| BOUNDARY LAYER GROWTH AND LAPSE RATE CHANGES DETERMINED BY LIDAR AND SURFACE HEAT FLUX IN SOFIA |
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| 作者姓名： | E.Donev K.Zeller St.Panchev I.Kolev |
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| 作者单位： | Department of Meteorology Faculty of Physics，Sofia University，Bulgaria，USDA Forest Service，Rocky Mountain Forest and Range Experiment Station，Fort Collins，Colorado，USA，Department of Meteorology，Faculty of Physics，Sofia University，Bulgaria，Institute of Electronics，Bulgarian Academy of Sciences，Bulgaria |
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| 基金项目： | The research was supported by Bulgarian National Foundation“Science”，USDA Forest Service,Rocky Mountain Forest and Range Experiment Station,Fort Collins,Colorado,USA. |
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| 摘 要： | In this study the results from a boundary layer experiment,conducted in autumn 1991 over a flat,build-up urbanarea in Southeast Sofia,together with some models for mixed layer growth rates are used to investigate the layered struc-ture of the vertical atmospheric stability distribution in the Sofia Valley.Lidar measurements of aerosol layer heightsand morning boundary layer development are combined with surface eddy correlation measurements of kinematic heatand moisture fluxes,profiles of temperature and humidity,wind speed and wind direction.A diagnostic method is pres-ented for determining vertical lapse rates using surface meteorological measurements and lidar returns observed duringthe transition from nighttime stable stratification to daytime convective boundary layer after the sunrise.
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BOUNDARY LAYER GROWTH AND LAPSE RATE CHANGES DETERMINED BY LIDAR AND SURFACE HEAT FLUX IN SOFIA |
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| E.Donev,K.Zeller,St.Panchev,I.Kolev.BOUNDARY LAYER GROWTH AND LAPSE RATE CHANGES DETERMINED BY LIDAR AND SURFACE HEAT FLUX IN SOFIA[J].Acta Meteorologica Sinica,1995(1). |
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| Authors: | EDonev |
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| Institution: | E.Donev Department of Meteorology,Faculty of Physics,Sofia University,BulgariaK.Zeller USDA Forest Service,Rocky Mountain Forest and Range Experiment Station,Fort Collins,Colorado,USASt.Panchev Department of Meteorology,Faculty of Physics,Sofia University,BulgariaI.Kolev Institute of Electronics,Bulgarian Academy of Sciences,Bulgaria |
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| Abstract: | In this study the results from a boundary layer experiment,conducted in autumn 1991 over a flat,build-up urban area in Southeast Sofia,together with some models for mixed layer growth rates are used to investigate the layered struc- ture of the vertical atmospheric stability distribution in the Sofia Valley.Lidar measurements of aerosol layer heights and morning boundary layer development are combined with surface eddy correlation measurements of kinematic heat and moisture fluxes,profiles of temperature and humidity,wind speed and wind direction.A diagnostic method is pres- ented for determining vertical lapse rates using surface meteorological measurements and lidar returns observed during the transition from nighttime stable stratification to daytime convective boundary layer after the sunrise. |
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| Keywords: | convective boundary layer lidar heat flux lapse rate |
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