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Manju, G. ; Sridharan, R. ; Ravindran, Sudha ; Madhav Haridas, M. K. ; Pant, Tarun K. ; Sreelatha, P. ; Mohan Kumar, S. V. (2012) Rocket borne in-situ electron density and neutral wind measurements in the equatorial ionosphere—results from the January 2010 annular solar eclipse campaign from India Journal of Atmospheric and Solar-Terrestrial Physics, 86 . pp. 56-64. ISSN 1364-6826

Sridharan, R. ; Bagiya, Mala S. ; Sunda, Surendra (2012) A novel method based on GPS TEC to forecast L band scintillations over the equatorial region through a case study Journal of Atmospheric and Solar-Terrestrial Physics, 80 . pp. 230-238. ISSN 1364-6826

Rao, P. B. ; Beig, G. ; Dabas, R. S. ; Ramkumar, Geetha ; Gurubaran, S. ; Rao, Kusuma G. ; Manoharan, P. K. ; Patra, A. K. ; Ravindran, Sudha ; Pant, Tarun K. ; Venkat Ratnam, M. ; Chakravartyi, S. C. ; Sridharan, R. (2012) An overview of CAWSES - India program with emphasis to equatorial atmospheric coupling processes Journal of Atmospheric and Terrestrial Physics, 75-76 . pp. 98-114. ISSN 0021-9169

Manju, G. ; Sridharan, R. ; Sreelatha, P. ; Ravindran, Sudha ; Madhav Haridas, M. K. ; Pant, Tarun K. ; Pradeep Kumar, P. ; Satheesh Thampi, R. ; Naik, Neha ; Mridula, N. ; Jose, Lijo ; Sumod, S. G. (2012) A Novel probe for in-situ Electron density and Neutral Wind (ENWi) measurements in the near Earth space Journal of Atmospheric and Solar-Terrestrial Physics, 74 . pp. 81-86. ISSN 1364-6826

Rastogi, R. G. ; Chandra, H. ; Das, A. C. ; Sridharan, R. ; Reinisch, B. W. ; Ahmed, Khurshid (2012) Effects of a magnetic cloud simultaneously observed on the equatorial ionosphere in midday and midnight sectors Earth Planets and Space (EPS), 64 (4). pp. 353-360. ISSN 1343-8832

Sridharan, R. ; Das, Tirtha Pratim ; Ahmed, S. M. ; Supriya, Gogulapati ; Bhardwaj, Anil ; Kamalakar, J. A. (2012) Spatial heterogeneity in the radiogenic activity of the lunar interior: inferences from CHACE and LLRI on Chandrayaan-1 Advances in Space Research . ISSN 0273-1177

Vineeth, C. ; Pant, T. K. ; Sridharan, R. (2011) Daytime upper mesospheric energetics over a tropical station, Trivandrum (8.5°N, 77°E): an investigation using the multiwavelength dayglow photometry Journal of Geophysical Research, 116 (A1). A01304_1-A01304_9. ISSN 0148-0227

Bagiya, Mala S. ; Sridharan, R. (2011) Evolutionary phases of equatorial spread F including L band scintillations and plumes in the context of GPS total electron content variability: a case study Journal of Geophysical Research, 116 . A10304_1-A10304_12. ISSN 0148-0227

Bagiya, Mala S. ; Iyer, K. N. ; Joshi, H. P. ; Thampi, Smitha V. ; Tsugawa, Takuya ; Ravindran, Sudha ; Sridharan, R. ; Pathan, B. M. (2011) Low-latitude ionospheric-thermospheric response to storm time electrodynamical coupling between high and low latitudes Journal of Geophysical Research, 116 (A1). A01303_1-A01303_17. ISSN 0148-0227

Vineeth, C. ; Pant, T. K. ; Sumod, S. G. ; Kumar, K. K. ; Gurubaran, S. ; Sridharan, R. (2011) Planetary wave-tidal interactions over the equatorial mesosphere-lower thermosphere region and their possible implications for the equatorial electrojet Journal of Geophysical Research, 116 (A1). A01314_1-A01314_6. ISSN 0148-0227

Schaufelberger, A. ; Wurz, P. ; Barabash, S. ; Wieser, M. ; Futaana, Y. ; Holmstrom, M. ; Bhardwaj, A. ; Dhanya, M. B. ; Sridharan, R. ; Asamura, K. (2011) Scattering function for energetic neutral hydrogen atoms off the lunar surface Geophysical Research Letters, 38 . L22202_1-L22202_6. ISSN 0094-8276

Sridharan, R. ; Ahmed, S. M. ; Dasa, Tirtha Pratim ; Sreelatha, P. ; Pradeepkumar, P. ; Naik, Neha ; Supriya, Gogulapati (2010) The sunlit lunar atmosphere: a comprehensive study by CHACE on the Moon Impact Probe of Chandrayaan-1 Planetary and Space Science, 58 (12). pp. 1567-1577. ISSN 0032-0633

Sridharan, R. ; Ahmed, S. M. ; Das, Tirtha Pratim ; Sreelatha, P. ; Pradeepkumar, P. ; Naik, Neha ; Supriya, Gogulapati (2010) 'Direct' evidence for water (H2O) in the sunlit lunar ambience from CHACE on MIP of Chandrayaan I Planetary and Space Science, 58 (6). pp. 947-950. ISSN 0032-0633

