Concepedia

A. K. Upadhayaya

AK

17

Publications

316

Citations

13

H-Index

2002

Active since

Affiliations

CSIR National Physical Laboratory of India(Current)

Indian Institute of Technology Roorkee

Council of Scientific and Industrial Research

Physical Research Laboratory

Barkatullah University

A. K. Upadhayaya is an author at CSIR National Physical Laboratory of India specializing in space weather, engineering, and geophysics.

ORCID

Top concepts

Publications per year

2002–2024

17

Publications

17

Observations of X‐ray and EUV fluxes during X‐class solar flares and response of upper ionosphere

K. K. Mahajan, Neelesh K. Lodhi, A. K. Upadhayaya · Journal of Geophysical Research Atmospheres · 2010 · 44 citations · Full text

, , +17

Ionospheric <i>F</i><sub>2</sub> region: Variability and sudden stratospheric warmings

A. K. Upadhayaya, K. K. Mahajan · Journal of Geophysical Research Space Physics · 2013 · 31 citations

, , +13

Diurnal and seasonal variation of F2-layer ionospheric parameters at equatorial ionization anomaly crest region and their comparison with IRI-2001

Sneha Yadav, R. S. Dabas, Rupesh M. Das et al. · Advances in Space Research · 2009 · 30 citations

, , +7

Impact of two severe geomagnetic storms on the ionosphere over Indian longitude sector during March-April 2023

Siva Sai Kumar Rajana, Sampad Kumar Panda, Sridevi Jade et al. · Astrophysics and Space Science · 2024 · 28 citations

, , +11

Mid‐Latitude Spread‐F Structures Over the Geomagnetic Low‐Mid Latitude Transition Region: An Observational Evidence

Mani Sivakandan, Subarna Mondal, Sumanta Sarkhel et al. · Journal of Geophysical Research Space Physics · 2020 · 21 citations

, , +17

Rows per page

1–5 of 17