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All Journal Natural Science: Journal of Science and Technology POSITRON Gravitasi Jurnal Fisika FLUX SASINDO JURNAL BAHASA, SASTRA DAN PEMBELAJARANNYA Sasindo : Jurnal Pendidikan Bahasa dan Sastra Indonesia
Sabhan Sabhan
Jurusan Fisika FMIPA Universitas Tadulako Palu
Arts Humanities Astronomy Computer Science & IT Earth & Planetary Sciences Education Energy Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Other

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Journal : Natural Science: Journal of Science and Technology

 1 
ANALISIS STRUKTUR BAWAH PERMUKAAN DENGAN MENGGUNAKAN METODE SEISMIK REFRAKSI DI UNIVERSITAS TADULAKO Adnyawati, Ni Ketut; Efendi, Rustan; Sabhan, Sabhan
Natural Science: Journal of Science and Technology Vol 1, No 1 (2012)
Publisher : Univ. Tadulako

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Abstract

The method is one of the seismic refraction geophysical methods that can be used to determine the structure of the subsurface. The purpose of this study was to to determine the subsurface structure in the area Tadulako University. In this method, the waves generated on the surface of the Earth that will reach down into the surface of the soil or rock, then disuatu point of the boundary between two layers of rock wave is reflected back to the surface and partially transmitted down some refracts due to changes in rock density. Wave propagation below the surface will be detected by the geophones. Aqusisi and data processing method Intercept Time. Data processing is done in 2 stages, using the program and program pickwin Plotreva. The end result of this data processing is the image of the subsurface profile Tadulako University of 6 stretch consisting of three layers of the same. The first layer has a wave speed (V1) 300 m/s are expected mixing of sand gravel dominated by gravel, the second layer has a wave velocity (V2) 1000 m/s are suspected of mixing sand gravel dominated by sand and the third layer has a velocity 2000 m/s are expected mixing of sand and clay.
PEMODELAN TUMPAHAN MINYAK DI TELUK LALONG KABUPATEN BANGGAI Sabhan, Sabhan; Mudin, Yutdam; Babanggai, Marianus
Natural Science: Journal of Science and Technology Vol 3, No 2 (2014): Volume 3 Number 2 (August 2014)
Publisher : Univ. Tadulako

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Abstract

Oil distribution  cause environmental problems that disrupt marine ecosystems and reduce the aesthetic value of coastal waters in Gulf  Lalong Banggai. The aims of this study to build a 2D hydrodynamics model to see the patterns  of water mass movement and models of oil spill distribution base on the hydrodynamic models in Gulf of Lalong Banggai Regency (0°57'17,3 "latitude and 122 ° 47'52 " E) with a potential spill, location, volume, and duration of discharge of oil spills. Based on the results of models oil spill distribution in Gulf Lalong Banggai such us waters prone to oil spills.
Co-Authors Alan Frendy Koropitan Aryadi Aryadi Dewi Alfianti Fitriani Fitriani Marianus Babanggai Muhammad Fadil Muhammad Rusydi H. Mulia Purba Ni Ketut Adnyawati Rustam Effendi Rustan Efendi Sainul Hermawan Syaifullah Syaifullah Wahyulani, Sri Widodo S Pranowo Yasin, Moh Fatah Yutdam Mudin