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Innovative optical tools for proximal sensing of ecophysiological processes

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Innovative optical tools for proximal sensing of ecophysiological processes
25.04.2014 - 25.04.2018
ABSTRACT

Important European and international initiatives (SPECNET, BIOSPEC and COST Action ES0903) explored the use of proximal optical sensing of ecosystems where carbon and water vapor flux are estimated by eddy covariance techniques. Such optical observations provide data at the high spectral, temporal and spatial resolutions, necessary to more deeply comprehend the links between light use, plant physiology and ecosystem functioning, as well as to provide key validation datasets for satellite remote sensing missions, such as Sentinel and the proposed FLuorescence EXplorer (FLEX) candidate missions.

The recent advances in UAV platforms and optical sensors provide unprecedented opportunities for high spatial, spectral and multi-angular near-ground Earth observations. This will enable scientists to answer ecological and physiological questions at multiple scales through integrated empirical and modeling methods. Important progress is also being made in remote sensing of steady-state fluorescence, the most direct proxy for photosynthesis. The FLEX candidate mission, selected for further studies, will also benefit, as this Action will support FLEX validation and calibrations campaigns. Furthermore, scientists have recognized the need to develop a 'smart' on-line platform to process and analyze optical data along with biophysical and water/carbon flux measurements and share these with other scientific communities and stakeholders.

 

Contact person: Enrico Tomelleri


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