South Baltic Wind Atlas: South Baltic Offshore Wind Energy Regions Project

Alfredo Pena Diaz, Andrea N. Hahmann, Charlotte Bay Hasager, Ferhat Bingöl, Ioanna Karagali, Jake Badger, Merete Badger, Niels-Erik Clausen

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Abstract

A first version of a wind atlas for the South Baltic Sea has been developed using the WRF mesoscale model and verified by data from tall Danish and German masts. Six different boundary-layer parametrization schemes were evaluated by comparing the WRF results to the observed wind profiles at the masts. The WRF modeling was done in a nested domain of high spatial resolution for 4 years. In addition the longterm wind statistics using the NCAR-NCEP reanalysis data were performed during 30 years to provide basis for a long-term adjustment of the results and the final WRF results include a weighting for the long-term trends variability in the South Baltic Sea. Observations from Earth observing satellites were used to evaluate the spatial resolution of the WRF model results near the surface. The QuikSCAT and the WRF results compared well whereas the Envisat ASAR mean wind map showed some variation to the others. The long-term analysis revealed that the South Baltic Sea has a spatially highly variable wind climate during the 30-years.
Original languageEnglish
Place of PublicationRoskilde
PublisherDanmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi
Number of pages66
ISBN (Print)978-87-550-3899-8
Publication statusPublished - 2011
Externally publishedYes
SeriesDenmark. Forskningscenter Risoe. Risoe-R
Number1775(EN)
ISSN0106-2840

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