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|Title:||Sea-level rise from land subsidence in major coastal cities||Authors:||Tay, Cheryl
Lindsey, Eric O.
Chin, Shi Tong
McCaughey, Jamie W.
Horton, Benjamin Peter
Hill, Emma M.
|Keywords:||Science::Geology||Issue Date:||2022||Source:||Tay, C., Lindsey, E. O., Chin, S. T., McCaughey, J. W., Bekaert, D., Nguyen, M., Hua, H., Manipon, G., Karim, M., Horton, B. P., Li, T. & Hill, E. M. (2022). Sea-level rise from land subsidence in major coastal cities. Nature Sustainability, 5(12), 1049-1057. https://dx.doi.org/10.1038/s41893-022-00947-z||Project:||NRF-NRFI05-2019-0009
|Journal:||Nature Sustainability||Abstract:||Coastal land can be lost at rapid rates due to relative sea-level rise (RSLR) resulting from local land subsidence. However, the comparative severity of local land subsidence is unknown due to high spatial variabilities and difficulties reconciling observations across localities. Here we provide self-consistent, high spatial resolution relative local land subsidence (RLLS) velocities derived from Interferometric Synthetic Aperture Radar for the 48 largest coastal cities, which represent 20% of the global urban population. We show that cities experiencing the fastest RLLS are concentrated in Asia. RLLS is also more variable across the 48 cities (−16.2 to 1.1 mm per year) than the Intergovernmental Panel on Climate Change estimations of vertical land motion (−5.2 to 4.9 mm per year). With our standardized method, the identification of relative vulnerabilities to RLLS and comparisons of RSLR effects accounting for RLLS are now possible across cities worldwide. These will better inform sustainable urban planning and future adaptation strategies in coastal cities.||URI:||https://hdl.handle.net/10356/164334||ISSN:||2398-9629||DOI:||10.1038/s41893-022-00947-z||Rights:||© 2022 The Author(s), under exclusive licence to Springer Nature Limited. All rights reserved.||Fulltext Permission:||none||Fulltext Availability:||No Fulltext|
|Appears in Collections:||ASE Journal Articles|
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