Journal Publications -2008

01
Misra, A., Jayaraman A. and Ganguly D., Validation of MODIS derived Aerosol Optical Depth over Western India , J Geophys. Res., vol.113, D04203, doi:10.1029/ 2007JD009075, 2008
02
S. Sridharan, T. Tsuda, T. Nakamura, and T. Horinouchi, :The 5-8-day Kelvin and Rossby waves in the tropics as revealed by ground and satellite-based observations, J. Meteor. Soc. Jpn., 86, 43-55, 2008
03
Chenna Reddy, K.,Venkata Phani Kumar, D., and Yellaiah, G.:"Geminid Meteor shower activity 2003჻ as observed by Gadanki radar", Planet. Space Sci., doi:10.1016/j.pss.2008.01.005, 2008.
04
Patra, A. K., T. Yokoyama, Y. Otsuka, and M. Yamamoto, Daytime 150-km echoes observed with the Equatorial Atmosphere Radar in Indonesia: First results, Geophys. Res. Lett., 35, L06101, doi:10.1029/2007GL033130, 2008
05
Venkateswara Rao, N., A. K. Patra, and S. V. B. Rao, Some new aspects of low-latitude E-region QP echoes revealed by Gadanki radar: Are they due to Kelvin-Helmholtz instability or gravity waves?, J. Geophys. Res., 113, A03309, doi: 10.1029/2007JA012574, 2008.
06
Das, S.K., A. Jayaraman and A. Misra, Fog-induced variations in aerosol optical and physical properties over the Indo-Gangetic Basin and impact to aerosol radiative forcing, Ann. Geophys., 26, 1345–1354, 2008
07
Venkateswara Rao, N., A. K. Patra, T. K. Pant, and S. V. B. Rao, Morphology and seasonal characteristics of low latitude E-region quasiperiodic echoes studied using large database of Gadanki radar observations, J. Geophys. Res., 113, A07312, doi:10.1029/2007JA012830, 2008
08 Gadhavi, H., R. T . Pinker, and I. Laszlo (2008), Estimates of surface ultraviolet radiation over North America using Geostationery Operational environmental satellites observations, J. Geophys. Res., 113, D21205, doi: 10.1029/2007JD009308, 2008.
09 M Rajeevan, Jyoti Bhate and A.K.Jaswal, Analysis of variability and trends of extreme rainfall events over India using 104 years of gridded daily rainfall data, Geophysical Research Letters, Vol.35, L18707, doi 10.1029/2008GL035143, 2008
10 M. Rajeevan and Latha Sridhar, Inter-annual relationship between Atlantic Sea Surface Temperature anomalies and Indian summer monsoon, Geophysical Research Letters, doi 10.1029/2008GL036025, 2008
11 R.K.Yadav, K.Rupa Kumar and M. Rajeevan, Climate change scenarios for northwest India winter season, Quaternary International. DOI 10.1016/j.quaint.2008.09.012, 2008
 12 Summer-time nocturnal wave characteristics in mesospheric OH and O2 airglow emissions’, A. Guharay, A. Taori and M. Taylor Earth Planet and Space, 60, 973-979, 2008
 13 Sridharan,S., P. Vishnu Prasanth, and Y. Bhavani Kumar: A report on long-term trends and variabilities in middleatmospheric temperature over Gadanki(13.51N, 79.21E). Journal of Atmospheric and Solar-Terrestrial Physics (2008),doi:10.1016/ j.jastp.2008.09.017
 14 Sridharan, S., and S. Sathishkumar: Seasonal and interannual variations of gravity wave activity in the low-latitude mesosphere and lower thermosphere over Tirunelveli (8.7° N, 77.8° E), Annales Geophysicae, 26, 3215-3223, 2008
 15 Niranjan Kumar, K., and T K Ramkumar, Characteristics of inertia-gravity waves over Gadanki during the passage of a deep depression over the Bay of Bengal, Geophys. Res. Lett., VOL. 35, L13804, doi:10.1029/2008GL033937, 2008
 16 Mehta, S. K., B. V. K. Murthy, D. N. Rao, M. V. Ratnam, K. Parameswaran, K. Rajeev, C. S. Raju, and K. G. Rao (2008),Identification of tropical convective tropopause and its association with cold point tropopause,J. Geophys. Res., 113, D00B04, doi:10.1029/2007JD009625
 17 T. V. Chandrasekhar Sarma, D. Narayana Rao, J. Furumoto, and T. Tsuda Development of radio acoustic sounding system (RASS) with Gadanki MST radar – first results, Annales Geophysicae, 26, 2531–2542, 2008
 18 Venkat Ratnam, M., A. Narendra Babu, V. V. M. Jagannadha Rao, S. Vijaya Bhaskar Rao, and D. Narayana Rao (2008), MST radar and radiosonde observations of inertia-gravity wave climatology over tropical stations: Source mechanisms, J. Geophys. Res., 113, D07109, doi:10.1029/2007JD008986
 19 Narendra Babu, A., K. Kishore Kumar, G. Kishore Kumar, M. Venkat Ratnam, S. Vijaya Bhaskara Rao, and D. Narayana Rao (2008), Long-term MST radar observations of vertical wave number spectra of gravity waves in the tropical troposphere over Gadanki (13.5oN, 79.2oE): comparison with model spectra, Ann. Geophys., 26, 1671–1680
 20 Kishore Kumar, G., M. Venkat Ratnam, A. K. Patra, V. V. M. Jagannadha Rao, S. Vijaya Bhaskar Rao, K. Kishore Kumar, S. Gurubaran, G. Ramkumar, and D. Narayana Rao (2008), Low-latitude mesospheric mean winds observed by Gadanki mesosphere-stratosphere-troposphere (MST) radar and comparison with rocket, High Resolution Doppler Imager (HRDI), and MF radar measurements and HWM93, J. Geophys. Res., 113, D19117, doi:10.1029/2008JD009862
