Optical and Microphysical Properties of Atmospheric Aerosol and Suspension in Water Media. Elemental and ionic composition of impurities in the surface layer. Transport and Transformation of Aerosol and Gas Components in the Atmosphere. Laser and Acoustic Sounding of the Atmosphere and Ocean. Diagnostics of State and Functioning of Plants' Biosystems and Biological Objects. Optical-electronic complexes for problems of optics and atmospheric physics. Monitoring of water bodies according to remote sensing data. Active shooting systems for studying the atmosphere and the ocean.