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Remote Sensing Input for regional to global CO2 flux modelling

Wolfgang Knorr(1), Thomas Kaminski(2), Marko Scholze(1), Nadine Gobron(3), Bernard Pinty(3) and Ralf Giering(2)

(1) University of Bristol, Wills Memorial Building, BS8 1RJ Bristol, United Kingdom
(2) FastOpt, Schanzenstr. 36, 20357, Germany
(3) JRC, via E. Fermi, 1, 21020 Ispra, Italy


The current and future strength of the terrestrial carbon sink has a crucial influence on the expected degree of climate warming earth is going to face. Usually, Earth Observation (EO) by its very nature focusses on diagnosing the current state of the planet. However, it is possible to use EO products in data assimilation systems to improve not only the diagnostics of the current state, but also the accuracy of future predictions.

This contribution reports from an on-going ESA funded study in which the MERIS FAPAR product is assimilated into a terrestrial biosphere model within the global Carbon Cycle Data Assimilation System (see Results are presented from a range of selected sites spanning the major biomes of the globe, and show how the inclusion of MERIS products results in improved accuracy of the regional carbon flux estimates. They also show the uncertainty in the predicted carbon sink of those regions for selected climate scenarios until 2039. It concludes with a conceptual outlook for the inclusion of land surface temperatures from AATSR to improve estimates of in particular the effects of drought on carbon uptake and water status of land vegetation.


Workshop presentation

Keywords: ESA European Space Agency - Agence spatiale europeenne, observation de la terre, earth observation, satellite remote sensing, teledetection, geophysique, altimetrie, radar, chimique atmospherique, geophysics, altimetry, radar, atmospheric chemistry