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Dr. Som Kumar Sharma

Professor & Dy Head Academic & Administration
Space and Atmospheric Sciences Division
E-mail: [email protected]
Telephone: +91-79-2631-4554

Research Interests

Academic Qualifications

  • B Sc. --- Physics, Mathematics, Chemistry --- University of Lucknow, Lucknow

  • M Sc. --- Physics --- University of Lucknow, Lucknow

  • Ph D --- Physics (Atmospheric Science) --- Physical Research Laboratory, Ahmedabad

    • Additional Qualifications

  • Have qualified Graduate Aptitude Test of Engineering (GATE-95), org., IIT Kanpur

  • Have qualified CSIR-NET in 1995 (Council of Scientific & Industrial Research-National Eligibility Test)

    Publications in Peer Reviewed Journals: 113

    Publications in Conference Proceedings (full length papers): 23

    Conference Presentations and Abstracts: ~200

    Invited Talks/Lectures (International and National): ~95

    List of Few Recent Publications in Peer Reviewed Journals (2015 onward)

    1. Patel, A., Sharma, Som, Shah, R., Kamat, D.K., Kumar, P., Kumar, K.N., Chotaliya, N.A. and Kar, D.K., "Investigation of the Mount Ruang volcanic eruption in Indonesia: a case study," Natural Hazards, Vol. 122, No. 12, p. 494, 2026. DOI: 10.1007/s11069-026-08243-1.

    2. Patel, A., Thosar, Y.M., Kamat, D.K., Sharma, Som, Kumar, P. and Jangra, A., "Atmospheric cloud detection and cloud base height estimation from the Lidar backscatter: a two-step statistical and machine learning approach," International Journal of Remote Sensing, pp. 1–16, 2026. DOI: 10.1080/01431161.2026.2691978.

    3. Jangra, A., Sharma, Som, Kamat, D.K., Srivastava, S., Patel, A., Jindal, P., Kumar, P., Kant, Y., Mitra, D., Kumar, K.N. and Singh, R.P., "Long-term characteristics of the atmospheric boundary layer over the Himalayan Foothills using ground-based Lidar and reanalysis data," Atmospheric Research, p. 109005, 2026. DOI: 10.1016/j.atmosres.2026.109005.

    4. Mevada, N., Srivastava, R., Shah, R. and Sharma, S., "An assessment of regional variations in cloud characteristics using machine learning models: a case study over north-western and north-eastern regions of India," Advances in Space Research, 2026. DOI: 10.1016/j.asr.2026.03.013.

    5. Mevada, N., Srivastava, R. and Sharma, S., "Investigation of cloud characteristics over Northern and Southern Indian regions using satellite observations and machine learning," Remote Sensing Letters, Vol. 17, No. 7, pp. 775–790, 2026. DOI: 10.1080/2150704X.2026.2668058.

    6. Srivastava, S., Singh, S., Som Sharma, Jindal, P., Aparna, C., Kant, Y., Mitra, D., Kamat, D.K., Patel, A., Singh, R.P. and Chauhan, P., "Investigation of Atmospheric Boundary Layer Dynamics Over the Himalayan Foothill Region: Insights from Ground-Based LiDAR Observations and WRF Model," Journal of the Indian Society of Remote Sensing, 2026. DOI: 10.1007/s12524-025-02400-y.

    7. Sahu, P.J., Pathak, B., Som Sharma, Dutta, B., Bhattacharjee, U., Chakraborty, A., Patel, A., Kamat, D., Bhuyan, P.K., Borgohain, A. and Bhuyan, K., "Monitoring the Atmospheric Boundary Layer Height Using Ceilometer Lidar Over the Northeast India," Journal of the Indian Society of Remote Sensing, pp. 1–15, 2026. DOI: 10.1007/s12524-025-02375-w.

    8. Kamat, D.K., Som Sharma, Kumar, P., Kumar, K.N., Saha, S. and Aniket, "Investigation of cloud characteristics over a high-altitude region, Mt. Abu, using ground-based Lidar and satellite observations," Theoretical and Applied Climatology, Vol. 157, No. 1, p. 34, 2026. DOI: 10.1007/s00704-025-05985-z.