Bhardwaj, Anil ; Barabash, Stas ; Dhanya, M. B. ; Wieser, Martin ; Yoshifumi, Futaana ; Holmström, Mats ; Sridharan, R. ; Wurz, Peter ; Schaufelberger, Audrey ; Kazushi, Asamura (2010) Studying the Lunar-Solar wind interaction with the SARA experiment aboard the Indian Lunar Mission Chandrayaan-1 American Institute of Physics Conference Proceedings, 1216 . pp. 518-521. ISSN 0094-243X

Hossain, M. M. ; Pant, T. K. ; Vineeth, C. ; Sumod, S. G. ; Sridharan, R. (2010) Daytime sodium airglow emission measurements over Trivandrum using a scanning monochromator: first results Annales Geophysicae, 28 (11). pp. 2071-2077. ISSN 0992-7689

Wieser, Martin ; Barabash, Stas ; Futaana, Yoshifumi ; Holmström, Mats ; Bhardwaj, Anil ; Sridharan, R. ; Dhanya, M. B. ; Schaufelberger, Audrey ; Wurz, Peter ; Asamura, Kazushi (2010) First observation of a mini-magnetosphere above a lunar magnetic anomaly using energetic neutral atoms Geophysical Research Letters, 37 . L05103_1-L05103_4. ISSN 0094-8276

Futaana, Y. ; Barabash, S. ; Wieser, M. ; Holmström, M. ; Bhardwaj, A. ; Dhanya, M. B. ; Sridharan, R. ; Wurz, P. ; Schaufelberger, A. ; Asamura, K. (2010) Protons in the near-lunar wake observed by the Sub-keV Atom Reflection Analyzer on board Chandrayaan-1 Journal of Geophysical Research, 115 . A10248_1-A10248_9. ISSN 0148-0227

Bhardwaj, Anil ; Wieser, Martim ; Dhanya, M. B. ; Barabash, Stas ; Yoshifumi, Futaana ; Holmstrom, Mats ; Sridharan, R. ; Wurz, Peter ; Schaufelberger, Audrey ; Kazushi, Asamura (2010) The SUB-KEV Atom Reflecting Analyzer (SARA) experiment aboard Chandrayaan-1 mission: instrument and observations Advances in Geosciences, 19 . pp. 151-162. ISSN 1680-7340

Vineeth, C. ; Pant, T. K. ; Gurubaran, S. ; Hossain, M. M. ; Sridharan, R. (2010) A comparison of optically measured daytime OH temperatures over the tropics during solar maximum and minimum periods Earth Planets and Space (EPS), 62 . pp. 647-653. ISSN 1343-8832

Wieser, Martin ; Barabash, Stas ; Futaana, Yoshifumi ; Holmström, Mats ; Bhardwaj, Anil ; Sridharan, R. ; Dhanya, M.B. ; Wurz, Peter ; Schaufelberger, Audrey ; Asamura, Kazushi (2009) Extremely high reflection of solar wind protons as neutral hydrogen atoms from regolith in space Planetary and Space Science, 57 (14-15). pp. 2132-2134. ISSN 0032-0633

Barabash, Stas ; Bhardwaj, Anil ; Wieser, Martin ; Sridharan, R. ; Kurian, Thomas ; Varier, Subha ; Vijayakumar, E. ; Abhirami, Veena ; Raghavendra, K. V. ; Mohankumar, S. V. ; Dhanya, M. B. ; Thampi, Satheesh ; Kazushi, Asamura ; Andersson, Herman ; Yoshifumi, Futaana ; Holmström, Mats ; Lundin, Rickard ; Svensson, Johan ; Karlsson, Stefan ; Daniele Piazza, R. ; Wurz, Peter (2009) Investigation of the solar wind-Moon interaction onboard Chandrayaan-1 mission with the SARA experiment Current Science, 96 (4). pp. 526-532. ISSN 0011-3891

Ashok Kumar, Y. ; Sridharan, R. (2009) The moon impact probe on Chandrayaan-1 Current science, 96 (4). pp. 540-543. ISSN 0011-3891

Sreeja, V. ; Balan, N. ; Ravindran, Sudha ; Pant, Tarun Kumar ; Sridharan, R. ; Bailey, G. J. (2009) Additional stratifications in the equatorial F region at dawn and dusk during geomagnetic storms: role of electrodynamics Journal of Geophysical Research, 114 . A08309_1-A08309_8. ISSN 0148-0227

Manju, G. ; Pant, T. K. ; Devasia, C. V. ; Ravindran, S. ; Sridharan, R. (2009) Electrodynamical response of the Indian low-mid latitude ionosphere to the very large solar flare of 28 October 2003 - a case study Annales Geophysicae, 27 (10). pp. 3853-3860. ISSN 0992-7689

Prabhakaran Nayar, S. R. ; Mathew, T. J. ; Sreehari, C. V. ; Sumod, S. G. ; Devasia, C. V. ; Ravindran, S. ; Sreeja, V. ; Kumar Pant, T. ; Sridharan, R. (2009) Electrodynamics of the equatorial F-region ionosphere during pre-sunrise period Annales Geophysicae, 27 (1). pp. 107-111. ISSN 0992-7689

