GNSS-Reflected Signals For Permafrost Monitoring

Monitoring freeze/thaw variations of the Earth surfaces is of great value for the study of biogeochemical processes and climate changes. Over the last decade, the use of passive sensors has been established and, more recently, some researches demonstrated the potential of exploiting observations bas...

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Bibliographic Details
Published in:2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS
Main Authors: Rautiainen K., Comite D., Cohen J., Unwin M., Pierdicca N.
Other Authors: Rautiainen, K., Comite, D., Cohen, J., Unwin, M., Pierdicca, N.
Format: Conference Object
Language:English
Published: Institute of Electrical and Electronics Engineers Inc. 2021
Subjects:
bistatic radar
Freeze-Thaw proce
GNSS reflectometry
Permafrost
SMOS data
TechDemoSat-1 mission
permafrost
Online Access:https://hdl.handle.net/11573/1654885
https://doi.org/10.1109/IGARSS47720.2021.9554621
Description
Summary:Monitoring freeze/thaw variations of the Earth surfaces is of great value for the study of biogeochemical processes and climate changes. Over the last decade, the use of passive sensors has been established and, more recently, some researches demonstrated the potential of exploiting observations based on signals of opportunity. We propose an advanced study to assess the capability of spaceborne Global Navigation Satellite System Reflectometry (GNSS-R) to give systematic information about the soil freeze/thaw state of high-latitude regions. To this aim, reflectivity values derived from TechDemoSat-1 (TDS-1) data are elaborated using state-of-art land cover data.

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