Journal of Coastal Conservation

, Volume 21, Issue 1, pp 47–62 | Cite as

Climate change impacts on a large-scale erosion coast of Hai Hau district, Vietnam and the adaptation

  • Do Minh Duc
  • Kazuya Yasuhara
  • Nguyen Manh Hieu
  • Nguyen Chau Lan
Article
  • 240 Downloads

Abstract

Among the effects of global warming, sea level rise (SLR) and severe typhoons pose the greatest threat to the stability of human settlements along coastlines. Therefore, countermeasures must be developed to mitigate the influences of strong typhoons and persistent SLR for coastal protection. This study assesses climate change impacts on coastal erosion, especially in two projected SLR scenarios of RCP2.6 and RCP8.5. The results show that SLR and severe typhoons lead to the increase of coastal erosion, beach lowering and scour. Moreover, as in projected SLR scenarios, average waves in high tide can cause severe soil erosion at inner slopes and lead to dyke failure by 2060. The paper highlights the need for additional countermeasures to protect the coast of Hai Hau district against SLR and severe typhoons. Among the alternatives available for countering these threats, applying soil stabilization and soil improvement combined with geosynthetics are promising strategies for coastal structures. Hybrid structures can be used with earth reinforcement and soil improvement. Additionally, the paper emphasizes the importance of multiple protective adaptations, including geosynthetics and ecological engineering measures against climate change-induced severe erosion on the coast of Hai Hau district.

Keywords

Erosion coast Representative carbon pathway (RCP) Sea level rise Geosynthetics Ecological engineering Coastal protection 

Notes

Acknowledgements

This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 105.99-2012.14. The research was also partly supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology, Japan, and was prepared under the auspices of the Global Environment Research Fund Strategic R&D Area Project S8 titled “Comprehensive research on climate change impact and adaptation” (FY2010–FY2014) supported by the Ministry of the Environment, Japan.

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Copyright information

© Springer Science+Business Media Dordrecht 2016

Authors and Affiliations

  • Do Minh Duc
    • 1
  • Kazuya Yasuhara
    • 2
  • Nguyen Manh Hieu
    • 1
  • Nguyen Chau Lan
    • 3
  1. 1.Department of Geotechnics, Faculty of Geology, VNU University of ScienceVietnam National UniversityHanoiVietnam
  2. 2.Institute for Global Change Adaptation ScienceIbaraki UniversityIbarakiJapan
  3. 3.Geotechnical Engineering Laboratory, Civil Engineering FacultyUniversity of Transport and CommunicationsHanoiVietnam

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