Vineeth, C. ; Kumar Pant, T. ; Sridharan, R. (2009) Equatorial counter electrojets and polar stratospheric sudden warmings - a classical example of high latitude-low latitude coupling Annales Geophysicae, 27 (8). pp. 3147-3153. ISSN 0992-7689

Manju, G. ; Kumar Pant, T. ; Ravindran, S. ; Sridharan, R. (2009) On the response of the equatorial and low latitude ionospheric regions in the Indian sector to the large magnetic disturbance of 29 October 2003 Annales Geophysicae, 27 (6). pp. 2539-2544. ISSN 0992-7689

Sreeja, V. ; Devasia, C. V. ; Ravindran, Sudha ; Pant, Tarun Kumar ; Sridharan, R. (2009) Response of the equatorial and low-latitude ionosphere in the Indian sector to the geomagnetic storms of January 2005 Journal of Geophysical Research, 114 . A06314_1-A06314_13. ISSN 0148-0227

Sreeja, V. ; Vineeth, C. ; Pant, Tarun Kumar ; Ravindran, Sudha ; Sridharan, R. (2009) Role of gravity wave like seed perturbations on the triggering of ESF - a case study from unique dayglow observation Annales Geophysicae, 27 (1). pp. 313-318. ISSN 0992-7689

Vineeth, C. ; Pant, T. K. ; Kumar, K. K. ; Ramkumar, G. ; Sridharan, R. (2009) Signatures of low latitude–high latitude coupling in the tropical MLT region during sudden stratospheric warming Geophysical Research Letters, 36 . L20104. ISSN 0094-8276

Sreeja, V. ; Devasia, C. V. ; Ravindran, Sudha ; Sridharan, R. (2009) The persistence of equatorial spread F - an analysis on seasonal, solar activity and geomagnetic activity aspects Annales Geophysicae, 27 . pp. 503-510. ISSN 0992-7689

Manju, G. ; Ravindran, Sudha ; Devasia, C. V. ; Thampi, Smitha V. ; Sridharan, R. (2008) Plasmaspheric electron content (PEC) over low latitude regions around the magnetic equator in the Indian sector during different geophysical conditions Journal of Atmospheric and Solar-Terrestrial Physics, 70 (7). pp. 1066-1073. ISSN 1364-6826

Kumar, Karanam Kishore ; Vineeth, C. ; Antonita, T. Maria ; Pant, Tarun Kumar ; Sridharan, R. (2008) Determination of day-time OH emission heights using simultaneous meteor radar, day-glow photometer and TIMED/SABER observations over Thumba (8.5°N, 77°E) Geophysical Research Letters, 35 . L18809_1-L18809_5. ISSN 0094-8276

Vineeth, C. ; Pant, Tarun K. ; Thampi, Smitha V. ; Sridharan, R. ; Ravindran, Sudha ; Devasia, C. V. ; Kishore Kumar, K. ; Alex, S. (2008) Investigation of the response of equatorial MLTI region during a partial solar eclipse through ground-based daytime optical technique Journal of Geophysical Research, 113 . A03302_1-A03302_11. ISSN 0148-0227

Tulasi Ram, S. ; Rama Rao, P. V. S. ; Prasad, D. S. V. V. D. ; Niranjan, K. ; Gopi Krishna, S. ; Sridharan, R. ; Ravindran, Sudha (2008) Local time dependent response of postsunset ESF during geomagnetic storms Journal of Geophysical Research, 113 . A07310_1-A07310_19. ISSN 0148-0227

Thampi, S. V. ; Ravindran, S. ; Pant, T. K. ; Devasia, C. V. ; Sridharan, R. (2008) Seasonal dependence of the "forecast parameter" based on the EIA characteristics for the prediction of Equatorial Spread F (ESF) Annales Geophysicae, 26 . pp. 1751-1757. ISSN 0992-7689

Pant, Tarun Kumar ; Vineeth, C. ; Sridharan, R. (2007) Daytime optical investigation of the equatorial mesopause energetics in the context of equatorial MLTI coupling: recent results Indian Journal of Radio and Space Physics, 36 . pp. 514-525. ISSN 0367-8393

Vineeth, C. ; Pant, Tarun Kumar ; Devasia, C. V. ; Sridharan, R. (2007) Atmosphere-Ionosphere coupling observed over the dip equatorial MLTI region through the quasi 16-day wave Geophysical Research Letters, 34 (12). L12102_1-L12102_5. ISSN 0094-8276

Thampi, Smitha V. ; Ravindran, Sudha ; Devasia, C. V. ; Sreelatha, P. ; Pant, Tarun K. ; Sridharan, R. ; Venkata Ratnam, D. ; Sarma, A. D. ; Raghava Reddi, C. ; Jose, Jessy ; Sastri, J. H. (2007) Coherent radio beacon experiment (CRABEX) for tomographic imaging of the equatorial ionosphere in the Indian longitudes - Preliminary results Advances in Space Research, 40 (3). pp. 436-441. ISSN 0273-1177

