All Stories

  1. New Insights into the Convective System Characteristics Over the Indian Summer Monsoon Region Using Space-Based Passive and Active Remote Sensing Techniques†

    Article • IETE Technical Review, April 2019, Taylor & Francis

    kishore kumar karanam, Mr Kandula V Subrahmanyam

  2. Local Time Dependence of the Thermal Structure in the Venusian Equatorial Upper Atmosphere: Comparison of Akatsuki Radio Occultation Measurements and GCM Results

    Article • Journal of Geophysical Research Planets, September 2018, American Geophysical Union (AGU)

    kishore kumar karanam

  3. Impact of Sudden Stratospheric Warming of 2009 on the Equatorial and Low-Latitude Ionosphere of the Indian Longitudes: A Case Study

    Article • Journal of Geophysical Research Space Physics, October 2017, Wiley

    kishore kumar karanam

  4. Mesosphere and lower thermosphere zonal wind variations over low latitudes: Relation to local stratospheric zonal winds and global circulation anomalies

    Article • Journal of Geophysical Research Atmospheres, May 2014, American Geophysical Union (AGU)

    kishore kumar karanam

  5. A discussion on the methods of extracting gravity wave perturbations from space‐based measurements

    Article • Geophysical Research Letters, May 2013, American Geophysical Union (AGU)

    kishore kumar karanam

  6. First observations of quasi 120 day oscillation in Mesospheric winds and temperature: Observations inferred from Meteor Radar

    Article • Radio Science, May 2013, American Geophysical Union (AGU)

    kishore kumar karanam

  7. Delayed effects of annular solar eclipse of 15 January 2010 on the tropospheric and lower stratospheric winds along the eclipse path

    Article • Atmospheric Research, March 2013, Elsevier

    kishore kumar karanam, Mr Kandula V Subrahmanyam

  8. Aura-MLS Observations of Water Vapor Entering the Stratosphere over the Northern Bay of Bengal and East Equatorial Indian Ocean

    Article • Terrestrial Atmospheric and Oceanic Sciences, January 2013, Chinese Geoscience Union

    kishore kumar karanam

  9. The concept of wave‐turbopause layer and its signature in the global mesosphere‐lower thermospheric gravity wave activity

    Article • Journal of Geophysical Research Atmospheres, October 2012, American Geophysical Union (AGU)

    kishore kumar karanam

  10. Variability in tropopause height and its temperature on different time scales: An observational study over Banqiao, Taiwan

    Article • Journal of Atmospheric and Solar-Terrestrial Physics, June 2012, Elsevier

    kishore kumar karanam

  11. A discussion on the assumption of ambipolar diffusion of meteor trails in the Earth’s upper atmosphere

    Article • Monthly Notices of the Royal Astronomical Society Letters, May 2012, Oxford University Press (OUP)

    kishore kumar karanam, Mr Kandula V Subrahmanyam

  12. TIMED/SABER observations of global gravity wave climatology and their interannual variability from stratosphere to mesosphere lower thermosphere

    Article • Climate Dynamics, March 2012, Springer Science + Business Media

    kishore kumar karanam

  13. Variability of mesopause temperature derived from two independent methods using meteor radar and its comparison with SABER and EOS MLS and a collocated multi-wavelength dayglow photometer over an equatorial station, Thumba (8.5° N, 76.5° E)

    Article • International Journal of Remote Sensing, February 2012, Taylor & Francis

    kishore kumar karanam

  14. Meteor radar observations of short-term variability of quasi 2 day waves and their interaction with tides and planetary waves in the mesosphere–lower thermosphere region over Thumba (8.5°N, 77°E)

    Article • Journal of Geophysical Research Atmospheres, August 2011, American Geophysical Union (AGU)

    kishore kumar karanam, Mr Kandula V Subrahmanyam

  15. Meteor radar measurements of MLT winds near the equatorial electro jet region over Thumba (8.5° N, 77° E): comparison with TIDI observations

    Article • Annales Geophysicae, July 2011, Copernicus GmbH

    kishore kumar karanam, Mr Kandula V Subrahmanyam

  16. New insights into the stratospheric and mesosphere-lower thermospheric ozone response to the abrupt changes in solar forcing

    Article • Annales Geophysicae, June 2011, Copernicus GmbH

    kishore kumar karanam, Mr Kandula V Subrahmanyam

  17. TIMED/SABER observations of global cold point mesopause variability at diurnal and planetary wave scales

    Article • Journal of Geophysical Research Atmospheres, June 2011, American Geophysical Union (AGU)

    kishore kumar karanam

  18. VHF radar observed characteristics of convectively generated gravity waves during wet and dry spells of Indian summer monsoon

