RADAR INTERFEROMETRY APPLICATION FOR DIGITAL ELEVATION MODEL IN MOUNT BROMO, INDONESIA

This paper reviewed the result and processing of digital elevation model (DEM) using L-Band ALOS PALSAR data and two-pass radar interferometry method in Bromo Mountain region. Synthetic Aperture Radar is an advanced technology that has been used to monitor deformation, land cover change, image detec...

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Main Authors: Noorlaila Hayati, Akbar Kurniawan, Muhammad Taufik
Format: Article
Language:English
Published: Institut Teknologi Sepuluh Nopember 2015-06-01
Series:Geoid
Subjects:
Online Access:http://iptek.its.ac.id/index.php/geoid/article/view/808
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author Noorlaila Hayati
Akbar Kurniawan
Muhammad Taufik
author_facet Noorlaila Hayati
Akbar Kurniawan
Muhammad Taufik
author_sort Noorlaila Hayati
collection DOAJ
description This paper reviewed the result and processing of digital elevation model (DEM) using L-Band ALOS PALSAR data and two-pass radar interferometry method in Bromo Mountain region. Synthetic Aperture Radar is an advanced technology that has been used to monitor deformation, land cover change, image detection and especially topographic information such as DEM.  We used two scenes of SAR imageries to generate DEM extraction which assumed there is no deformation effect between two acquisitions. We could derive topographic information using phase difference by combining two single looks complex (SLC) images called focusing process. The next steps were doing interferogram generation, phase unwrapping and geocoding. DEM-InSAR was compared to SRTM 90m that there were significant elevation differences between two DEMs such as smoothing surface and detail topographic. Particularly for hilly areas, DEM-InSAR showed better quality than SRTM 90 m where the elevation could have 25.94 m maximum gap. Although the processing involved adaptive filter to amplify the phase signal, we concluded that InSAR DEM result still had error noise because of signal wavelength, incidence angle, SAR image relationship, and only using ascending orbit direction.<br /><br />
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spelling doaj.art-3beb105314eb42fbb98b7148f66f797f2022-12-22T01:01:11ZengInstitut Teknologi Sepuluh NopemberGeoid1858-22812442-39982015-06-0110222222610.12962/j24423998.v10i2.808529RADAR INTERFEROMETRY APPLICATION FOR DIGITAL ELEVATION MODEL IN MOUNT BROMO, INDONESIANoorlaila Hayati0Akbar Kurniawan1Muhammad Taufik2Institut Teknologi Sepuluh NopemberInstitut Teknologi Sepuluh NopemberInstitut Teknologi Sepuluh NopemberThis paper reviewed the result and processing of digital elevation model (DEM) using L-Band ALOS PALSAR data and two-pass radar interferometry method in Bromo Mountain region. Synthetic Aperture Radar is an advanced technology that has been used to monitor deformation, land cover change, image detection and especially topographic information such as DEM.  We used two scenes of SAR imageries to generate DEM extraction which assumed there is no deformation effect between two acquisitions. We could derive topographic information using phase difference by combining two single looks complex (SLC) images called focusing process. The next steps were doing interferogram generation, phase unwrapping and geocoding. DEM-InSAR was compared to SRTM 90m that there were significant elevation differences between two DEMs such as smoothing surface and detail topographic. Particularly for hilly areas, DEM-InSAR showed better quality than SRTM 90 m where the elevation could have 25.94 m maximum gap. Although the processing involved adaptive filter to amplify the phase signal, we concluded that InSAR DEM result still had error noise because of signal wavelength, incidence angle, SAR image relationship, and only using ascending orbit direction.<br /><br />http://iptek.its.ac.id/index.php/geoid/article/view/808digital elevation modelALOS PALSARradarinterferometry
spellingShingle Noorlaila Hayati
Akbar Kurniawan
Muhammad Taufik
RADAR INTERFEROMETRY APPLICATION FOR DIGITAL ELEVATION MODEL IN MOUNT BROMO, INDONESIA
Geoid
digital elevation model
ALOS PALSAR
radar
interferometry
title RADAR INTERFEROMETRY APPLICATION FOR DIGITAL ELEVATION MODEL IN MOUNT BROMO, INDONESIA
title_full RADAR INTERFEROMETRY APPLICATION FOR DIGITAL ELEVATION MODEL IN MOUNT BROMO, INDONESIA
title_fullStr RADAR INTERFEROMETRY APPLICATION FOR DIGITAL ELEVATION MODEL IN MOUNT BROMO, INDONESIA
title_full_unstemmed RADAR INTERFEROMETRY APPLICATION FOR DIGITAL ELEVATION MODEL IN MOUNT BROMO, INDONESIA
title_short RADAR INTERFEROMETRY APPLICATION FOR DIGITAL ELEVATION MODEL IN MOUNT BROMO, INDONESIA
title_sort radar interferometry application for digital elevation model in mount bromo indonesia
topic digital elevation model
ALOS PALSAR
radar
interferometry
url http://iptek.its.ac.id/index.php/geoid/article/view/808
work_keys_str_mv AT noorlailahayati radarinterferometryapplicationfordigitalelevationmodelinmountbromoindonesia
AT akbarkurniawan radarinterferometryapplicationfordigitalelevationmodelinmountbromoindonesia
AT muhammadtaufik radarinterferometryapplicationfordigitalelevationmodelinmountbromoindonesia