Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Mahmoud Mehramuz"'
Publikováno v:
Contributions to Geophysics and Geodesy, Vol 52, Iss 2, Pp 281‒305-281‒305 (2022)
In this paper, the optimization algorithm based on the population as improved global particle swarm optimization is described and used for inverse modelling of two-dimensional magnetic field data. This algorithm is able to estimate the parameters of
Externí odkaz:
https://doaj.org/article/4d6c6736282c4dee9fbfc624c9b2d739
Autor:
Soudeh LONI, Mahmoud MEHRAMUZ
Publikováno v:
Contributions to Geophysics and Geodesy, Vol 50, Iss 3, Pp 303-323 (2020)
In this paper, for the first time an Improved Particle Swarm Optimization (IPSO) algorithm, is developed to evaluate the 2.5-D basement of sedimentary basin and consequently to simulate its bottom, by using the density contrast that varies parabolica
Externí odkaz:
https://doaj.org/article/2b7f5403e1ba479c95f60d3028cfb503
Publikováno v:
Contributions to Geophysics and Geodesy, Vol 50, Iss 3, Pp 377-393 (2020)
Regarding Bayesian probability theory is an appropriate and useful method to estimate parameters in seismic hazard analysis. The analysis in Bayesian approaches is based on a posterior belief, also their special ability is to take into account the un
Externí odkaz:
https://doaj.org/article/c401b1f50af940cfa0503e5b0d41ace4
The main purpose of this study is to investigate the temporal changes in the attenuation of coda waves before and after the 7.3 magnitude Kumamoto earthquake in the Kumamoto region of Japan. In this study, the single back scattering method has been u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c07edc07f9d829243af19febfb144ce
https://doi.org/10.21203/rs.3.rs-2249946/v1
https://doi.org/10.21203/rs.3.rs-2249946/v1
Publikováno v:
Nexo Revista Científica. 34:1180-1199
In this study, we have implemented an edge-based finite element method for the numerical modeling of the transient electromagnetic method. We took the Helmholtz equation of the electric field as the governing equation for the edge-based finite elemen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60d207a24bee3ecc6c8c349f43b9285f
https://doi.org/10.5377/nexo.v34i04.12647
https://doi.org/10.5377/nexo.v34i04.12647
Autor:
Ali Hamzeh, Mahmoud Mehramuz
Publikováno v:
Journal of African Earth Sciences. 149:207-214
In this article, the probability tomography imaging method is applied to airborne vertical gravity gradient data to detect anomalies and estimate their depths and locations. First, the subsurface is divided into a 3D regular grid. Then, the probabili
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f7a99d9be2a9292ace46d99b4d4130d
https://doi.org/10.1016/j.jafrearsci.2018.08.009
https://doi.org/10.1016/j.jafrearsci.2018.08.009
Publikováno v:
Journal of Geodynamics. 143:101812
The knowledge about spatial variation of stress field is an important step in the identification of geodynamic and seismotectonic characteristics. Inversion of focal mechanism solutions is one of the most common methods for determination of stress fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7014312644923c90da4113caa0ec4a0
https://doi.org/10.1016/j.jog.2020.101812
https://doi.org/10.1016/j.jog.2020.101812
Publikováno v:
Arabian Journal of Geosciences. 8:1513-1520
Determining precise separation between geoid and quasigeoid is of great importance in physical geodesy. Different methods are used in order to obtain this quantity at any point on the earth surface. In this paper, the geoid–quasigeoid separation is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fc2a2cebd4fd2a7beaffae73f6363d6
https://doi.org/10.1007/s12517-013-1213-x
https://doi.org/10.1007/s12517-013-1213-x
Publikováno v:
Arabian Journal of Geosciences. 8:1497-1512
The main purposes of this study are to determine the fault position and possible crushed zones, general position and qualitative image of injection curtain, topology of cavities, and weak areas, and also examine deep extension of existing cracks in B
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51d8d7f5af8b4e57085b21798055357c
https://doi.org/10.1007/s12517-013-1214-9
https://doi.org/10.1007/s12517-013-1214-9
Publikováno v:
Arabian Journal of Geosciences. 7:4279-4290
In this article, separation between the geoid and the quasigeoid was calculated using ground gravity data and the data extracted from two Global Geopotential Models (GGMs). The calculated results were compared together. To do so, the authors used the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14b694ed9cd84bb3c480b9c68aa02d19
https://doi.org/10.1007/s12517-013-1014-2
https://doi.org/10.1007/s12517-013-1014-2