    Article • Journal of Atmospheric and Solar-Terrestrial Physics, May 2011, Elsevier

    kishore kumar karanam

  19. Simultaneous observations of SAO and QBO in winds, temperature and ozone in the tropical middle atmosphere over Thumba (8.5°N, 77°E)

    Article • Climate Dynamics, January 2011, Springer Science + Business Media

    kishore kumar karanam

  20. MST radar investigation on inertia-gravity waves associated with tropical depression in the upper troposphere and lower stratosphere over Gadanki (13.5°N, 79.2°E)

    Article • Journal of Atmospheric and Solar-Terrestrial Physics, October 2010, Elsevier

    kishore kumar karanam

  21. Seasonal and diurnal variation of convective available potential energy (CAPE) using COSMIC/FORMOSAT‐3 observations over the tropics

    Article • Journal of Geophysical Research Atmospheres, February 2010, American Geophysical Union (AGU)

    kishore kumar karanam

  22. Reply to comment by R. Dhanya and S. Gurubaran on “Initial results from SKiYMET meteor radar at Thumba (8.5°N, 77°E): 1. Comparison of wind measurements with MF spaced antenna radar system”

    Article • Radio Science, September 2009, American Geophysical Union (AGU)

    kishore kumar karanam

  23. Retrieval of static stability parameter from the radiosonde/rawinsonde ascent rate profiles: a wavelet approach

    Article • Annales Geophysicae, February 2009, Copernicus GmbH

    kishore kumar karanam

  24. Meteor wind radar observations of tidal amplitudes over a low-latitude station Trivandrum (8.5°N, 77°E): Interannual variability and the effect of background wind on diurnal tidal amplitudes

    Article • Journal of Atmospheric and Solar-Terrestrial Physics, December 2008, Elsevier

    kishore kumar karanam

  25. Diurnal variability of the tropical tropopause: Significance of VHF radar measurements

    Article • Radio Science, November 2008, American Geophysical Union (AGU)

    kishore kumar karanam

  26. 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)

    Article • Geophysical Research Letters, September 2008, American Geophysical Union (AGU)

    kishore kumar karanam

  27. Meteor radar observations of short‐term tidal variabilities in the low‐latitude mesosphere‐lower thermosphere: Evidence for nonlinear wave‐wave interactions

    Article • Journal of Geophysical Research Atmospheres, August 2008, American Geophysical Union (AGU)

    kishore kumar karanam

  28. Meteor wind radar observations of gravity wave momentum fluxes and their forcing toward the Mesospheric Semiannual Oscillation

    Article • Journal of Geophysical Research Atmospheres, May 2008, American Geophysical Union (AGU)

    kishore kumar karanam

  29. Quantification of gravity wave forcing in driving the stratospheric Quasi‐Biennial Oscillation

    Article • Geophysical Research Letters, May 2008, American Geophysical Union (AGU)

    kishore kumar karanam

  30. Initial results from SKiYMET meteor radar at Thumba (8.5°N, 77°E): 1. Comparison of wind measurements with MF spaced antenna radar system

    Article • Radio Science, December 2007, American Geophysical Union (AGU)

    kishore kumar karanam

  31. Initial results from SKiYMET meteor radar at Thumba (8.5°N, 77°E): 2. Gravity wave observations in the MLT region

    Article • Radio Science, December 2007, American Geophysical Union (AGU)

    kishore kumar karanam

  32. Temperature profiles in the MLT region using radar‐meteor trail decay times: Comparison with TIMED/SABER observations

    Article • Geophysical Research Letters, August 2007, American Geophysical Union (AGU)

    kishore kumar karanam

  33. A quantitative study on the role of gravity waves in driving the tropical Stratospheric Semiannual Oscillation

    Article • Journal of Geophysical Research Atmospheres, June 2007, American Geophysical Union (AGU)

    kishore kumar karanam

  34. On the tropospheric origin of Mesosphere Lower Thermosphere region intraseasonal wind variability

    Article • Journal of Geophysical Research Atmospheres, April 2007, American Geophysical Union (AGU)

    kishore kumar karanam

  35. VHF radar investigations on the role of mechanical oscillator effect in exciting convectively generated gravity waves

    Article • Geophysical Research Letters, January 2007, Wiley

    kishore kumar karanam

  36. L band wind profiler observations of convective boundary layer over Gadanki, India (13.5°N, 79.2°E)

    Article • Radio Science, March 2006, American Geophysical Union (AGU)

    kishore kumar karanam

  37. VHF radar observations of convectively generated gravity waves: Some new insights

    Article • Geophysical Research Letters, January 2006, American Geophysical Union (AGU)

    kishore kumar karanam

  38. VHF radar observations of weak echo regions in tropical mesoscale convective systems

    Article • Geophysical Research Letters, May 2005, American Geophysical Union (AGU)

    kishore kumar karanam