The tsunami geomorphology of coastal dunes

Goff, James; Lane, Emily M.; Arnold, Jeanne E.

doi:10.5194/nhess-9-847-2009

Cited by 60 publications

(39 citation statements)

References 20 publications

(17 reference statements)

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“…A more recent synthesis however, identified a suite of archaeological sites that point to the likelihood of past tsunami inundation along the southern and south-eastern coasts of the South Island (Anderson et al, 1996;Leach and Hamel, 1981;McFadgen, 2007). This conclusion is supported by a detailed examination of the coastal geomorphology and geology of a number of bays along the Otago coastline by Goff et al ( , 2009. Benefiting from research following the 2004 IOT, were able to identify a distinct tsunami geomorphology along much of the Otago coast from Tokomairiro beach to Shag Point.…”

Section: Te Tonga O Wai Pounamu -Southern South Islandmentioning

confidence: 49%

Benefitting from differences in knowledge, practice and belief: Māori oral traditions and natural hazards science

King

Goff

2010

Nat. Hazards Earth Syst. Sci.

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Abstract.This paper builds upon earlier work that argued the information and experience contained within the knowledge-practice-belief complex of Mātauranga Māori [Māori knowledge] is a valuable and neglected area of information and understanding about past catastrophic events in Aotearoa/New Zealand (A/NZ). Here we map Māori oral traditions (pūrākau) that relate experience with extreme environmental disturbance (in particular, tsunamis) around the A/NZ coast, compare the findings with geoarchaeological evidence, and discuss the scientific benefits to be gained by considering pūrākau as legitimate perspectives on history. Not surprisingly, there are both differences and complementarities between traditional Māori narratives and the available geo-archaeological evidence on extreme coastal disturbances. The findings presented here raise new and important questions about accepted geographies of tsunami risk, the causes and sources of their generation, as well as reasons for the relative paucity and abundance of information in some regions. Ways in which Mātauranga Taiao [Māori environmental knowledge] and contemporary science can be combined to produce new narratives about extreme environmental disturbance along the A/NZ coastline will require not only acceptance of other ways of knowing but also open engagement with Māori that respects their rights to tell their own histories. These efforts are encouraged to revitalise and ground-truth the interpretation of traditional stories, corroborate and/or question previous scientific deductions, and improve our collective understanding of the recurring impact of tectonic, geologic and meteorological-based events across A/NZ.Correspondence to: D. N. King (d.king@niwa.co.nz) RāpopotongaHe mea hāngai anō tēnei pepa kiētahi o mua, ki taua tohe anō ko ngā wheako mai i te pūnahatanga o ngā tikanga o te Mātauranga Māori he mea whaimana, he aha koa tē arongia ai, he whai mōhiohio hoki i ngā parekura i pā mai ki Aotearoa. Ko tā mātou he whakaatu i ngā pūrākau i reirā etahi whakapuakitanga o ngā pānga mai o ngā ngaringari nuī a-taiao (he oti rā te pāhoro ngaru moana) i pā mai ki te tākutai moana o Aotearoa, he whakarite ki ngā kitenga mai i ngā taunakitangaā-huakanga whenua, me te whakawhitiwhiti whakaaro i ngā painga mai i te tirotiro i te pūrākau hei tirohanga tika i te hitori. Waihoki, mō ngā ngaringari whakaharahara ki te tākutai, heōritenga, he rerekētanga anō nō waenga o ngā kōrero tuku iho me ngā taunakitangaā-huakanga whenua. Mai i ngā kitenga, he uiui hōu anō ki ngā mātaiwhenua o te wā ki ngā mōrearea pāhoro ngaru moana, ngā mātāpuna me ngā pūtaketanga tae atu ki te nunui, te korekore rānei o ngā kōrero ki ngā takiwā. Mō te hono i te Mātauranga Māori me te pūtaiao o nāianei me te whakaputa kōrero hōu ki ngā ngaringari whakaharahara o te taiao ki te tākutai moana o Aotearoa, he tautoko rā anō i te pūnaha mātauranga rerekē, he mahitahi hoki me te Māori, mai i te aro tūturu ki tāna whakaatu iāna ake kōrero tuku iho. Me mea whakatūturu te whakamāoritanga o ngā pūrākau, mā te ta...

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Section: Te Tonga O Wai Pounamu -Southern South Islandmentioning

confidence: 49%

Benefitting from differences in knowledge, practice and belief: Māori oral traditions and natural hazards science

King

Goff

2010

Nat. Hazards Earth Syst. Sci.

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“…However, to the north, the dune loses its continuity and reveals a more fragmented aspect (figure 8). These morphologies suggest breaching processes to explain the formation of pedestal structures, usually formed associated to tsunami events (Goff, 2009). Moreover, the lagoon reveals a flat deposit joining the two sides of the lagoon in the backbarrier area of the fragmented sector due to overwash.…”

Section: The Sedimentary Record (Osl and Gpr)mentioning

confidence: 99%

Imprints of the 1755 tsunami in the Tróia Peninsula shoreline, Portugal

Rebelo

Brito

Ferraz

et al. 2013

Journal of Coastal Research

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“…LiDAR is a mapping technology that is increasingly used for coastal geomorphologic studies. This technology is appropriate for such analyses since it provides spatially dense and accurate topographic data (Chust et al, 2008;Goff et al, 2009;Haile and Rientjes, 2005;Mazzanti et al, 2009;Poulter and Halpin, 2008;Webster, 2010;Young et al, 2011). The LiDAR is a laser altimeter that measures the range from a platform with a position and altitude determined from GPS and an inertial measurement unit (IMU).…”

Section: Topographic and Bathymetric Datasetsmentioning

confidence: 99%

Assessment of static flood modeling techniques: application to contrasting marshes flooded during Xynthia (western France)

Breilh

Chaumillon

Bertin

et al. 2013

Nat. Hazards Earth Syst. Sci.

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This study aims to assess the performance of raster-based flood modeling methods on a wide diversity of coastal marshes. These methods are applied to the flooding associated with the storm Xynthia, which severely hit the western coast of France in February 2010. Static and semi-dynamic methods are assessed using a combination of LiDAR data, post-storm delineation of flooded areas and sea levels originating from both tide gauge measurements and storm surge modeling. Static methods are applied to 27 marshes showing a wide geomorphological diversity. It appears that these methods are suitable for marshes with a small distance between the coastline and the landward boundary of the marsh, which causes these marshes to flood rapidly. On the contrary, these methods overpredict flooded areas for large marshes where the distance between the coastline and the landward boundary of the marsh is large, because the flooding cannot be considered as instantaneous. In this case, semi-dynamic methods based on surge overflowing volume calculations can improve the flooding prediction significantly. This study suggests that static and semi-dynamic flood modeling methods can be attractive and quickly deployed to rapidly produce predictive flood maps of vulnerable areas under certain conditions, particularly for small distances between the coastline and the landward boundary of the low-lying coastal area

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The tsunami geomorphology of coastal dunes

Cited by 60 publications

References 20 publications

Benefitting from differences in knowledge, practice and belief: Māori oral traditions and natural hazards science

Benefitting from differences in knowledge, practice and belief: Māori oral traditions and natural hazards science

Imprints of the 1755 tsunami in the Tróia Peninsula shoreline, Portugal

Assessment of static flood modeling techniques: application to contrasting marshes flooded during Xynthia (western France)

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