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Jun Zhang presented this work during his short visit at NCAR in June 2011. Below is the abstract of this talk:
The boundary layer is known to play an important role in the energy transport processes of a hurricane, regulating the radial and vertical distribution of momentum and enthalpy that are closely related to storm development and intensification. However, the hurricane boundary layer is the least observed part of a storm till now. In particular, there is a lack of turbulence observation due to instrumentation limitation and safety constraint. This talk will present aircraft observations of the atmospheric boundary layer structure in intense hurricanes. Turbulence data presented are related to topics of air-sea exchange of turbulent fluxes, turbulent kinetic energy budget, dissipative heating, and vertical mixing in the boundary layer. The question of how to define the top of the hurricane boundary layer is also discussed.