Abstract An accurate and continuous monitoring of lakes and inland seas is available since 1993 thanks to the satellite altimetry missions (Topex–Poseidon, GFO, ERS-2, Jason-1, Jason-2 and Envisat). Global data processing of these satellites provides temporal and spatial time series of lakes surface height with a decimetre precision on the whole Earth. The response of water level to regional hydrology is particularly marked for lakes and inland seas in semi-arid regions. A lake data centre is under development at by LEGOS (Laboratoire d’Etude en Géophysique et Océanographie Spatiale) in Toulouse, in coordination with the HYDROLARE project (Headed by SHI: State Hydrological Institute of the Russian Academy of Science). It already provides level variations for about 150 lakes and reservoirs, freely available on the web site (HYDROWEB: http://www.LEGOS.obs-mip.fr/soa/hydrologie/HYDROWEB), and surface-volume variations of about 50 big lakes are also calculated through a combination of various satellite images (Modis, Asar, Landsat, Cbers) and radar altimetry. The final objective is to achieve in 2011 a fully operating data centre based on remote sensing technique and controlled by the in situ infrastructure for the Global Terrestrial Network for Lakes (GTN-L) under the supervision of WMO (World Meteorological Organization) and GCOS (Global Climate Observing System).


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    Titel :

    SOLS: A lake database to monitor in the Near Real Time water level and storage variations from remote sensing data


    Beteiligte:
    Crétaux, J.-F. (Autor:in) / Jelinski, W. (Autor:in) / Calmant, S. (Autor:in) / Kouraev, A. (Autor:in) / Vuglinski, V. (Autor:in) / Bergé-Nguyen, M. (Autor:in) / Gennero, M.-C. (Autor:in) / Nino, F. (Autor:in) / Abarca Del Rio, R. (Autor:in) / Cazenave, A. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 47 , 9 ; 1497-1507


    Erscheinungsdatum :

    2011-01-02


    Format / Umfang :

    11 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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