Changes in atmospheric parameters due to annular solar eclipse of June 21, 2020, over India

In the present study, various solar and atmospheric parameters, namely solar radiation, surface ozone, relative humidity, air temperature, and wind speed, have been studied first time for the annular solar eclipse of June 21, 2020, at seven Indian stations simultaneously. All the seven different sta...

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Bibliographic Details
Published in:Indian journal of physics 2022-05, Vol.96 (6), p.1613-1624
Main Authors: Patel, Kalpana, Singh, A K
Format: Article
Language:English
Subjects:
Air temperature
Astrophysics and Astroparticles
Atmospheric boundary layer
Boundary layer stability
Humidity
Occultation
Original Paper
Ozone
Parameters
Physics
Physics and Astronomy
Radiation
Relative humidity
Solar eclipses
Solar radiation
Wind speed
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Summary:In the present study, various solar and atmospheric parameters, namely solar radiation, surface ozone, relative humidity, air temperature, and wind speed, have been studied first time for the annular solar eclipse of June 21, 2020, at seven Indian stations simultaneously. All the seven different stations are selected along the solar eclipse path having the maximum eclipse magnitude of 92% and above. The various atmospheric parameters have shown the change in behavior during the solar eclipse duration. The incoming solar radiation has a maximum 95.97% decrease at Ludhiana at the time of maximum obscuration compared to the previous day. The surface ozone concentration has shown a decrease for all the seven stations during the maximum obscuration period. A maximum of 9.25% decrease in surface temperature has been observed nearly after 30 min of the time of maximum obscuration of the eclipse. Relative humidity started increasing at all the stations and showed an inverse trend from temperature. The wind speed was found to suppress during the maximum solar eclipse which may be attributed to stabilization of atmospheric boundary layer due to cooling.
ISSN:0973-1458
0974-9845
DOI:10.1007/s12648-021-02112-2