Geomorphic and sedimentologic imprints of typhoons Durian and Haiyan storm surges on the Philippine coasts
Typhoon Haiyan tragically attests to the vulnerability of Philippine coasts to storm surge hazard. It has also highlighted the limited and patchy knowledge that exists on the impacts to immediately affected communities despite the high frequency of storm surges in the archipelago. Moving forward,...
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| Format: | Theses and Dissertations |
| Language: | English |
| Published: |
2017
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10356/69570 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | Typhoon Haiyan tragically attests to the vulnerability of Philippine coasts to
storm surge hazard. It has also highlighted the limited and patchy knowledge that
exists on the impacts to immediately affected communities despite the high
frequency of storm surges in the archipelago. Moving forward, this dissertation
contributes to increasing the level of local and regional science-based knowledge
by laying down groundwork on the geologic investigations of storm surge
impacts in the Philippines.
Two recent storm events namely the 2006 Typhoon Durian (Reming) and the
2013 Typhoon Haiyan (Yolanda) provided an opportunity to study the
geomorphic and sedimentologic imprints of storm surges and the resulting
coastal overwash. This dissertation though primarily built upon a geological
framework of storm surge has benefited considerably from the integration of
multiple disciplines including meteorology, oceanography, coastal engineering,
and history. Overall, the multi-disciplinary approach led to (1) local
understanding of storm surge dynamics and the factors affecting the spatial
variation of amplification leading to inundation overland; (2) characterization of
the onshore geomorphic and sediment imprints within the bounds of
hydrodynamic conditions and sediment transport processes; and (3) historically oriented
investigation of storm surge heights and the geologic impacts to the
coasts near typhoon landfalls in the Philippines. |
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