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Atmospheric and Oceanic Optics

2013 year, number 7

Lidar measurements of air density in the middle atmosphere. Part 1. Modeling of the potential capabilities in the visible spectral range

V.N. Marichev1,2, D.A. Bochkovsky1
1V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
marichev@iao.ru
2National Research Tomsk State University, 36, Lenin Avenue, Tomsk, 634050,Russia
Keywords: air density, middle atmosphere, lidar

Abstract

In the present paper, the potential capabilities of lidar measurements of the atmospheric density in the middle atmosphere are analyzed. Calculations are performed for a lidar with quite moderate specifications: transmitter comprising a solid Nd:YAG-laser with a wavelength of 532 nm, pulse energy of 0.8 J, and repetition frequency of 20 Hz; and receiving system comprising primary mirrors with radii of 0.3 and 0.5 m, field-of-view angles of 0.1 and 1 mrad, and spectral widths of the filter of 0.5, 1, and 10 nm. The signal acquisition time is 10 min for spatial resolution of 1 km. Three sensing options are analyzed: from the ground level, from an aircraft (at 10-km flight altitude), and from an ISS with orbit altitude of 414 km.