    9. Kamat, D.K., Som Sharma, Kumar, P., Kumar, K.N., Saha, S. and Kaur, S., "Atmospheric boundary layer characteristics during severe air pollution and fog events over Delhi: Insights from ground-based Lidar, satellites, and models," Atmospheric Environment, p. 121684, 2025. DOI: 10.1016/j.atmosenv.2025.121684.

    10. Shah, R., Sharma, S., Gadhavi, H., Aniket, Srivastava, R. and Kamat, D., "Characteristics of uniformly distributed cirrus clouds over the Arabian Sea," Remote Sensing Letters, Vol. 16, No. 12, pp. 1423–1432, 2025. DOI: 10.1080/2150704X.2025.2578818.

    11. Kamat, D.K., Som Sharma, Kumar, K.N., Kumar, P., Saha, S. and Bencherif, H., "Dynamics of convective clouds near and below the lifting condensation level over a semi-arid Western Indian region," Atmospheric Research, p. 108542, 2025. DOI: 10.1016/j.atmosres.2025.108542.

    12. Shah, R., Som Sharma, Kamat, D.K., Kumar, K.N., Kumar, P., Ningombam, S.S., Angchuk, D. and Srivastava, R., "Characteristics of multi-layer clouds observed using ceilometer observations over Leh-Ladakh: A high-altitude cold desert region," Atmospheric Research, p. 108399, 2025. DOI: 10.1016/j.atmosres.2025.108399.

    13. Kamat, D.K., Som Sharma, Kumar, P., Kumar, K.N., Patel, A., Saha, S., Bencherif, H., Vaishya, A. and Shah, R., "Dynamics of mid-level stratiform clouds over the semi-arid regions of Western India: a post-monsoon case study," Modeling Earth Systems and Environment, Vol. 11, No. 4, pp. 1–12, 2025. DOI: 10.1007/s40808-025-02449-1.

    14. Ningombam, S.S., Mukhopadhyay, S., Madhavan, B.L., Srivastava, A.K., Som Sharma, Singh, A., Jorphel, S., Angchuk, D. and Mahay, T.T., "Characterization of aerosol optical and radiative properties at Leh, located over the climate sensitive Hindu Kush Himalayan region using sky radiometer observation," Atmospheric Environment, p. 121234, 2025. DOI: 10.1016/j.atmosenv.2025.121234.

    15. Kamat, D.K., Som Sharma, Kumar, P., Kumar, K.N., Saha, S. and Shah, R., "Long-term trend in clouds and precipitation over an urban city Ahmedabad in the western-Indian region," Journal of the Indian Society of Remote Sensing, 2025. DOI: 10.1007/s12524-025-02174-3.

    16. Kamat, D.K., Som Sharma, Kumar, P., Kumar, K.N., Saha, S. and Bencherif, H., "Investigation of atmospheric clouds and boundary layer dynamics during a dust storm in the Western-Indian region," Remote Sensing Applications: Society and Environment, Vol. 37, p. 101442, 2025. DOI: 10.1016/j.rsase.2024.101442.

    17. Kundu, A., Kundu, S.S., Borgohain, A., Gogoi, M.M., Babu, S., Som Sharma and Gogoi, M., "Role of atmospheric boundary layer dynamics in driving surface black carbon concentrations over a high-altitude station in North-east India," Atmospheric Pollution Research, p. 102420, 2025. DOI: 10.1016/j.apr.2025.102420.

    18. Shah, R., Som Sharma, Kamat, D.K., Kumar, K.N., Kumar, P. and Srivastava, R., "Cloud characteristics and their role in the 2024 United Arab Emirates extreme rainfall events," Remote Sensing Letters, Vol. 15, No. 11, pp. 1153–1162, 2024. DOI: 10.1080/2150704X.2024.2412800.

    19. Kamat, D.K., Som Sharma, Kumar, K.N., Kumar, P. and Saha, S., "Cloud characteristics in the Aravalli ranges of Western India: Insights from ground-based Lidar measurements," Bulletin of Atmospheric Science and Technology, Vol. 5, No. 1, p. 11, 2024. DOI: 10.1007/s42865-024-00075-w.

    20. Mangaraj, P., Sahu, S.K., Beig, G., Mishra, A. and Som Sharma, "What makes the Indian megacity Chennai’s air unhealthy? A bottom-up approach to understand the sources of air pollutants," Aerosol and Air Quality Research, Vol. 24, p. 240089, 2024. DOI: 10.4209/aaqr.240089.

