AbstractThe general characteristics of middle atmospheric thermal structure have been studied by making use of the Rayleigh lidar data collected over the period of about four years (1998–2001). Here, the data has been used from two different stations in the Indian sub-continent in tropics (Gadanki; 13.5°N, 79.2°E) and in sub-tropics (Mt. Abu; 24.5°N, 72.7°E). The observed monthly mean temperature profiles are compared with different model atmospheres (CIRA-86 and MSISE-90). We observed, the mean temperature profiles have closer agreement with MSISE-90 than CIRA-86. The temperature profiles measured by lidar and HALOE satellite overpass nearby lidar site are generally in agreement with each other. The systematic and statistical errors in deriving temperature are found to be uniform for both the stations, as ∼1K at 50km, ∼3K at 60km and ∼10K at 70km. The special features of mesospheric temperature inversion (MTI) and double stratopause structure (DBS) are also addressed for both the stations.


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    Title :

    A comprehensive study on middle atmospheric thermal structure over a tropic and sub-tropic stations


    Contributors:
    Sharma, Som (author) / Sivakumar, V. (author) / Bencherif, H. (author) / Chandra, H. (author) / Acharya, Y.B. (author) / Jayaraman, A. (author) / Rao, P.B. (author) / Narayana Rao, D. (author)

    Published in:

    Advances in Space Research ; 37 , 12 ; 2278-2283


    Publication date :

    2005-09-03


    Size :

    6 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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