Lithology-controlled subsidence and seasonal aquifer response in the Bandung basin, Indonesia, observed by synthetic aperture radar interferometry

Mokhamad Yusup Nur Khakim, Takeshi Tsuji, Toshifumi Matsuoka

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Land subsidence in the Bandung basin, West Java, Indonesia, is characterized based on differentialinterferometric synthetic aperture radar (DInSAR) and interferometric point target analysis (IPTA). Wegenerated interferograms from 21 ascending SAR images over the period 1 January 2007 to 3 March 2011.The estimated subsidence history shows that subsidence continuously increased reaching a cumulative45 cm during this period, and the linear subsidence rate reached ~12 cm/yr. This significant subsidenceoccurred in the industrial and densely populated residential regions of the Bandung basin where largeamounts of groundwater are consumed. However, in several areas the subsidence patterns do not corre-late with the distribution of groundwater production wells and mapped aquifer degradation. We concludethat groundwater production controls subsidence, but lithology is a counteracting factor for subsidencein the Bandung basin. Moreover, seasonal trends of nonlinear surface deformations are highly relatedwith the variation of rainfall. They indicate that there is elastic expansion (rebound) of aquifer systemresponse to seasonal-natural recharge during rainy season.

Original languageEnglish
Pages (from-to)199-207
Number of pages9
JournalInternational Journal of Applied Earth Observation and Geoinformation
Volume32
Issue number1
DOIs
Publication statusPublished - Jan 1 2014

Fingerprint

radar interferometry
Lithology
Subsidence
Synthetic aperture radar
Aquifers
Interferometry
lithology
synthetic aperture radar
subsidence
aquifer
basin
Groundwater
groundwater
Production control
Rain
recharge
well
Degradation
rainfall
degradation

All Science Journal Classification (ASJC) codes

  • Global and Planetary Change
  • Earth-Surface Processes
  • Computers in Earth Sciences
  • Management, Monitoring, Policy and Law

Cite this

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abstract = "Land subsidence in the Bandung basin, West Java, Indonesia, is characterized based on differentialinterferometric synthetic aperture radar (DInSAR) and interferometric point target analysis (IPTA). Wegenerated interferograms from 21 ascending SAR images over the period 1 January 2007 to 3 March 2011.The estimated subsidence history shows that subsidence continuously increased reaching a cumulative45 cm during this period, and the linear subsidence rate reached ~12 cm/yr. This significant subsidenceoccurred in the industrial and densely populated residential regions of the Bandung basin where largeamounts of groundwater are consumed. However, in several areas the subsidence patterns do not corre-late with the distribution of groundwater production wells and mapped aquifer degradation. We concludethat groundwater production controls subsidence, but lithology is a counteracting factor for subsidencein the Bandung basin. Moreover, seasonal trends of nonlinear surface deformations are highly relatedwith the variation of rainfall. They indicate that there is elastic expansion (rebound) of aquifer systemresponse to seasonal-natural recharge during rainy season.",
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AU - Khakim, Mokhamad Yusup Nur

AU - Tsuji, Takeshi

AU - Matsuoka, Toshifumi

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AB - Land subsidence in the Bandung basin, West Java, Indonesia, is characterized based on differentialinterferometric synthetic aperture radar (DInSAR) and interferometric point target analysis (IPTA). Wegenerated interferograms from 21 ascending SAR images over the period 1 January 2007 to 3 March 2011.The estimated subsidence history shows that subsidence continuously increased reaching a cumulative45 cm during this period, and the linear subsidence rate reached ~12 cm/yr. This significant subsidenceoccurred in the industrial and densely populated residential regions of the Bandung basin where largeamounts of groundwater are consumed. However, in several areas the subsidence patterns do not corre-late with the distribution of groundwater production wells and mapped aquifer degradation. We concludethat groundwater production controls subsidence, but lithology is a counteracting factor for subsidencein the Bandung basin. Moreover, seasonal trends of nonlinear surface deformations are highly relatedwith the variation of rainfall. They indicate that there is elastic expansion (rebound) of aquifer systemresponse to seasonal-natural recharge during rainy season.

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