Vineeth, C. ; Pant, Tarun Kumar ; Devasia, C. V. ; Sridharan, R. (2007) Highly localized cooling in daytime mesopause temperature over the dip equator during counter electrojet events: first results Geophysical Research Letters, 34 . L14101_1-L14101_5. ISSN 0094-8276

Pant, Tarun Kumar ; Tiwari, Diwakar ; Vineeth, C. ; Thampi, Smitha V. ; Sridharan, S. ; Devasia, C. V. ; Sridharan, R. ; Gurubaran, S. ; Sekar, R. (2007) Investigation on the mesopause energetics and its possible implications on the equatorial MLTI processes through coordinated daytime airglow and radar measurements Geophysical Research Letters, 34 . L15102_1-L15102_6. ISSN 0094-8276

Tulasi Ram, S. ; Rama Rao, P. V. S. ; Prasad, D. S. V. V. D. ; Niranjan, K. ; Sridharan, R. ; Devasia, C. V. ; Ravindran, Sudha (2007) Local time dependant response of Indian equatorial ionosphere to the moderate geomagnetic storms Advances in Space Research, 39 (8). pp. 1304-1312. ISSN 0273-1177

Manju, G. ; Devasia, C. V. ; Sridharan, R. (2007) On the seasonal variations of the threshold height for the occurrence of equatorial spread F during solar minimum and maximum years Annales Geophysicae, 25 (4). pp. 855-861. ISSN 1432-0576

Thampi, Smitha V. ; Balan, N. ; Ravindran, Sudha ; Pant, Tarun Kumar ; Devasia, C. V. ; Sreelatha, P. ; Sridharan, R. ; Bailey, G. J. (2007) An additional layer in the low-latitude ionosphere in Indian longitudes: total electron content observations and modeling Journal of Geophysical Research, 112 . A06301_1-A06301_11. ISSN 0148-0227

Tulasi Ram, S. ; Rama Rao, P. V. S. ; Prasad, D. S. V. V. D. ; Niranjan, K. ; Raja Babu, A. ; Sridharan, R. ; Devasia, C. V. ; Ravindran, Sudha (2007) The combined effects of electrojet strength and the geomagnetic activity (Kp- index) on the post sunset height rise of the F-layer and its role in the generation of ESF during high and low solar activity periods Annales Geophysicae, 25 (9). pp. 2007-2017. ISSN 0992-7689

Thampi, Smitha V. ; Ravindran, Sudha ; Pant, Tarun Kumar ; Devasia, C. V. ; Sreelatha, P. ; Sridharan, R. (2006) Deterministic prediction of post-sunset ESF based on the strength and asymmetry of EIA from ground based TEC measurements: preliminary results Geophysical Research Letters, 33 . L13103_1-L13103_4. ISSN 0094-8276

Kazama, Yoichi ; Barabash, Stas ; Bhardwaj, Anil ; Asamura, Kazushi ; Futaana, Yoshifumi ; Holmström, Mats ; Lundin, Rickard ; Sridharan, R. ; Wurz, Peter (2006) Energetic neutral atom imaging mass spectroscopy of the Moon and Mercury environments Advances in Space Research, 37 (1). pp. 38-44. ISSN 0273-1177

Tiwari, D. ; Engavale, B. ; Bhattacharyya, A. ; Devasia, C. V. ; Pant, T. K. ; Sridharan, R. (2006) Simultaneous radar and spaced receiver VHF scintillation observations of ESF irregularities Annales Geophysicae, 24 . pp. 1419-1427. ISSN 0992-7689

Tulasi Ram, S. ; Rama Rao, P. V. S. ; Niranjan, K. ; Prasad, D. S. V. V. D. ; Sridharan, R. ; Devasia, C. V. ; Ravindran, S. (2006) The role of post-sunset vertical drifts at the equator in predicting the onset of VHF scintillations during high and low sunspot activity years Annales Geophysicae, 24 (6). pp. 1609-1616. ISSN 1432-0576

Bhardwaj, Anil ; Barabash, Stas ; Futaana, Yoshifumi ; Kazama, Yoichi ; Asamura, Kazushi ; McCann, David ; Sridharan, Rajagopal ; Holmstrom, Mats ; Wurz, Peter ; Lundin, Rickard (2005) Low energy neutral atom imaging on the Moon with the SARA instrument aboard Chandrayaan-1 mission Journal of Earth System Science, 114 (6). pp. 749-760. ISSN 0253-4126

Patra, A. K. ; Tiwari, D. ; Devasia, C. V. ; Pant, T. K. ; Sridharan, R. (2005) East-west asymmetries of the equatorial electrojet 8.3 m type-2 echoes observed over Trivandrum and a possible explanation Journal of Geophysical Research, 110 . A11305_1-A11305_7. ISSN 0148-0227

Thampi, Smitha V. ; Ravindran, Sudha ; Devasia, C. V. ; Pant, Tarun K. ; Sreelatha, P. ; Sridharan , R. (2005) First observation of topside ionization ledges using radio beacon measurements from low Earth orbiting satellites Geophysical Research Letters, 32 . L11104_1-L11104_4. ISSN 0094-8276

