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Remote Sensing vegetation status by Laser-induced Fluorescence

Günther, K.P. and Dahn, H.-G. and Lüdeker, W. (1994) Remote Sensing vegetation status by Laser-induced Fluorescence. Zeitschrift "Remote Sensing of Environment", 47., pp. 10-17. Elsevier Science Inc., New York, NY 10010, USA.

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Abstract

In November 1989 the EUREKA project LASFLEUR (EU 380) started as an European research effort to investigate the future application of far-field laser-induced plant fluorescence for synoptic, airborne environmental monitoring of vegetation. This report includes a brief introduction in a theoretically approach for the laser-induced fluorescence signals of leaves and their spectral and radiometric behaviour. In addition, a detailed description of the design and realization of the second generation of the far-field fluorescence lidar (DLidaR-2) is given with special regard to the optical and electronical setup, followed by a short explanation of the data processing.The main objectives of the far-field measurements are to demonstrate the link between laser-induced fluorescence data and plant physiology and to show the reliability of remote single shot lidar measurements. The data sets include the typical daily cycles of the fluorescence for different global irradiation. As expected from biophysical models, the remotely sensed chlorophyll fluorescence is highly correlated with the carbon fixation rate, while the fluorescence ratio F685/F730 is only dependent on the chlorophyll concentration. Drought stress measurement of evergreen oaks Quercus pubescens confirm the findings of healthy plants with regard to the fluorescence ratio F685/F730 while the fluorescence signals of stressed plants show a different behaviour than nonstressed plants. Additionally, the corresponding physiological data (porometer and PAM data) are presented.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1995,
Title:Remote Sensing vegetation status by Laser-induced Fluorescence
Authors:
AuthorsInstitution or Email of Authors
Günther, K.P.UNSPECIFIED
Dahn, H.-G.UNSPECIFIED
Lüdeker, W.UNSPECIFIED
Date:1994
Journal or Publication Title:Zeitschrift "Remote Sensing of Environment"
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:47.
Page Range:pp. 10-17
Publisher:Elsevier Science Inc., New York, NY 10010, USA
Status:Published
Keywords:Laser-induced fluorescence, lidar, plant physiology
HGF - Research field:UNSPECIFIED
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:UNSPECIFIED
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Institut für Optoelektronik
Deposited By: elib DLR-Beauftragter
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 09:42

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