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Comparison of NWP prognosis and local monitoring data fromNPPs

Published online by Cambridge University Press:  16 September 2010

Wolfgang Raskob ,
Michel Hugon ,
P. Astrup  and
T.K. Mikkelsen
P. Astrup
Affiliation:
Wind Energy Department, Risø – DTU, Frederiksborgvej 399, 4000 Roskilde, Denmark
T.K. Mikkelsen
Affiliation:
Wind Energy Department, Risø – DTU, Frederiksborgvej 399, 4000 Roskilde, Denmark
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Abstract

For four German nuclear power plant sites and for Risø, the site of the Danish nuclearresearch reactors now being decommissioned, Numerical Weather Predictions (NWP) of windspeed and direction have been compared to 10 minute averaged local measurements. For theGerman sites the comparison covers data for approximately three month, January to March2009, for the Risø site for approximately two thirds of the year October 1998 to September1999. For each site the comparison has been made for all measurement levels and both forthe NWP analysis time and for the maximum available forecast time. Means and standarddeviations of NWP minus measured data are given as tables for all measurement levels whilescatter plots are presented for only a single measurement level at analysis time at eachsite. For Risø and for the site close to the North Sea plus for the inland sitePhilippsburg the predictions of wind speed are on average rather close to the measured,but for sites not far from the latter two, Krümmel respectively Obrigheim, thediscrepancies are substantial.

Type
Article
Information
Radioprotection , Volume 45 , Issue 5: Enhancing nuclear and radiological emergencymanagement and rehabilitation: Key Results of the EURANOS European Project. , 2010 , pp. S97 - S111
Copyright
© EDP Sciences, 2010

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References

Astrup P., Mikkelsen T.K. (2010) Comparison of NWP wind speeds and directions to measured wind speeds and directions. Risø-R-1715(EN).
van Ulden, A.P., Holtslag, A.A.M. (1985) Estimation of Atmospheric Boundary Layer Parameters for Diffusion Applications, J.Clim. Appl. Meteorol. 24, 1196-1207.2.0.CO;2>CrossRefGoogle Scholar