Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Arun Kumar Upadhayaya"'
Autor:
Nitesh Kumar Devrani, Puja Goel, Arun Kumar Upadhayaya, Qadeer Ahmed, Anshul Singh, Ankit Gupta, Arti Bhardwaj, Potula Sree Brahmanandam
Publikováno v:
Proceedings on Engineering Sciences, Vol 6, Iss 4, Pp 1805-1812 (2024)
We have examined the ionospheric response to a magnitude 6.6 earthquake that occurred in the Hindu Kush region of Afghanistan on March 21, 2023. This seismic event impacted the ionosphere in the Indian region. Our analysis utilized critical parameter
Externí odkaz:
https://doaj.org/article/a0b8784f3f29427599dd931169c6f145
Autor:
Qadeer Ahmed, Anshul Singh, N. Praneetha, Ankit Gupta, Arti Bhardwaj, Puja Goel, Arun Kumar Upadhayaya
Publikováno v:
Proceedings on Engineering Sciences, Vol 6, Iss 4, Pp 1857-1864 (2024)
We analyzed the impact of minor Arctic sudden stratospheric warming (SSW) event of 2017 on the ionospheric F2 region, using Digisonde data from a low-mid latitude Indian station, Delhi (28.6°N, 77.2°E, 19.2°N geomagnetic latitude, 42.4°N dip). Ou
Externí odkaz:
https://doaj.org/article/3281dd61df6240dab8557bcf0fedd7d1
Publikováno v:
Journal of Geophysical Research: Space Physics. 126
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b75bb13486e9b02d1d93f9075f3a41ca
https://doi.org/10.1029/2021ja029206
https://doi.org/10.1029/2021ja029206
Autor:
Sumedha Gupta, Arun Kumar Upadhayaya
Publikováno v:
Journal of Geophysical Research: Space Physics. 124:2135-2151
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d314123d176f312842273ed0746e105
https://doi.org/10.1029/2018ja026162
https://doi.org/10.1029/2018ja026162
With low solar activity and unusual progression, Solar Cycle 24 lasted from December 2008 to December 2019 and is considered to be the weakest cycle in the last 100 years. During such quiet solar background conditions, the wave forcing from lower atm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b1160398b9cf37ca213a7699178f9f4
https://doi.org/10.5194/egusphere-egu21-3773
https://doi.org/10.5194/egusphere-egu21-3773
Autor:
Sumedha Gupta, Arun Kumar Upadhayaya
Publikováno v:
Journal of Geophysical Research: Space Physics. 123:8698-8713
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0af7780c99685ca2dd87ee558b5d3e83
https://doi.org/10.1029/2018ja025715
https://doi.org/10.1029/2018ja025715
Autor:
Sumedha Gupta, Arun Kumar Upadhayaya
Publikováno v:
Journal of Geophysical Research: Space Physics. 122:8694-8719
We have analyzed five major earthquake events measuring greater than 6 on Richter scale (M > 6) that occurred during the year 2015 to early 2016, affecting Indian region ionosphere, using F-2 layer critical parameters (f(o)F(2), h(m)F(2)) obtained us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::431a604387e2381a90a91829319e11a6
https://doi.org/10.1002/2017ja024192
https://doi.org/10.1002/2017ja024192
Autor:
Sumedha Gupta, Arun Kumar Upadhayaya
Publikováno v:
Journal of Geophysical Research: Space Physics. 122:7798-7826
The effect of Sudden Stratospheric Warming (SSW) on the F2 region ionosphere has been extensively analyzed for the major event of year 2009, apart from a few reports on other major and minor events. Morphology of ionospheric responses during SSW can
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52846360b070ad984e89727480bd2722
https://doi.org/10.1002/2017ja024059
https://doi.org/10.1002/2017ja024059
Publikováno v:
Journal of Geophysical Research: Space Physics. 121:2595-2620
The morphology of ionospheric storms has been investigated across equatorial and low latitudes of Indian region. The deviation in F-2 region characteristic parameters (f(o)F(2) and hF) along with modeled green line dayglow emission intensities is exa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45d65cb3c7514f23ffdda2bebc9c9879
https://doi.org/10.1002/2015ja021366
https://doi.org/10.1002/2015ja021366