Ocean Science
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Articles | Volume 14, issue 5
Articles | Volume 14, issue 5
https://doi.org/10.5194/os-14-1057-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/os-14-1057-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 5
Research article
 | 
14 Sep 2018
Research article |  | 14 Sep 2018

Radiational tides: their double-counting in storm surge forecasts and contribution to the Highest Astronomical Tide

Joanne Williams, Maialen Irazoqui Apecechea, Andrew Saulter, and Kevin J. Horsburgh

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Short summary
Tide predictions based on tide-gauge observations are not just astronomical tides; they also contain periodic sea level changes due to the weather. Forecasts of total water level during storm surges add the immediate effects of the weather to the astronomical tide prediction and thus risk double-counting these effects. We use a global model to see how much double-counting may affect these forecasts and also how much of the Highest Astronomical Tide may be due to recurrent weather patterns.
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Special issue
Developments in the science and history of tides (OS/ACP/HGSS/NPG/SE...