Height of the zone of intense turbulent heat exchange in the stably stratified atmospheric boundary layer. Part 1: Estimation technique and statistics
S.L. Odintsov1,2, V.A. Gladkikh1, A.P. Kamardin1, I.V. Nevzorova1
1V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, Tomsk, Russia
2National Research Tomsk State University, Tomsk, Russia
Keywords: инверсия температуры, пограничный слой атмосферы, содар, температурный профилемер, турбулентный теплообмен, ультразвуковой анемометр-термометр, temperature inversion, atmospheric boundary layer, sodar, temperature profilometer, turbulent heat exchange, sonic anemometer/thermometer
Abstract
The height of the zone of intense turbulent heat exchange in the atmospheric boundary layer is analyzed from experimental data obtained with acoustic meteorological lidars (sodars), temperature profilometers, and sonic anemometers/thermometers. The main purpose of the work is to study the turbulent heat exchange under conditions of temperature inversions in the winter season. The results obtained at a territory with natural landscape and an urban territory in January - February 2020 are considered. Part 1 of the work describes the technique used to obtain experimental data and the statistics of temperature inversions in the boundary layer and heights of the layer of intense turbulent heat exchange. The relation of these heights and the corresponding air temperature gradients to the surface values of the wind speed and the vertical turbulent heat flux are analyzed in Part 2.
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