Exploring altitudinal resolution of Twilight airglow red lines using Twilight Photometer

Mane, Pratibha B.

doi:10.1002/essoar.10507199.1

Cited by 1 publication

(3 citation statements)

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“…At the same time, amplified current is converted into voltage. The more details about this modified instrument are enclosed elsewhere (Mane & Mane, 2021). The digital multimeter, 'RISH Multi', having an adapter can store the data automatically for every 10 s in the form of date (YYYY.MM.DD), time (HH:MM:SS) and intensity (in Volts).…”

Section: Instrumentation and Methodologymentioning

confidence: 99%

“…The research work presented in this paper is based on primary raw data obtained by the instrument Semiautomatic Twilight photometer. The raw data is enclosed by Mane (2021). [https://doi.org/10.5281/zenodo.5541367].…”

Section: Data Availability Statementmentioning

confidence: 99%

“…(ZHR: Zenith Hourly Rate, the average maximum number of shower meteors visible per hour if the radiant is located exactly overhead). (More details regarding meteor activities are enclosed elsewhere (Mane & Mane, 2021)). Gu et al (1995) obtained sodium density profile with airborne Na LIDAR with peak density at 94 km with Full-Width Half-Maximum (FWHM) of 0.6 km.…”

Section: Metallic Emission (Sodium and Lithium Emission)mentioning

confidence: 99%

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Exploring Altitudinal Resolution of Twilight Airglow Red Lines Using Twilight Photometer

Mane

2022

Earth and Space Science

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Twilight Photometer observations were carried out at low latitude station Kolhapur (16039’42.2”N, 74014’20.8”E) India, during the period 1 January 2009 to 31 December 2011 to yield a reasonable qualitative picture of the day‐to‐day variability of the vertical distribution of the atmospheric aerosols from about 6 km to a maximum of 350 km. In this study, one attempt was made to observe twilight airglow red lines having wavelengths in between 6100 Å and 7100 Å using the vertical profiles of aerosols. The rate of change of red light due to the twilight airglow shows narrow peaks with ∼600%–1000% rise in intensity than due to aerosol twilight glow. Our observations provides information about ionized Nitrogen (N2) emissions at 6482.05 Å, 6610.56 Å and 6482.70 Å, oxygen red emission lines of 6300 Å and 6364 Å, emission caused by formation of a molecule of nitric oxide (NO), metallic emissions of sodium four red lines between 6500 and 6700 Angstroms and lithium near 6708 Å, hydroxyl (OH) emission at 6329 Å and red sprites emissions (at altitudes 50–90 km). The principal aspiration of this study is to highlight the conspicuous capability of Semiautomatic twilight photometer to study the twilight airglow emission lines. This is the first attempt in India to obtain the twilight airglow data using Twilight photometer. Twilight Photometer, although currently seldom used, is still a very effective and the most appropriate ground based passive remote sensing tool for long‐term monitoring of different atmospheric components in a wide range of altitude for day‐to‐day basis. It is an efficient system having a simple and inexpensive underlying principle of operations, yet exhibits extremely accurate and precise usage and can be operated by even a person of average skill. However, it can be seen that the resultant data was consistent with nearest peer technologies, such as LIDARs, Balloon‐Borne instruments, rocket measurements, satellite observations etc.

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Section: Instrumentation and Methodologymentioning

confidence: 99%

Section: Data Availability Statementmentioning

confidence: 99%