Current land subsidence in Jakarta: a multi-track SBAS InSAR analysis during 2017–2022 using C-band SAR data

Harintaka, Harintaka and Suhadha, Argo Galih and Syetiawan, Agung and Ardha, Mohammad and Rarasati, Anisa (2024) Current land subsidence in Jakarta: a multi-track SBAS InSAR analysis during 2017–2022 using C-band SAR data. Geocarto International, 39 (1). ISSN 10106049

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Abstract

In Jakarta, Indonesia, rapid urbanization and intensive groundwater extraction have led to significant land subsidence, posing challenges for sustainable urban management. This study utilized Interferometry Synthetic Aperture Radar (InSAR) integrated with multi-track data analysis to generate refined time-series and velocities of 2D displacement across Greater Jakarta. This study reveals notable variation in subsidence rates across different areas, with the most significant subsidence observed in Cikarang and the coastal regions of North Jakarta, which remains linear to this day. Notably, while the 2D approach improved accuracy by up to 53 at some locations, discrepancies at others indicated that simpler descending projections might sometimes yield better results. This underscores the necessity for a nuanced application of geodetic methods based on specific site conditions to effectively monitor and manage land subsidence in complex urban environments. Our findings highlight the critical importance of integrating multiple monitoring approaches to comprehensively address both vertical and horizontal displacement. © 2024 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

Item Type: Article
Additional Information: Cited by: 0; All Open Access, Gold Open Access
Uncontrolled Keywords: InSAR; SBAS;2D displacement; coastal;subsidenc
Subjects: T Technology > T Technology (General)
Divisions: Faculty of Engineering > Geodetic Engineering Department
Depositing User: Yulistiarini Kumaraningrum KUMARANINGRUM
Date Deposited: 24 Oct 2024 09:00
Last Modified: 24 Oct 2024 09:00
URI: https://ir.lib.ugm.ac.id/id/eprint/9717

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