UGC-SVU Centre for MST Radar Applications ANNUAL REPORT

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1 UGC-SVU Centre for MST Radar Applications Sponsored by University Grants Commission New Delhi ANNUAL REPORT Co-ordinator Prof.M. Krishnaiah Department of Physics, Sri Venkateswara University Tirupati

2 UGC-SVU Centre For MST Radar Applications MST Radar, Lidar and other colocated facilities are established as a major National facility at Gadanki, 35 kilometers off Tirupati. The availability of such a front line, state of the art instrumentation in close proximity to S. V. University offers an excellent scope and opportunity for research in the area of Atmospheric Sciences. To make best use of these facilities, S. V. University has taken a lead role in creating UGC SVU Centre for MST Radar Applications devoted to atmospheric sciences. UGC SVU Centre provides all the support in formulating and conducting the experiments, data processing facility and data analysis and interpretation of the results. UGC SVU Centre in collaboration with National Atmospheric Research Laboratory (NARL) formerly known as NMRF conducts winter schools, user scientists workshops, National/International conferences etc. UGC-SVU Centre provides travel assistance, literature support etc. UGC SVU Centre serves as a common platform for the University system in India for the exchange of scientific knowledge and with the following aims and objectives: UGC SVU Centre is accessible to scientists and researchers from Indian Universities working in the area of Atmospheric Sciences especially with reference to MST Radar related area. UGC SVU Centre provides necessary facilities for research and basic computational and other support for carrying out such research. UGC SVU Centre provides a forum for exchange visits in the area of Atmospheric Science so that the Indian Atmospheric Scientific Community will benefit from such co- operation. UGC SVU Centre helps in training postgraduate students and research fellows in a number of challenging tasks in the thrust areas of Atmospheric Physics. UGC SVU Centre helps in co-ordinating the experimental programme in the area of Atmospheric Dynamics using MST Radar and other collocatable instrumentation facilities with special reference to the location of these facilities.

3 UGC SVU Centre organizes a comprehensive National data bank/archivals in specified areas of Atmospheric Sciences especially out of the large volume of processed data obtained from MST Radar and other collocated facilities. UGC SVU Centre helps in the generation and updating models for the middle atmosphere over Indian latitudes. Use of such models and data in turn will help in forecasting and prediction by IMD and other concerned national organizations. Workshops / Conferences organized 1. School on Radar and Lidar Remote Sensing of the atmosphere (RALID-2k7) during 7-11th March 2007 (participants- 92 ) th International Workshop on Technical and Scientific aspects of MST Radar during 11-15th December 2006.(participants-46). 3. Two day workshop on Lidar during 20-21st November Eighth User Scientists Workshop during June Degrees awarded / submitted during S.No Name of the Title of the Student Thesis Name of the Year of University Award 1 SVU & NARL 2 3 Name/s of the Research Supervisor(s) S. Sripathi VHF Radar Prof. P. B. Studies of ERao region plasma and irregularities at Dr. S. V. B. low latitude Rao G. Mrudula Studies on the Characteristics Prof. K. of Troposphere Mohan and lower Kumar Stratosphere associated with the passage of tropical cyclones Siddarth Studies on the Prof. D. N. Shankar Das Characteristics Rao of atmospheric And stable and Dr. A.R. Jain turbulent layers using UHF and VHF radars in 2006 Cochin University 2006 of Science and Technology, Cochin NARL, Gadanki 2006

4 site ballon measurements U. Jayaprakash Rayleigh Lidar Raju Studies of middle Prof.M. atmosphere Krishnaiah C.Nageswara Rayleigh Lidar Prof.M. Raju Studies of Middle Krishnaiah Atmosphere, aerosols and cirrus clouds. N.V.P. Kiran Studies on Prof. D. N. Kumar Trophical Rao precipitating systtems using VHF & UHF Radars A. Narendra General Prof. D. N. Babu Atmospheric Rao circulations and gravity wave studies using Indian MST Radar and Radio Sonde observations. P.Vishnu Broad band Prof. D. N. Prashanth Resonance Lidar Rao studies of Mesospheric Sodium at a tropical station. G. Kishore Climatology of Dr. S.V.B. Kumar Low Latitude Rao meospheric echoes using MST Radar S. V. University 2007 S. V University S. V University & NARL S. V University Thesis submitted S. V University Synopsis & submitted NARL S.V University M.Phil Papers published/accepted during

