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Regional Meteorological–Marine Reanalyses and Climate Change Projections

Results for Northern Europe and Potential for Coastal and Offshore Applications

Ralf Weisse
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Hans von Storch
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Ulrich Callies
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Alena Chrastansky
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Frauke Feser
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Iris Grabemann
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Heinz Günther
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Andreas Pluess
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Thomas Stoye
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Jan Tellkamp
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Jörg Winterfeldt
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Katja Woth
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A compilation of coastal weather analyses and climate change scenarios for the future for northern Europe from various sources is presented. They contain no direct measurements but results from numerical models that have been driven either by observed data in order to achieve the best possible representation of observed past conditions or by climate change scenarios for the near future. A comparison with the limited number of observational data points to the good quality of the model data in terms of long-term statistics, such as multiyear return values of wind speed and wave heights. These model data provide a unique combination of consistent atmospheric, oceanic, sea state, and other parameters at high spatial and temporal detail, even for places and variables for which no measurements have been made. In addition, coastal scenarios for the near future complement the numerical analyses of past conditions in a consistent way. The backbones of the data are regional wind, wave, and storm surge hindcasts and scenarios mainly for the North Sea. We briefly discuss the methodology to derive these data, their quality, and limitations in comparison with observations. Long-term changes in the wind, wave, and storm surge climate are discussed, and possible future changes are assessed. A variety of coastal and offshore applications taking advantage of the data is presented. Examples comprise applications in ship design, oil risk modeling and assessment, or the construction and operation of offshore wind farms.

Institute for Coastal Research, GKSS Research Centre, Geesthacht, Germany

Federal Waterways Engineering and Research Institute, Hamburg, Germany

Flensburger Schiffbau-Gesellschaft mbH & Co. KG, Flensburg, Germany

DNV Germany, GmbH, Hamburg, Germany

CORRESPONDING AUTHOR: Ralf Weisse, Institute for Coastal Research, GKSS Research Centre, Max-Planck-Str.l, 21502 Geesthacht, Germany, E-mail: ralf.weisse@gkss.de

A compilation of coastal weather analyses and climate change scenarios for the future for northern Europe from various sources is presented. They contain no direct measurements but results from numerical models that have been driven either by observed data in order to achieve the best possible representation of observed past conditions or by climate change scenarios for the near future. A comparison with the limited number of observational data points to the good quality of the model data in terms of long-term statistics, such as multiyear return values of wind speed and wave heights. These model data provide a unique combination of consistent atmospheric, oceanic, sea state, and other parameters at high spatial and temporal detail, even for places and variables for which no measurements have been made. In addition, coastal scenarios for the near future complement the numerical analyses of past conditions in a consistent way. The backbones of the data are regional wind, wave, and storm surge hindcasts and scenarios mainly for the North Sea. We briefly discuss the methodology to derive these data, their quality, and limitations in comparison with observations. Long-term changes in the wind, wave, and storm surge climate are discussed, and possible future changes are assessed. A variety of coastal and offshore applications taking advantage of the data is presented. Examples comprise applications in ship design, oil risk modeling and assessment, or the construction and operation of offshore wind farms.

Institute for Coastal Research, GKSS Research Centre, Geesthacht, Germany

Federal Waterways Engineering and Research Institute, Hamburg, Germany

Flensburger Schiffbau-Gesellschaft mbH & Co. KG, Flensburg, Germany

DNV Germany, GmbH, Hamburg, Germany

CORRESPONDING AUTHOR: Ralf Weisse, Institute for Coastal Research, GKSS Research Centre, Max-Planck-Str.l, 21502 Geesthacht, Germany, E-mail: ralf.weisse@gkss.de
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