Patra, A. K. ; Tiwari, D. ; Sripathi, S. ; Rao, P. B. ; Sridharan, R. ; Devasia, C. V. ; Viswanathan, K. S. ; Subbarao, K. S. V. ; Sekar, R. ; Kherani, E. A. (2005) Simultaneous radar observations of meter-scale F region irregularities at and off the magnetic equator over India Journal of Geophysical Research, 110 (A2). A02307_1-A02307_11. ISSN 0148-0227

Vineeth, C. ; Pant, Tarun Kumar ; Antonita, Maria ; Ramkumar, Geetha ; Devasia, C. V. ; Sridharan, R. (2005) A comparative study of daytime mesopause temperatures obtained using unique ground based optical and meteor wind radar techniques over the magnetic equator Geophysical Research Letters, 32 . L19101_1-L19101_4. ISSN 0094-8276

Pant, T. K. ; Tiwari, D. ; Sridharan, S. ; Sridharan, R. ; Gurubaran, S. ; Subbarao, K. S. V. ; Sekar, R. (2004) Evidence for direct solar control of the mesopause dynamics through dayglow and radar measurements Annales Geophysicae, 22 (9). pp. 3299-3303. ISSN 0992-7689

Devasia, C. V. ; Jyoti, N. ; Subbarao, K. S. V. ; Tiwari, Diwakar ; Raghava Reddi, C. ; Sridharan, R. (2004) On the role of vertical electron density gradients in the generation of type II irregularities associated with blanketing ES (ESb) during counter equatorial electrojet events: a case study Radio Science, 39 . p. 14. ISSN 0048-6604

Tiwari, D. ; Patra, A. K. ; Devasia, C. V. ; Sridharan, R. ; Jyoti, N. ; Viswanathan, K. S. ; Subbarao, K. S. V. (2004) Radar observations of 8.3-m scale equatorial spread F irregularities over Trivandrum Annales Geophysicae, 22 (3). pp. 911-922. ISSN 0992-7689

Thampi, S. V. ; Pant, T. K. ; Ravindran, S. ; Devasia, C. V. ; Sridharan, R. (2004) Simulation studies on the tomographic reconstruction of the equatorial and low-latitude ionosphere in the context of the Indian tomography experiment: CRABEX Annales Geophysicae, 22 (10). pp. 3445-3460. ISSN 0992-7689

Jyoti, N. ; Devasia, C. V. ; Sridharan, R. ; Tiwari, Diwakar (2004) Threshold height (h'F)c for the meridional wind to play a deterministic role in the bottom side equatorial spread F and its dependence on solar activity Geophysical Research Letters, 31 . L12809_1-L12809_4. ISSN 0094-8276

Taori, Alok ; Sridharan, R. ; Chakrabarty, D. ; Modi, N. K. ; Narayanan, R. (2003) Significant upper thermospheric contribution to the O (1S) 557.7nm dayglow emission: first ground based evidence Journal of Atmospheric and Solar-Terrestrial Physics, 65 (1). pp. 121-128. ISSN 1364-6826

Sastri, Hanumath J. ; Sridharan, R. ; Pant, Kumar T. (2003) Equatorial ionosphere-thermosphere system during geomagnetic storms Geophysical Monograph Series, 142 . pp. 185-203. ISSN 0065-8448

Tiwari, Diwakar ; Patra, A. K. ; Viswanathan, K. S. ; Jyoti, N. ; Devasia, C. V. ; Subbarao, K. S. V. ; Sridharan, R. (2003) Simultaneous radar observations of the electrojet plasma irregularities at 18 and 54.95 MHz over Trivandrum, India Journal of Geophysical Research, 108 (A10). SIA3_1-SIA3_13. ISSN 0148-0227

Tiwari, Diwakar ; Patra, A. K. ; Viswanathan, K. S. ; Jyoti, N. ; Devasia, C. V. ; Subbarao, K. S. V. ; Sridharan, R. (2003) Simultaneous radar observations of the electrojet plasma irregularities at 18 and 54.95 MHz over Trivandrum, India Journal of Geophysical Research, 108 (A10). p. 1368. ISSN 0148-0227

Sojka, J. J. ; Eccles, J. V. ; Thiemann, H. ; Sridharan, R. ; Lakhina, G. S. ; Rao, P. B. ; Schunk, R. W. (2002) An observation-driven model of the equatorial ionosphere - DEOS rocket campaign study Advances in Space Research, 29 (6). pp. 899-905. ISSN 0273-1177

Devasia, C. V. ; Jyoti, N. ; Subbarao, K. S. V. ; Viswanathan, K. S. ; Tiwari, Diwakar ; Sridharan, R. (2002) On the plausible linkage of thermospheric meridional winds with the equatorial spread F Journal of Atmospheric and Solar-Terrestrial Physics, 64 (1). pp. 1-12. ISSN 1364-6826

Sridharan, R. ; Devasia, C. V. ; Jyoti, N. ; Tiwari, Diwakar ; Viswanathan, K. S. ; Subbarao, K. S. V. (2002) Effects of solar eclipse on the electrodynamical processes of the equatorial ionosphere: a case study during 11 August 1999 dusk time total solar eclipse over India Annales Geophysicae, 20 (12). pp. 1977-1985. ISSN 1432-0576