5 1. A resonance lidar system for mesospheric sodium measurements, Y. Bhavani Kumar, Narayana Rao, D., Sundara Murthy, M. and M. Krishnaiah, J.Opt.Eng., 2007(in press). 2. Indegenously developed micro pulse lidar observations of Atmospheric Boundary Layer(ABL) over a tropical rural site Gadanki. Y. Bhavani Kumar, Narayana Rao, D., Sundara Murthy, M. M. Krishnaiah and V.S.Murthy. Adv.Atm Sci., 2007 (in press). 3. Portable developed Micro-Pulse Lidar observations of lower atmospheric aerosol over a tropical rural site, Gadanki. Y. Bhavani Kumar, Narayana Rao, D., Sundara Murthy, M. and M. Krishnaiah. Adv.Atm Sci, 2007(in press). 4. Indo-Japanese Lidar Observations of the Tropical Middle Atmosphere during 1998 &1999. Y. Bhavani Kumar, C. Nageswara Raju, and M. Krishnaiah, Advances in Atmospheric Sciences, Vol. 23, NO.5, 2006, Climatology of Low-latitude mesospheric Echoes using Indian MST Radar, J. Geophys. Res., vol. 112, D06109, 2007., G. Kishore Kumar, M. Venkat Ratnam, A. K. Patra, V.V.M. Jagannadha Rao, S.V.B. Rao and D.N. Rao. 6. Observational evidences on the influences of tropical lower atmosphereic 20 day oscillation on the ionospheric equatorial electrojet T.K. Ramkumar, Y. Bhavani Kumar, D. Narayana Rao, S. Gurubaran, A. Narendra Babu,A.K. Ghosh and Rajaram, JASTP (Journal of Atmosphere & Solar Terrestrial Physics, vol.68, , Studies on winds and momentum fluxes using UHF radar observation over Gadanki (13.5 N, 79.2 E) D. Narayana Rao, B. Vasantha, N.V.P. Kiran Kumar, I.V. Subba Reddy Annales GeoPhysicae, (In Press). 8. Turbulence Studies using UHF radar observations over Gadanki (13.5 N, 79.2 E) D. Narayana Rao, B. Vasantha, N.V.P. Kiran Kumar and I.V.Subba Reddy, Annales GeoPhysicae, (In Press). 9. Anamolous wind circulation observed during 1997/98 ε1 Nino using Indian MST Radar V.V.M. Jaganadha Rao, A. Narendra Babu, S. Vijaya Bhaskara Rao and D. Narayana Rao, Journal of Applied Meteorology &Climatology, (In Press) 10. Rayleigh Lidar observations of planetary waves in the middle atmosphere over Gadanki (13.50 N,79.20E) P. Kishore, S.P. Namboothiri, K. Igarashi, K. Siva Kumar, S. Thulasiraman, I.V. Subba Reddy, K. Mizutani, D. Narayana Rao, S. Vijaya Bhaskara Rao and Y. Bhavani KumarJ.Atmos. Solar.Terr.Phys., Vol.68,pp , Wind Profiler radar for understanding the tropical convective boundary layer during different seasons K. Krishna Reddy, Toshiaki Kozu and D. Narayana Rao, Indian Journal of Radio and Space Physics, Vol.35,pp , 2006.

