Characteristic Analysis of Temperature Inversion in Lower Level Atmosphere over Chongqing Based on L Band Radar Data
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Abstract:
In order to analyze the variation of the temperature inversion layer in the lower atmosphere over Chongqing, the daily L band radar data set in the period of 2005 to 2009 in Shapingba Weather Station is used. The frequency, intensity, thickness, and distribution of temperature inversion are analyzed in detail. The results reveal that there existed temperature inversion in the lower atmosphere over Chongqing in most days of a year, up to 93%, most frequent in summer and rarely in winter; the overall intensity of is modest, with the average intensity of touchdown inversion at 07:00 and 19:00 being 0.53 ℃/hm and 06 ℃/hm, respectively, which are two times as much as those of suspension inversion at the same time. In respect of the characteristics in the vertical distribution, the lower level temperature inversion layers are relatively thin and divided into many layers, sometimes up to 6 layers.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.