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- Title
GNSS land subsidence observations along the northern coastline of Java, Indonesia.
- Authors
Susilo, Susilo; Salman, Rino; Hermawan, Wawan; Widyaningrum, Risna; Wibowo, Sidik Tri; Lumban-Gaol, Yustisi Ardhitasari; Meilano, Irwan; Yun, Sang-Ho
- Abstract
Land subsidence in cities along the northern coastline of Java has been at a worrying level. Monitoring efforts using geodetic data reveal that Jakarta, Pekalongan, Semarang, and Demak subside at least ~9x faster than the present-day rate of global sea level rise, which affects the cities' future urban viability. In this study, we publish a time series of the precise 3D displacements observed by twenty continuous Global Navigation Satellite System (GNSS) stations between 2010 and 2021. These are the first open-to-the-public and rigorously processed GNSS datasets that are useful for accurately quantifying land subsidence in the densely populated sinking cities in Java. The data also provides a way to tie other geodetic observations, such as Interferometric Synthetic Aperture Radar (InSAR), to a global reference frame in an attempt to build worldwide observations of coastal land subsidence.
- Subjects
JAVA (Indonesia); LAND subsidence; GLOBAL Positioning System; SYNTHETIC aperture radar; GEODETIC observations; CITIES &; towns; COASTS
- Publication
Scientific Data, 2023, Vol 10, Issue 1, p1
- ISSN
2052-4463
- Publication type
Article
- DOI
10.1038/s41597-023-02274-0