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All Journal MAJALAH ILMIAH GLOBE Geoid - Journal of Geodesy and Geomatics
Meiriska Yusfania
Institut Teknologi Sepuluh Nopember
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education Engineering Environmental Science

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KAITAN ANTARA ASPEK PENENTUAN POSISI, PEMETAAN, DAN SISTEM INFORMASI GEOGRAFIS SERTA PERMASALAHANNYA DENGAN SUPLEMEN ELEMEN-ELEMEN SISTEM KOORDINAT Soeryamihardja, R. Danoe; Sedayu, Pipien M.; Yusfania, Meiriska; Julian, Miga M.
MAJALAH ILMIAH GLOBE Vol 10, No 1 (2008)
Publisher : Badan Informasi Geospasial

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Abstract

Penentuan posisi, pemetaan dan Sistem Informasi Geografis (SIG) merupakan keping-keping mosaik pada suatu permasalah geodesi dan geomatika. Antara keping satu dan lainnya pasti saling berkaitan. Masalahnya tidak semua orang menganggap antara keping tersebut sebagai-kesatuan. Sebagai seorang geodet harus dapat memandang sebuah permasalah godesi dan geomatika sebagai suatu aspek penentuan posisi, pemetaan, dan SlG sebagai mosaik yang saling mendukung. Pada makalah ini disajikan sebuah studi kasus tentang permodelan erosi, sehingga terlihat jelas hubungan dan peran antara ketiga aspek tersebut. Selain itu, dari ketidakseragaman data masukan dalam penentuan erosi dapat dikaji pula mengenai variasi sistem koordinat setiap data serta proses penyeragamannya guna keberhasilan proses selanjutnya.ABSTRACTPositioning, mapping and Geographic Information Systems (GIS) are mosaic pieces on a problem of Geodesy and Geomatics. One and the other pieces must be interrelated. The problem is that not all people think of these pieces as a whole. Geodetists should look at  a problem in Geodesy and Geometics as an aspect of positioning, mapping, and GIS as a mosaic of mutually supportive. This paper will present a case study on modeling of erosion, so that relationship and role of the three aspects become apparent. ln addition, different input data for determination of erosion can be used to assess the variation of coordinate system for every data set.Kata Kunci: Posisioning, Pemetaan, SIG, Model, ErosiKeyword: Positioning, Mapping, GIS, Model, Erotion
PEMODELAN MEKANISME GEMPA BUMI PADANG 2009 BERDASARKAN DATA SUGAR Yusfania, Meiriska; Anjasmara, Ira Mutiara; Sanjiwani, I Dewa Amertha
GEOID Vol. 12 No. 1 (2016)
Publisher : Departemen Teknik Geomatika ITS

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Abstract

Indonesia is located among three tectonic plates, namely Eurasia, Hindia-Australia and Pasific plate. It is affected some tectonic activities such as earthquake and volcano eruption at nearest tectonic zone. On September 31st 2009 around Padang, Pariaman, epicenter 99 52’1.2”E; 0 43’12”S, occurred an earthquake with magnitude 7.6 Mw and as one of disaster mitigation action in the earthquake zone societies, geodynamic analysis nowdays is needed in modelling the earthquake probability. Geodynamic study is easier to be completed by using continued GPS method. It can be analyzed the displacement  at the earthquake phase. This research will examine modelling mechanism earthquake (coseismic) Padang 2009 by GPS continued method using GPS network Sumatran GPS Array (SuGAr) and dislocation model elastic half-space. The results showed that the biggest displacement happened in MSAI station with -6.26 mm on horizontal axis (easting, northing) and TLLU station with 20.83 mm on vertical axis (up). The most fit model for visualizing the mechanism earthquake Padang 2009 is model number 3 with the parameters of width 69 km, slipage -5 m and dipping angle 12.762 . Model number three represented mechanism earthquake Padang 2009 because the highest score of correlation which is -0.71965mm in horizontal displacement and 0.75906 in vertical displacements. It shows that earthquake mechanism that happened in Padang is Thrust Fault
Co-Authors Fahruddin Ulinnuha Ihsan I Dewa Amertha Sanjiwani Ira Mutiara Anjasmara Ira Mutiara Anjasmara, Ira Mutiara Miga M. Julian Mokhamad Nur Cahyadi, Mokhamad Nur Sanjiwani, I Dewa Amertha Sedayu, Pipien M. Soeryamihardja, R. Danoe