In this contribution, the in-house (processed) GOCE products including precise orbit and Earth’s gravity field are compared to the official ESA products. The comparison is drawn on orbit product as well as gravity field level. To ensure comparability, gravity field models from both orbits are estimated in an identical fashion,whichisparticularlytrueforthestochasticalmodel.Wefindthatthein-house processed orbit is piecewise rather smooth, but contains jumps like discontinuities in the calculated geometrical point-wise positions. This leads to a degradation of the gravity field solution about by a factor of two in terms of degree variances when compared to the solution from the official orbit product. The final version is available at https://link.springer.com/chapter/10.1007%2F978-3-642-32135-1_13.


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    Title :

    Global Gravity Field Models from Different GOCE Orbit Products


    Contributors:

    Publication date :

    2014-01-01


    Remarks:

    Observation of the System Earth from Space - CHAMP, GRACE, GOCE and future missions



    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English



    Classification :

    DDC:    520 / 629



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