Application of laser-induced fluorescence for remote sensing of vegetation

Gennadii G. Matvienko; Anatoly I. Grishin; Olga V. Kharchenko; Oleg A. Romanovskii

doi:10.1117/1.2202366

1 May 2006 Application of laser-induced fluorescence for remote sensing of vegetation

Gennadii G. Matvienko, Anatoly I. Grishin, Olga V. Kharchenko, Oleg A. Romanovskii

Author Affiliations +

Optical Engineering, Vol. 45, Issue 5, 056201 (May 2006). https://doi.org/10.1117/1.2202366

Abstract

The possibilities of applying a fluorescent lidar based on the second harmonic of a 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 West Siberia in a five-year measurement cycle. The fluorescent lidar developed has been used for identification of plant species and for investigation of fading caused by an 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 spectrophotometric 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.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Gennadii G. Matvienko, Anatoly I. Grishin, Olga V. Kharchenko, and Oleg A. Romanovskii "Application of laser-induced fluorescence for remote sensing of vegetation," Optical Engineering 45(5), 056201 (1 May 2006). https://doi.org/10.1117/1.2202366

Published: 1 May 2006

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