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Intensity variation of OH Meinel Bands in the Nightglow

Jahangir Payamara

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Abstract

OH nightglow measurements from Firuzkuh mountain (5 2 °34 ′, 45 °34 ′) at height of 3000m( 30 km away from Tehran), were carried out fo r studying the mesosphere emission and its behavior, and the results obtained are reported. From OH (9,3) band , the intensities of entire OH Meinel band system (0. 384 μ-4.47 μ) has been evaluated. On the basis of ozone-hydrogen mechanism leading to the emission of OH Meinel bands in the nightglow, the estimated total OH band intensities are utilized to calculate ozone concentration prevailing at nig ht time over Mt. Firuzkuh .

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What this paper is about

OH nightglow measurements from Firuzkuh mountain (5 2 °34 ′, 45 °34 ′) at height of 3000m( 30 km away from Tehran), were carried out fo r studying the mesosphere emission and its behavior, and the results obtained are reported. From OH (9,3) band , the intensities of entire OH Meinel band system (0. 384 μ-4.47 μ) has been evaluated. On the basis of ozone-hydrogen mechanism leading to the emission of OH Meinel bands in the nightglow, the estimated total OH band intensities are utilized to calculate ozone concentration prevailing at nig ht time over Mt. Firuzkuh .

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Available abstract

OH nightglow measurements from Firuzkuh mountain (5 2 °34 ′, 45 °34 ′) at height of 3000m( 30 km away from Tehran), were carried out fo r studying the mesosphere emission and its behavior, and the results obtained are reported. From OH (9,3) band , the intensities of entire OH Meinel band system (0. 384 μ-4.47 μ) has been evaluated. On the basis of ozone-hydrogen mechanism leading to the emission of OH Meinel bands in the nightglow, the estimated total OH band intensities are utilized to calculate ozone concentration prevailing at nig ht time over Mt. Firuzkuh .

Key concepts: Airglow, Mesosphere, Atmospheric sciences, Intensity (physics), Emission intensity, Ozone, Environmental science, Physics

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