Selvamurugan, R. ; Devasia, C. V. ; Jain, A. R. ; Raghava Reddi, C. ; Rao, P. B. ; Sridharan, R. (2002) Observations on Stratospheric-Mesospheric-Thermospheric temperatures using Indian MST radar and co-located LIDAR during Leonid Meteor Shower (LMS) Annales Geophysicae, 20 . pp. 1869-1876. ISSN 0992-7689

Pant, Tarun Kumar ; Sridharan, R. (2001) Parameterisation of the local and non-local processes in the thermospheric energy budget based on DE-2 satellite data Journal of Atmospheric and Solar-Terrestrial Physics, 63 (16). pp. 1715-1727. ISSN 1364-6826

Pant, Tarun Kumar ; Sridharan, R. (2001) Seasonal dependence of the response of the low latitude thermosphere for external forcings Journal of Atmospheric and Solar-Terrestrial Physics, 63 (10). pp. 987-992. ISSN 1364-6826

Taori, Alok ; Sridharan, R. ; Chakrabarty, D. ; Narayanan, R. ; Ramarao, P. V. S. (2001) Coordinated thermospheric day-night airglow and ionospheric measurements from low latitudes-First results Geophysical Research Letters, 28 (7). pp. 1387-1390. ISSN 0094-8276

Thiemann, H. ; Sojka, J. J. ; Eccles, J. J. ; Rao, P. B. ; Rama Rao, P. V. S. ; Sridharan, R. ; Lakhina, G. S. (2001) Indo-German low-latitude project deos: plasma bubbles in the post sunset and nighttime sector Advances in Space Research, 27 (6-7). pp. 1065-1069. ISSN 0273-1177

Pant, Tarun Kumar ; Sridharan, R. (2001) Plausible explanation for the equatorial temperature and wind anomaly (ETWA) based on chemical and dynamical processes Journal of Atmospheric and Solar-Terrestrial Physics, 63 (9). pp. 885-891. ISSN 1364-6826

Chandra, H. ; Sharma, S. ; Devasia, C. V. ; Subbarao, K. S. V. ; Sridharan, R. ; Sastri, J. H. ; Rao, J. V. S. V. (2001) Sporadic-E associated with the Leonid meteor shower event of November 1998 over low and equatorial latitudes Annales Geophysicae, 19 (1). pp. 59-69. ISSN 1432-0576

Sridharan, R. ; Taori, Alok ; Gurubaran, S. ; Rajaram, R. ; Shepherd, M. G. (1999) First results on daytime mesopause OH rotational temperatures using ground-based photometry from equatorial latitudes Journal of Atmospheric and Solar-Terrestrial Physics, 61 (15). pp. 1131-1142. ISSN 1364-6826

Sridharan, R. ; Taori, Alok ; Chakrabarty, D. ; Chandra, H. ; Sharma, Som ; Narayanan, R. ; Modi, N. K. (1999) Effects of 6 January 1997 space weather related processes in the low latitude thermosphere-ionosphere system Journal of Atmospheric and Solar-Terrestrial Physics, 61 (13). pp. 1001-1005. ISSN 1364-6826

Sridharan, R. ; Pallam Raju, D. ; Somayajulu, V. V. ; Taori, Alok ; Chakrabarty, D. ; Raghavarao, R. (1999) Imprint of equatorial electrodynamical processes in the OI 630.0 nm dayglow Journal of Atmospheric and Solar-Terrestrial Physics, 61 (15). pp. 1143-1155. ISSN 1364-6826

Shridharan, R. (1998) Equatorial and low latitude ionosphere thermosphere interactions Proceedings of the Indian National Science Academy - Part A: Physical Sciences, 64 (3). pp. 315-340. ISSN 0370-0046

Pallam Raju, D. ; Sridharan, R. (1998) Ground-based optical measurements of daytime auroral emissions: a new means of investigating space-weather related processes Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 107 (3). pp. 203-211. ISSN 0253-4126

Pallam Raju, D. ; Sridharan, R. (1998) High resolution 2-D maps of OI 630.0 nm thermospheric dayglow from equatorial latitudes Annales Geophysicae, 16 (8). pp. 997-1006. ISSN 1432-0576

Raghavarao, R. ; Sridharan, R. ; Suhasini, R. (1998) Joule heating due to vertical ion currents in the lower thermosphere over the dip equator Earth Planets and Space (EPS), 50 (10). pp. 833-837. ISSN 1343-8832

Pant, T. K. ; Sridharan, R. (1998) A case-study of the low-latitude thermosphere during geomagnetic storms and its new representation by improved MSIS model Annales Geophysicae, 16 (11). pp. 1513-1518. ISSN 1432-0576

Sridharan, R. ; Modi, N. K. ; Pallam Raju, D. ; Narayanan, R. ; Pant, Tarun K. ; Taori, Alok ; Chakrabarty, D. (1998) A multiwavelength daytime photometer - a new tool for the investigation of atmospheric processes Measurement Science and Technology, 9 (4). pp. 585-591. ISSN 0957-0233

