Lidar returns from the upper atmosphere of Kamchatka according to observations in 2008

Бычков, В. В.; Nepomnyashchii, Yu. A.; Perezhogin, Andrey; Шевцов, Б. М.; Полех, Н. М.

doi:10.1134/s1024856014040058

Cited by 4 publications

(3 citation statements)

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“…Further studies have shown that the increase in the lidar signal from the heights of the upper atmosphere is explained by resonance scattering on excited atomic nitrogen atoms caused by super thermal electron precipitation (0.1-10 keV) into the ionosphere [1][2][3]. Fig.…”

Section: Measurement Methods and Signal Processingmentioning

confidence: 96%

“…The results of the papers [1][2][3] allow us to suggest the mechanism of formation of additional lidar signals in the mesosphere. Changes of f min are associated with the change of free electron content in the upper layers of ionospheric D region.…”

Section: Conclusion For Mesospheric Observationsmentioning

confidence: 97%

“…Resonance behavior of a backscattering signal was discovered in the region of 100-400 km. The backscattering signal in the region of 150-300 km was investigated in the papers [1][2][3]. According to the data of ionosphere and lidar observations at the wavelength of 532 nm it was shown that during soft (0.1-10 keV) electron precipitations into the atmosphere, the total lidar signal from the region of heights of 100-400 km may correlate with plasma content in the region of maximum of nighttime ionosphere F2 layer.…”

Section: Introductionmentioning

confidence: 99%

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Role of excited atoms in Lidar measurements of the middle and upper atmosphere

2017

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Abstract. The paper presents the results of a lidar study of the atmosphere in the altitude region of 25-400 km, obtained at the lidar station of Kamchatka in 2008-2016. The development of methods for lidar measurements and signal processing is discussed. The method that takes into account the aftereffects of photoelectric multipliers and the technique to measure the background signal is described. These tools allow the authors to include the mesosphere and the upper atmosphere into the altitude region investigated by the lidar method. The results of the investigation of the backscattering lidar signal from the altitude region of 100-400 km caused by the resonance scattering on exited components of upper atmosphere are discussed.

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Section: Measurement Methods and Signal Processingmentioning

confidence: 96%

Section: Conclusion For Mesospheric Observationsmentioning

confidence: 97%