    21. Gogoi, M., Borgohain, A., Kundu, S.S., Som Sharma, Kundu, A., Bhuyan, P.K., ... and Aggarwal, S.P., "Investigation of the atmospheric boundary layer characteristics over a high-altitude station in North East India using measurements and reanalysis datasets," Theoretical and Applied Climatology, pp. 1–17, 2024. DOI: 10.1007/s00704-024-04997-5.

    22. Shukla, K.K., Som Sharma, Kumar, K.N., Kumar, P., Kamat, D.K., Attada, R. and Saha, S., "Characterization of a regional dust storm using RAMAN Lidar over the Western Indian Region," Journal of the Indian Society of Remote Sensing, Vol. 51, No. 12, pp. 2549–2559, 2023. DOI: 10.1007/s12524-023-01778-x.

    23. Saha, S., Kamat, D.K., Som Sharma, Kumar, P., Kumar, K.N., Bencherif, H., ... and Chandra, S., "Response of the boundary layer clouds to the surface forcings: A case study of western India," Remote Sensing Applications: Society and Environment, Vol. 32, p. 101073, 2023. DOI: 10.1016/j.rsase.2023.101073.

    24. Srivastava, R., Shah, R., Som Sharma, Patel, J., Panicker, D. and Vachharajani, B., "A study of aerosol–cloud variability under different rainfall scenarios over Western India and the Arabian Sea," Pure and Applied Geophysics, pp. 1–18, 2023. DOI: 10.1007/s00024-023-03305-y.

    25. Kundu, A., Kundu, S.S., Som Sharma, Gogoi, M., Banik, T., Borgohain, A., Mahanta, R. and Debnath, A., "The behavior of cloud base height over a hilly remote station of North-East India using ground-based remote sensing technique," Atmospheric Research, Vol. 282, p. 106512, 2023. DOI: 10.1016/j.atmosres.2022.106512.

    26. Gogoi, J., Bhuyan, K., Som Sharma, Kalita, B.R. and Vaishnav, R., "A comprehensive investigation of sudden stratospheric warming (SSW) events and upper atmospheric signatures associated with them," Advances in Space Research, Vol. 71, No. 8, pp. 3357–3372, 2023. DOI: 10.1016/j.asr.2022.12.003.

    27. Vaishya, A., Raj, S.S., Singh, A., Sivakumar, S., Ojha, N., Som Sharma, Ravikrishna, R. and Gunthe, S.S., "Black carbon over tropical Indian coast during the COVID-19 lockdown: Inconspicuous role of coastal meteorology," Environmental Science and Pollution Research, Vol. 30, No. 15, pp. 44773–44781, 2023. DOI: 10.1007/s11356-023-25370-5.

    28. Saha, S., Som Sharma, Chhabra, A., Kumar, K.N., Kumar, P. and Lal, S., "Impact of dust storm on the atmospheric boundary layer: A case study from western India," Natural Hazards, Vol. 113, pp. 143–155, 2022. DOI: 10.1007/s11069-022-05293-z.

    29. Saha, S., Som Sharma, Kumar, K.N., Kumar, P. and Lal, S., "Investigation of atmospheric boundary layer characteristics using Ceilometer Lidar, COSMIC GPS RO satellite, Radiosonde and ERA-5 reanalysis dataset over Western Indian Region," Atmospheric Research, Vol. 268, p. 105999, 2022. DOI: 10.1016/j.atmosres.2021.105999.

    30. Saha, S., Som Sharma, Chhabra, A., Kumar, P., Kondapalli, N.K., Kamat, D. and Lal, S., "Atmospheric boundary layer over Ahmedabad, Western Indian Region: Impact of COVID-19 nationwide lockdown," Pure and Applied Geophysics, Vol. 180, No. 3, pp. 1113–1119, 2023. DOI: 10.1007/s00024-023-03230-0.

    31. Som Sharma and Kumar, P., "Impact of transmission of COVID-19 epidemic: Scenario in the tropical environment," Pure and Applied Geophysics, 2021. DOI: 10.1007/s00024-021-02793-0.

    32. Saha, S., Som Sharma, Kumar, K.N., Kumar, P., Joshi, V., Georgoussis, G. and Lal, S., "A case study on the vertical distribution and characteristics of aerosols using ground-based Raman Lidar, satellite and model over Western India," International Journal of Remote Sensing, Vol. 42, No. 17, pp. 6417–6432, 2021. DOI: 10.1080/01431161.2021.1938737.

