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Earth System Science Data The Data Publishing Journal
https://doi.org/10.5194/essd-2017-36
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Review article
22 Jun 2017
Review status
This discussion paper is a preprint. A revision of this manuscript was accepted for the journal Earth System Science Data (ESSD) and is expected to appear here in due course.
A multi-decadal wind-wave hindcast for the North Sea 1949–2014: coastDat2
Nikolaus Groll and Ralf Weisse Institute for Coastal Research, Helmholtz-Zentrum Geesthacht, 21502 Geesthacht, Germany
Abstract. Long and consistent wave data are important for analysing wave climate variability and change. Moreover, such statistics are also needed in coastal and offshore design and for addressing safety-related issues at sea. Using the third-generation spectral wave model WAM a multi-decadal wind-wave hindcast for the North Sea covering the period 1949–2014 was produced. The hindcast is part of the coastDat database representing a consistent and homogenous met-ocean data set. It is shown that despite not being perfect, data from the wave hindcast are generally suitable for wave climate analysis. In particular comparisons of hindcast data with in situ and satellite observations show on average a reasonable agreement while a tendency towards overestimation of the highest waves could be inferred. Despite these limitations, the wave hindcast still provides useful data for assessing wave climate variability and change as well as for risk analysis, in particular when conservative estimates are needed. Hindcast data are stored at the World Data Center for Climate (WDCC) and can be freely accessed using the https://doi.org/10.1594/WDCC/coastDat-2_WAM-North_Sea (Groll and Weisse, 2016) or via the coastDat web-page http://www.coastdat.de.

Citation: Groll, N. and Weisse, R.: A multi-decadal wind-wave hindcast for the North Sea 1949–2014: coastDat2, Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2017-36, in review, 2017.
Nikolaus Groll and Ralf Weisse

Data sets

coastDat-2 North Sea wave hindcast for the period 1949-2014 performed with the wave model WAM
Groll, Nikolaus and Weisse, Ralf
https://doi.org/10.1594/WDCC/coastDat-2_WAM-North_Sea
Nikolaus Groll and Ralf Weisse

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Short summary
A wave hindcast for the North Sea covering the period 1949–2014 using the third-generation spectral wave model WAM was produced. The hindcast is part of the coastDat database representing a consistent and homogenous met-ocean data set. It is shown that despite not being perfect, data from the wave hindcast are generally suitable for wave climate analysis.
A wave hindcast for the North Sea covering the period 1949–2014 using the third-generation...
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