GNSS Transpolar Earth Reflectometry exploriNg System (G-TERN): Mission Concept

The global navigation satellite system (GNSS) Transpolar Earth Reflectometry exploriNg system (G-TERN) was proposed in response to ESA's Earth Explorer 9 revised call by a team of 33 multi-disciplinary scientists. The primary objective of the mission is to quantify at high spatio-temporal resol...

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Bibliographic Details
Published in:IEEE access 2018-01, Vol.6, p.13980-14018
Main Authors: Cardellach, Estel, Wickert, Jens, Baggen, Rens, Benito, Javier, Camps, Adriano, Catarino, Nuno, Chapron, Bertrand, Dielacher, Andreas, Fabra, Fran, Flato, Greg, Fragner, Heinrich, Gabarro, Carolina, Gommenginger, Christine, Haas, Christian, Healy, Sean, Hernandez-Pajares, Manuel, Hoeg, Per, Jaggi, Adrian, Kainulainen, Juha, Khan, Shfaqat Abbas, Lemke, Norbert M. K., Li, Weiqiang, Nghiem, Son V., Pierdicca, Nazzareno, Portabella, Marcos, Rautiainen, Kimmo, Rius, Antonio, Sasgen, Ingo, Semmling, Maximilian, Shum, C. K., Soulat, Francois, Steiner, Andrea K., Tailhades, Sebastien, Thomas, Maik, Vilaseca, Roger, Zuffada, Cinzia
Format: Article
Language:English
Subjects:
Altimetry
Arctic
Atmospheric circulation
Climate change
Couplings
Cryosphere
Earth
Enginyeria de la telecomunicació
Environmental impact
Global navigation satellite system
GNSS
GNSS-R
Ice cover
Low Earth Orbiter
Measurement techniques
Meteorology
Oceans
Polar orbits
Polar science
Polarimetry
Questions
Radio-occultation
Radiocomunicació i exploració electromagnètica
Reflectometry
Remote sensing
Satellite observation
Sciences of the Universe
Sea ice
Teledetecció
Temporal resolution
Àrees temàtiques de la UPC
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Summary:The global navigation satellite system (GNSS) Transpolar Earth Reflectometry exploriNg system (G-TERN) was proposed in response to ESA's Earth Explorer 9 revised call by a team of 33 multi-disciplinary scientists. The primary objective of the mission is to quantify at high spatio-temporal resolution crucial characteristics, processes and interactions between sea ice, and other Earth system components in order to advance the understanding and prediction of climate change and its impacts on the environment and society. The objective is articulated through three key questions. 1) In a rapidly changing Arctic regime and under the resilient Antarctic sea ice trend, how will highly dynamic forcings and couplings between the various components of the ocean, atmosphere, and cryosphere modify or influence the processes governing the characteristics of the sea ice cover (ice production, growth, deformation, and melt)? 2) What are the impacts of extreme events and feedback mechanisms on sea ice evolution? 3) What are the effects of the cryosphere behaviors, either rapidly changing or resiliently stable, on the global oceanic and atmospheric circulation and mid-latitude extreme events? To contribute answering these questions, G-TERN will measure key parameters of the sea ice, the oceans, and the atmosphere with frequent and dense coverage over polar areas, becoming a "dynamic mapper" of the ice conditions, the ice production, and the loss in multiple time and space scales, and surrounding environment. Over polar areas, the G-TERN will measure sea ice surface elevation (
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2018.2814072