Doctor of Technical Sciences, Professor, Head Department,

Research Institute of Aerospace Informatics, National Aerospace Agency,

S.S. Ahundova St., 1, AZ 1106 Baku, Azerbaijan,

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Ph. D. Candidate, Senior Researcher, Institute of Ecology, National Aerospace Agency,

S.S. Ahundova St., 1, AZ 1106 Baku, Azerbaijan,

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Abstract. It is well-known that emission of methanol and dimethilsulfide (DMS) from surface of ocean depends on quantity of photosynthetic active radiation (PAR) and some biological parameters. Therefore PAR and biological factors should be used upon estimation of effect of oceans on balance of volatile organic compaunds in atmosphere. The major factors impacting on emission of osoprene to atmosphere os wind speed and intensity of photosyntheticaly active light. In the article the questions on optimum choice of some external effecting factors are considered upon which the minimization of total emission of isoprene to atmosphere taking into account accepted model interrelations would be possible. Some models of emission of isoprene to atmosphere possessing the extremum feature that is the minimum of integral value of emitted isoprene in some interval of quantity of photo synthetically active optical radiation of the Sun upon keeping the revealed optimum functions of interrelations between intensity of optical radiation and wind speed are suggested. The significant non- coincidence of these functions for both the considered models of isoprene emission from ocean water to atmosphere upon some limitation condition applied for searched for optimum function is revealed. Such difference in revealed optimum emission regimes stressed out necessity for further modification of mathematical models of VOC emitted from oceanic surface.

Key words: optimization, emission, ocean waters, isoprene, correlation , atmosphere.