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INDONESIA
Indonesian Journal of Geospatial
Published by Institut Teknologi Bandung
ISSN : 20895054     EISSN : -     DOI : -
Core Subject : Science,
Earth & Planetary Sciences
Arjuna Subject : -
Articles 130 Documents
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Steric And Eustatik Effect Contributions To Sea Level Change Based On Altimetry Satellite Argo And Grace Satellite Data Within 1992-2012 Period (The Study Area: The Western Pacific Ocean) Prayudha Hartanto; Sella Lestari Nurmaulia; Kosasih Prijatna
Indonesian Journal of Geospatial Vol 2 No 1 (2013)
Publisher : Indonesian Journal of Geospatial

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Abstract

Abstract. The change of sea level in the western Pasific Ocean is one of the biggest change in the world. This is caused by steric and eustatic factors. In the period of 1992-2012, the total change of sea level in this area based on the Topex/Poseidon satellite data, Jason 1 and Jason 2, was 6. 982 ± 3.493 mm/year. Based on the temperature and salinity from Argo floats for the period 2000 "“ 2013,  the obtained high streic changes in sea level in the region is about 14.352 ± 13.002 mm/year. The result is a based on high steric sea level relative to 900 dbar pressure. To find the rise of eustatic sea level that caused by the changes in ocean mass, linear regression performed on the data Equivalent Water Thickness (EWT) of monthly GRACE satellites in the period January 2004 to April 2013. The magnitude of the linear trend EWT changes in this area is -0.4026 ± 0.1073 mm/year. This study concludes that the correlation between EWT and the SLA value is more significant than the correlation between high steric sea level and SLA. But further investigation is needed to determine the factor that contributes more to changes of sea level in the study area. This occurs due to the presence of still considerable correlation between the high steric sea level and ocean mass which is the independent variable in the equation of total sea level . To minimize these correlations , observations required high steric and ocean mass with a longer time span. Keywords : The change of sea level, steric, eustatic, the western Pasific Ocean, linear trend 
Development Of Virtual Reality Gis For Cultural Heritage Conservation (Case Study: Sewu Temple) Ririn Threesiana; Deni Suwardhi; Sugeng Riyanto
Indonesian Journal of Geospatial Vol 2 No 1 (2013)
Publisher : Indonesian Journal of Geospatial

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Abstract. Cultural heritage is an asset owned by any country that can tell behavior of people's life there. The story of the cultural heritage "“ one of them contained in archaeological object "“ is a story that have historical value and can not be replaced so we need to make the right efforts to conserve them, such as documenting the archaeological object we have, in this case is Sewu Temple Complex in Klaten, Central of Java. Conservation mean as branch of archeology that tries to preserve and manage archeological object to a lot of academic-practical interest (Yuwono, 2003). Geographic Information System that have storing, showing, and analyzing data ability, in the scope of conservation can used by archeologist for conserve or reconstruction. Principle of the development of virtual reality GIS for cultural heritage conservation is more directed to the terms of visualization. The several stage of this study are design the spatial database, data extraction "“ includes 3D modeling, 3D model georeferencing, 3D model segmentation, database implementation, and visualization process. The expectation result for this virtual reality GIS is an application that will represent 3-D visualization of Sewu Temple area, 3D models of each part of temple at LOD 2, LOD 3, until LOD 4. Beside that the application can be used for Temple reconstruction for more efficiently and effectively process. Keywords : Database, Virtual Reality GIS, Conservation, 3D Models 
Review System Geodetic Reference In Some Countries Heri Andreas; Dina A. Sarsito; Irwan Meilano
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 earth's static system , and the reference system , coordinates and Datum Reference Frame coordinates on the earth's 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
Methodology of Euler Rotation Parameter Estimation Using GPS Observation Data Henri Kuncoro
Indonesian Journal of Geospatial Vol 2 No 1 (2013)
Publisher : Indonesian Journal of Geospatial

