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JGISE-Journal of Geospatial Information Science and Engineering
Published by Universitas Gadjah Mada
ISSN : 26231182     EISSN : 26231182     DOI : https://doi.org/10.22146/jgise.51131
Core Subject : Engineering,
Engineering
JGISE also accepts articles in any geospatial-related subjects using any research methodology that meet the standards established for publication in the journal. The primary, but not exclusive, audiences are academicians, graduate students, practitioners, and others interested in geospatial research.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 8 Documents
 1 
Search results for , issue "Vol 1, No 2 (2018): December" : 8 Documents clear
Analysis of the July 10th 2013 Tectonic Earthquake effect on the Coordinates Changes of Mentawai Segment Monitoring Station Hilmiyati Ulinnuha; Aris Sunantyo; Nurrohmat Widjajanti
Jurnal Geospasial Indonesia Vol 1, No 2 (2018): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgise.39350

Abstract

Mentawai Segment is located in Mentawai Islands, Sumatra, Indonesia. This segment is a subduction zone between Indo-Australian plate and Eurasian plate. This subduction zone can lead to high potential of tectonic earthquake in Mentawai Segment. The high potential of tectonic earthquake has negative impact for the community, so it is necessary to monitor the risk of tectonic earthquake in Mentawai Segment. This monitoring can be done by using GPS data of monitoring station that spread in Mentawai Segment. Therefore, this research aims to analyze the effect of tectonic earthquake on the coordinate change of Mentawai Segment, so that it can reduce the risk of negative impact of tectonic earthquake in Mentawai Segment. This research use observation data of 10 continuous GPS monitoring station (Sumatran GPS Data Array / SuGAr) in Mentawai Segment. Day of observation data was day of year (doy) at the time of tectonic earthquake occurence on July 10, 2013. Data processing used GAMIT / GLOBK software. The results of this research indicate that the tectonic earthquake (July 10, 2013) affected coordinates changes of the SuGAr station significantly two hours after the tectonic earthquake occurred.
Vs30 Mapping and Soil Classification in The Southern Part of Kulon Progo Using Rayleigh Wave Ellipticity Inversion Bambang Sunardi
Jurnal Geospasial Indonesia Vol 1, No 2 (2018): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgise.39780

Abstract

Shear wave velocity from the ground surface to a depth of 30 meters (Vs30) is a parameter to determine dynamic characteristics of the soil, which can be used to assess the level of seismic hazard. Thus, Vs30 mapping has an important role in seismic hazard mitigation efforts. Vs30 can be determined by Multichannel Analysis of Surface Waves (MASW) and Spatial Autocorrelation (SPAC) methods. A simpler alternative can be done by using Rayleigh wave ellipticity. The main objective of this research is to map Vs30 in the southern part of Kulon Progo using Rayleigh wave ellipticity inversion. In this study, Rayleigh wave ellipticity inversion was performed on 42 microtremor single measurement data, scattered in the southern part of Kulon Progo. The inversion results are used to estimate the value of Vs30 and classify the soil type at the measurement points, referring to SNI 1726:2012. A Vs30 distribution map and soil type classification are obtained by applying the geostatistical interpolation method. The mapping result showed that most of the southern part of Kulon Progo has a relatively low Vs30 value. These values are in the range of 180-342 m/s, which categorized as stiff soil (SD). In this region, some parts located in the hilly and transition zones have relatively high shear wave velocities in the range of 357-578 m/s and included in the category of very dense soil/ soft rock (SC) types
The Updating of the Nautical Chart Number 69 on Java Sea Area for Safety Navigation of Sailing Dwi Septri Hastuti; Bambang Kun Cahyono
Jurnal Geospasial Indonesia Vol 1, No 2 (2018): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgise.40086

Abstract

Indonesia is the largest archipelagic country in the world that has become one of the main routes in international marine trade by contributing 40% of all international marine trade routes. The importance of waterways in international trading demands the existence of nautical chart for navigation. Time after time, the sea changes, therefore nautical chart needs to be update especially on the area that has a high marine traffic density such as Java Sea which currently has developed an electronic map for navigation, however paper charts are still needed for planning shipping line, the navigation on small boats and backup of charts on large ships. The aim to be achieved from this research is the availability of the latest paper chart which is appropriate with IHO standard S-4, INT1 (symbols, abbreviations and terms used on charts), INT2 (the boundary lines, gradient, grid and linear scale) and Chart Number 1. Updating chart number 69 was created by using data Electronic Navigation Chart (ENC)  Northen part of Central Java region, data raster paper chart number 69  the ninth edition of the second expenditure, survey data 2017 in Cirebon and the Eastern part of Java Sea and Indonesian Notice to Mariners number 11-29 year 2017. Data obtained from the Pusat Hidrografi dan Oseanografi TNI-AL. The software used in production of nautical chart is Paper Chart Composer (PCC). Then it was added the updated data and information to the chart. The result of production a chart were corrected using digital and manual quality control analysis to eliminate errors in the process of production chart. As a result of updating nautical chart number 69 is that some of the objects that had been corrected have errors so it needs to be repaired until no more errors occur. The updating paper chart was already matched to standard IHO S-4 and INT1. The visualization of paper chart in accordance with the standard IHO INT2 and Chart number 1. The avaibility of paper chart number 69 with the update of data on the area of the Java Sea has been accomplished and can be used by mariner to navigation.
Analysis Comparison of Algorithms for Determination Concentration of Chlorophyll-a in Traditional and Intensive Milkfish Ponds Using LANDSAT 8 Images Nurhadi Bashit; Abdi Sukmono; Baskoro Agum Gumelar
Jurnal Geospasial Indonesia Vol 1, No 2 (2018): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgise.40276