    33. Gopalan, K., Shukla, B.P., Som Sharma, Kumar, P., Shyam, A., Gaur, A. and Sunda, S., "An observational study of GPS-derived integrated water vapor over India," Atmosphere, Vol. 12, No. 10, p. 1303, 2021. DOI: 10.3390/atmos12101303.

    34. Singh, V., Chandra, S., Thomas, S., Som Sharma and Vats, H.O., "A long-term multifrequency study of solar rotation using the solar radio flux and its relationship with solar cycles," Monthly Notices of the Royal Astronomical Society, Vol. 505, pp. 5228–5237, 2021. DOI: 10.1093/mnras/stab1574.

    35. Singh, V., Chandra, S., Thomas, S., Som Sharma and Vats, H.O., "Radial differential rotation of solar corona using radio emissions," Monthly Notices of the Royal Astronomical Society: Letters, Vol. 505, pp. L16–L20, 2021. DOI: 10.1093/mnrasl/slab042.

    36. Singh, A., Thakur, M., Geesupalli, P., Anandan, N.R., Lakshmi, T.V., Som Sharma and Kumar, P., "Scaling of heavy rainy days with upper air profiles over Chennai during Northeast monsoon," Indian Journal of Radio & Space Physics, Vol. 49, No. 4, pp. 153–161, 2020. Available at: NIScPR Repository.

    37. Joshi, V., Som Sharma, Kumar, K.N., Patel, N., Kumar, P., Bencherif, H., Ghosh, P., Jethva, C. and Vaishnav, R., "Analysis of the middle atmospheric ozone using SABER observations: A study over midlatitudes in the northern and southern hemispheres," Climate Dynamics, 2020. DOI: 10.1007/s00382-020-05124-6.

    38. Kumar, K.N., Som Sharma, Naja, M. and Phanikumar, D.V., "A Rossby wave breaking-induced enhancement in the tropospheric ozone over the Central Himalayan region," Atmospheric Environment, p. 117356, 2020. DOI: 10.1016/j.atmosenv.2020.117356.

    39. Chhabra, A., Turakhia, T., Som Sharma, Saha, S., Iyer, R. and Chauhan, P., "Environmental impacts of fireworks on aerosol characteristics and radiative properties over a megacity, India," City and Environment Interactions, Vol. 7, p. 100049, 2020. DOI: 10.1016/j.cacint.2020.100049.

    40. Saha, S., Kumar, K.N., Som Sharma, Kumar, P. and Joshi, V., "Can quasi-periodic gravity waves influence the shape of ice crystals in cirrus clouds?" Geophysical Research Letters, Vol. 47, No. 10, e2020GL087909, 2020. DOI: 10.1029/2020GL087909.

    41. Saxena, P., Sonwani, S., Som Sharma, Kumar, P. and Chandra, N., "Carbonaceous aerosol variations in foggy days: A critical analysis during the fireworks festival," Fresenius Environmental Bulletin, Vol. 29, No. 8, pp. 6639–6656, 2020.

    42. Shukla, K.K., Phanikumar, D.V., Kumar, K.N., Kumar, A., Naja, M., Som Sharma and Attada, R., "Micro-pulse lidar observations of elevated aerosol layers over the Himalayan region," Journal of Atmospheric and Solar-Terrestrial Physics, Vol. 205, p. 105526, 2020. DOI: 10.1016/j.jastp.2020.105526.

    43. Ojha, N., Sharma, A., Kumar, M., Girach, I., Ansari, T.U., Som Sharma, Singh, N., Pozzer, A. and Gunthe, S.S., "On the widespread enhancement in fine particulate matter across the Indo-Gangetic Plain towards winter," Scientific Reports, Vol. 10, p. 5862, 2020. DOI: 10.1038/s41598-020-62710-8.

    44. Jindal, P., Thapliyal, P.K., Shukla, M.V., Som Sharma and Mitra, D., "Trend analysis of atmospheric temperature, water vapour, ozone, methane and carbon monoxide over few major cities of India using satellite data," Journal of Earth System Science, Vol. 129, p. 60, 2020. Available at: Journal of Earth System Science.

