Application of laser induced fluorescence lidar for remote sensing of vegetation

Olga V. Kharchenko

doi:10.1117/12.675875

21 April 2006 Application of laser induced fluorescence lidar for remote sensing of vegetation

Olga V. Kharchenko

Proceedings Volume 6160, Twelfth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics; 61602C (2006) https://doi.org/10.1117/12.675875
Event: Twelfth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 2005, Tomsk, Russian Federation

Abstract

The possibilities of applying a fluorescent lidar based on the second harmonic of Nd:YAG laser to study vegetation under natural conditions are analyzed. The dynamics of development has been studied for several species of arboreous plants grown in Western Siberia in a five-year measurement cycle. The fluorescent lidar developed has been used for identification of plant species and for investigation of fading processes caused by adverse environment. It is shown that the fluorescent signal can be used for remote detection of plant stresses at earlier stages, when there are no visible symptoms. For the first time the quantitative relations are established between the intensity of red nanosecond fluorescence and the chlorophyll concentration in needles and leaves of the most typical representatives of West- Siberian arboreous plants. Fluorescent data were checked using the traditional spectrophoton-ietric method. The spectrophotometric data and lidar measurements were used to calibrate the lidar. and this calibration has allowed the chlorophyll concentration in arboreous plants to be determined from the ratio of signals of laser-induced fluorescence.

Citation Download Citation

Olga V. Kharchenko "Application of laser induced fluorescence lidar for remote sensing of vegetation", Proc. SPIE 6160, Twelfth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 61602C (21 April 2006); https://doi.org/10.1117/12.675875

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KEYWORDS

LIDAR

Luminescence

Laser induced fluorescence

Calibration

Vegetation

Remote sensing

Atmospheric optics

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