Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 400950
Title Deriving sun-induced chlorophyll fluorescence from airborne based spectrometer data
Author(s) Damm, A.; Schickling, A.; Schlapfer, D.; Schaepman, M.E.; Rascher, U.
Source In: Proceedings Hyperspectral 2010 Workshop (SP-683), 17-19 March 2010, Frascati, Italy. - Frascati, Italy : ESA - p. 7 - 7.
Event Frascati, Italy : ESA Hyperspectral 2010 Workshop, 2010-03-17/2010-03-19
Department(s) Laboratory of Geo-information Science and Remote Sensing
PE&RC
Publication type Contribution in proceedings
Publication year 2010
Abstract Sun-induced chlorophyll fluorescence (Fs) is a promising parameter for remote measuring plant photosynthesis. It has been demonstrated that Fs at cell and leaf level is strongly related to photosynthesis. The transfer of the Fs approach to canopy level remains challenging as the canopy Fs signal is not fully understood yet. Several factors influence the Fs signal and need to be quantified. However, the absence of dedicated imaging spectrometers limits the experimental data for such investigations. We propose an experimental setup allowing spatio-temporal investigations of canopy Fs. A non-imaging spectrometer was installed in a low-flying aircraft. An agricultural area was continuously monitored including the extensive coverage of dedicated fields. Fs was retrieved from spectrometer data using the FLD (Fraunhofer Line Depth) method combined with simulated (MODTRAN-4) at-sensor radiances of a reference surface. We present the methodological framework to derive canopy chlorophyll fluorescence from airborne based non-imaging spectrometer measurements and a quality assessment of the data.
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