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All Journal Jurnal Sains Dasar Natural B Scientific Journal of Informatics JOURNAL ONLINE OF PHYSICS Jurnal Fisika FLUX Jurnal Inovasi dan Pembelajaran Fisika Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Pendidikan Fisika dan Keilmuan (JPFK) DEVELOPMENT : Journal of Community Engagement Jurnal Pijar MIPA Jurnal Mahasiswa Dirgantara
Agus Suprianto
Jurusan Fisika FMIPA Universitas Jember
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Journal : Jurnal Fisika FLUX

 1 
Simulasi Perambatan Gelombang Georadar (GPR) pada Suatu Media Berlapis Agus Suprianto
Jurnal Fisika FLUX Vol 6, No 1 (2009): Jurnal Fisika Flux Edisi Februari 2009
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (795.5 KB) | DOI: 10.20527/flux.v6i1.3046

Abstract

The simulation of the wave propagation of the radar in the sub-surface was very important to be understood before being carried out of field acquisition,to maximize the design of the acquisition and to optimized radar gram data’s.One of the approaches in the simulation of the data was to use propagationmodeling of the electromagnetic wave by using the Finite Difference TimeDomain solution (FDTD). Modeling of electromagnetic wave propagation in theGPR requires a solution of Maxwell’s equations or present a finite-differencetime-domain (FDTD) solution of Maxwell’s that permit accurate computation ofthe radiated field from a transmitting antenna. Propagating through the air-earthinterface, scattering by subsurface targets and reception of the scattered fieldsby receiving antenna. This technique is second-order accurate in time andfourth-order accurate in space. In this paper, I demonstrate the synthetic radargram by applying this technique to two-dimensional examples from a subsurfaceof stratified media.
Investigating The Presence Of Groundwater At Landslide Affected Areas Using The 2D Geoelectrical Method (Case Study Of Argopuro Mountain Slope At Suci Village, Jember) Nurul Priyantari; Agus Suprianto; Irdiana Faiqah
Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat Vol 20, No 3 (2023): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v20i3.16078

Abstract

The presence of groundwater and landslides have a close relationship, especially in the context of the influence of groundwater on slope stability. High groundwater levels can cause an increase in hydrostatic pressure on slopes, reduce soil carrying capacity, and reduce friction between soil particles. A decrease in the carrying capacity of the soil causes a decrease in the carrying capacity of the soil on the slopes. This condition can lead to a decrease in slope stability and the potential for landslides to occur. Therefore, it is essential to map subsurface conditions in landslide-affected areas and identify the potential aquifers. One of the geophysical methods that can describe this is the resistivity geoelectric method. The working principle of the resistivity geoelectric method is to inject an electric current into the soil through a pair of current electrodes and then read the electric potential difference through a pair of potential electrodes so that the resistivity value in the medium below the soil surface can be determined. Data collection was carried out in three tracks. The resistivity value on the first track is in the range (4.09 – 0.5) Ωm and reaches a depth of 31.6 m. The resistivity value on the second track is in the range (6.91 – 105) Ωm and reaches a depth of 31.6 m. The resistivity value on the third track is in the range (13.1 – 512) Ωm and reaches a depth of 15.9 m. Finally, there are also indications of the presence of groundwater in the first and second tracks, which are characterized by low resistivity values in the resistivity cross-sectional images
Co-Authors Afriedha Atika Tiffany Agus Subekti Agustini Ari Setiawan Aryono Adhi, Aryono Assaiq, Muhammad Royhan Cahyono, Bowo Eko Ellianawati, Ellianawati Faridatur Riskiya Freddy, Franciscus gladys ningtyas Hudan Mudaris Irdiana Faiqah Khaerul Anwar Khaerul Anwar Linggar Ayu Octaviani Mohammed Abdulwali Novi Anivatul Karimah Nurfaizatul Jannah Nurul Priyantari Nurul Priyanti Sismanto Sismanto Supriyadi Supriyadi Suryanto, Wiwit Toviatun Toviatun Wahyudi Wahyudi Wahyudi Wahyudi