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Dr. Som Kumar Sharma

Professor
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: 94

    Publications in Conference Proceedings (full length papers): 23

    Conference Presentations and Abstracts: ~165

    Invited Talks/Lectures (International and National): ~75

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

    1. S. Saha, Som Sharma, et al. "Investigation of Atmospheric Boundary Layer Characteristics using Ceilometer Lidar, Satellite, Radiosonde and Reanalysis Dataset over Western Indian Region", Atmospheric Research, https://doi.org/10.1016/j.atmosres.2021.105999, (2022)

    2. M. Jain,. Som Sharma, et al. "Investigation of Forest Fire Activity Changes Over the Central India Domain Using Satellite Observations During 2001-2020", GeoHealth (AGU), 5, e2021GH000528. https://doi.org/10.1029/2021GH000528, (2021)

    3. Som Sharma and P. Kumar "Impact of Transmission of COVID-19 Epidemic: Scenario in the Tropical Environment", Pure & Applied Geophysics, DOI: https://doi.org/10.1007/s00024-021-02793-0, (2021)

    4. S. Saha, Som Sharma, et al. "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, issue, 17, pages 6417-6432. https://doi.org/10.1080/01431161.2021.1938737, (2021)

    5. K. Gopalan,. Som Sharma, et al. "An Observational Study of GPS-Derived Integrated Water Vapor over India", Atmosphere, 12, 1303. https://doi.org/10.3390/atmos12101303, (2021)

    6. V. Singh,.. Som Sharma, et al. "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 (MNRAS), 505, 5228-5237, (2021)

    7. V. Singh,.. Som Sharma, et al. "Radial differential rotation of solar corona using radio emissions", Monthly Notices of the Royal Astronomical Society (MNRAS), 505, L16-L20, (2021)

    8. A. Singh,... Som Sharma, et al. "Scaling of heavy rainy days with upper air profiles over Chennai during Northeast monsoon", Ind J. Radio & Space Phys., vol. 49(4), pages 153-161, (2021)

    9. K. Shukla,....Som Sharma, et al. "Micro-Pulse Lidar observations of elevated aerosol layers over the Himalayan region", Journal of Atmospheric and Solar-Terrestrial Physics S1364-6826(20)30325-4, (2020)

    10. S. Saha,. Som Sharma, et al. "Can Quasi-Periodic Gravity Waves Influence the Shape of Ice Crystals in Cirrus Clouds?", Geophysical Research Letters. 47 (11), e2020GL087909, (2020)

    11. V. Joshi, Som Sharma, et al. "Analysis of the middle atmospheric ozone using SABER observations: A study over mid-latitudes in the northern and southern hemispheres", Climate Dynamics, 54(3), 2481-2492, (2020)

    12. K. N Kumar, Som Sharma, et al. "A Rossby wave breaking-induced enhancement in the tropospheric ozone over the Central Himalayan region", Atmospheric Environment, 224, 117356, (2020)

    13. A. Chhabra,..Som Sharma, et al. "Environmental impacts of fireworks on aerosol characteristics and radiative properties over a mega city in India, "City and Environment Interactions",7, 100049. https://doi.org/10.1016/j.cacint.2020.1000492020 (2020)

    14. P. Saxena,.Som Sharma, et al. "Carbonaceous Aerosol variations in Foggy Days:A critical analysis during the firewoks festival",Fresenius Environmental Bulletin Volume 29, No. 08/2020 pages 6639-6656, (2020)

    15. N. Ojha,.... Som Sharma, et al. "On the widespread enhancement in fne particulate matter across the Indo-Gangetic Plain towards winter?", Scientific Reports (Nature Research), 10, 5862 (2020). https://doi.org/10.1038/s41598-020-62710-8, (2020)

    16. A. Sharma,.. Som Sharma, et al. "Effects of Dry Deposition on Surface Ozone over South Asia Inferred from a Regional Chemical Transport Model", ACS Earth and Space Chemistry, 4(2), 321-327, (2020)

    17. P. Jindal,.. Som Sharma, et al. "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 129 (1), 60, (2020)

    18. D. K. Sankala,. Som Sharma, et al. "Inter-comparison of INSAT-3D atmospheric motion vectors height with cloud-base height from a Ceilometer", International Journal of Remote Sensing, 41(8), 2946-2961, (2020)

    19. P. Ghosh and Som Sharma "Vertical wavenumber spectral characteristics of temperature in the stratosphere-mesosphere over tropical and subtropical regions", J. Atmos. Solar. Terr. Phys., 191, 105053, 2019.

