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Observation Of A Self-Limiting, Shear-Induced Turbulent Inversion Layer Above Marine Stratocumulus, J. Katzwinkel, H. Siebert, R. A. Shaw
Observation Of A Self-Limiting, Shear-Induced Turbulent Inversion Layer Above Marine Stratocumulus, J. Katzwinkel, H. Siebert, R. A. Shaw
Michigan Tech Publications
High-resolution measurements of thermodynamic, microphysical, and turbulence properties inside a turbulent inversion layer above a marine stratocumulus cloud layer are presented. The measurements are performed with the helicopter-towed measurement payload Airborne Cloud Turbulence Observation System (ACTOS), which allows for sampling with low true air speeds and steep profiles through cloud top. Vertical profiles show that the turbulent inversion layer consists of clear air above the cloud top, with nearly linear profiles of potential temperature, horizontal wind speed, absolute humidity, and concentration of interstitial aerosol. The layer is turbulent, with an energy dissipation rate nearly the same as that in the …