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035 _a.b12407197
099 9 _aAIT Thesis no.WM-23-09
100 1 _aKarunanayake, Chamaka Sameera
245 1 0 _aAssessment of climate change-induced sea level rise on coastal flooding and its impact on critical infrastructures in Rayong Province, Thailand
260 _aPathum Thani, Thailand :
_bAsian Institute of Technology,
_c2023
300 _a104 leaves :
_bill.
490 1 _aThesis;
_vno. WM-23-09
500 _aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Water Engineering and Management
502 _aThesis (M. Eng.) - Asian Institute of Technology, 2023
520 _aSea level rise (SLR) is a momentous impact of climate change, and it poses a significant threat to coastal communities worldwide. As sea levels continue to rise, coastal areas are becoming more vulnerable to extreme sea levels, including storm surges, coastal floods, and erosion. Assessing the impact of coastal flooding due to sea level rise is of critical importance for policymakers, urban planners, and coastal managers to develop effective strategies for future risk management. This study aims to project future coastal flooding in Rayong Province, Thailand, using two different approaches, the bathtub method and MIKE21 hydrodynamic modeling and to assess the impact on selected critical infrastructures in monetary terms using flood depth to damage functions. It was found that the future absolute sea level in Rayong will reach 0.5 m under RCP 8.5 by 2100. The study found that the bathtub method provides larger estimates of inundation area when compared to MIKE21 FM HD modeling results. A total damage of € 1,581,303 is expected under SLR of 0.26 m and € 2,168,933 under SLR of 0.51 m. The future permanent inundation due to sea level rise will pose the greatest impact on commercial buildings such as shrimp farms, harbour, institutional lands, recreational areas, hotels and resorts. The maximum possible damage due to extreme sea levels (ESL) was estimated to be €67,854,985 under ESL of 2.37 m. The impact assessment revealed that the selected critical infrastructure in Rayong Province is at significant risk of damage due to coastal flooding. Shrimp farmlands were found to be affected by coastal flooding in most scenarios. The results of the study provide valuable insights for policymakers and planners to develop effective strategies for mitigating the impact of coastal flooding on critical infrastructure. The study highlights the importance of using accurate modeling approaches and impact assessment methods to make informed decisions about coastal flood risk management.
650 0 _aClimatic changes
_zThailand
_zRayong
650 0 _aSea level
_zThailand
_zRayong
650 0 _aFloods
_zThailand
_zRayong
700 1 _aShrestha, Sangam,
_eChairperson
700 1 _aShanmugam, Mohana Sundaram,
_eExamination Committee
700 0 _aHo Huu Loc,
_eExamination Committee
710 2 _aAsian Institute of Technology Scholarships,
_eScholarship Donor
810 2 _aAsian Institute of Technology.
_tThesis;
_vno. WM-23-09
856 4 0 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B19203
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