bhat

Source: https://caos.iisc.ac.in/bhat/ Parent: https://caos.iisc.ac.in/faculty1/

Education

Professional Career

Brief Profile of Professional Career

• • G S Bhat obtained his B.Tech in Mechanical Engineering from IIT Bombay and Ph.D. from the Department of Aerospace Engineering, IISc.
• • He has carried out laboratory experiments, field experiments over land and ocean, theoretical studies and data analysis.
• • He was the Principal Investigator for the atmospheric component in the three Indian national observational monsoon experiment under the Indian Climate Research Programme (ICRP) viz. the Bay of Bengal Monsoon Experiment (BOBMEX) carried out during July-August 1999, the Arabian Sea Monsoon Experiment (ARMEX, 2002-05), carried out over the west coast of India and Arabian Sea during 2002-2003, and the ongoing Continental Tropical Convergence Zone (CTCZ) experiment (2009-2015).
• • He played a crucial role in planning and execution of BOBMEX, ARMEX and CTCZ.
• • He is the Indian Principal Investigator for the project titled “Interaction of Convective Organization and Monsoon Precipitation, Atmosphere, Surface and Sea (INCOMPASS)” under the MoES (India)-NERC (UK) collaborative research programme on the Variability in the South Asian Monsoon.

Important Publications

• • Akshaya C. Nikumbh, Arindam Chakraborty & G. S. Bhat (2019). Recent spatial aggregation tendency of rainfall extremes over India. Scientific Reports, 9:10321, https://doi.org/10.1038/s41598-019-46719-2.
• • Jayesh Phadtare & G. S. Bhat (2019). Characteristics of deep cloud-systems under weak and strong synoptic forcing during Indian summer monsoon season. Mon. Wea. Rev. DOI: 10.1175/MWR-D-18-0346.1.
• • Fletcher, J., Parker, D. J., Turner, A. Menon A Martin, G. M., Birch, C. E., Mitra, A. K., Mrudula, G., Hunt, K. Taylor, C. M., Houze, R. A., Brodzik, S. R. and Bhat, G. S. (2018) The dynamic and thermodynamic structure of the monsoon over southern India: new observations from the INCOMPASS IOP. Quarterly Journal of the Royal Meteorological Society. ISSN 1477-870X (In Press).
• • Kapil Dev Sindhu and G. S. Bhat, 2018: Characteristics of monsoonal precipitating cloud systems over the Indian subcontinent derived from weather radar data. Quarterly J. Royal Meteorological Society. doi: 10.1002/qj.3328.

• P. N. Vinayachandran, A. J. Mathews, K Vijay Kumar, A. Sanchez-Franks, V. Thushara, J. George, V. Vijith, B. G. M. Webber, Bastien Y. Queste, R. Roy, A.Sarkar, D. B. Baranowski, G. S. Bhat, N. P. Klingaman, S. C. Peatman, C. Parida, B. King, E. C. Kent, A. A. Nayak, C. P. Neema, P. Amol, A. Lotliker, A. Kankonkar, D. G. Gracias, S. Vernekar, A. C. D.Souza, G. Valluvan, S. M. Pargaonkar, K. Dinesh, 2018: BoBBLE (Bay of Bengal Boundary Layer Experiment): Ocean-atmosphere interaction and its impact on the South Asian monsoon. Bull. Amer. Meteor. Soc. doi:10.1175/BAMS-D-16-0230.1.