6 12. Indo-Japanese Lidar Observations of tropical middle atmosphere during 1998 and 1999 Bhavani Kumar Y., C. Nageswara Raju and M. Krishnaiah, Advances in atmospheric Sciences, 2006 (Vol. 23,5,2006, ). 13. Frequency spectra of vertical velocities observed over a low latitude by Indian MST Radar Jagannatha Rao, D. Narayana Rao, I.V. Subba Reddy, M.V. Rathnam and N.V.P. Kiran Kumar Annales Geo.Phy., communicated. 14. Modelling of weighted mean temperature for retrieval of atmospheric water vapour using GPS in the Indian region, A. Maitra and T. Rakshit Ghosh, Indian Journal of Radio & Space Physics, 2006 under review. 15. Studies on rain parameters using propagation measurements and TRMM data at a tropical location, A.Maitra, K. Chakravarty, S. Bhattacharya, SPIE Symposium on Asia-Pacific Remote Sensing, Goa, India, November Studies on cloud liquid water content at a tropical location, A. Maitra, A. Bhattacharjee, K. Chakravarty and T. Rakshit Ghosh, Abstracts XIV National Space Science Symposium, Visakhapatnam, February 9-12, 2006, p Propagation studies over an earth-space path at Ku-band in the Indian region, A. Maitra and K. Chakravarty, Abstracts XIV National Space Science Symposium, Visakhapatnam, Feb 9-12, 2006, p. 33. Publications list of S. K. Dhaka during Study of temporal variation of equatorial tropopause due to atmospheric waves in CPEA Campaign 2004 at Koto Tabang, Indonesia, (in press), Advances in Geo Sciences Vol 11, WSPC, Singapore, (2007), S. K. Dhaka, R. Bhatnagar, Y. Shibagaki, S. Fukao, T. Kozu, V. Malik, S. Malik, and A. Dutta. Influence of gravity waves on fog structure revealed by a millimeter-wave scanning Doppler radar, J. Geophys. Res. (Atmosphere), Vol 11, D07207, doi: /2005jd006648, (2007), A. Uematsu, H. Hashiguchi, M. K. Yamamoto, S. K. Dhaka, and S. Fukao. Equatorial Atmosphere Radar observations of short vertical wavelength gravity waves in the upper troposphere and lower stratosphere region induced by localized convection, Geophys. Res. Lett. 33, L19805, d0.1029/2006 GL (2006), S.K. Dhaka, M. K. Yamamoto, Y. Shibagaki, H. Hashiguchi, S. Fukao, and H. -Y. Chun.

7 Papers presented in International Conferences: 1. Observations of short vertical wavelength gravity waves in the upper troposphere and lower stratosphere during convection over Indonesia using the Equatorial Atmosphere Radar (0.20 S, E), S.K. Dhaka, V. Malik, Y. Shibagaki, M.K. Yamamoto, H. Hashiguchi, and S. Fukao, paper presented at Eleventh International Workshop (MST11) on Technical and Scientific Aspects of MST Radar at National Atmospheric Research Laboratory (NARL), Gadanki, Tirupati. India, December 11-16, (2006). 2. Large scale variation in observed convective available potential energy (CAPE) over Chennai, Kolkata, and Delhi using radiosonde, S.K. Dhaka, Vivek Panwar, Rupali Sapra, and Rangoli Bhatnagar, paper presented at Eleventh International Workshop (MST11) on Technical and Scientific Aspects of MST Radar at National Atmospheric Research Laboratory (NARL), Gadanki, Tirupati. India, December 11-16, (2006). Publications list of G. Ellaiah during Visual Observations of Geminid meteor shower 2004 K. Chenna Reddy, D. Venkata Phani kumar.d, and G. Yellaiah, Bulletin of Astronomical Society of India (2006) Radar Observations of Leonid Meteor Shower 2003 Devulapalli Venkata Phani kumar, Kammadhanam Chenna Reddy, and Ganji Yellaiah, Astrophysics Space Sci (2006) 306: MST radar observations of Perseid meteor shower 2004 Venkata Phani kumar.d, Chenna Reddy.K, and Yellaiah.G, Bulletin of Astronomical Society of India (2006) Presented three papers (oral and poster presentations) in National Space Science Symposium (NSSS- 2006) held during 9-12, February at Vizag, India. Publications list of Dr. Rajesri Sen Jaiswal during Paper titled, Study of Radio wave Propagation over Gadanki accepted in National Space science Symposium, Andhra University, Paper titled, Study of Z-R relation over Gadanki presented in MST-11, Gadanki, Paper titled, Study of Rainfall in relation to meteorological elements accepted in AOGS, Bangkok, July, 2007.

