The 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; Ulrich Meyer; Adrian Jäggi

doi:10.13140/RG.2.2.14101.99047

The 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, Ulrich Meyer, Adrian Jäggi

Institut für Geodäsie (5220)

Publikation: Konferenzbeitrag › Paper

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 behaviour 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 modelled as well. These are represented as regularized trend and annual signal.

Originalsprache	englisch
DOIs	https://doi.org/10.13140/RG.2.2.14101.99047
Publikationsstatus	Veröffentlicht - 10 Apr 2019
Veranstaltung	EGU General Assembly 2019 - Vienna, Österreich Dauer: 7 Apr 2019 → 12 Apr 2019 https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&ved=2ahUKEwiM5ZP87vPmAhVOY8AKHT46De8QFjAHegQICBAC&url=https%3A%2F%2Fmeetingorganizer.copernicus.org%2FEGU2019%2FEGU2019-8354.pdf&usg=AOvVaw1gxz91-qs9xHHaywJ9W0Md

Konferenz

Konferenz	EGU General Assembly 2019
Kurztitel	EGU2019
Land	Österreich
Ort	Vienna
Zeitraum	7/04/19 → 12/04/19
Internetadresse	https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&ved=2ahUKEwiM5ZP87vPmAhVOY8AKHT46De8QFjAHegQICBAC&url=https%3A%2F%2Fmeetingorganizer.copernicus.org%2FEGU2019%2FEGU2019-8354.pdf&usg=AOvVaw1gxz91-qs9xHHaywJ9W0Md

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Torsten Mayer-Gürr, Sandro Krauß & Andreas Kvas
14/06/19
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title = "The satellite-only gravity field model GOCO06s",

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 behaviour 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 modelled as well. These are represented as regularized trend and annual signal.",

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AU - Krauß, Sandro

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AU - Schuh, Wolf-Dieter

AU - Pail, Roland

AU - Gruber, Thomas

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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 behaviour 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 modelled as well. These are represented as regularized trend and annual signal.

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The satellite-only gravity field model GOCO06s

Abstract

Konferenz

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Schwerefeldbestimmung der Erde so genau wie noch nie

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