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Two simple wind speed models for practical application under stable conditions

Published online by Cambridge University Press:  09 December 2002

Lidija Cvitan ,
Nadežda šinik  and
Zvjezdana Bencetić Klaić
Lidija Cvitan
Affiliation:
Meteorological and Hydrological Service, Grič, 10000 Zagreb, Croatia
Nadežda šinik
Affiliation:
Andrija Mohorovičić Geophysical Institute, Faculty of Science, University of Zagreb, Horvatovac bb, 10000 Zagreb, Croatia
Zvjezdana Bencetić Klaić
Affiliation:
Andrija Mohorovičić Geophysical Institute, Faculty of Science, University of Zagreb, Horvatovac bb, 10000 Zagreb, Croatia
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Abstract

This paper deals with the utility of Monin-Obukhov similarity theory for wind speed simulation in stable conditions over flat terrain in northern Croatia. Wind speed profiles observed through a 150-m deep layer are compared with those obtained from two simple wind speed models. For this purpose, the similarity functions for two stable classes based on Monin-Obukhov theory are locally determined. They are tested in wind speed simulations using a model based on the Monin-Obukhov theory (MO) and a model which combines the surface-layer model of Monin-Obukhov theory and the Ekman-Taylor type model (MOE). Under less stable conditions the combined model (MOE) produces better skill, whereas the model based on the Monin-Obukhov theory (MO) performed better under more stable conditions.

Type
Research Article
Information
Meteorological Applications , Volume 9 , Issue 4 , December 2002 , pp. 423 - 432
Copyright
© 2002 Royal Meteorological Society

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