    45. Sharma, A., Ojha, N., Ansari, T.U., Som Sharma, Pozzer, A. and Gunthe, S.S., "Effects of dry deposition on surface ozone over South Asia inferred from a regional chemical transport model," ACS Earth and Space Chemistry, Vol. 4, No. 2, pp. 177–187, 2020. DOI: 10.1021/acsearthspacechem.0c00004.

    46. Sankhala, D.K., Deb, S.K., Som Sharma and Lal, S., "Inter-comparison of INSAT-3D atmospheric motion vectors height with cloud-base height from a Ceilometer," International Journal of Remote Sensing, Vol. 41, No. 4, pp. 1247–1264, 2020. DOI: 10.1080/01431161.2019.1698073.

    47. Jindal, P., Thapliyal, P.K., Shukla, M.V., Som Sharma and Mitra, D., "Satellite based trend analysis of few atmospheric parameters over the Indian region," Advances in Space Research, Vol. 64, No. 11, pp. 2245–2268, 2019. DOI: 10.1016/j.asr.2019.09.008.

    48. Ghosh, P., Ramkumar, T.K., Patra, A.K., Som Sharma and Chaitanya, P.P., "Vertical coupling from the lower atmosphere to the ionosphere: Observations inferred from Indian MST radar, GPS radiosonde, ionosonde, magnetometer, OLR (NOAA), and SABER/TIMED instrument over Gadanki," Journal of Geophysical Research: Space Physics, Vol. 124, No. 1, pp. 489–503, 2019. DOI: 10.1029/2018JA025897.

    49. Ghosh, P., Ramkumar, T.K., Yesubabu, V. and Som Sharma, "Characteristics of high-frequency gravity waves generated during pre-monsoon season over a tropical location: A case study," Journal of Atmospheric and Solar-Terrestrial Physics, Vol. 186, pp. 61–77, 2019. DOI: 10.1016/j.jastp.2019.01.018.

    50. Chandra, N., Venkataramani, S., Lal, S., Patra, P.K., Ramonet, M., Lin, X. and Som Sharma, "Observational evidence of high methane emissions over a city in western India," Atmospheric Environment, Vol. 202, pp. 41–52, 2019. DOI: 10.1016/j.atmosenv.2019.01.007.

    51. Ghosh, P., Som Sharma and Ansari, K., "Investigation of vertical wavenumber spectra during sudden stratospheric warming (SSW) events over the Indian region," Remote Sensing Letters, Vol. 10, No. 7, pp. 699–708, 2019. DOI: 10.1080/2150704X.2019.1601274.

    52. Kumar, K.N., Som Sharma, Joshi, V. and Ramkumar, T.K., "Middle atmospheric planetary waves in contrasting QBO phases over the Indian low latitude region," Journal of Atmospheric and Solar-Terrestrial Physics, Vol. 193, p. 105068, 2019. DOI: 10.1016/j.jastp.2019.105068.

    53. Patel, N., Som Sharma, Joshi, V., Kumar, P., Ojha, N., Kumar, K.N., Chandra, H. and Beig, G., "Observations of middle atmospheric seasonal variations and study of atmospheric oscillations at equatorial regions," Journal of Atmospheric and Solar-Terrestrial Physics, Vol. 193, p. 105066, 2019. DOI: 10.1016/j.jastp.2019.105066.

    54. Shukla, K.K., Phanikumar, D.V., Newsom, R.K., Ojha, N., Kumar, K.N., Singh, N., Som Sharma, Kotamarthi, V.R. and Kumar, K.K., "Investigations of vertical wind variations at a mountain top in the Himalaya using Doppler Lidar observations and model simulations," Journal of Atmospheric and Solar-Terrestrial Physics, Vol. 196, pp. 510–521, 2019. DOI: 10.1016/j.jastp.2018.12.011.

    55. Ghosh, P. and Som Sharma, "Vertical wavenumber spectral characteristics of temperature in the stratosphere-mesosphere over tropical and subtropical regions," Journal of Atmospheric and Solar-Terrestrial Physics, Vol. 191, p. 105053, 2019. DOI: 10.1016/j.jastp.2019.05.017.

    56. Vaishnav, R., Som Sharma, Shukla, K.K., Kumar, P. and Lal, S., "A comprehensive statistical study of cloud base height using ceilometer over western India," Advances in Space Research, Vol. 63, No. 5, pp. 1708–1718, 2019. DOI: 10.1016/j.asr.2018.11.006.

