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Muhammad Aldila Syariz
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aldilasyariz@its.ac.id
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Geomatics Engineering's Building, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
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Kota surabaya,
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INDONESIA
Geoid - Journal of Geodesy and Geomatics
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : 18582281     EISSN : 24423998     DOI : https://doi.org/10.12962/geoid.v20i1
Core Subject : Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Engineering Environmental Science
General topics of interest include: - Geodesy and geomatics development theory - Geodesy and geomatics applications - Natural Disaster - Land and Ocean Development - Natural Resources - Environment - Science and technology in Mapping and Surveying - Earth Sciences A further issue related to geodesy and geomatics engineering such as: - Optical Remote Sensing and Radar Remote Sensing - Cadastre and 3D Modeling - Geodynamics theory and application - Geospatial - Land Surveying - Geomarine - Photogrammetry
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Ilmu Bumi dan Planet (Lain-Lain)
Articles 15 Documents
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Search results for , issue "Vol. 11 No. 2 (2016)" : 15 Documents clear
3D VISUALIZATION OF CULTURAL HERITAGE USING TERRESTRIAL LASER SCANNER (A Case Study : Monument of Heroes, Surabaya, East Java) Pribadi , Cherie Bhekti; Handayani, Hepi Hapsari; Rachmawan, Firdiansyah Eka
GEOID Vol. 11 No. 2 (2016)
Publisher : Departemen Teknik Geomatika ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/geoid.v11i2.1502

Abstract

Research subjects reported was the visualization of three-dimensional (3D) surface models in three-dimensional mapping survey using terrestrial laser scanning (TLS). Tugu Pahlawan (Heroes Monument), located in Surabaya city center near the office of the Governor of East Java was chosen as the research object.Laser technology instruments used for comparison is GeoMax Zoom 300 (Terrestrial Laser Scanner) and Gowin TKS-202 (Electronic Total Station) as well as for geodetic GPS coordinates and altitude reference measurement Heroes Monument are georeferenced. Coordinate measurement results Electronic Total Station and Terrestrial Laser Scanner are then converted into global coordinates (UTM) using georeferencing process from Geodetic GPS measurement results. Coordinates, diameter and height of Tugu Pahlawan calculated for each model. Statistical test is used as data validation terrestrial laser scanner with electronic total station.With 90% confidence interval on statistical tests, 80% of them into confidence intervals. Height of Tugu Pahlawan according to archived data is 41.448 m, in contrast with the results of measurements from Total Station is 41.144 m, while the results of TLS is 41.447 m. Statistical test results concluded that the height of heights TLS is outside the confidence interval. Expected in the future, such as the visualization of 3D surface models can be used for documentation, preservation and reconstruction of cultural heritage.
COASTLINE CHANGES DETECTION USING SENTINEL-1 SATELLITE IMAGERY IN SURABAYA, EAST JAVA, INDONESIA Bioresita, Filsa; Hayati, Noorlaila
GEOID Vol. 11 No. 2 (2016)
Publisher : Departemen Teknik Geomatika ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/geoid.v11i2.1503

Abstract

One of the most important linear features on the earth’s surface is coastline. Coastal zone and its environmental management require the information about coastlines and their changes, which display a dynamic nature. The coastal area of Surabaya has the most dominant sedimentation. This is due to the presence of several large rivers flow in the area, which brings sediment to the estuary. In addition, the development of Suramadu bridge that across Madura strait, connecting Java and Madura islands, has opened an opportunity for the areas around the Suramadu Bridge to be the region of industry activities in East Java. It can give sizeable influence for the physical change that happens around the Suramadu Bridge in particular south coastal area of Bangkalan, Madura and north coastal area of Surabaya as the change of coastline and the wide change of land area caused by natural factor or human activities. Sentinel-1 is one of a Sentinels technology which is a polar-orbiting, all-weather, day-and-night radar imaging mission for land and ocean services at C-band. This image is not limited by weather conditions or darkness and effective to separate land and water objects. The availability of Sentinel-1 images that have high spatial resolution and high temporal frequency, facilitate the monitoring of coastline changes. The aim of this paper was to analyze the ability of Sentinel-1 imagery to delineate coastline and their changes. Detection of the coastline changes can be done by choosing the best extracted parameter from Sentinel-1 and by setting threshold for land and water separations. Furthermore, the results of processed images were overlayed based on multi temporal. From this research, it could be expected that sigma-nought from VH polarization is the best parameter for the land and water separations which threshold determination is according to the distribution values of sigma-nought. However, there are no big differences of coastline changes viewed by changes detection in some Sentinel-1 images since the monitoring was carried out every month.
CHLOROPHYLL-A SPREAD ANALYSIS USING MERIS AND AQUA MODIS SATTELLITE IMAGERY (Case Study: Coastal Waters of Banyuwangi) Taufik, Muhammad; Wiliyanto, Nico
GEOID Vol. 11 No. 2 (2016)
Publisher : Departemen Teknik Geomatika ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/geoid.v11i2.1504

