Dina A. Sarsito, Dina
Kelompok Keilmuan Geodesi Fakultas Ilmu dan Teknologi Kebumian Institut Teknologi Bandung LABTEX IXC Jl. Ganesha 10 Bandung 40132 – Indonesia

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Studi Pemantauan Penurunan Muka Tanah di Cekungan Bandung dengan Metode Survei GPS dan InSAR Gumilar, Irwan; Z. Abidin, Hasanuddin; Hutasoit, L.M.; Hakim, D.M.; A. Sarsito, Dina; Andreas, H.; P. Sidiq, Teguh
Indonesian Journal of Geospatial Vol 1, No 1 (2012)
Publisher : Indonesian Journal of Geospatial

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Abstract

Abstract. Land subsidence is a phenomena that has been commonly occurs in big cities around the world. Especially in Indonesia, Bandung as the one of big cities in Indonesia, has been identified for land subsidence. This land subsidence is suspected to ground water explotation by the factories which are located around Bandung basin. Land subsidence has caused many problems, such as damage to houses, buildings, and infrastructures (roads, bridges, etc.), and as the most serious problem is that land subsidence can increase the size of areas susceptible for flooding. In 2010 was noted that for almost the whole year, in the south Bandung experienced a terrible flood. Seeing the causes which is caused by land subsidence, it is a necessary to do charachteristic mapping of land subsidence. As one of the method that will be use for monitorizing the land subsidence is using GPS (Global Positioning System) survey and InSAR (Interferometry Synthetic Aperture Radar). In this paper, will be explained about land subsidence that occur in Bandung from GPS data. Keywords : GPS, groundwater, InSAR, land subsidence.
Review System Geodetic Reference In Some Countries Andreas, Heri; A. Sarsito, Dina; Meilano, Irwan
Indonesian Journal of Geospatial Vol 2, No 1 (2013)
Publisher : Indonesian Journal of Geospatial

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Abstract. Two important things in the scope of Geodesy and Geomatics engineering and geodetic science is positioning and coordinates. The position is defined simply as the existence of an object to other objects , while the coordinate is defined as a position statement quantitatively , or others mentioned in the definition of the coordinates is a quantity (numerical) to declare the location or position of a point (object) in a chamber (field) . To ensure consistency and standardization of a coordinate , which applies to the local system to the global (world) , it is necessary to declare the existence of a coordinate system . This system is called the coordinates reference system or Geodetic Reference System , with elements of a constituent or parameter consist of Reference Frame and coordinates Reference System on the earths static system , and the reference system , coordinates and Datum Reference Frame coordinates on the earths dynamic systems . Datum Coordinates further divided into several types of Datum Static, Semi Dynamic , Dynamic , Semi Kinematic and Kinematic .What Geodetic Reference System which is generally used in the global scope ( the world ) will be discussed in this paper . Hope this theme can be one basis when we as a community of Geodesy and Geomatics , or even national community select or determine what the true Geodetic Reference System . This paper will also discuss specifically Geodetic Reference System in several countries . Keywords : Positioning, Coordinate, Geodetic Reference System, Coordinate Datum