Influence of accelerometer parametrizations on GRACE post-fit residuals

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dc.identifier.uri Koch, Igor ger Shabanloui, Akbar ger Flury, Jakob ger 2020-12-15T08:24:08Z 2020-12-15T08:24:08Z 2019-04-07
dc.identifier.citation Koch, I.; Shabanloui, A.; Flury, J.: Influence of accelerometer parametrizations on GRACE post-fit residuals. Poster at EGU General Assembly 2019, 7-12 April 2019, Vienna, Austria. München : European Geosciences Union, 2019
dc.description.abstract Accelerometers onboard of satellites can be regarded as a key improvement in gravity field recovery. These instruments are located in the center of mass of the satellite and are precisely measuring non-gravitational forces acting on the satellite surfaces. Accelerometer measurements are distorted in their magnitude and amplitude, so an accelerometer calibration has to be carried out. Usually, in orbit determination and gravity field parameter estimation, a priori values are introduced and corresponding numeric corrections are estimated iteratively. Within the gravity field recovery community various accelerometer calibration parametrizations are applied. We have tested several parametrization scenarios within our in-house developed GRACE-SIGMA gravity field recovery software. In this contribution, we present the impact of these scenarios on post- fit KBRR residuals. eng
dc.language.iso eng ger
dc.publisher München : European Geosciences Union
dc.rights CC BY 3.0 DE ger
dc.rights.uri ger
dc.subject Gravity field recovery eng
dc.subject GRACE eng
dc.subject Accelerometer eng
dc.subject Accelerometer calibration eng
dc.subject Schwerefeldbestimmung ger
dc.subject GRACE ger
dc.subject Akzelerometer ger
dc.subject Akzelerometer-Kalibrierung ger
dc.subject.ddc 550 | Geowissenschaften ger
dc.title Influence of accelerometer parametrizations on GRACE post-fit residuals eng
dc.type conferenceObject ger
dc.type Text ger
dc.description.version publishedVersion ger
tib.accessRights frei zug�nglich

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