8 Paper titled, rainfall statistics over India accepted in MSMW, Ukraine, June, Paper titled, Study of rain attenuation: models proposed and measurements-a review accepted in International Astronautical Congress, Hydrabad,Sept.,2007. Paper titled, Estimation of cross-polarization due to rain over some stations in India has been accepted for publication in IJRSP. Paper titled, Radio Wave Propagation over Salem has been accepted for publication in American Institute of Physics Proceeding, Publications list of N. Srinivas during Application of heterogeneous mesospheric ion-chemistry model to MST radar echoes over low latitude : NSrinivas, BSNPrasad, Jayati Datta and S C Chakravarty: Accepted for publication in Adv. Space Res. (UK), May Papers presented in National/International level seminar, symposia 1. A heterogeneous model approach to understand the LMEs: NSrinivas, BSNPrasad,& KNagaraja : Paper presented at the National Space Sci- ence Symposium NSSS-2006 held at Andhra University, Vishakapatnam, India during 9-12 Feb A Heterogeeous Ion-chemical model of the mesosphere and MST radar echoes over low latitude: NSrinivas, Jayati Datta, SCChakravarty & BSNPrasad : Paper presented at the 36th COSPAR International Scienti c Assembly held during 16{23 July 2006 at Beijing Institute of Technology And Beijing Friendship Hotel, Beijing, China. 3. A model study on the role of dust/aerosols in the equatorial mesosphere : N Srinivas, B S N Prasad, Jayati Datta and S C Chakravarty: Paper presented at the MST-11 International Workshop held during 11{ 14 Dec at the National Atmospheric Research Laboratory, Tirupati, India. Universities/Institutions/Colleges of User Scientists availing facilities at UGC-SVU Centre 1. Andhra University, Waltair [AU] 2. Allahabad University, Allahabad [ALU] 3. Barkatullah University, Bhopal [BKU] 4. Burdwan University, Burdwan [BU] 5. Cochin University of Science and Technology, Cochin [CUSAT] 6. Delhi University, Delhi [DU] 7. Dibrugrah University, Dibrugrah [DBU]

9 8. Kurukshetra University, Kurukshetra [KKU] 9. Kerala University, Trivandrum [KU] 10. Mysore University, Mysore [MU] 11. Kohima University, Nagaland [KOU] 12. Osmania University, Hyderabad [OU] 13. Saurashtra University,Rajkot [SU] 14. S.V.University, Tirupati [SVU] 15. S.K.University, Ananthapur [SKU] 16. Pune University, Pune [PU] 17. University of Roorkee, Roorkee [RU] 18. University of Hyderabad, Hyderabad [HCU] 19. Indian Statistical Institute, Calcutta 20. M.N.Saha Center for Space Studies 21. Sona College of Technology, Selam 22. Vasavi Engg. College, Hyderabad 23. JPN College of Engg, Mahaboob Nagar 24. Anwarul-Uloom College, Hyderabad Faculty members, Scientists and Research scholars visited 1. Ms. G. Mrudula,Research Scholar,Dept. of Atmospheric Sciences,Cochin University of Science & Technology,Cochin Mr. S. Abhilash,Research Scholar,Dept. of Atmospheric Sciences,Cochin University of Science &Technology,, Cochin Mr. D. V. Phanikumar,Research Scholar,Dept. of Astronomy,Osmania University, Hyderabad Dr. Rajasri Sen Jaiswal,Asst. Professor,Dept. of Physics,Sona College of Technology, Salem Dr. D. Pramod,Dept. of Physics,Rajdhani College,University of Delhi,New Delhi Dr. P. Venkateswara Rao,Asst. Professor,Vasavi College of Engineering,Hyderabad 7. Dr. Gopadutta,,Reader,Dept. of Physics,Anwarul-Uloom College,New Mallepally, Hyderabad Dr. M. C. Ajay Kumar,Asst. Professor, JPN College of Engineering,Mahaboob Nagar 9. Prof. B. Lokanadham,Dept. of Astronomy, Osmania University,Hyderabad Dr. P.Pal,Asst. Professor,Electronics & Communications,Sciences Unit,Indian Statistical Institute, Calcutta Dr. Abhik Mukherjee,Lecturer,Dept. of Computer Science &Technology,Bengal Engg. College, Calcutta Mr. P. Vinay Kumar,Research Scholar,Dept. of Physics,Anwarul-Uloom College,Hyderabad Mr. Niraj Pandya,Research Scholar,Dept. of Physics,Saurashtra University,Rajkot