Sridharan, R. ; Chandra, H. ; Das, S. R. ; Sekar, R. ; Sinha, H. S. S. ; Pallam Raju, D. ; Narayanan, R. ; Raizada, Shika ; Misra, R. N. ; Raghavarao, R. ; Vyas, G. D. ; Rao, P. B. ; Ramarao, P. V. S. ; Somayajulu, V. V. ; Babu, V. V. ; Danilov, A. D. (1997) Ionization hole campaign-a coordinated rocket and ground-based study at the onset of equatorial spread-F: first results Journal of Atmospheric and Solar-Terrestrial Physics, 59 (16). pp. 2051-2067. ISSN 1364-6826

Sekar, R. ; Sridharan, R. ; Raghavarao, R. (1997) Equatorial plasma bubble evolution and its role in the generation of irregularities in the lower F region Journal of Geophysical Research, 102 (A9). pp. 20063-20067. ISSN 0148-0227

Pallam Raju, D. ; Sridharan, R. ; Gurubaran, S. ; Raghavarao, R. (1996) First results from ground-based daytime optical investigation of the development of the equatorial ionization anomaly Annales Geophysicae, 14 (2). pp. 238-245. ISSN 1432-0576

Pallam Raju, D. ; Sridharan, R. ; Narayanan, R. ; Modi, N. K. ; Raghavarao, R. ; Subbaraya, B. H. (1995) Ground-based optical observations of daytime auroral emissions from Antarctica Journal of Atmospheric and Terrestrial Physics, 57 (13). pp. 1591-1597. ISSN 0021-9169

Gurubaran, S. ; Sridharan, R. ; Raghavarao, R. (1995) Effects of neutral temperature on meridional winds estimated from ionospheric data Journal of Atmospheric and Terrestrial Physics, 57 (10). pp. 1095-1101. ISSN 0021-9169

Gurubaran, S. ; Sridharan, R. ; Suhasini, R. ; Jani, K. G. (1995) Variabilities in the thermospheric temperatures in the region of the crest of the equatorial ionization anomaly - a case study Journal of Atmospheric and Terrestrial Physics, 57 (6). pp. 695-703. ISSN 0021-9169

Sridharan, R. ; Pallam Raju, D. ; Narayanan, R. ; Modi, N. K. ; Subbaraya, B. H. ; Raghavarao, R. (1995) Daytime measurements of optical auroral emissions from Antarctica Current science, 68 (8). pp. 830-834. ISSN 0011-3891

Sridharan, R. ; Pallam Raju, D. ; Raghavarao, R. ; Ramarao, P. V. S. (1994) Precursor to equatorial spread-F in OI 630.0 nm dayglow Geophysical Research Letters, 21 (25). pp. 2797-2800. ISSN 0094-8276

Sridharan, R. ; Sekara, R. ; Gurubaran, S. (1993) Two-dimensional high-resolution imaging of the equatorial plasma fountain Journal of Atmospheric and Terrestrial Physics, 55 (13). pp. 1661-1663. ISSN 0021-9169

Sekar, R. ; Gurubaran, S. ; Sridharan, R. (1993) All sky imaging Fabry-Perot spectrometer for optical investigation of the upper atmosphere Indian Journal of Radio and Space Physics, 22 (3). pp. 197-204. ISSN 0367-8393

Sridharan, R. (1993) Ionosphere-thermosphere coupling Current Science, 64 (8). pp. 588-598. ISSN 0011-3891

Gurubaran, S. ; Sridharan, R. (1993) Effect of meridional winds and neutral temperatures on the F layer heights over low latitudes Journal of Geophysical Research, 98 (A7). pp. 11629-11635. ISSN 0148-0227

Sridharan, R. ; Narayanan, R. ; Modi, N. K. ; Pallam Raju, D. (1993) Novel mask design for multiwavelength dayglow photometry Applied Optics, 32 (22). pp. 4178-4180. ISSN 0003-6935

Sekar, R. ; Sridharan, R. (1992) Validity of the estimates of night-time meridional winds made from bottomside ionograms Journal of Atmospheric and Terrestrial Physics, 54 (9). pp. 1197-1199. ISSN 0021-9169

Sridharan, R. ; Narayanan, R. ; Modi, N. K. (1992) Improved chopper mask for the dayglow photometer Applied Optics, 31 (4). pp. 425-426. ISSN 0003-6935

Sridharan, R. ; Haider, S. A. ; Gurubaran, S. ; Sekar, R. ; Narayanan, R. (1992) O I 630.0-nm dayglow in the region of equatorial ionization anomaly: temporal variability and its causative mechanism Journal of Geophysical Research, 97 (A09). pp. 13715-13721. ISSN 0148-0227

Sridharan, R. ; Raghavarao, R. ; Gurubaran, S. ; Narayanan, R. (1991) First results of OI 630.0 nm dayglow measurements from equatorial latitudes Journal of Atmospheric and Terrestrial Physics, 53 (6-7). pp. 521-528. ISSN 0021-9169

Sridharan, R. ; Gurubaran, S. ; Raghavarao, R. ; Suhasini, R. (1991) Co-ordinated thermospheric and F-region measurements from low latitudes Journal of Atmospheric and Terrestrial Physics, 53 (6-7). pp. 515-519. ISSN 0021-9169

