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Earth System Science Data The Data Publishing Journal
https://doi.org/10.5194/essd-2017-45
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Review article
07 Aug 2017
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Earth System Science Data (ESSD).
Instrument Data Simulations for GRACE Follow-on: Observation and Noise Models
Neda Darbeheshti1, Henry Wegener1, Vitali Müller1, Majid Naeimi2, Gerhard Heinzel1, and Martin Hewitson1 1Max Planck Institute for Gravitational Physics (Albert Einstein Institute)-Leibniz Universität Hannover
2Institut für Erdmessung-Leibniz Universität Hannover
Abstract. The Gravity Recovery and Climate Experiment (GRACE) mission has yielded data on the Earth's gravity field to monitor temporal changes for more than fifteen years now. The GRACE twin satellites use microwave ranging with micrometer precision to measure distance variations between two satellites caused by the Earth's global gravitational field. GRACE Follow-on (GRACE-FO) will be the first satellite mission to use inter-satellite laser interferometry in space. The laser ranging instrument (LRI) will provide two additional measurements compared to the GRACE mission: interferometric inter-satellite ranging with nanometer precision and inter-satellite pointing information. We have designed a set of simulated GRACE-FO data, which include LRI measurements, apart from all other GRACE instrument data needed for the Earth's gravity field recovery. The simulated data files are publicly available via https://doi.org/10.22027/AMDC2 and can be used to derive gravity field solutions like from GRACE data. This paper describes the scientific basis and technical approaches used to simulate the GRACE-FO instrument data.

Citation: Darbeheshti, N., Wegener, H., Müller, V., Naeimi, M., Heinzel, G., and Hewitson, M.: Instrument Data Simulations for GRACE Follow-on: Observation and Noise Models, Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2017-45, in review, 2017.
Neda Darbeheshti et al.
Neda Darbeheshti et al.
Neda Darbeheshti et al.

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The Gravity Recovery and Climate Experiment (GRACE) mission has yielded data on the Earth's gravity field to monitor temporal changes for more than fifteen years now. GRACE Follow-on will be the first satellite mission to use inter-satellite laser interferometry in space to measure distance variations between two satellites caused by the Earth's global gravitational field. This paper describes the scientific basis and technical approaches used to simulate the GRACE Follow-on instrument data.
The Gravity Recovery and Climate Experiment (GRACE) mission has yielded data on the Earth's...
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