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Abstract. Block model assumes that the plate / block is a rigid body and homogeneous so that its movement behavior can be quantified. The movement of this block can be represented by Euler rotation parameters consisting of Euler pole (latitude and longitude of Euler pole) and the rotation rate. Euler pole represent the location of the point is traversed by rotation axis whereas the rotation rate represent the magnitude and direction of the velocity of the block relative to the axis of rotation. This study explain the most effective methodology in the Euler rotation parameter estimation. One example of the application of this methodology is in Henri study's (2013), namely the Sunda block rotation parameter estimation. The methodology is explained about Euler rotation parameter estimation from the velocities data, strain analysis for defining the block deformation zone, statistical tests, and velocities transformation between the difference reference frame if the velocities data in difference frame are also included. This methodology is good enough to estimate the Euler rotation parameter for all existing blocks.Keywords : Euler pole, block rotastion, methodology
Land Use Change Mapping in Coastal Areas Subdistrict South Bontang, Bontang, East Kalimantan Province And Its Impact on Socio-Economic Aspects Arief Ilman Yusra; Wiwin Windupranata; Dwi Wisayantono
Indonesian Journal of Geospatial Vol 2 No 1 (2013)
Publisher : Indonesian Journal of Geospatial

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Abstract. The coastal area is a center of social activity and economic activity. As a center of social and economic activities, the coastal areas are potential areas to be developed and utilized as a result that there will be changes and land uses in the form of land use. Land use is a form of physical influence of human activities on the earth's surface. Land use of an area associated with population growth and activity. The increasing population and the more intense activity in the population of a region on the increasing impact of land use change. To view and control the land use changes land use monitoring needs to be done at a certain time. Monitoring of land use can be done by identifying and interpreting information from remote sensing data in the areas of land use that will be monitored. By comparing the two forms of land use from remote sensing data of different time at the same location, will be obtained by changes in land use as well as statistical data coupled with social and economic conditions. It can be in terms of changes in the land analysis to the socio-economic aspects of the local population. The results showed that land use changes with the addition of the largest area occurs on the settlement in the amount of 43.05 Ha while, land use changes  with the greatest reduction occurred in the vast open land in the amount of 93.08 Ha. Land use changes had positive impact on social aspect with increasing population of that work as many as 21,538 people and economic aspects with poverty who reduced amounted to 1.55%. Keywords : Land Use, Land Use Change, Social Economy, Coastal Area
As-Built Drawing Bangunan untuk Pendaftaran Hak Milik Atas Satuan Rumah Susun dalam Sistem Kadaster 3-Dimensi S. Hendriatiningsih
Indonesian Journal of Geospatial Vol 1 No 2 (2012)
Publisher : Indonesian Journal of Geospatial

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Continuous GPS Time Series Data Analysis in Sumatera; Case of Study: Continuous Data SuGAR (Sumatran GPS Array) 2004-2007 Sarah Leila Hanief; Irwan Meilano; Dudy Darmawan Wijaya
Indonesian Journal of Geospatial Vol 1 No 2 (2012)
Publisher : Indonesian Journal of Geospatial

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Abstract. In each GPS time series data, there are signals which exist and affect the result that has been received, which is called noise. Those noise components will form certain pattern in time series. Basically, time series has periodic component which commonly not being able to be detected directly. To detect which periodic component that dominantly affect the time series, there is a way which is called spectral analysis. With acknowledge periodic component in a time series, we can know the characteristic of the time series and then we can determine how many parameters will be needed to do curve fitting. There are two approximations in fitting, it is either linear fitting only or linear fitting with including periodic component. As a comparison between these two methods, we need to be estimate displacements velocity rate in a year. From the analysis that has been done, the result is that the biggest difference of displacements velocity rate between these two methods is 3.7 milimeters per year.Keywords: displacements velocity rate, fitting, periodic component, spectral analysis, time series.
Determination of ZNHD based on GPS Data, Radiosonde, and Numerical Weather Model Susilo Susilo; Dudy D. Wijaya; Wedyanto Kuntjoro; Joni Efendi
Indonesian Journal of Geospatial Vol 1 No 2 (2012)
Publisher : Indonesian Journal of Geospatial