Abstract

Indonesia is an Archipelago Country because the Country of Indonesia consists of many islands stretching from Sabang in the west to the island of Merauke on the east. The Archipelago Country also comes from the old name of the Indonesian Country called Nusantara, because Nusantara is a country that consists of many islands. Indonesia is an Archipelago Country which means it has potential resources in the coastal areas, one of which is found on the northern coast of Java. The coastal area is an important area to be reviewed, one of which is the use of coastal resources by paying attention to the condition of the ecosystem that remains stable. Opportunities for coastal area utilization in the field of fisheries are in the form of fishing activities or fish farming, especially pond cultivation activities. Based on data from the Department of Marine and Fisheries of the Province of Central Java in 2010, pond cultivation is one of the potential resources on the coast. This potential is supported by the government to increase fish production in order to increase the consumption of fish in the community. Therefore, it is necessary to choose the most effective method of pond cultivation between traditional methods and intensive methods to optimize fish production. One indicator of effectiveness between the two methods can be seen from the phytoplankton distribution. Phytoplankton contains chlorophyll-a in the body and is a natural food from fish. Phytoplankton provides important ecological functions for the aquatic life cycle by serving as the basis of food webs in water. Phytoplankton also functions as the main food item in freshwater fish culture and seawater fish cultivation. Therefore, it is necessary to know the chlorophyll-a concentration in the ponds of traditional and intensive methods to determine the concentration chlorophyll-a of the two pond methods. One method used to determine the concentration of chlorophyll-a using remote sensing technology. Remote sensing technology can be used to determine the concentration of chlorophyll-a using the Wouthuyzen, Wibowo, Pentury, Much Jisin Arief and Lestari Laksmi algorithms. The results showed that the Pentury algorithm was relatively better to determine the concentration of chlorophyll-a in shallow waters (ponds). The lowest concentration of chlorophyll-a in traditional ponds is 0.47068 mg/m3, the highest concentration is 1.95017 mg/m3 and the average concentration is 1.12893 mg/m3, while in intensive ponds the lowest concentration is 0.36713 mg/m3, the concentration the highest is 3.17063 mg/m3 and the average concentration is 1.53556 mg/m3.
Development and Definition of Prambanan Temple Deformation Monitoring Control Points Rochmad Muryamto; Muhammad Iqbal Taftazani; Yulaikhah Yulaikhah; Bambang Kun Cahyono; Anindya Sricandra Prasidya
Jurnal Geospasial Indonesia Vol 1, No 2 (2018): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgise.40788

Abstract

Since 1991, Prambanan Temple has been recognized by UNESCO as a cultural heritage of a historic building. In its construction, the Prambanan temple was established in a labile soil structure in the sandy soil and not far from the Opak River. In the geological map of Yogyakarta, there is a fault under the Opak River landscape. This fault under the Opak River has caused an earthquake in 2006. Because of its position in disaster-prone areas, regular monitoring of the geometric aspects of Prambanan Temple is very necessary.This research aims to build a deformation monitoring control point in Prambanan Temple. Eight control points, consist of three existing points and five new points are built around Prambanan Temple. These eight control points then were measured by observing GNSS for 1x24 hours in order to define their coordinates. GNSS data processing is done using GAMIT 10.70 software with two strategies, namely (1) processing with regional binding points, in this case using IGS BAKO and JOG2 stations, and (2) processing with global binding points using IGS COCO station reference points, DARW, KARR, POHN, PIMO, DGAR, and IISC. This research yields the establishment of Prambanan temple deformation control points and their coordinates and standard deviation in two processing strategies. The smallest standard deviation in the first strategy is 0.0787 m on the Z-axis for points of PRO1 and PR03. The biggest standard deviation is 0.1218 m on the Y-axis at point of PR02. In the second strategy the smallest standard deviation is 0.0036 m on the Z-axis for points of PR01 and PR03. The biggest standard is 0.0141 m on the Y-axis at point of PR02.
Expedition Oe: A Visual-Storytelling Map on Rote Island’s Lakes Dany Laksono
Jurnal Geospasial Indonesia Vol 1, No 2 (2018): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgise.40861

