Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 407368
Title Energy balance closure for the LITFASS-2003 experiment
Author(s) Foken, T.; Mauder, M.; Liebethal, C.; Wimmer, F.; Beyrich, F.; Leps, J.P.; Raasch, S.; Debruin, H.A.R.; Meijninger, W.M.L.; Bange, J.
Source Theoretical and Applied Climatology 101 (2010)1-2. - ISSN 0177-798X - p. 149 - 160.
Department(s) Meteorology and Air Quality
Publication type Refereed Article in a scientific journal
Publication year 2010
Keyword(s) heterogeneous land-surface - large-aperture scintillometer - eddy-covariance measurements - effective roughness length - sonic anemometer - flux measurements - water-vapor - heat-flux - experiment ebex-2000 - turbulent fluxes
Abstract In the first part, this paper synthesises the main results from a series of previous studies on the closure of the local energy balance at low-vegetation sites during the LITFASS-2003 experiment. A residual of up to 25% of the available energy has been found which cannot be fully explained either by the measurement uncertainty of the single components of the surface energy balance or by the length of the flux-averaging period. In the second part, secondary circulations due to heterogeneities in the surface characteristics (roughness, thermal and moisture properties) are discussed as a possible cause for the observed energy balance non-closure. This hypothesis seems to be supported from the fluxes derived from area-averaging measurement techniques (scintillometers, aircraft).
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