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Abstract. Water vapor is a principal element in the thermodynamics of the atmosphere and plays an important role in clouds condensation, which eventually can affect the radiative energy balance. Water vapor cobservation is essential for monitoring global/regional scale of weather and climate changes. However, high variation of water vapor concentrations makes it difficult to observe accurately using the conventional meteorogical observation technique (radiosonde), which is limited in both space and time. Nowadays, accurate observation of water vapor can be accomplished by the Global Positioning System (GPS). In this research, we use 14 continuous GPS stations from Bakosurtanal to observe temporal characteristic of water vapor concentration over West Java region.Keywords: GPS, NCEP, radiosonde, topographic, ZNHD
Implementation of Marine Fishery Information System Model for The Increasing of Fisherman Prosperity (Case of Study: Pameungpeuk District, Garut City) Amanda Putri Rudiawan; Wiwin Windupranata; Dwi Wisayantono
Indonesian Journal of Geospatial Vol 1 No 2 (2012)
Publisher : Indonesian Journal of Geospatial

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Abstract. This research bring together the development and implementation of marine fishery information system model and study of up and down stream component that are indicated have significant impact for the increasing of fisherman prosperity in Cilauteureun fishery port (PPP Cilauteureun), Pameungpeuk. The model results a daily potential fishing zone (ZPPI) map that was distributes to the fisherman. Most of the fisherman in Cilauteureun are labor fisherman who have salary that is lower than the minimum regional salary/UMR (44% of UMR). Developed ZPPI maps contain information about the location of potential fishing zone, fishing route and distance, time and capital needed, and additional information about current, wind, and wave height. Operational cost efficiency resulted from the utilization of the ZPPI maps are 54% respectively for the small capacity vehicle/MT (less than 10 GT) and 41% respectively for bigger vehicle/KM (10-15 GT capacity). The efficiency also cause the MT labor fisherman salary increaing up to 219% (achieve 98% of UMR). The integration of upstream components (ZPPI maps, vehicles and equipments facility, and human resource quality) and downstream components (catchment result sales, traetment, and distribution system) also has important role for the prosperity progress of Cilauteureun local fisherman.Keywords: fishery information system, fisherman prosperity, fisherman salary increasing, fishing zone map, operational cost efficiency, PPP Cilauteureun.
Tectonic Strain in Sumatera Based on Continuous Sumatran GPS Array (SuGAR) Observation 2007-2008 Rino Rino; Irwan Meilano; Danny Hilman Natawidjaja
Indonesian Journal of Geospatial Vol 1 No 2 (2012)
Publisher : Indonesian Journal of Geospatial

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Abstract. Sumatra is located near the place where the collision between Indo-Australian Plate and Eurasian Plate heppened. When Indo-Australian Plate moves below Eurasian Plate, the friction that occur between both plates causes the strain is being accumulated. The strain that exceeds the elastic limit will be released as an earthquake. GPS observation in Sumatra was conducted to analyse the velocity of vector displacement and the heterogenous of tectonic strain on the surface as one of the tectonic indication to earthquake mitigation in the future. The result from data processing shows vector displacement in Sumatra has northeast direction that indicate inter-seismic and southwest direction that indicate post-seismic. The strain distribution is extension that indicate post-seismic equally scatteres dominantly in zone where happened Aceh earthquake on 2004, Nias earthquake on 2005, Bengkulu on Sptember 12th 2007, and earthquake on Mentawai Island on September 13th 2007. While strain as compression shows Sumatera still has inter-seismic effect.Keywords: compression, earthquake, extension, GPS.

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