Monitoring land subsidence in Semarang City Indonesia using Multiple Acquisition Radar Interferometry (MARI)

Material type: 文書・図像類

Author: LUBIS, Ashar Mudaほか

Publisher: Chiba University. Center for Environmental Remote Sensing

Publication date: 2009-12-15

Material Format: Digital

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Note (General)：: type:text[ABSTRACT]Based on field observation, it was reported that the ground subsidence associated with groundwater extraction became one of environ...

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Material Type: 文書・図像類
Title: Monitoring land subsidence in Semarang City Indonesia using Multiple Acquisition Radar Interferometry (MARI)
Author/Editor: LUBIS, Ashar Muda
SATO, Toshinori
ISEZAKI, Nobuhiro
TOMIYAMA, Nobuhiro
YAMANOKUCHI, Tsutomu
Author Heading: LUBIS, Ashar Muda
SATO, Toshinori
ISEZAKI, Nobuhiro
TOMIYAMA, Nobuhiro
YAMANOKUCHI, Tsutomu
Publication, Distribution, etc.: Chiba University. Center for Environmental Remote Sensing
Publication Date: 2009-12-15
Publication Date (W3CDTF): 2009-12-15
Periodical title: Proceedings of the CEReS international symposium = CEReS国際シンポジウム資料集
No. or year of volume/issue: 15
Volume: 15
Pages: 82-89
Text Language Code: eng
Target Audience: 一般
Note (General): type:text
[ABSTRACT]Based on field observation, it was reported that the ground subsidence associated with groundwater extraction became one of environmental problems in Semarang Indonesia. In order to understand time and spatial distribution of land subsidence in Semarang city Indonesia, we performed Multiple Acquisition Radar Interferometry (MARI) of ALOS-PALSAR satellites data. We created 20 interfrogram images from 13 scans SAR data and removed topography phase using DEM three-arcsec (90 m) from each initial interferograms. We performed precision baseline estimation of each pairs to vanish the fringes derived by baseline between master and slave data. The improved phase unwrapping image shows land subsidence about 5-12 cm/y, which mainly caused by groundwater extraction and landuse changing from agriculture and cultivation purposes to industrial estates and house in Semarang. The fringe patterns are detected very clearly in center of Semarang city and northern part of city where the number of pump of groundwater concentrated in this area and large amount of water supply for the communities and industries. Our results are comparable to our previous work and shows the centre of the city was subsided continually after March 2008. The pattern of land subsidence in Semarang city derived by MARI is good relationship with past result obtained by both leveling data and digital elevation modeling (DEM) interpolated and benchmark points.
Access Restrictions: 限定公開
Related Material (NCID): BB01446232
https://ci.nii.ac.jp/ncid/BB01446232
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 千葉大学 : 千葉大学学術成果リポジトリ