Abstract

Rote Island has long been known as a tourism destination, especially for its beaches and small islands which are well known surfing spots. However, many other aspects of Rote Island, such as its inland waters, left unexplored and are unknown to tourists or stakeholders. The lack of infrastructure is one of the factors causing underdevelopment in these area. This paper reports the outcome of an expedition set to uncover the uniqueness of Rote Island’s tourism potential, especially on its inland waters. The expedition involves researcher from some of Indonesian institutions related to inland waters, such as LAPAN, LIPI, PUPERA, KLHK and KKP to conduct some preliminary research on Rote Island’s saltwater lake. Mobile devices equipped with GIS software were used to obtain data during the survey. Some of the findings including the misleading toponyms found in online sources of the lakes, the biogeophysical condition of the lakes, as well as vegetations and wildlife of the area. The Rote Island Snake-necked Turtle (Chelodina Mccordi) is one of the near-extinct species which habitat needs to be identified and well-preserved, thus tourism should take into account natural preservation in the lakes and its surroundings. Based on the results we suggest that a Geopark should be initialized in and around Rote Island’s lakes. These findings are presented as a storytelling map, both to attract tourism and to emphasize the geospatial aspects of the lakes. A WebGIS is also developed to integrate data from different institutions to aide decision making. The result is geopark4rote.com, which present the storytelling map and WebGIS to be used by tourist and decision makers alike to explore the richness of Rote Island through geospatial data.
Utilization of Tide Observation and Satellite Altimetry Data for Detecting Land Vertical Movement Maritsa Faridatunnisa
Jurnal Geospasial Indonesia Vol 1, No 2 (2018): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgise.41411

Abstract

Indonesia is one of the country that often experiences earthquakes and volcanic eruptions because of its position on the meeting point of three active tectonic plates, namely the Eurasian, Indo-Australian and Pacific plates. This causes movement or deformation both horizontally and / or vertically. Current movement monitoring is done using GNSS technology. However, the distribution of monitoring points are not spread evenly and the results of GNSS observation have weaknesses in their vertical components. An alternative method for monitoring movement especially in vertical components is using combination of tide observation and satellite altimetry data. The measurement concept of satellite altimetry produces absolute sea level values and its not affected by plate movements,besides tidal measurements which sensors are installed on the ground so that the sea level values are affected by land uplift or subsidence at that location. This study used main data, namely long-period tidal observation data and GDR (Geophysical Data Record) satellite altimetry. GNSS observation data is needed as a control of vertical movement. The differences in spatial and temporal resolution of tidal observation and satellite altimetry are overcome by two methods, namely the daily and monthly methods. Each of these methods will produce an annual SLR value (Sea Level Rise) from tidal data and satellite altimetry calculated using linear regression. The difference between the tidal and satellite altimetry data trends is compared with the vertical movement value from GNSS data. The results of the study indicate that the determination of vertical movement can be done using tidal observation and satellite altimetry data, especially using the monthly method. The trend of vertical movements of tidal observation and satellite altimetry data shows the same pattern with land vertical movement of GNSS data even though the value is different. Therefore, the method to determine vertical movement from hydrological data can be used as an initial observation on a coastal area regarding the phenomenon of vertical movements that occur in the area.
Development of Spatio-Temporal Database Prototype For Management of 4-Dimensional Cadastre Object In Indonesia Miranty Noor Sulistyawati; Trias Aditya; Purnama Budi Santosa
Jurnal Geospasial Indonesia Vol 1, No 2 (2018): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgise.41680

Abstract

The dynamics of the Indonesian population has increased causing the need for cadastral objects to increase. 2D and 3D cadastral objects change over time. Cadastral objects have spatial and juridical data changes every day. These changes can be caused by the transfer of rights, changes of rights, split and merging cadastral objects. Changes are recorded and stored as a history of cadastral objects (4-dimensional cadastre). Historical data on cadastral objects can be categorized as one of the big data in the cadastre sector, based on the frequency of recording data. The data can be used to track changes in cadastral objects so that they can avoid disputes. Spatial data in this case is very vulnerable data to cause disputes if the shape, position and size do not match the conditions in the field, and need special attention in integrating with the juridical data. This paper aims to identify methods for storing spatial data of 4D cadastral objects that are suitable for Indonesia. The importance of storing cadastral objects and their history causes researchers and cadastre experts in the world to formulate international standards in managing spatial and juridical data along with a history of cadastral objects (4D cadastre). LADM is an international standard conceptual model (ISO 19152) which can show the legacy of a cadastral object expressed in RRR (Rights, Restriction and Responsibility). In LADM, there is a VersionedObject class that represents various versions or a history of spatial units, object registration, owner and administration. Several studies conducted by researchers in the world were compared in this paper to find methods for applying LADM and VersionedObject classes. That methods were implemented in this paper to design a database of spatio-temporal 4D cadastre. Finally a prototype of spatial-temporal database will be produced to manage 4D cadastral objects.

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