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

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 determ...

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Bibliographic Details
Main Authors: Kern, Michael, Cullen, Robert, Berruti, Bruno, Bouffard, Jerome, Casal, Tania, Drinkwater, Mark R., Gabriele, Antonio, Lecuyot, Arnaud, Ludwig, Michael, Midthassel, Rolv, Navas Traver, Ignacio, Parrinello, Tommaso, Ressler, Gerhard, Andersson, Eric, Martin Puig, Cristina, Andersen, Ole, Bartsch, Annett, Farrell, Sinead L., Fleury, Sara, Gascoin, Simon, Guillot, Amandine, Humbert, Angelika, Rinne, Eero, Shepherd, Andrew, Broeke, Michiel R., Yackel, John
Format: Text
Language:English
Published: 2020
Subjects:
Sea ice
Online Access:https://doi.org/10.5194/tc-2020-3
https://www.the-cryosphere-discuss.net/tc-2020-3/
Description
Summary: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 (CO 2 ), 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.

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