and of the magnetic permeability of a propagating medium deals with the concept of signal velocity in electromag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30344ce92a6b0b72d035e6016103182d
https://doi.org/10.1109/tgrs.2016.2641965
https://doi.org/10.1109/tgrs.2016.2641965
Publikováno v:
Journal of Applied Geophysics. 180:104095
Geomagnetic Depth Sounding (GDS) is a natural source electromagnetic method used to investigate great depths of the Earth's interior to obtain the electrical conductivity distribution. GDS data from nineteen stations distributed in the Sao Francisco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::239b9e3526404022dc063bf5c254017e
https://doi.org/10.1016/j.jappgeo.2020.104095
https://doi.org/10.1016/j.jappgeo.2020.104095
Publikováno v:
Brazilian Journal of Geophysics. 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17e1a79e99d718b5b918a49e630db5f9
https://doi.org/10.22564/rbgf.v3i1.1020
https://doi.org/10.22564/rbgf.v3i1.1020
Publikováno v:
Interpretation. 1:T85-T100
Interpretation of airborne and ground magnetic and radiometric geophysical data is fundamental to provide support for geologic mapping and exploration of mineral resources. This is particularly important of the Itabuna-Salvador-Curaçá Block compone
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a89dddfbc8a6a71834c3d221683c2167
https://doi.org/10.1190/int-2012-0002.1
https://doi.org/10.1190/int-2012-0002.1