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|Title:||Monitoring the Photosynthetic Activity of Vegetation from Remote Sensing Data|
|Authors:||GOBRON NADINE; PINTY BERNARD; TABERNER MALCOLM; MELIN FREDERIC; VERSTRAETE MICHEL; WIDLOWSKI JEAN-LUC|
|Citation:||ADVANCES IN SPACE RESEARCH vol. 38 p. 2196-2202|
|Publisher:||ELSEVIER SCI LTD|
|Type:||Articles in Journals|
|Abstract:||The state of terrestrial vegetation has been monitored using remote sensing data for decades. Information was often derived from empirical tools, like vegetation indices, which are very sensitive to perturbations and often depend on the spectral properties of the sensor. Advances in the understanding of radiation transfer and the availability of higher performance instruments have stimulated the development of a new generation of geophysical products poised to provide reliable, accurate information on the state and evolution of terrestrial environments. A series of optimized algorithms have been developed for documenting biophysical activities, using a physically based approach (specifically, to estimate Fraction of Absorbed Photosynthetically Active Radiation (FAPAR)) for various instruments. The outline of the methodology will be summarized and the results from an application conducted with SeaWiFS data will be presented.|
|JRC Institute:||Institute for Environment and Sustainability|
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