Articles | Volume 382
Pre-conference publication
22 Apr 2020
Pre-conference publication |  | 22 Apr 2020

Towards unraveling total subsidence of a mega-delta – the potential of new PS InSAR data for the Mekong delta

Philip S. J. Minderhoud, Ivana Hlavacova, Jan Kolomaznik, and Olaf Neussner

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Cited articles

Do, V. L., Nguyen, D. V., Tran, V. T., Tran, V. N., Trinh, M. P., and Ma, C. C.: The primary results of monitoring of present aggradation and degradation in Song Cuu Long plain during 2013–2014 stage, Tap Chi Dia Chat – Loat A, 7–12, 83–94, 2015 (in Vietnamese, English summary). 
Erban, L. E., Gorelick, S. M., Zebker, H., and Fendorf, S.: Release of arsenic to deep groundwater in the Mekong Delta, Vietnam, linked to pumping-induced land subsidence, P. Natl. Acad. Sci. USA, 110, 13751–13756,, 2013. 
Erban, L. E., Gorelick, S. M., and Zebker, H. A.: Groundwater extraction, land subsidence, and sea-level rise in the Mekong Delta, Vietnam, Environ. Res. Lett., 9, 091002,, 2014. 
Eslami, S., Hoekstra, P., Nguyen Trung, N., Ahmed Kantoush, S., Van Binh, D., Duc Dung, D., and van der Vegt, M.: Tidal amplification and salt intrusion in the Mekong Delta driven by anthropogenic sediment starvation, Sci. Rep., 9, 18746,, 2019. 
ESMN-057: Copernicus Emergency Management Service – Risk & Recovery Mapping (ESMN) activation 057: Ground subsidence analyses, Mekong Delta, Vietnam, available at: (last access: 25 March 2020), 2018. 
Short summary
The populous and low-lying Vietnamese Mekong delta is facing accelerating subsidence rates and effective mitigation strategies are urgently needed to save-guard the future sustainability of the delta. This paper gathers results from existing measurements and estimates of subsidence in the Mekong delta and presents new, delta-wide estimates of subsidence based on satelite measures. We outline a planned approach to advance towards improved quantitation of individual subsidence drivers.