The combined satellite-only gravity field model GOCO06s

Andreas Kvas, Torsten Mayer-Gürr, Sandro Krauß, Jan Martin Brockmann, Till Schubert, Wolf-Dieter Schuh, Roland Pail, Thomas Gruber, Adrian Jäggi, Ulrich Meyer

Publikation: KonferenzbeitragPaperForschung

Abstract

The main objective of the GOCO (“Gravity Observation Combination“) project is to compute high-accuracy and high-resolution static global gravity field models based on data of the dedicated satellite gravity missions CHAMP, GRACE, and GOCE, SLR data, and kinematic orbits from different Low Earth Orbiters.In this contribution we present the latest release GOCO06s. The motivation for this new release lies in various improvements within the processing chain as well as the availability of reprocessed observation data for GRACE and GOCE and updated background models. The main focus in the GOCO combination process is on the proper handling of the stochastic behavior of the data. Therefore, the resulting accuracy information in terms of a full variance covariance matrix is quite realistic and also published with the solution. GOCO06s consists not only of a static gravity field, but the temporal variations are modeled as well. These are represented as regularized trend and annual signal.
Originalspracheenglisch
PublikationsstatusVeröffentlicht - 11 Jul 2019
Veranstaltung27th IUGG General Assembly - Montreal, Kanada
Dauer: 8 Jul 201918 Jul 2019

Konferenz

Konferenz27th IUGG General Assembly
LandKanada
OrtMontreal
Zeitraum8/07/1918/07/19

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gravity field
GOCE
GRACE
gravity
satellite laser ranging
CHAMP
temporal variation
kinematics
matrix

Schlagwörter

    Fields of Expertise

    • Sustainable Systems

    Dies zitieren

    Kvas, A., Mayer-Gürr, T., Krauß, S., Brockmann, J. M., Schubert, T., Schuh, W-D., ... Meyer, U. (2019). The combined satellite-only gravity field model GOCO06s. Beitrag in 27th IUGG General Assembly, Montreal, Kanada.

    The combined satellite-only gravity field model GOCO06s. / Kvas, Andreas; Mayer-Gürr, Torsten; Krauß, Sandro; Brockmann, Jan Martin; Schubert, Till; Schuh, Wolf-Dieter; Pail, Roland; Gruber, Thomas; Jäggi, Adrian; Meyer, Ulrich.

    2019. Beitrag in 27th IUGG General Assembly, Montreal, Kanada.

    Publikation: KonferenzbeitragPaperForschung

    Kvas, A, Mayer-Gürr, T, Krauß, S, Brockmann, JM, Schubert, T, Schuh, W-D, Pail, R, Gruber, T, Jäggi, A & Meyer, U 2019, 'The combined satellite-only gravity field model GOCO06s' Beitrag in, Montreal, Kanada, 8/07/19 - 18/07/19, .
    Kvas A, Mayer-Gürr T, Krauß S, Brockmann JM, Schubert T, Schuh W-D et al. The combined satellite-only gravity field model GOCO06s. 2019. Beitrag in 27th IUGG General Assembly, Montreal, Kanada.
    Kvas, Andreas ; Mayer-Gürr, Torsten ; Krauß, Sandro ; Brockmann, Jan Martin ; Schubert, Till ; Schuh, Wolf-Dieter ; Pail, Roland ; Gruber, Thomas ; Jäggi, Adrian ; Meyer, Ulrich. / The combined satellite-only gravity field model GOCO06s. Beitrag in 27th IUGG General Assembly, Montreal, Kanada.
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    AU - Kvas, Andreas

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    AU - Krauß, Sandro

    AU - Brockmann, Jan Martin

    AU - Schubert, Till

    AU - Schuh, Wolf-Dieter

    AU - Pail, Roland

    AU - Gruber, Thomas

    AU - Jäggi, Adrian

    AU - Meyer, Ulrich

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    AB - The main objective of the GOCO (“Gravity Observation Combination“) project is to compute high-accuracy and high-resolution static global gravity field models based on data of the dedicated satellite gravity missions CHAMP, GRACE, and GOCE, SLR data, and kinematic orbits from different Low Earth Orbiters.In this contribution we present the latest release GOCO06s. The motivation for this new release lies in various improvements within the processing chain as well as the availability of reprocessed observation data for GRACE and GOCE and updated background models. The main focus in the GOCO combination process is on the proper handling of the stochastic behavior of the data. Therefore, the resulting accuracy information in terms of a full variance covariance matrix is quite realistic and also published with the solution. GOCO06s consists not only of a static gravity field, but the temporal variations are modeled as well. These are represented as regularized trend and annual signal.

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