Wind Farms and Humidity

Kevin A. Adkins and Adrian Sescu
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Kevin A. Adkins: College of Aviation, Embry-Riddle Aeronautical University, Daytona Beach, FL 32114, USA
Adrian Sescu: Department of Aerospace Engineering, Mississippi State University, Starkville, MS 39762, USA

Energies, 2022, vol. 15, issue 7, 1-15

Abstract: Several investigations have shown that enhanced mixing brought about by wind turbines alters near-surface meteorological conditions within and downstream of a wind farm. When scalar meteorological parameters have been considered, the focus has most often centered on temperature changes. A subset of these works has also considered humidity to various extents. These limited investigations are complemented by just a few studies dedicated to analyzing humidity changes. With onshore wind turbines often sited in agricultural areas, any changes to the microclimate surrounding a turbine can impact plant health and the length of the growing season; any changes to the environment around an offshore wind farm can change cloud and fog formation and dissipation, among other impacts. This article provides a review of observational field campaigns and numerical investigations examining changes to humidity within wind turbine array boundary layers. Across the range of empirical observations and numerical simulations, changes to humidity were observed in stably stratified conditions. In addition to the role of atmospheric stability, this review reveals that the nature of the change depends on the upstream moisture profile; robustness of the mixing; turbine array layout; distance from the turbine, in all three directions; and vertical temperature profile.

Keywords: wind turbine; wind turbine array; atmospheric boundary layer; atmospheric observations; unmanned aircraft systems; humidity; moisture; atmosphere–land interaction; large-eddy simulation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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