Observations and Interpretation of Turbulence,Wind Variations and Showers in the Tropical Marine Boundary Layer.

摘要

Measurements of turbulence and turbulent fluxes made from a C-54Q aircraft during BOMEX are summarized and compared with measurements made by other groups. The distribution of showers,turbulence and other parameters within the large-scale disturbances have been measured and averaged. It was found that the turbulence in the sub-cloud layer varies systematically in the vicinity of showers. A minimum is noted about 3to 4shower diameters from the shower. A secondary maximum,two thirds the strength of the maximum within the shower,is observed 6to 10diameters from the shower. The winds observed from Oceanographer during Phase III of BOMEX were used,together with aircraft turbulence data to evaluate the various effects of stability,secondary instability circulations,cumulus convection and periodic pressure changes. (Modified author abstract)