    20. P. Jindal,.. Som Sharma, et al. "Satellite based trend analysis of few atmospheric parameters over the Indian region", Adv. Space Res. Vol. 64, Issue 11, 2245-2268, 2019.

    21. P. Ghosh, ..Som Sharma "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 124 (1), 489-503, 2019.

    22. P. Ghosh,.. Som Sharma "Characteristics of High-Frequency Gravity Waves Generated During Pre-Monsoon Season over a Tropical Location: A Case Study", J. Atmos. Solar. Terr. Phys., 186, 61-77, 2019.

    23. N. Chandra,..... Som Sharma "Observational Evidence of High Methane Emissions over a City in Western India", Atmospheric Environment, 202, pp 41-52, 2019.

    24. P. Ghosh,.. Som Sharma "Investigation of Vertical Wavenumber Spectra during Sudden Stratospheric Warming (SSW) Events over the Indian Region", Remote Sensing Letters, 10 (7), 699-708, 2019.

    25. K. N. Kumar Som Sharma "Middle atmospheric planetary waves in contrasting QBO phases over the Indian low latitude region", J. Atmos. Solar. Terr. Phys., 193, 105068, 2019.

    26. N. Patel,.. Som Sharma et al. "Observations of middle atmospheric seasonal variations and study of atmospheric oscillations at equatorial regions", J. Atmos. Solar. Terr. Phys., 193, 105066, 2019.

    27. K. K. Shukla,... Som Sharma et al. "Investigations of Vertical Wind Variations at a Mountain top in the Himalaya using Doppler Lidar observations and Model Simulations", J. Atmos. Solar. Terr. Phys., 96, 510-521, 2019.

    28. P. Ghosh and Som Sharma et al. "Vertical wavenumber spectral characteristics of temperature in the stratosphere-mesosphere over tropical and subtropical regions", J. Atmos. Solar. Terr. Phys., 191, 105053, 2019.

    29. K. N. Kumar,.. Som Sharma et al. "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, DOI.org/10.1016/j.dynatmoce.2018.12.002 2018.

    30. P. Ghosh,. Som Sharma "Anomalous Behaviour of Vertical Wavenumber Spectra over a Tropical Station of India",Geophysical Research Letters. 10.1029/2018GL079934, 2018.

    31. R. Vaishnav, Som Sharma et al., "A comprehensive statistical study of cloud base height using ceilometer over western India", Advances in Space Research. 10.1016/j.asr.2018.11.006, 2018.

    32. D. V. Phanikumar...Som Sharma et al., "Anomalous variations of VLF sub-ionospheric signal and Mesospheric Ozone prior to 2015 Gorkha Nepal Earthquake",Scientific Reports (Nature Research), 8. 10.1038/s41598-018-27659-9, 2018.

    33. V. Choithani...Som Sharma,"Study of temporal and spectral characteristics of the X-ray emission from solar flares", Research in Astronomy and Astrophysics. 18. 10.1088/1674-4527/18/10/121, 2018.

    34. S. Arun, Som Sharma et al.,"Fog/low cloud detection over Delhi Earth Station using Ceilometer and INSAT-3D/3DR satellite data", International J. of Remote Sensing, vol. 39, NO. 12, 4130-4144, 2018, doi.org/10.1080/01431161.2018.1454624.

    35. R. Mohammd,....Som Sharma, "Monitoring Convective Clouds Over India and Nearby Regions Using Multi-spectral Satellite Observations",51-60. 10.1007/978-3-319-77276-9_6, 2018 (Book Chapter).

    36. H. Bhatt, Som Sharma et al., "Variability of Fractal Dimension of Solar Radio Flux", MNRAS, Vol. 475, Issue 3, Pages 3117-3120, 2018.

    37. Som Sharma et al., "Evaluation of Inter-Hemispheric Characteristics of the Tropopause-Stratopause-Mesopause Over Sub-Tropical Regions",Pure and Applied Geophysics, DOI 10.1007/s00024-017-1706-8, 2017.

