Final Report 10 YEARS OF SMOS – PASSIVE MICROWAVE VEGETATION OPACITY STUDY (PM-VO-S) OSMOSE
Résumé
This technical note is the final report of the 10 YEARS OF SMOS – PASSIVE MICROWAVE VEGETATION OPACITY STUDY (PM-VO-S), which the consortium (CESBIO, Magellium, INRAE, WSL, GlobEO) carried out from June 2022 to September 2024, in the context of the ESA contract No. 4000137990/22/NL/IA. Thisfinal report describes the context and the activities done during these two years.The first sections give the context of the project (Chapter 2 and Chapter 3). Chapter 4 then introduces an innovative model to describe better two essential microwave parameters representing the impact of vegetation that are τ and ω. Chapter 5 describes the method to derive the multi-frequency VOD, and an evaluation of the VOD. Chapter 6 details the Above Ground Biomass estimates obtained from the VOD. It also provides a validation of the derived AGB with in situ data. Chapter 7 starts the optical part, by giving the context and state of the art of the vegetation indices derived from optical data. Chapter 7 then describes a method of a new dataset which estimates the water content of the leaves components of the vegetation. Chapter 8 details the datacube 2 and the methodology to produce homogenized datasets. The analysis and the complementarity of all the indices to study the vegetation are analysed in Chapter 9. Chapter 12 concludes the project,and we lastly provide details of the project in terms of deliverables and meeting Chapter 10, outreach and communication Chapter 11.
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