 21 Roja Raman, M., V. V. M. Jagannadha Rao, M. Venkat Ratnam, G. Kishore Kumar, A. Narendra Babu, S. Vijaya Bhaskara Rao, N. Prabhakara Rao, and D. Narayana Rao (2008), Atmospheric circulation during active and break phases of Indian summer monsoon: A study using MST radar at Gadanki (13.5oN, 79.2oE), J. Geophys. Res., 113, D20124, doi:10.1029/2008JD010341
 22 Venkat Ratnam, M., G. K. Kumar, B. V. K. Murthy, A. K. Patra, V. V. M. J. Rao, S. V. B. Rao, K. K. Kumar, and G. Ramkumar (2008), Long-term variability of the low latitude mesospheric SAO and QBO and their relation with stratospheric QBO, Geophys. Res. Lett., 35, L21809, doi:10.1029/2008GL035390
 23 Patra, A.K., Some aspects of electrostatic coupling between E and F regions relevant to plasma irregularities: A review based on recent observations, J. Atmos. Solar Terr. Phys., 70, 2159– 2171, 2008
 24 Chandra, H., H. S. S. Sinha, U. Das, R. N. Misra, S. R. Das, J. Datta, S. C. Chakravarty, A. K. Patra, N. Venkateswara Rao, and D. Narayana Rao, First mesospheric turbulence study using coordinated rocket and MST radar measurements over Indian low latitude region, Ann. Geophys., 26, 2725–2738, 2008
 25 Sripathi, S., S. Bose, A. K. Patra, T. K. Pant, B. Kakad, and A. Bhattacharyya, Simultaneous observations of ESF irregularities over Indian region using radar and GPS, Ann. Geophys., 26, 3197–3213, 2008
 26 Phanikumar, D. V., A. K. Patra, C. V. Devasia, and G. Yellaiah, Seasonal variation of low-latitude E-region plasma irregularities studied using Gadanki radar and onosonde, Ann. Geophys., 26, 1865–1876, 2008
 27 Das, S. S., A. K. Patra, and D. Narayana Rao, VHF radar echoes in the vicinity of tropopause during the passage of tropical cyclone: First observations from the Gadanki MST radar, J. Geophys. Res., 113, D09113, doi:10.1029/2007JD009014, 2008
 28 V.K. Anandan, M. Shravan Kumar and I. Srinivasa Rao , First Results of Experimental Tests of newly developed NARL Phased Array Doppler Sodar, J. Atom. Oce. Tech., 25 (10), 1778-1784, 2008
 29 V. K. Anandan, I. Srinivasa Rao, and P. Narasimha Reddy, A Study on Optimum Tilt Angle for Wind Estimation Using Indian MST Radar, J. Atom. Oce. Tech., 25 (9), 1579-1589, 2008
 30 G. Kishore Kumar, M. Venkat Ratnam, A. K. Patra, S. Vijaya Bhaskar Rao, and James Russell, 2008, Mean thermal structure of the low latitude middle atmosphere observed using Gadanki Rayleigh Lidar, Rocket and SABER/TIMED observations, Journal of Geophysical Research, VOL. 113, D23106, doi:10.1029/2008JD010511
 31 Rao, T. N., J. Arvelius and S. Kirkwood, Climatology of tropopause folds over a European Arctic station – ESRANGE, J. Geophys. Res., 113, D00B03, doi:10.1029/2007JD009638, 2008.
 32 Rao, T. N., K. N. Uma, D. N. Rao, and S. Fukao, Understanding the transportation process of tropospheric air entering the stratosphere from direct vertical air motion measurements over Gadanki and Kototabang, Geophys. Res. Lett., 35, L15805, doi:10.1029/2008GL034220, 2008
 33 Rao, T. N., B. Radhakrishna, R. Srivastava, T. M. Satyanarayana, D. N Rao, and R. Ramesh, Inferring microphysical processes occurring in mesoscale convective systems from radar measurements and isotopic analysis, Geophys. Res. Lett., 35, L09813, doi:10.1029/2008GL033495, 2008
 34 Rao, T. N., N.V.P. Kirankumar, B. Radhakrishna, D. N. Rao and K. Nakamura, Classification of tropical precipitating systems using wind profiler spectral moments. Part I: Algorithm description and validation, J. Atmos. Oceanic Tech., 25, 884-897, 2008
 35 Rao, T. N., N.V.P. Kirankumar, B. Radhakrishna, D. N. Rao and K. Nakamura, Classification of tropical precipitating systems using wind profiler spectral moments. Part II: Statistical characteristics of rainfall systems and sensitivity analysis, J. Atmos. Oceanic Tech., 25, 898-908, 2008
 36 Kirankumar, N.V.P., Rao, T. N., B. Radhakrishna, D. N. Rao, Stastical characteristics of raindrop size distribution in southwest monsoon season, J. Appl. Meteorol. & Climatol., 47, 576 – 590, 2008
 37 Sridharan, S., S. Sathishkumar and S. Gubuaran, (2008): Influence of gravity waves and tides on mesospheric temperature inversion layers: simultaneous Rayleigh lidar and MF radar observations, Ann. Geophys., 26, 3731–3739
 38 R. Sekar, D. Chakrabarty, R. Narayanan, and A. K. Patra (2008), Equatorial Spread F structures and associated airglow intensity variations observed over Gadanki, Ann. Geophys., 26, 3863–3873
 


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