Vertical wind velocity observations at the Cabauw tower

H.G. Ouwersloot, S.R. de Roode, F.C. Bosveld, P.S. Kroon

Research output: Chapter in Book/Report/Conference proceedingAbstract

Abstract

If vertical turbulent fluxes are computed from time series collected at a fixed point, it is assumed that the temporal mean vertical velocity is zero. This paper discusses the validity of this assumption by analysis of time series of the vertical wind velocity collected with sonic anemometers at four different heights ranging from 3 to 180 m from the Cabauw tower. It is shown that even for averaging times of 1 hour, the mean vertical velocity can have values of the order of 10 cm/s.
Original languageEnglish
Title of host publication19th Symposium on Boundary Layers and Turbulence, American Meteorological Society, 2-6 August 2010, Keystone, Colorado, USA
Place of PublicationBoston
PublisherAMS
PagesP1.2
Publication statusPublished - 2010
Event19th Symposium on Boundary Layers and Turbulence - Keystone, United States
Duration: 1 Aug 20106 Aug 2010

Conference

Conference19th Symposium on Boundary Layers and Turbulence
CountryUnited States
CityKeystone
Period1/08/106/08/10

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