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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Preprints
https://doi.org/10.5194/tc-2020-3
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-2020-3
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: research article 21 Jan 2020

Submitted as: research article | 21 Jan 2020

Review status
A revised version of this preprint was accepted for the journal TC and is expected to appear here in due course.

The Copernicus Polar Ice and Snow Topography Altimeter (CRISTAL): Expected Mission Contributions

Michael Kern1, Robert Cullen1, Bruno Berruti1, Jerome Bouffard2, Tania Casal1, Mark R. Drinkwater1, Antonio Gabriele1, Arnaud Lecuyot1, Michael Ludwig1, Rolv Midthassel1, Ignacio Navas Traver1, Tommaso Parrinello2, Gerhard Ressler1, Eric Andersson3, Cristina Martin Puig4, Ole Andersen5, Annett Bartsch6, Sinead L. Farrell7, Sara Fleury8, Simon Gascoin9, Amandine Guillot10, Angelika Humbert11, Eero Rinne12, Andrew Shepherd13, Michiel R. van den Broeke14, and John Yackel15 Michael Kern et al.
  • 1European Space Agency (ESA-ESTEC), Keplerlaan 1, 2201 AZ Noordwijk, The Netherlands
  • 2European Space Agency (ESA-ESRIN), Via Galileo Galilei, Casella Postale 64, 00044 Frascati, Italy
  • 3European Commission, BREY 09/154, 1049 Brussels, Belgium
  • 4EUMETSAT, Eumetsat Allee 1, 64295 Darmstadt, Germany
  • 5DTU Space, Elektrovej 28, 2800 Lyngby, Denmark
  • 6b.geos, Industriestrasse 1, 2100 Korneuburg, Austria
  • 7University of Maryland, 5825 University Research Court, 20740 College Park, MD, USA
  • 8CTOH/LEGOS/CNRS, 14 avenue Edouard Belin, 31400 Toulouse, France
  • 9CESBIO, CNRS, 18 avenue Edouard Belin, 31401 Toulouse, France
  • 10CNES, 18 avenue Edouard Belin, 31400 Toulouse, France
  • 11Alfred-Wegner-Institute Helmholtz Centre for Polar and Marine Research, Am Alten Hafen 26, 2758 Bremerhaven, Germany
  • 12Finnish Meteorological Institute, PO Box 503, 00101 Helsinki, Finland
  • 13Sheperd Space Ltd., 110 West End Avenue, HG2 9BT Harrogate, United Kingdom
  • 14Utrecht University, Princetonplein 5, 3584 CC Utrecht, The Netherlands
  • 15University of Calgary, 2500 University Drive NW, Earth Sciences 356 Calgary, Alberta, Canada

Abstract. One of the candidate missions in the evolution of the Copernicus Space Component (CSC) is the Copernicus polaR Ice and Snow Topography ALtimeter (CRISTAL). The aim of this mission is to obtain high-resolution sea-ice thickness and land ice elevation measurements and includes the capability to determine the properties of snow cover on ice to serve Copernicus’ operational products and services of direct relevance to the Polar Regions. The evolution of the CSC is foreseen in the mid-2020s to meet priority user needs not addressed by the existing infrastructure, and to reinforce the Copernicus services by expanding the monitoring capability in the thematic domains of anthropogenic emissions (CO2), polar and agriculture/forestry/emergency. This evolution will be synergetic with the enhanced continuity of services foreseen with the next generation of the existing Copernicus Sentinels. New high-priority candidate satellite missions have been identified by the European Commission (EC) for implementation in the coming years to address gaps in current capability and emerging user needs. This paper describes the CRISTAL mission objectives, main mission requirements driving its design, the payload complement currently under development and its expected contributions to the monitoring of important components of Earth’s cryosphere.

Michael Kern et al.

Michael Kern et al.

Michael Kern et al.

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Short summary
The Copernicus polaR Ice and Snow Topography ALtimeter will provide high-resolution sea-ice thickness and land ice elevation measurements and the capability to determine the properties of snow cover on ice to serve operational products and services of direct relevance to the Polar Regions. This paper describes the mission objectives, main mission requirements driving its design, and the payload complement currently under development and its expected contributions to monitor Earth’s cryosphere.
The Copernicus polaR Ice and Snow Topography ALtimeter will provide high-resolution sea-ice...
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