10 14. Mr. V. Hamza,Research Scholar,Dept. of Atmospheric Sciences,Cochin University of Science &Technology, Cochin Ms. Dhanya lakshmi,dept. of Atmospheric Sciences,Cochin University of Science & Technology, Cochin Dr. R. S. Yadav,Lecturer,Dept. of Electronics,University of Allahabad,Allahabad Dr. G. Yellaiah,Dept. of Astronomy,Osmania University,Hyderabad Mr. K. Chenna Reddy,Dept. of Astronomy, Osmania University, Hyderabad Ms. K. Sreedevi,Research Scholar,School of Physics,University of Hyderabad,Hyderabad Ms. P. Geetha,Research Assistant,Dept. of Physics,Sona College of Technology,Salem Mr. Krishna Chandra Srivastava,Research Scholar,M. N. Saha Centre of Space Studies,University of Allahabad, Allahabad Dr. M.K.A. Afsar,Lecturer,Dept. of Physics,Anwarul-Uloom College,Hyderabad Mr. O. Raghavendra Prasad,Research Scholar,Dept. of Physics, Anwarul Uloom College,Hyderabad Mr. V. Srinivasa Rao,Research Scholar,Dept. of Physics,Andhra University, Visakhapatnam Prof. B. S. N. Prasad Dept. of Studies in Physics University of Mysore Mysore Ms. A. J. Litta Dept. of Atmospheric Sciences, Cochin University of Science & Technology Cochin Ms. B. Srivani Dept. of Physics Andhra University Visakhapatnam Ms. G. Uma Dept. of Physics Andhra University Visakhapatnam Dr. K. S. Mukarram Lecturer Dept. of Physics Hyderabad Dr. V. Harshavardhan Lecturer Dept. of Physics Vivekananda Degree College, Chevella, R R District 31. Ms. Malini Agarwal, Dept. of Physics, Saurashtra University, Rajkot Mr. P. Vinay kumar Dept. of Physics Hyderabad Dr. Sanjay Malik Senior Lecturer Dept. of Physics Rajdhani College University of Delhi New Delhi Mr. M.S.S.R.K.N. Sarma Dept. of Physics Andhra University Visakhapatnam Mr. V. Sreejith Kumar Dept. of Atmospheric Sciences Cochin University of Science & Technology Cochin Mr. Varun Malik Dept. of Physics Rajdhani College University of Delhi New Delhi Dr. A. Srilakshmi Asst. Professor Vallurupalli Nageswara Vignana Jyothi Institute of Engg. & Technology Hyderabad Mr. Vivek Panwar Dept. of Physics Rajdhani College University of Delhi New Delhi Mr. S. Ranganathan Dept. of Meteorology & Oceanography Andhra University Visakhapatnam

11 40. Dr. M. Satyanarayana Raju Scientist INSAT Master Control Facility PO Box No.66, Dept. of Space Govt. of India Hassan Dr. (Mrs.) Ramani Dept. of Physics Bangalore University Bangalore Dr. C. A. Babu Reader, Dept. of Atmospheric Sciences, Cochin University of Science &Technology Cochin Research Activities to be carried out in the next one year by S.V.University Group PRECIPITATION STUDIES USING INDIAN MST Radar, LAWP, DISDROMETER & TRMM BOUNDARY LAYER STUDIES USING BOUNDARY LAYER RADAR STUDIES ON RAIN ATTENUATION AND MOBILE COMMUNICATIONS LIDAR STUDIES BY ANDHRA UNIVERSITY STUDIES ON GRAVITY WAVES SIMULTANEOUS OBSERVATIONS OF ESF USING MST RADAR AT GADANKI AND HF DOPPLER RADAR AT VISHAKAPATNAM MESOSPHERIC DYNAMICS

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