Dr. Ibnu Sofian Profile

Dr. Ibnu Sofian

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Proceedings Article | 24 December 2019 Paper

Monitoring coastal inundation of Jakarta using synthetic aperture radar Sentinel 1A

. Asmadin, Vincentius P. Siregar, Ibnu Sofian, Indra Jaya, Antonius B. Wijanarto

Proceedings Volume 11372, 113721G (2019) https://doi.org/10.1117/12.2540777

KEYWORDS: Synthetic aperture radar, Polarization, Radar, Polarization analysis, Backscatter, Data acquisition, Remote sensing, Data processing, Interferometry

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Remote sensing active systems which is represented by C-band Synthetic Aperture Radar (SAR) enhance features in mapping inundation of coastal areas of Jakarta that are free of clouds/shadows. This study was conducted to assess the dynamical inundation of coastal areas in Jakarta based on multi-temporal data of C-band SAR Sentinel 1A. Data was analyzed using In-SAR and Radar Polarization analysis. Data processing was performed using SNAP 6.0 and QGIS Las Palmas 2.18.15 software. The results of this study indicate that the backscatter coefficient of the surface water is about - 19dB. The polarization analysis shows the appearance of water bodies and surface water mixed with other objects that was blue and cyan colors. VH polarization analysis showed more detection than VV polarization analysis. Dual polarization analysis reveals inundation changes in certain areas such as coastal dikes, reservoirs, mangrove ecosystems and built-up land in temporally and spatially. This study demonstrates an ability of rapid assessment in monitoring coastal inundation of tropical urban areas using InSAR and Radar Polarization analysis.

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