Abstract
The Jakarta-Bandung high speed train is one of the national strategic plans. The high speed train route connects the Jakarta city to the Bandung city. The route needs to be detailed topography and checking of vertical deformations that occur along its route. This study aims to determine the conditions of vertical deformation in four stations and the Jakarta Bandung high speed train route. The spatial information of vertical deformation was extracted from the X SAR (2000) and Sentinel data (2018). The method used was Differential Interferometry Synthetic Aperture Radar (DinSAR). The vertical deformation was obtained from the reduction of topography in 2018 with the topography of 2000. Both of these topography must meet the tolerance of 1.96 sigma so that the resulting deformation is also more optimal. The results of this study can be used to reference the determination of high speed train route based on conditions of vertical deformation.
Highlights
The first high-speed train project in Indonesia has been planned and will connect the Jakarta city with the Bandung city with a distance of 150 km (Wikipedia, 2018)
The methods used in the detection of vertical deformation are interferometry and Differential Interferometry Synthetic Aperture Radar (DinSAR)
X Synthetic Aperture Radar (SAR) was first made Digital Surface Model (DSM) (Figure 3a), while Sentinel was made by DSM (Figure 3b)
Summary
The first high-speed train project in Indonesia has been planned and will connect the Jakarta city with the Bandung city with a distance of 150 km (Wikipedia, 2018). The Jakarta-Bandung high speed train route is located in the regional geology of West Java. This region has unique geological conditions with certain characteristics. This geological condition includes the physiography and regional stratigraphy of West Java. According to Bemmelen (1949), West Java physiography has 4 zones with geological characteristics consisting of alluvial plains, folded hills, and volcanoes. This study aims to map vertical deformations from 2000–2018 in the area of the Jakarta-Bandung high speed train route plan
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