Articles | Volume 23, issue 6
Research article
26 Jun 2023
Research article |  | 26 Jun 2023

Low-regret climate change adaptation in coastal megacities – evaluating large-scale flood protection and small-scale rainwater detention measures for Ho Chi Minh City, Vietnam

Leon Scheiber, Christoph Gabriel David, Mazen Hoballah Jalloul, Jan Visscher, Hong Quan Nguyen, Roxana Leitold, Javier Revilla Diez, and Torsten Schlurmann

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Cited articles

Abidin, H. Z., Andreas, H., Gumilar, I., and Wibowo, I. R. R.: On correlation between urban development, land subsidence and flooding phenomena in Jakarta, Proc. IAHS, 370, 15–20,, 2015. 
ADB: Ho Chi Minh City – Adaptation to Climate Change: Summary Report, Asian Development Bank, Manila, the Philippines, ISBN 978-971-561-893-9, 2010. 
Barragán, J. M. and de Andrés, M.: Analysis and trends of the world's coastal cities and agglomerations, Ocean Coast. Manage., 114, 11–20,, 2015. 
Caldwell, P. C., Merrifield, M. A., and Thompson, P. R.: Sea level measured by tide gauges from global oceans – the Joint Archive for Sea Level holdings (NCEI Accession 0019568), Version 5.5, NOAA National Centers for Environmental Information (NOAA),, 2015. 
Chen, S., van de Ven, F. H. M., Zevenbergen, C., Verbeeck, S., Ye, Q., Zhang, W., and Wei, L.: Revisiting China's Sponge City Planning Approach: Lessons From a Case Study on Qinhuai District, Nanjing, Front. Environ. Sci., 9, 748231,, 2021. 
Short summary
Like many other megacities in low-elevation coastal zones, Ho Chi Minh City in southern Vietnam suffers from the convoluting impact of changing environmental stressors and rapid urbanization. This study assesses quantitative hydro-numerical results against the background of the low-regret paradigm for (1) a large-scale flood protection scheme as currently constructed and (2) the widespread implementation of small-scale rainwater detention as envisioned in the Chinese Sponge City Program.
Final-revised paper