    57. Kumar, K.N., Phanikumar, D.V., Som Sharma, Basha, G., Naja, M., Ouarda, T.B.M.J., Ratnam, M.V. and Kumar, K.K., "Influence of tropical-extratropical interactions on the dynamics of extreme rainfall event: A case study from Indian region," Dynamics of Atmospheres and Oceans, Vol. 85, pp. 28–40, 2019. DOI: 10.1016/j.dynatmoce.2018.12.002.

    58. Ghosh, P., Ramkumar, T.K. and Som Sharma, "Anomalous behaviour of vertical wavenumber spectra over a tropical station of India," Geophysical Research Letters, Vol. 45, No. 18, pp. 9606–9613, 2018. DOI: 10.1029/2018GL079934.

    59. Phanikumar, D.V., Maurya, A.K., Kumar, K.N., Venkatesham, K., Singh, R., Som Sharma and Naja, M., "Anomalous variations of VLF sub-ionospheric signal and mesospheric ozone prior to 2015 Gorkha Nepal earthquake," Scientific Reports, Vol. 8, p. 10959, 2018. DOI: 10.1038/s41598-018-27659-9.

    60. Choithani, V., Jain, R., Awasthi, A.K., Singh, G., Chaudhari, S. and Som Sharma, "Study of temporal and spectral characteristics of the X-ray emission from solar flares," Research in Astronomy and Astrophysics, Vol. 18, No. 10, p. 121, 2018. DOI: 10.1088/1674-4527/18/10/121.

    61. Arun, S.H., Som Sharma, Chaurasia, S., Vaishnav, R. and Kumar, R., "Fog/low cloud detection over Delhi Earth Station using Ceilometer and INSAT-3D/3DR satellite data," International Journal of Remote Sensing, Vol. 39, No. 12, pp. 4130–4144, 2018. DOI: 10.1080/01431161.2018.1454624.

    62. Rafiq, M., Mishra, A.K., Panda, J. and Som Sharma, "Monitoring convective clouds over India and nearby regions using multi-spectral satellite observations," in Remote Sensing of Aerosols, Clouds, and Precipitation, pp. 51–60, Springer, 2018. DOI: 10.1007/978-3-319-77276-9_6.

    63. Bhatt, H., Som Sharma, Trivedi, R. and Vats, H.O., "Variability of fractal dimension of solar radio flux," Monthly Notices of the Royal Astronomical Society, Vol. 475, No. 3, pp. 3117–3120, 2018. DOI: 10.1093/mnras/stx3273.

    64. Som Sharma, Kumar, P., Vaishnav, R., Jethva, C. and Bencherif, H., "Evaluation of Inter-Hemispheric Characteristics of the Tropopause-Stratopause-Mesopause Over Sub-Tropical Regions," Pure and Applied Geophysics, 2017. DOI: 10.1007/s00024-017-1706-8.

    65. Som Sharma, Kumar, P., Vaishnav, R., Jethva, C. and Beig, G., "A Study of the Middle Atmospheric Thermal Structure over Western India: Satellite Data and Comparisons with Models," Advances in Space Research, 2017. DOI: 10.1016/j.asr.2017.09.021.

    66. Som Sharma, Kumar, P., Vaishnav, R., Shukla, K.K. and Phanikumar, D.V., "Analysis of total column ozone, water vapour and aerosol optical thickness over Ahmedabad, India," Meteorological Applications, 2017. DOI: 10.1002/met.1666.

    67. Som Sharma, Vaishnav, R., Shukla, K.K., Lal, S., Chandra, H. and Acharya, Y.B., "Rayleigh Lidar observed atmospheric temperature characteristics over a western Indian location: Intercomparison with satellite observations and models," European Physical Journal D, Vol. 71, Article 187, 2017. DOI: 10.1140/epjd/e2017-70609-9.

    68. Som Sharma, Kumar, P., Vaishnav, R., Chandra, H., Gadhavi, H., Sridharan, S. and Jayaraman, A., "Study of Stratospheric Sudden Warming (SSW) over the tropical and subtropical regions of India using Rayleigh lidar," International Journal of Remote Sensing, Vol. 38, No. 15, pp. 4285–4302, 2017. DOI: 10.1080/01431161.2017.1317935.

