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Tutukaka Harbor is located on the east coast of New Zealand, approximately 140 km north of Auckland. At the head of the harbor is Tutukaka Marina which is a popular focal point for maritime recreation and an important economic driver for the area. Tutukaka Harbor is a well-known tsunami ‘hot spot’ as the irregularly shaped harbor is known to amplify incident tsunami energy due to resonance (Borrero and O’Neill, 2019). The objective of this study is to investigate a possible reconfiguration of the entrance to Tutukaka Marina to reduce the severity of tsunami induced currents. Over the years, breakwaters have been constructed narrowing the entrance to the marina. While the breakwaters are effective in blocking wind and swell wave energy, they have had the unintended consequence of enhancing tsunami induced currents forced through the narrow (60 m wide) gap.Referencias
Borrero et al. (2014) Tsunami Hazards in New Zealand Ports, Pure and Applied Geophysics, doi:10.1007/s00024-014-0987-4
Borrero and O’Neill (2019) Assessment of Tsunami Hazards in Northland Maritime Facilities. Technical Report for the Northland Regional Council, June 2019
Borrero et al. (2022) The Hunga Tonga – Hunga Ha’apai volcano and tsunami Coastal News, Issue 77, March 2022.
Titov and González (1997). Implementation and testing of the Method of Splitting Tsunami (MOST) model NOAA Technical Memorandum ERL PMEL-112.
Titov et al. (2011). A New Tool for Inundation Modeling: Community Modeling Interface for Tsunamis (ComMIT). Pure and Applied Geophysics, doi:10.1007/s00024-011-0292-4.
Esta obra está bajo una licencia internacional Creative Commons Atribución 4.0.
Derechos de autor 2023 Jose C. Borrero, Rob Brown, Sam O'Neill, Dylan Lease, Roger Stephenson