    38. Som Sharma et al., "A Study of the Middle Atmospheric Thermal Structure over Western India: Satellite data and Comparisons with Models", Adv. Space Res.,doi.org/10.1016/j.asr.2017.09.021, 2017.

    39. Som Sharma et al., "Analysis of total column ozone, water vapour and aerosol optical thickness over Ahmedabad, India",Meteorological Applications,DOI: 10.1002/met.1666, 2017.

    40. Som Sharma et al., "Rayleigh Lidar observed atmospheric temperature characteristics over a western Indian location: Intercomparison with satellite observations and models",European Physical Journal D, 71:187, DOI: 10.1140/epjd/e2017-70609-9, 2017.

    41. Som Sharma et al., "Analysis of Stratospheric Sudden Warming (SSW) over Tropical and Sub-tropical Regions of India using Rayleigh Lidar and Satellite Measurements", International J. of Remote Sensing, vol 38, Issue 15, 4285-4302, 2017.

    42. H. Bhatt, R. Trivedi, Som Sharma et al.,"Variations in the Solar Coronal Rotation with Altitude-Revisited",Solar Phys. 292:55 DOI 10.1007/s11207-017-1071, 2017.

    43. A. Gaur 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, Issue 3, 2017.

    44. Som Sharma et al., "Investigations of the middle atmospheric thermal structure and oscillations over sub-tropical regions in the Northern and Southern Hemispheres" Climate Dynamics, 1-14, 2016, DOI:10.1007/s00382-016-3293-2, 2016.

    45. Som Sharma et al., "Evaluation of clouds simulated by weather model over western India", Remote Sensing Letters,7:9, 905-913, DOI:10.1080/2150704x.2016,1195934, 2016.

    46. Som Sharma et al., "Investigations of Mesospheric Temperature Inversions over Subtropical Location using Lidar and Satellites Measurements" J. Atmos. Solar. Terr. Phys., 138, 54-65, 2016, DOI: 10.1016/j.jastp.2015.12.007, 2016.

    47. P. Jindal..Som Sharma et al., "Retrieval of ozone profiles from geostationary infrared sounder observations using principal component analysis" Q. J. R. Meteorol. Soc. 142, 3015-3025, October 2016 B DOI:10.1002/qj.2884, 2016.

    48. Som Sharma et al., "Evaluation of Cloud Base Height measurement from Ceilometer CL31 and MODIS satellite over Ahmedabad, India" Atmos. Meas. Tech., 9, 711-719, 2016, DOI:10.5194/amt-9-711-2016, 2016.

    49. V.Choithani,....Som Sharma et al., "Study of temporal and spectral characteristics of the X-ray emission from solar flares" Research in Astronomy and Astrophysics, v. 16(1), p 121(1)-16, 2016.

    50. H. Chandra, R. G Rastogi, Som Sharma et al., "Equatorial Electrojet in the Indian region during the geomagnetic storm of 13-14 November 1998", Journal of Earth System Science, 125, No. 3, 669-675, 2016.

    51. Som Sharma et al.,"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 (2015) 67:104, DOI 10.1186/s40623-015-0258-3, 2015.

    52. Som Sharma et al., "Long term changes in the ionosphere over Indian low latitudes: Impact of greenhouse gases", J. Atmos. Solar Terr. Phys., Vol, 128, pp 24-32, 2015.

    53. Som Sharma et al., "Evaluation of Cloud Base Height measurement from Ceilometer CL31 and MODIS satellite over Ahmedabad, India: Preliminary results" Atmospheric Measurement Technique Discussion,doi:10.5194/amtd-8-1-2015.

    54. Som Sharma et al., "Study of the Sporadic E layer over Ahmedabad during high and low sunspot activity years" Asian J. Phys., Vol. 24, No 6, 2015.

    55. P. Kumar, B. P. Shukla, Som Sharma, et al., "A high resolution simulation of catastrophic rainfall over Uttarakhand, India", Natural Hazards, DOI 10.1007/s11069-015-2013-2, 2015

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

    57. Som Sharma et al., "Investigations of Mesospheric Temperature Inversions over Subtropical Location using Lidar and Satellites Measurements" J. Atmos. Solar Terr. Phys., 2015, DOI 10.1016/j.jastp.2015.12.2007, 2015.

    Click here to download radar data used for VWN Spectra.