AbstractA Multiplicative Algebraic Reconstruction Technique (MART) assimilation process of calibrated ground-based and occultation GPS TEC data into combined IRI/GCPM model data is described. The resulting electron density fields are assessed with in situ records. An improvement of the electron density estimations by IRI/GCPM of 27.25% at northern high latitudes is obtained through the assimilation of GPS data. A specification of NmF2 and hmF2 within a mean bias of only 8.5×1010m−3 and −6.1km, respectively, is achieved in comparison with soundings of seven European ionosondes.


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    Title :

    A GPS based three-dimensional ionospheric imaging tool: Process and assessment


    Contributors:
    Stolle, C. (author) / Schlüter, S. (author) / Heise, S. (author) / Jacobi, Ch. (author) / Jakowski, N. (author) / Raabe, A. (author)

    Published in:

    Advances in Space Research ; 38 , 11 ; 2313-2317


    Publication date :

    2006-05-19


    Size :

    5 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English