Enhancing the Simulation of Turbulent Kinetic Energy in the Marine Atmospheric Boundary Layer
Improvements in the calculation of turbulent kinetic energy (TKE) by the Mellor-Yamada-Janjic (MYJ) turbulence closure scheme in the Weather Research and Forecasting (WRF) model are presented with a focus on turbulence as measured by the offshore measurement platform in the North Sea, FINO1. Updates to the MYJ scheme to be presented here are however expected to be equally valid over land as well as the sea, since they are based on recent high Reynolds number boundary layer experiments in the laboratory. Improvements of 40% (RMS) in the calculation of TKE by the updated MYJ scheme for a high wind speed period at FINO1 during January 2005 are reported here.
KeywordsParticle Image Velocimetry Turbulent Kinetic Energy Wind Energy Numerical Weather Prediction Model Turbulence Closure Model
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