    69. Bhatt, H., Trivedi, R., Som Sharma and Vats, H.O., "Variations in the Solar Coronal Rotation with Altitude—Revisited," Solar Physics, Vol. 292, Article 55, 2017. DOI: 10.1007/s11207-017-1071-x.

    70. Gaur, A. and Som Sharma, "Estimation of Rain Attenuation and Ionospheric Delay at a Low-Latitude Indian Station," International Journal of Engineering Research and General Science, Vol. 5, No. 3, 2017.

    71. Jindal, P., Shukla, M.V., Som Sharma and Thapliyal, P.K., "Retrieval of ozone profiles from geostationary infrared sounder observations using principal component analysis," Quarterly Journal of the Royal Meteorological Society, Vol. 142, pp. 3015–3025, 2016. DOI: 10.1002/qj.2884.

    72. Som Sharma, Chandra, H., Beig, G., Kumar, P. and Vaishnav, R., "Investigations of Mesospheric Temperature Inversions over Subtropical Location using Lidar and Satellites Measurements," Journal of Atmospheric and Solar-Terrestrial Physics, Vol. 138, pp. 54–65, 2016. DOI: 10.1016/j.jastp.2015.12.007.

    73. Som Sharma, Kumar, P., Vaishnav, R. and Lal, S., "Evaluation of clouds simulated by a weather model over western India," Remote Sensing Letters, Vol. 7, pp. 905–913, 2016. DOI: 10.1080/2150704X.2016.1195934.

    74. Som Sharma, Kumar, P., Jethva, C., Vaishnav, R. and Bencherif, H., "Investigations of the middle atmospheric thermal structure and oscillations over sub-tropical regions in the Northern and Southern Hemispheres," Climate Dynamics, pp. 1–14, 2016. DOI: 10.1007/s00382-016-3293-2.

    75. Chandra, H., Rastogi, R.G., Choudhary, R.K. and Som Sharma, "Equatorial Electrojet in the Indian region during the geomagnetic storm of 13–14 November 1998," Journal of Earth System Science, Vol. 125, No. 3, pp. 669–675, 2016. DOI: 10.1007/s12040-016-0683-0.

    76. Som Sharma, Vaishnav, R., Shukla, M.V., Kumar, P., Kumar, P., Thapliyal, P.K., Lal, S. and Acharya, Y.B., "Evaluation of Cloud Base Height measurement from Ceilometer CL31 and MODIS satellite over Ahmedabad, India," Atmospheric Measurement Techniques, Vol. 9, pp. 711–719, 2016. DOI: 10.5194/amt-9-711-2016.

    77. Som Sharma, Chandra, H., Lal, S., Acharya, Y.B., Jayaraman, A., Gadhavi, H., Sridharan, S. and Chandra, S., "Study of Thermal Structure Differences from Coordinated Lidar Observations over Mt. Abu (24.5° N, 72.7° E) and Gadanki (13.5° N, 79.2° E)," Earth, Planets and Space, Vol. 67, Article 104, 2015. DOI: 10.1186/s40623-015-0258-3.

    78. Som Sharma, Vaishnav, R., Shukla, M.V., Kumar, P., Kumar, P., Thapliyal, P.K., Lal, S. and Acharya, Y.B., "Evaluation of Cloud Base Height measurement from Ceilometer CL31 and MODIS satellite over Ahmedabad, India: Preliminary results," Atmospheric Measurement Techniques Discussions, 2015. DOI: 10.5194/amtd-8-1-2015.

    79. Kumar, P., Shukla, B.P., Som Sharma, Kishtawal, C.M. and Pal, P.K., "A high resolution simulation of catastrophic rainfall over Uttarakhand, India," Natural Hazards, Vol. 80, pp. 1119–1134, 2016. DOI: 10.1007/s11069-015-2013-2.

    80. Som Sharma, Chandra, H. and Vaishnav, R., "Study of the Sporadic E layer over Ahmedabad during high and low sunspot activity years," Asian Journal of Physics, Vol. 24, No. 6, 2015.

    81. Som Sharma and Chandra, H., "Electromagnetic Precursor in the Ionosphere Associated with the Bhuj Earthquake of 26 January, 2001," Asian Journal of Physics, Vol. 24, No. 6, 2015.

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    Click here to download radar data used for VWN Spectra.