Search Results - "Monteiro Santos, Fernando A"

Detailed detection of active layer freeze–thaw dynamics using quasi-continuous electrical resistivity tomography (Deception Island, Antarctica) by Farzamian, Mohammad, Vieira, Gonçalo, Monteiro Santos, Fernando A, Yaghoobi Tabar, Borhan, Hauck, Christian, Paz, Maria Catarina, Bernardo, Ivo, Ramos, Miguel, de Pablo, Miguel Angel

“…Climate-induced warming of permafrost soils is a global phenomenon, with regional and site-specific variations which are not fully understood. In this context,…”
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Contributions of hydrogeophysics to the hydrogeological conceptual model of the Albufeira-Ribeira de Quarteira coastal aquifer in Algarve, Portugal by Francés, Alain P., Ramalho, Elsa C., Fernandes, Judite, Groen, Michel, Hugman, Rui, Khalil, Mohamed A., De Plaen, Joel, Monteiro Santos, Fernando A.

“…Geoelectrical and electromagnetic (time and frequency domains) hydrogeophysical methods were applied and jointly interpreted together with auxiliary…”
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Fast, simultaneous and robust VLF-EM data denoising and reconstruction via multivariate empirical mode decomposition by Sungkono, Bahri, Ayi S., Warnana, Dwa D., Monteiro Santos, Fernando A., Santosa, Bagus J.

“…The measurement of Very Low Frequency Electromagnetic (VLF-EM) is important in many different applications, i.e, environmental, archeological, geotechnical…”
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Assessment of subsurface structural elements around greater Cairo by using integrated geophysical tools by Araffa, Sultan Awad Sultan, Monteiro Santos, Fernando A, Arafa-Hamed, Tarek

“…Geophysical techniques such as gravity, magnetic and seismology are perfect tools for detecting subsurface structures of local, regional as well as of global…”
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Inversion of self-potential of idealized bodies’ anomalies using particle swarm optimization by Monteiro Santos, Fernando A.

“…The particle swarm optimization (PSO) method was applied to the inversion of single and multiple self-potential (SP) data anomalies caused by buried bodies…”
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On the 3-D inversion of vertical electrical soundings: Application to the South Ismailia area—Cairo desert road, Cairo, Egypt by Monteiro Santos, Fernando A., Sultan, Sultan A.

“…A code for 3-D resistivity modelling and inversion of vertical electrical soundings has been developed based on the finite-element technique and regularisation…”
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A hydrogeological investigation using EM34 and SP surveys by MONTEIRO SANTOS, Fernando A, ALMEIDA, Eugénio P, CASTRO, R, NOLASCO, R, MENDES-VICTOR, Luis

“…EM34 and SP surveys were used to delineate shallow structures associated with the mineral water springs in the Vilarelho da Raia area located NE Portugal. This…”
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Lithosphere conductivity structure using the CAM‐1 (Lisbon‐Madeira) submarine cable by Monteiro Santos, Fernando A., Soares, António, Nolasco, Rita, Rodrigues, Helena, Luzio, Rafael, Palshin, Nick

“…SUMMARY Voltage measurements made in the CAM‐1 submarine cable located between Sesimbra (Lisbon) and Madeira Island have been used in combination with magnetic…”
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2D resistivity inversion of 1D electrical-sounding measurements in deltaic complex geology: application to the delta Wadi El-Arish, Northern Sinai, Egypt by Khalil, Mohamed Ahmed, Santos, Fernando A Monteiro

“…This study is an application of the 2D resistivity inversion of Schlumberger electrical sounding. The 2D resistivity inversion was performed using a code based…”
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Mapping soil salinity using electromagnetic conductivity imaging—A comparison of regional and location‐specific calibrations by Farzamian, Mohammad, Paz, Maria Catarina, Paz, Ana Marta, Castanheira, Nádia Luísa, Gonçalves, Maria Conceição, Monteiro Santos, Fernando A., Triantafilis, John

“…Soil salinization limits agricultural productivity and can ultimately cause desertification and land abandonment. One approach to assess soil salinity over…”
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Application of EM38 and ERT methods in estimation of saturated hydraulic conductivity in unsaturated soil by Farzamian, Mohammad, Monteiro Santos, Fernando A., Khalil, Mohamed A.

“…Soil apparent electrical conductivity is being considerably used as a surrogate measure for soil properties and hydraulic parameters. In this study,…”
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Groundwater flow pattern and related environmental phenomena in complex geologic setting based on integrated model construction by Tóth, Ádám, Havril, Tímea, Simon, Szilvia, Galsa, Attila, Monteiro Santos, Fernando A., Müller, Imre, Mádl-Szőnyi, Judit

“…[Display omitted] •Displaying hierarchic flow field in complex geology (porous, carbonate, fractured).•Construction of 3D groundwater flow model based on…”
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1D and 3D resistivity inversions for geotechnical investigation by Awad Sultan, Sultan, Monteiro Santos, Fernando A

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Constraining Unsaturated Hydraulic Parameters Using the Latin Hypercube Sampling Method and Coupled Hydrogeophysical Approach by Farzamian, Mohammad, Monteiro Santos, Fernando A., Khalil, Mohamed A.

“…The coupled hydrogeophysical approach has proved to be a valuable tool for improving the use of geoelectrical data for hydrological model parameterization. In…”
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Estimation of unsaturated hydraulic parameters in sandstone using electrical resistivity tomography under a water injection test by Farzamian, Mohammad, Monteiro Santos, Fernando A., Khalil, Mohamed A.

“…Hydraulic conductivity is an important soil property when determining the potential for water movement in topsoil and in spite of its importance; soil…”
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1-D laterally constrained inversion of EM34 profiling data by Monteiro Santos, Fernando A

“…In this paper, the applicability of a smooth regularised inversion technique to electromagnetic (EM) data collected along profiles using EM34 system is…”
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Application of Transient Electromagnetic and Audio-Magnetotelluric Methods for Imaging the Monte Real Aquifer in Portugal by Farzamian, Mohammad, Alves Ribeiro, Joana, Khalil, Mohamed A., Monteiro Santos, Fernando A., Filbandi Kashkouli, Mohammad, Bortolozo, Cassiano Antonio, Mendonça, João Lopo

“…Fifty transient electromagnetic (TEM) and 15 audio-magnetotelluric (AMT) soundings were carried out in the west central part of Portugal over an area of…”
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Mapping the basement architecture using magnetotelluric data across a coastal part of the Borborema structural province, Ceará – Brazil by Castelo Branco, R. Mariano G., de Castro, Neivaldo A., Leopoldino Oliveira, Karen M., Monteiro Santos, Fernando A., Almeida, Eugénio P., da Silva, Fabiano M., Castelo Branco, Jonathan L.

“…The Borborema Province (BP) constitutes part of the west Gondwana supercontinent formed by several tectonic collisions during Neoproterozoic, widely known as…”
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2-D and 3-D resistivity in the area of the Menkaure Pyramid Giza, Egypt by Abbas, Abbas Mohamed, Sultan, Sultan Awad, Santos, Fernando A. Monteiro

“…An area 47 × 26 m adjacent to the Queens’ pyramids near the Menkaure Pyramid, Giza, was examined using 14 parallel Wenner-Schlumberger profiles at 2 m…”
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Voltage measurements over the CAM-1 submarine cable between Madeira Island and Portugal mainland by MONTEIRO SANTOS, Fernando A, SOARES, Antonio, TRINDADE, Luis, NOLASCO, Rita, RODRIGUES, Helena

“…Data of electrical voltage measured between the ends of the CAM-1 cable, during fifteen months, have been analysed in order to determine the electrical…”
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