Raghavarao, R. ; Suhasini, R. ; Sridharan, R. ; Krishnamurthy, B. V. ; Nagpal, O. P. (1990) Vertical structure and characteristics of 23–60 day (zonal) oscillations over the tropical latitudes during the winter months of 1986 — results of equatorial wave campaign—II Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 99 (3). pp. 413-423. ISSN 0253-4126

Sridharan, R. ; Raghavarao, R. ; Suhasini, R. ; Narayanan, R. ; Sekar, R. ; Babu, V. V. ; Sudhakar, V. (1989) Winds, wind-shears and plasma densities during the initial phase of a magnetic storm from equatorial latitudes Journal of Atmospheric and Terrestrial Physics, 51 (3). pp. 169-177. ISSN 0021-9169

Narayanan, R. ; Desai, J. N. ; Modi, N. K. ; Raghavarao, R. ; Sridharan, R. (1989) Dayglow photometry:a new approach Applied Optics, 28 (11). pp. 2138-2142. ISSN 0003-6935

Sridharan, R. (1988) Optical studies of thermospheric structure and dynamics-recent developments Indian Journal of Radio and Space Physics, 17 . pp. 252-263. ISSN 0367-8393

Danilov, A. D. ; Pokhunkov, A. A. ; Varfolomeev, V. A. ; Sridharan, R. ; Gupta, S. P. ; Das, S. R. (1988) Latitudinal variation in the ionospheric parameters: a Soviet-Indian experiment by simultaneous launchings Journal of Atmospheric and Terrestrial Physics, 50 (3). pp. 175-179. ISSN 0021-9169

Sridharan, R. ; Das, S. R. ; Raghavarao, R. (1987) A novel temperature probe for middle atmospheric and meteorological applications Journal of Physics E - Scientific Instruments, 20 (10). pp. 1199-1201. ISSN 0022-3735

Raghavarao, R. ; Gupta, S. P. ; Sekar, R. ; Narayanan, R. ; Desai, J. N. ; Sridharan, R. ; Babu, V. V. ; Sudhakar, V. (1987) In situ measurements of winds, electric fields and electron densities at the onset of equatorial spread-F Journal of Atmospheric and Solar - Terrestrial Physics, 49 (5). pp. 485-492. ISSN 1364-6826

Gupta, Ranjan ; Desai, J. N. ; Raghavarao, R. ; Sekar, R. ; Sridharan, R. ; Narayanan, R. (1986) Excess heating over the equatorial latitudes during storm sudden commencement Geophysical Research Letters, 13 (10). pp. 1055-1058. ISSN 0094-8276

Sridharan, R. ; Raghavarao, R. ; Pokhunkov, A. A. ; Varfolomeev, V. A. (1985) Relative ion composition variation over the dip equator- a comparison of measurements with IRI Journal of Atmospheric and Terrestrial Physics, 47 (11). pp. 1081-1084. ISSN 0021-9169

Sridharana, R. ; Raghavarao, R. (1984) Evidence for turbopause control on neutral density variations in the lower thermosphere Journal of Atmospheric and Terrestrial Physics, 46 (10). pp. 851-853. ISSN 0021-9169

Raghavarao, R. ; Sridharan, R. ; Suhasini, R. (1984) The importance of vertical ion currents on the nighttime ionization in the equatorial electrojet Journal of Geophysical Research, 89 (A12). pp. 11033-11037. ISSN 0148-0227

Das, S. R. ; Sridharan, R. ; Sidhu, J. S. (1984) A stable electrometer amplifier for space-borne instruments Journal of Physics E - Scientific Instruments, 17 (8). pp. 638-639. ISSN 0022-3735

Shirke, J. S. ; Sridharan, R. ; Gupta, S. P. ; Danilov, A. D. ; Pokhunkov, A. A. ; Semenov, V. K. ; Varfolomeev, V. A. (1981) On the formation of a sharp layer of metallic constituents at sunrise in the lower thermosphere Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 90 (2). pp. 141-146. ISSN 0253-4126

Sridharan, R. (1981) Note on the performance of the Bennett type radio frequency mass spectrometers Vacuum, 31 (3). pp. 159-160. ISSN 0042-207X

Shirke, J. S. ; Sridharan, R. (1980) On the origin of blanketing and diffused sporadic E layers at equatorial and low latitudes Proceedings of the Symposium in Low Latitude Aeronomical Processes, Bangalore . pp. 87-90.

Danilov, A. D. ; Pokhunkov, A. A. ; Semenov, V. K. ; Varfolomeev, V. A. ; Shirke, J. S. ; Sridharan, R. ; Gupta, S. P. ; Pradhan, S. N. (1980) Variability of upper atmospheric composition at the dip equator Proceedings of the Symposium in Low Latitude Aeronomical Processes, Bangalore . pp. 111-114.

Shirke, J. S. ; Sridharan, R. (1979) On the origin of ionospheric sublayers in the lower thermosphere Proceedings of the Indian Academy of Sciences, Section A, 88 . pp. 219-228. ISSN 0370-0089

Shirke, J. S. ; Sridharan, R. ; Das, S. R. ; Pokhunkov, A. A. ; Semenov, V. K. ; Danilov, A. D. (1977) Simultaneous measurements of ionospheric parameters at the dip equator Proceedings of the Open Meetings of Working Groups on Physical Sciences . pp. 403-407.

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