Abstract

Indonesian is the archipelago country, 2/3 of the total area of Indonesia is the ocean. Oceans become a source of life for Indonesia people, including in the region of Banyuwangi. The potential of marine products in Banyuwangi regency not only fish, but also there are squid, crab, shellfish and others. Existence of fish can not be separated from the marine ecosystem, especially the food producers who are in the sea, the chlorophyll-a in phytoplankton. Information used to obtain the distribution of chlorophyll-a concentration value can be obtained from the data processing Aqua MODIS and Envisat Meris satellite imagery; which is reinforced by in situ data in the form of sea water sampling tested in the laboratory. Image processing using algorithms ATBD-19 for the Aqua MODIS imagery and algorithms Case-2 Water Processor (C2WP) for Envisat MERIS imagery. From this research, obtained a map of the distribution of chlorophyll-a concentrations in coastal waters of Banyuwangi generated from satellite image processing and analysis of several in situ data, based on the parameters of chlorophyll-a concentration. These results can be concluded that Aqua MODIS has a strong enough correlation to data in situ, with a correlation coefficient of r2 amount 0.5495. While the correlation between data in situ with Envisat MERIS imagery is quite weak with r2value amount 0.3782.
ORBIT REDUCTION IN INSAR FOR DEFORMATION OBSERVATIONS MOUNT MERAPI Agustan, Agustan
GEOID Vol. 11 No. 2 (2016)
Publisher : Departemen Teknik Geomatika ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/geoid.v11i2.1505

Abstract

Ground deformation is an important parameter to monitor volcanic activities. It reflects the dynamic processes beneath the surface and should be monitored to understand the volcano status. One technique to monitor ground deformation is Interferometric Synthetic Aperture Radar (InSAR) which works based on radar data that observed whether by airplane or satellite. One important factor in InSAR data processing is orbital effect that appears as a systematic phase in interferogram. The systematic orbital phase can be modelled by mathematical approach especially polynomial equation. This article assesses the utilization of polynomial approach to reduce the orbital phase by using free open source software. As a case study, ALOS-PALSAR data for Merapi Volcano is chosen and it is found that the polynomial function order 2 to 4 is suitable to reduce orbital phase for InSAR estimates after phase unwrapping process.
DIGITAL RECONSTRUCTION OF SINGOSARI TEMPLE USING STRUCTURE FROM MOTION METHODS Hidayat, Husnul; Cahyono, Agung Budi
GEOID Vol. 11 No. 2 (2016)
Publisher : Departemen Teknik Geomatika ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/geoid.v11i2.1506

Abstract

Singosari temple is one of cultural heritage building in Indonesia. This temple is located in Singosari District, Malang Regency, East Java, about 9 kilometers from Malang City to Surabaya. This temple is predicted to be built in 1300s and has been restorated by Dutch colonial government in 1934-1937. Today, there are some incomplete parts at the temple. Due to its history and recent condition, the documentation of this building becomes so important not only for archaeological purposes, but also education and tourism. This research aims to make documentations about this temple by digital 3D model reconstruction. The main data which used in this research are 39 terrestrial images of the temple which were taken with digital camera. Then, the 3D model was reconstructed using Structure from Motion algorithm. In order to make a 3D model with correct dimension, position, and orientation, the georeferencing process was done with aid from control points which have known absolute coordinate obtained from terrestrial surveying. To check the geometric accuracy of 3D model, the accuracy test was carried out by comparing the coordinates from 3D model and length measurement with corresponding real values from terrestrial surveying. The result shows that with only terrestrial images the generated 3D model was still incomplete. Visually the walls can be modeled well. But the top and floor can’t be modeled due to lack coverage from the top. In terms of geometric accuracy, the mean 3D positional error is 0.068 m. And the mean of error in length measurement is 0.057 m.

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