The 'wickedness' of governing land subsidence: Policy perspectives from urban Southeast Asia.

PloS One
Rapti Siriwardane-de ZoysaAnna-Katharina Hornidge

Abstract

Drawing on Jakarta, Metro Manila and Singapore as case studies, we explore the paradox of slow political action in addressing subsiding land, particularly along high-density urban coastlines with empirical insights from coastal geography, geodesy analysis, geology, and urban planning. In framing land subsidence as a classic 'wicked' policy problem, and also as a hybrid geological and anthropogenic phenomenon that is unevenly experienced across urban contexts, the paper uses a three-step analysis. First, satellite-derived InSAR maps are integrated with Sentinel-1A data in order to reveal the socio-temporal variability of subsidence rates which in turn pose challenges in uniformly applying regulatory action. Second, a multi-sectoral mapping of diverse policies and practices spanning urban water supply, groundwater extraction, land use zoning, building codes, tenurial security, and land reclamation reveal the extent to which the broader coastal governance landscape remains fragmented and incongruous, particularly in arresting a multi-dimensional phenomenon such as subsidence. Finally, in reference to distinct coastal identities of each city-the 'Sinking Capital' (Jakarta), 'Fortress Singapore', and the 'Disaster Capital' (Manila) ...Continue Reading

References

Jul 13, 2002·Ground Water·John D Bredehoeft
Aug 5, 2015·Health & Place·Ronan Foley, Thomas Kistemann
May 26, 2016·Data in Brief·Mukesh Singh BooriViktor Kovelskiy
Feb 15, 2018·Proceedings of the National Academy of Sciences of the United States of America·R S NeremG T Mitchum
Nov 7, 2019·Scientific Reports·Donald W VascoPeter Nico

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COPERNICUS
NEWater
InSAR

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