Vardhan, A. Vishnu and Harsha, P. Babu Sree and Ratnam, D. Venkata and Upadhayaya, A. K. (2020) Low latitude ionospheric response to March 2015 geomagnetic storm using multi-instrument TEC observations over India. Astrophysics and Space Science, 365 (12). pp. 187-199. ISSN 0004-640X

Sivakandan, M. and Mondal, S. and Sarkhel, S. and Chakrabarty, D. and Krishna, M. V. Sunil and Chaitanya, P. Pavan and Patra, A. K. and Choudhary, R. K. and Pant, T. K. and Upadhayaya, A. K. and Sori, Takuya (2020) Mid-Latitude Spread-F Structures Over the Geomagnetic Low-Mid Latitude Transition Region: An Observational Evidence. Journal of Geophysical Research: Space Physics, 125 (5). 027531-027543. ISSN 2169-9380

Gupta, Sumedha and Upadhayaya, A. K. (2019) Morphology of Martian Low-Altitude Ionospheric Layer: MGS Observations. Journal of Geophysical Research: Space Physics, 124 (3). 2135-2151. ISSN 2169-9380

Upadhayaya, A. K. and Gupta, Sumedha (2018) Longitudinal Characteristics of Martian Electron Density Profiles: MGS Observations. Journal of Geophysical Research: Space Physics, 123 (10). pp. 8698-8713. ISSN 2169-9380

Gupta, Sumedha and Upadhayaya, A. K. (2017) Preearthquake anomalous ionospheric signatures observed at low-mid latitude Indian station, Delhi, during the year 2015 to early 2016: Preliminary results. Journal of Geophysical Research: Space Physics, 122. pp. 8694-8719. ISSN 2169-9380

Gupta, , Sumedha and Upadhayaya, A. K. (2017) Morphology of ionospheric F2 region variability associated with sudden stratospheric warmings. Journal of Geophysical Research: Space Physics, 122 (7). pp. 7798-7826. ISSN 2169-9402

Upadhayaya, A. K. and Gupta, Sumedha and Brahmanandam, P. S. (2016) F-2 region response to geomagnetic disturbances across Indian latitudes: O(S-1) dayglow emission. Journal of Geophysical Research: Space Physics, 121 (3). 2595 -2620. ISSN 2169-9402

Upadhayaya, A. K. and Mahajan, K. K. (2013) Ionospheric F-2 region: Variability and sudden stratospheric warmings. Journal of Geophysical Research: Space Physics, 118 (10). pp. 6736-6750. ISSN 2169-9380

Yadav, Sneha and Dabas, R. S. and Das, Rupesh M. and Upadhayaya, A. K. and Gwal, A. K. (2013) Temporal and spatial variation of equatorial ionization anomaly by using multistation ionosonde data for the 19th solar cycle over the Indian region. Advances in Space Research, 51. pp. 1253-1265. ISSN 0273-1177

Yadav, Sneha and Upadhayaya, A. K. and Das, Rupesh M. (2012) Daytime additional F layer stratification over low-midlatitude station of the Indian sector under geomagnetic disturbed conditions. Journal of Geophysical Research Atmospheres, 117. A0632-A0645. ISSN 0148-0227

Yadav, Sneha and Dabas, R. S. and Das, Rupesh M. and Upadhayaya, A. K. and Sarkar, S. K. and Gwal, A. K. (2010) Variation of F-region critical frequency (foF2) over equatorial and low-latitude region of the Indian zone during 19th and 20th solar cycle. Advances in Space Research, 47 (1). pp. 124-137. ISSN 0273-1177

Singh, Vir and Upadhayaya, A. K. and M. V., Sunil Krishna (2010) Modeling of redline dayglow emission. IDOJARAS, 114 (3). pp. 217-227. ISSN 0324-6329

Yadav, Sneha and Dabas, R. S. and Das, Rupesh M. and Upadhayaya, A. K. and Sharma, Kavita and Gwal, A. K. (2009) Diurnal and seasonal variation of F2-layer ionospheric parameters at equatorial ionization anomaly crest region and their comparison with IRI-2001. Advances in Space Research, 45 (3). pp. 361-367. ISSN 0273-1177

Sethi, N. K. and Dabas, R. S. and Upadhayaya, A. K. (2008) Midday bottomside electron density profiles during moderate solar activity and comparison with IRI-2001. Advances in Space Research, 43 (6). pp. 973-983. ISSN 0273-1177