3D wind vectors can be derived from high resolution visible (VIS) and thermal infrared (TIR) stereo images of the drift of clouds and upper troposphere water vapour structure by two satellites operated as a TANDEM on the same low Earth orbit LEO with a time delay of 200s to 600s. Threefold along-track stereoscopy at narrow stereo view angles of +10 and +15 for the VIS and TIR bands will provide high redundancy and sufficient similarity of the observed image texture for automatic image correlation and data evaluation. A ground pixel size of 100 and 200 m for the VIS/TIR bands and one pixel worst case accuracy for image correlation will provide a wind resolution of 0 5 m/s and 1 0 m/s at a time gap of only 200 s and a height resolution of 600 m and 700 m Daily global coverage is achieved either by one TANDEM at large height (greater than 700km) or by a double TANDEM of smaller satellites at lower height (smaller than 550km).


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    Title :

    A multiple satellite concept for severe weather monitoring


    Additional title:

    Ein multiples Satellitenkonzept zur Wetterüberwachung


    Contributors:


    Publication date :

    2005


    Size :

    4 Seiten, 1 Bild, 1 Tabelle, 5 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English






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