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The magnitude and frequency of storm surge in southern New Zealand.

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Title: The magnitude and frequency of storm surge in southern New Zealand.
Authors: Adam, Ryan J.1, Hilton, Michael J.1 michael.hilton@otago.ac.nz, Jowett, Tim2, Stephenson, Wayne J.1
Source: New Zealand Journal of Marine & Freshwater Research. Jun2021, Vol. 55 Issue 2, p336-351. 16p.
Subjects: Storm surges, El Niño, Antarctic oscillation
Geographic Terms: New Zealand
Abstract: There is currently little understanding regarding storm surge in New Zealand, particularly in the southern region. To date, there has been no attempt to establish the frequency and magnitude of storm surge using observed sea level data on the open coast. The aim of this study is to examine the nature of storm surge in southern New Zealand and explore the influence of the Southern Annular Mode (SAM) and the El Nino Southern Oscillation (ENSO) on the frequency and magnitude of storm surge. Bayesian estimation is used through the 'extRemes' package in R to determine the return period for storm surge at three locations around southern New Zealand. The 100-year return level varied between 0.91 and 1.31 m. In addition, a statistically significant increase (2.88%) in storm surge intensity (SSI) on the south-east coastline was found. Applying cross-correlation to assess the response of SSI to ENSO and SAM, returned no detectable relationship, except a weak relationship between SAM and SSI on the south-east coast where a two-three month lagged response was present. [ABSTRACT FROM AUTHOR]
Copyright of New Zealand Journal of Marine & Freshwater Research is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
  Availability: 0
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DbLabel: Engineering Source
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AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: The magnitude and frequency of storm surge in southern New Zealand.
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  Data: <searchLink fieldCode="JN" term="%22New+Zealand+Journal+of+Marine+%26+Freshwater+Research%22">New Zealand Journal of Marine & Freshwater Research</searchLink>. Jun2021, Vol. 55 Issue 2, p336-351. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Storm+surges%22">Storm surges</searchLink><br /><searchLink fieldCode="DE" term="%22El+Niño%22">El Niño</searchLink><br /><searchLink fieldCode="DE" term="%22Antarctic+oscillation%22">Antarctic oscillation</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22New+Zealand%22">New Zealand</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: There is currently little understanding regarding storm surge in New Zealand, particularly in the southern region. To date, there has been no attempt to establish the frequency and magnitude of storm surge using observed sea level data on the open coast. The aim of this study is to examine the nature of storm surge in southern New Zealand and explore the influence of the Southern Annular Mode (SAM) and the El Nino Southern Oscillation (ENSO) on the frequency and magnitude of storm surge. Bayesian estimation is used through the 'extRemes' package in R to determine the return period for storm surge at three locations around southern New Zealand. The 100-year return level varied between 0.91 and 1.31 m. In addition, a statistically significant increase (2.88%) in storm surge intensity (SSI) on the south-east coastline was found. Applying cross-correlation to assess the response of SSI to ENSO and SAM, returned no detectable relationship, except a weak relationship between SAM and SSI on the south-east coast where a two-three month lagged response was present. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of New Zealand Journal of Marine & Freshwater Research is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=150982445
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      – Type: doi
        Value: 10.1080/00288330.2020.1764596
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 16
        StartPage: 336
    Subjects:
      – SubjectFull: Storm surges
        Type: general
      – SubjectFull: El Niño
        Type: general
      – SubjectFull: Antarctic oscillation
        Type: general
      – SubjectFull: New Zealand
        Type: general
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      – TitleFull: The magnitude and frequency of storm surge in southern New Zealand.
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            NameFull: Jowett, Tim
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            – D: 01
              M: 06
              Text: Jun2021
              Type: published
              Y: 2021
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            – TitleFull: New Zealand Journal of Marine & Freshwater Research
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