Articles | Volume 19, issue 10
Atmos. Chem. Phys., 19, 6681–6700, 2019
Atmos. Chem. Phys., 19, 6681–6700, 2019
Research article
20 May 2019
Research article | 20 May 2019

A new roughness length parameterization accounting for wind–wave (mis)alignment

Sara Porchetta et al.

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Short summary
Two-way feedback occurs between offshore wind and waves. Using an extensive data set of offshore measurements, we show that the wave roughness affecting the wind is dependent on the alignment between the wind and wave directions. Moreover, we propose a new roughness parameterization that takes into account the dependence on alignment. Using this in numerical models will facilitate a better representation of offshore wind, which is relevant to wind energy and and climate modeling.
Final-revised paper