Articles | Volume 18, issue 7
Atmos. Chem. Phys., 18, 5059–5074, 2018
https://doi.org/10.5194/acp-18-5059-2018
Atmos. Chem. Phys., 18, 5059–5074, 2018
https://doi.org/10.5194/acp-18-5059-2018

Research article 13 Apr 2018

Research article | 13 Apr 2018

The influence of idealized surface heterogeneity on virtual turbulent flux measurements

Frederik De Roo and Matthias Mauder

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Short summary
We investigate the mismatch between incoming energy and the turbulent flux of sensible heat at the Earth's surface and how surface heterogeneity affects this imbalance. To resolve the turbulent fluxes we employ large-eddy simulations. We study terrain with different heterogeneity lengths and quantify the contributions of advection by the mean flow and horizontal flux-divergence in the surface energy budget. We find that the latter contributions depend on the scale of the heterogeneity length.
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