Hindcasting of wave climate along the Pacific Coast of Japan in October 2014

Shinsaku Nishizaki, Tomoya Shibayama, Tomoyuki Takabatake, Ryota Nakamura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

One-month wave simulations were performed from Oct. 1st to Nov. 1st in 2014. The one-way numerical models composed of WRF (Weather Research and Forecasting) and SWAN (Simulating WAve Nearshore) were used. This research focused on evaluations of both a resolution of wind data and a difference between structured SWAN (STSWAN) and unstructured SWAN (UNSWAN). The results show some differences among case studies. High resolution wind data affect peak values of significant waves at typhoon periods. In addition, the overestimation of swell caused by typhoons decreased at the nearshore points, in particular at Shimoda by using UNSWAN. As a conclusion, there is little difference between STSWAN and UNSWAN on the overall simulation of wave climate. However, UNSWAN is useful for simulating nearshore waves and has possibility to predict wave climate with higher precision than STSWAN.

Original languageEnglish
Title of host publicationASIAN AND PACIFIC COASTS 2017
PublisherWorld Scientific Publishing Co. Pte Ltd
Pages129-138
Number of pages10
Edition213039
ISBN (Print)9789813233805
DOIs
Publication statusPublished - 2018 Jan 1
Event9th International Conference on Asian and Pacific Coasts, APAC 2017 - Pasay, Philippines
Duration: 2017 Oct 192017 Oct 21

Other

Other9th International Conference on Asian and Pacific Coasts, APAC 2017
CountryPhilippines
CityPasay
Period17/10/1917/10/21

Keywords

  • one-month wave simulation
  • significant wave
  • STSWAN
  • swell
  • UNSWAN

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Oceanography

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