Mass variation observing system by high low inter-satellite links (MOBILE) - A new concept for sustained observation of mass transport from space

Research output: Contribution to journalArticleResearchpeer review

Authors

  • R. Pail
  • J. Bamber
  • R. Biancale
  • R. Bingham
  • C. Braitenberg
  • A. Eicker
  • F. Flechtner
  • T. Gruber
  • A. Güntner
  • G. Heinzel
  • M. Horwath
  • L. Longuevergne
  • J. Müller
  • I. Panet
  • H. Savenije
  • S. Seneviratne
  • N. Sneeuw
  • T. Van Dam
  • B. Wouters

Research Organisations

External Research Organisations

  • Technical University of Munich (TUM)
  • University of Bristol
  • Centre national d’études spatiales (CNES)
  • University of Trieste
  • Universität Hamburg
  • Technische Universität Berlin
  • Helmholtz Centre Potsdam - German Research Centre for Geosciences (GFZ)
  • Max Planck Institute for Gravitational Physics (Albert Einstein Institute)
  • Technische Universität Dresden
  • Centre national de la recherche scientifique (CNRS)
  • National Institute of Geographic and Forest Information (IGN)
  • Delft University of Technology
  • ETH Zurich
  • University of Stuttgart
  • University of Luxembourg
  • Utrecht University
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Details

Original languageEnglish
Pages (from-to)48-58
Number of pages11
JournalJournal of Geodetic Science
Volume9
Issue number1
Publication statusPublished - Jan 2019

Abstract

As changes in gravity are directly related to mass variability, satellite missions observing the Earth's time varying gravity field are a unique tool for observing mass transport processes in the Earth system, such as the water cycle, rapid changes in the cryosphere, oceans, and solid Earth processes, on a global scale. The observation of Earth's gravity field was successfully performed by the GRACE and GOCE satellite missions, and will be continued by the GRACE Follow-On mission. A comprehensive team of European scientists proposed the next-generation gravity field mission MOBILE in response to the European Space Agency (ESA) call for a Core Mission in the frame of Earth Explorer 10 (EE10). MOBILE is based on the innovative observational concept of a high-low tracking formation with micrometer ranging accuracy, complemented by new instrument concepts. Since a high-low tracking mission primarily observes the radial component of gravity-induced orbit perturbations, the error structure is close to isotropic. This geometry significantly reduces artefacts of previous along-track ranging low-low formations (GRACE, GRACE-Follow-On) such as the typical striping patterns. The minimum configuration consists of at least two medium-Earth orbiters (MEOs) at 10000 km altitude or higher, and one low-Earth orbiter (LEO) at 350-400 km. The main instrument is a laser-based distance or distance change measurement system, which is placed at the LEO. The MEOs are equipped either with passive reflectors or transponders. In a numerical closed-loop simulation, it was demonstrated that this minimum configuration is in agreement with the threshold science requirements of 5 mm equivalent water height (EWH) accuracy at 400 km wavelength, and 10 cm EWH at 200 km. MOBILE provides promising potential future perspectives by linking the concept to existing space infrastructure such as Galileo next-generation, as future element of the Copernicus/Sentinel programme, and holds the potential of miniaturization even up to swarm configurations. As such MOBILE can be considered as a precursor and role model for a sustained mass transport observing system from space.

Keywords

    Gravity field, High-low tracking, Mass transport, Next-generation gravity mission, Spherical harmonics

ASJC Scopus subject areas

Sustainable Development Goals

Cite this

Mass variation observing system by high low inter-satellite links (MOBILE) - A new concept for sustained observation of mass transport from space. / Pail, R.; Bamber, J.; Biancale, R. et al.
In: Journal of Geodetic Science, Vol. 9, No. 1, 01.2019, p. 48-58.

Research output: Contribution to journalArticleResearchpeer review

Pail, R, Bamber, J, Biancale, R, Bingham, R, Braitenberg, C, Eicker, A, Flechtner, F, Gruber, T, Güntner, A, Heinzel, G, Horwath, M, Longuevergne, L, Müller, J, Panet, I, Savenije, H, Seneviratne, S, Sneeuw, N, Van Dam, T & Wouters, B 2019, 'Mass variation observing system by high low inter-satellite links (MOBILE) - A new concept for sustained observation of mass transport from space', Journal of Geodetic Science, vol. 9, no. 1, pp. 48-58. https://doi.org/10.1515/jogs-2019-0006, https://doi.org/10.15488/11230
Pail, R., Bamber, J., Biancale, R., Bingham, R., Braitenberg, C., Eicker, A., Flechtner, F., Gruber, T., Güntner, A., Heinzel, G., Horwath, M., Longuevergne, L., Müller, J., Panet, I., Savenije, H., Seneviratne, S., Sneeuw, N., Van Dam, T., & Wouters, B. (2019). Mass variation observing system by high low inter-satellite links (MOBILE) - A new concept for sustained observation of mass transport from space. Journal of Geodetic Science, 9(1), 48-58. https://doi.org/10.1515/jogs-2019-0006, https://doi.org/10.15488/11230
Pail R, Bamber J, Biancale R, Bingham R, Braitenberg C, Eicker A et al. Mass variation observing system by high low inter-satellite links (MOBILE) - A new concept for sustained observation of mass transport from space. Journal of Geodetic Science. 2019 Jan;9(1):48-58. doi: 10.1515/jogs-2019-0006, 10.15488/11230
Pail, R. ; Bamber, J. ; Biancale, R. et al. / Mass variation observing system by high low inter-satellite links (MOBILE) - A new concept for sustained observation of mass transport from space. In: Journal of Geodetic Science. 2019 ; Vol. 9, No. 1. pp. 48-58.
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