Иркутск, Россия
Иркутск, Россия
Иркутск, Россия
Иркутск, Россия
Институт физики атмосферы им. А.М. Обухова РАН
Иркутск, Россия
Иркутск, Россия
Иркутск, Россия
УДК 55 Геология. Геологические и геофизические науки
УДК 68 Различные отрасли промышленности и ремесла
We describe the Fabry—Perot interferometer designed to study Earth’s upper atmosphere. We propose a modification of the existing data processing method for determining the Doppler shift and Doppler widening and also for separating the observed line intensity and the background intensity. The temperature and wind velocity derived from these parameters are compared with physical characteristics obtained from modeling (NRLMSISE-00, HWM14). We demonstrate that the temperature is determined from the oxygen 630 nm line irrespective of the hydroxyl signal existing in interference patterns. We show that the interferometer can obtain temperature from the oxygen 557.7 nm line in case of additional calibration of the device. The ob-served wind velocity mainly agrees with model data. Night variations in the red and green oxygen lines quite well coincide with those in intensities obtained by devices installed nearby the interferometer.
Fabry-Perot interferometry, airglow, upper atmosphere wind, upper atmosphere temperature
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