P9.3 Radiative flux divergence measurements durning CASES-99

Wednesday, 9 August 2000
S. P. Burns, NCAR, Boulder, CO; and J. Sun, A. C. Delany, S. P. Oncley, and T. W. Horst

The radiative flux divergence was measured by the NCAR/ATD during CASES99. We find a significant radiative flux divergence at night, especially under weak wind conditions. The importance of the radiative flux divergence will be examined by comparing its magnitude with the vertical divergence of the sensible heat flux. The influence of the radiative flux divergence on the performance of Monin-Obuhkov similarity under stable boundary conditions will be investigated.
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