Analysis of Land Deformation on Slope Area using PS InSAR. Case Study: Malang Area

2013 International Conferences on Geological, Geographical, Aerospace and Earth Sciences

Sudiana, Dodi^1 ; Rokhmatuloh^2 ; Rizkinia, Mia^1 ; Ardiansyah^2 ; Arief, Rahmat^1 ; Setiadi, Bambang^3 ; Bayuaji, Luhur^3 ; Sri Sumantyo, Josaphat Tetuko^3

Department of Electrical Engineering, Faculty of Enginering, Kampus Baru UI, Depok 16424, Indonesia^1

Department Geography, Faculty of Mathematics and Natural Sciences, Kampus Baru UI, Depok 16424, Indonesia^2

Josaphat Microwave Remote Sensing Laboratory, Center for Environmental Remote Sensing, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan^3

关键词: Geographical positions;    Geological fault;    Interferometric synthetic aperture radars;    Land deformation;    Orbital information;    Persistent scatterers;    Phased array type l-band synthetic aperture radars;    Volcanic eruptions;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/19/1/012011/pdf
DOI  :  10.1088/1755-1315/19/1/012011

来源: IOP

【 摘 要 】

The geographical position of Indonesia located between two continents and oceans is strategic, but at large risk of experiencing various disasters. Climate change and vulnerable location (surrounded by plates and geological faults in the Earth's crust) creates an earthquake-prone region and causes land/mudslides. In this paper, PS InSAR method (Persistent Scatterer Interferometric Synthetic Aperture Radar) is implemented to Phased Array type L-band Synthetic Aperture Radar (PALSAR) data to study the potential damage caused by the earthquake or volcanic eruption in Malang vicinity. By comparing the amplitude images periodically, shifting soil can be determined using precise orbital information. The analysis showed a significant decrease of land deformation on slope area in Klojen district in Malang city, reached up to -7.128 mm/year.