Search Results - "Pašteka, Roman"
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The combination of the regularized operators for horizontal/vertical differentiation and downward continuation in potential fields interpretation
Published in Journal of applied geophysics (01-11-2020)“…The differentiation operators (with respect to the Cartesian variables x, y and z) are part of several transformations of the potential fields. The resolution…”
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Vertical gravity gradient in volcano monitoring – In situ measured or theoretical? (Campi Flegrei study)
Published in Journal of volcanology and geothermal research (01-11-2024)“…We analyse the vertical gravity gradient (VGG) properties at calderas using the Campi Flegrei (CF) site in Italy. In situ observed VGG values can depart…”
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Regularization of vertical derivatives of potential field data using Morozov's discrepancy principle
Published in Geophysical Prospecting (01-10-2024)“…The calculation of the vertical derivatives of potential field methods can be carried out in a stable manner by Tikhonov regularization, but this procedure…”
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Normal vs. reverse fault – the example of curvature's usage on gravimetric data
Published in Contributions to geophysics & geodesy (07-12-2020)“…The gravitational effects caused by normal and reverse faults are very close to each other, both in amplitude and in the shape. We demonstrate the usage of the…”
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Creation of the first UXO detection test site in Slovakia at the Rohožník military training range
Published in Contributions to geophysics & geodesy (01-01-2023)“…In the development of geophysical methods for unexploded ordnance detection, a very important role is played by UXO test sites, where known ordnance and other…”
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Density function evaluation from borehole gravity meter data – regularized spectral domain deconvolution approach
Published in Geophysical Prospecting (01-01-2017)“…ABSTRACT We present a new method of transforming borehole gravity meter data into vertical density logs. This new method is based on the regularized spectral…”
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The comparison of different methods of determining the rock density from gravity data
Published in Contributions to geophysics & geodesy (01-01-2023)“…We focus on two methods of determining the density of the rock environment based on gravimetric measurements. The first method, a combined underground-surface…”
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Geological and tectonic interpretation of new Bouguer gravity anomaly map of Slovakia
Published in Geologica Carpathica (01-06-2023)Get full text
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Matlab tool REGCONT2: effective source depth estimation by means of Tikhonov’s regularized downwards continuation of potential fields
Published in Contributions to geophysics & geodesy (01-09-2018)“…Transformation based on downward continuation of potential fields is an important tool in their interpretation – depths of shallowest important sources can be…”
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Gravimetric inversion based on model exploration with growing source bodies (Growth) in diverse earth science disciplines
Published in AIMS mathematics (01-01-2024)“…Gravimetry is a discipline of geophysics that deals with observation and interpretation of the earth gravity field. The acquired gravity data serve the study…”
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Microgravity method in archaeological prospection: methodical comments on selected case studies from crypt and tomb detection
Published in Archaeological prospection (01-10-2020)“…Detailed and precise measurement of the Earth's gravity field (microgravity method) can be effectively used for the detection and quantification of subsurface…”
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Lithospheric density model along the CEL09 profile and its geological implications
Published in Geologica Carpathica (01-12-2021)Get full text
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Density inversion of selected microgravity anomalies using L2-smoothing and minimum support focusing stabilizers
Published in Contributions to geophysics & geodesy (15-03-2021)“…Interpretation and inversion of microgravity anomalies belong to important tasks of near-surface geophysics, mostly in cavities detection in engineering,…”
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Mapping hazardous cavities over collapsed coal mines: Case study experiences using the microgravity method
Published in Near surface geophysics (Online) (01-06-2021)“…ABSTRACT Examples of the application of microgravity mehtod for the detection of potentially hazardous (empty) underground cavities caused by the collapse of…”
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Geophysical fingerprints of shallow cultural structures from microgravity and GPR measurements in the Church of St. George, Svätý Jur, Slovakia
Published in Journal of applied geophysics (01-04-2016)“…Recording of the historic edifice using the state-of-the-art geodetic and geophysical techniques brings easier visualisation in form of a three-dimensional…”
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The refined Moho depth map in the Carpathian-Pannonian region
Published in Contributions to geophysics & geodesy (01-06-2018)“…We present a new digital Moho depth map of the Carpathian-Pannonian region. The map was produced by compiling Moho discontinuity depth data, which were…”
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Effective combination of microgravimetry and geoelectrical methods in the detection of subsurface cavities in archaeological prospection – selected case-studies from Slovakia
Published in Contributions to geophysics & geodesy (01-12-2019)“…This contribution is focused on a common utilization of microgravimetry (very precise and detailed gravimetry) and geoeletrical methods (ground penetrating…”
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High resolution Slovak Bouguer gravity anomaly map and its enhanced derivative transformations: new possibilities for interpretation of anomalous gravity fields
Published in Contributions to geophysics & geodesy (01-06-2017)“…The paper deals with the revision and enrichment of the present gravimetric database of the Slovak Republic. The output of this process is a new version of the…”
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The first pan-Alpine surface-gravity database, a modern compilation that crosses frontiers
Published in Earth system science data (19-05-2021)“…The AlpArray Gravity Research Group (AAGRG), as part of the European AlpArray program, focuses on the compilation of a homogeneous surface-based gravity data…”
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Microgravity and Ground-penetrating Radar Investigations of Subsurface Features at the St Catherine's Monastery, Slovakia
Published in Archaeological prospection (01-07-2013)“…ABSTRACT The ruins of the St Catherine's monastery complex, the largest sacral ruins in Slovakia, are an important example of Slovak cultural heritage. The…”
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