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Atmospheric and Oceanic Optics

2018 year, number 4

Sea fish school detection by the method of polarization laser sensing

V.S. Shamanaev
V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
Keywords: самолетный лидар, поляризация, оптика океана, биопродуктивность, дистанционное зондирование, airborne lidar, polarization, ocean optics, bioproductivity, remote sensing

Abstract

Main regularities of the formation of lidar returns in sensing of water depth comprising pelagic fish schools are determined by the Monte Carlo method. Based on the analysis of the results of statistical simulation of depth profiles of lidar signal power and depolarization, a method of polarization laser sensing for sea fish school detection is suggested using the depth profiles of lidar return signal power and depolarization and the natural threshold - the sea water extinction coefficient measured with the lidar.