• • Shailendra Kumar and G. S. Bhat, 2017: Vertical structure of orographic precipitating clouds observed over South Asia during the summer monsoon season. J. Earth System Sic. 126:114, https://doi.org/10.1007/s12040-017-0897-9
• • Winter fog experiment over the Indo-Gangetic plains of India. Ghude, Sachin D.; Bhat, G. S.; Thara Prabhakaran; Jenamani, R. K.;et al. 2017: Current Science, 112, 767-784.
• • G S Bhat and H J S Fernando, 2016: Remotely driven anomalous sea-air heat flux over the North Indian Ocean during the Summer Monsoon season.Oceanography, 29, 232-241
• • Shailendra Kumar, G. S. Bhat 2016: Vertical profiles of radar reflectivity factor in intense convective clouds in the tropics. J. Appl. Meteor. Climatology, 55,1277-1286
• • Wijesekera, H., E. Shroyer, A. Tandon, M. Ravichandran, D. Sengupta, S.Jinadasa, H. Fernando, N. Agrawal, K. Arulananthan, G. S. Bhat, M. Baumgartner,J. Buckley, L. Centurioni, P. Conry, J. Farrar, A. Gordon, V. Hormann, E. Jarosz, T. Jensen, S. Johnston, M. Lankhorst, C. Lee, L. Leo, I. Lozovatsky, A. Lucas, J.Mackinnon, A. Mahadevan, J. Nash, M. Omand, H. Pham, R. Pinkel, L. Rainville, S. Ramachandran, D. Rudnick, S. Sarkar, U. Send, R. Sharma, H. Simmons, K.Stafford, L. St. Laurent, K. Venayagamoorthy, R. Venkatesan, W. Teague, D.Atmosphere Initiative for Bay of Bengal. Bull. Amer. Meteor. Soc. doi:10.1175/BAMS-D-14-00197.1.
• • G. S. Bhat and Shailendra Kumar, 2015:: Vertical structure of cumulonimbus towers and intense convective clouds over the South Asian region during the summer monsoon season, JGR (Atmos) 120, 1710–1722, doi:10.1002/2014JD022552.
• • G.S. Bhat and R. Jagannathan, 2012: Moisture depletion in the surface layer in response to an annular solar eclipse. J. Atmospheric and Solar-Terrestrial Physics, 80, 60–67.
• • R. Narasimhaa, S. S. Diwana, S. Duvvuria, K. R. Sreenivasa and G. S. Bhat, 2011: Laboratory simulations show diabatic heating drives cumulus-cloud evolution and entrainment. PNAS, doi/10.1073/pnas.1112281108.
• • Bhat,G. S., Prashanth L. Rao and V. G. Sangolli, 2010: Atmospheric Boundary-Layer across Hadley and Ferrel Cells over the Indian Ocean. Current Science, 99, 1378-1383.
• • L. Kiranmayi and G. S. Bhat, 2009: Quasi-periodic, global oscillations in sea level pressure on intraseasonal timescales, Climate Dynamics, DOI 10.1007/s00382-008-0413-7.
• • Bhat G. S. and Arunchandra S.C., 2008: Energy Budget over a Land Surface during the Summer Monsoon. J. Earth System Sci. 117, 911–923.
• • G. S. Bhat and R. Narasimha, 2007: Indian summer monsoon experiments, Current Science, 93, 153-164.
• • G. S. Bhat 2006: The Indian drought of 2002: a subseasonal phenomenon?, Q. J. Roy. Meteorol. Soc., 132, 2583-2602.
• • G. S. Bhat 2006: Near surface temperature inversion over the Arabian Sea due to natural aerosols. Geophys. Res.Lett.. 33, L02802, doi:10.1029/2005GL024157.
• • G. S. Bhat, 2005: Convection inhibition energy of the inversion and the suppressed rainfall over the Arabian Sea during July 2002. Mausam (ARMEX Special Issue), 56, 89-96.
• • G. S. Bhat, G. A. Vecchi and S. Gadgil, 2004: Sea Surface Temperature of the Bay of Bengal derived from TRMM Microwave Imager. J. Atmos. Ocean Tech. 21, .1283-1290.
• • Bhat, G. S., 2003: Measurement of air-sea fluxes over the Indian Ocean and Bay of Bengal. J. Climate, 16, 767-775.
• • Bhat, G. S., 2002: Near surface variations and surface fluxes over the North Bay of Bengal during the 1999 Indian Summer Monsoon. J. Geophys. Res., Atmospheres, 107, 4336, 10.1029/2001JD000382.
• • Bhat G. S, S. Gadgil, P. V. Harish Kumar, S. R. Kalsi, Madhusoodanan, V. S. N. Murty, C. V. K. Prasada Rao, V. Ramesh Babu, L. V. G. Rao, R. R. Rao, M. Ravichandran, K. G. Reddy, P. Sanjeeva Rao, D. Sengupta, D. R. Sikka, J. Swain, P. N. Vinayachandran, 2001: BOBMEX – the Bay of Bengal Monsoon Experiment. Bull. Amer. Meteor. Soc., 82, 2217-2243.
• • Gambheer, A. V., and G. S. Bhat, 2001: Diurnal variation of deep cloud systems over the Indian region using INSAT-1B pixel data. Meteorol. Atmos. Phys. 78, 215-225.
• • Gambheer , A. V. and G. S. Bhat, 2000: Life Cycle characteristics of deep cloud systems over the Indian Region Using INSAT-1B Pixel Data. Mon. Wea. Rev., 128, 4071-4083.
• • Venkatakrishnan, L., G. S. Bhat and R. Narasimha, 1999: Experiments on a plume with off-source heating: Implications for cloud fluid dynamics. J. Geophys. Res., 104D, 14271-14281.
• • Bhat, G. S., 1998: The dependence of deep cloud mass flux and area cover on convective and large-scale processes. J. Atmos. Sci., 55, 2993-2999.
• • Bhat, G S and R Narasimha, 1996: A volumetrically heated jet: Large eddy structure and entrainment characteristics. J. Fluid Mech. 325, 303-330
• • Bhat, G S, J Srinivasan and Sulochana Gadgil, 1996: Tropical deep convection, convective available potential energy and sea surface temperature. J. Meteor. Soc. Japan, 74,155-166.

Research Interests

Tropical convection, cloud physics and dynamics, atmospheric boundary layer, laboratory modelling of atmospheric phenomena, field experiments, ocean-atmosphere coupling, intraseasonal variation.

Awards & Recognitions

• • J. C. Bose Fellowship, Department of Sience ad Technology, New Delhi, 2010
• • Prof. Satish Dhawan Young Engineer Award (Earth Sciences) for the year 2006 by the Govt. Karnataka
• • Shanti Swarup Bhatnagar Prize in earth, Atmosphere, Ocean and Planetary Sciences, given by the Council of Scientific & Industrial Research, New Delhi, 2002
• • PRL Award for the year 2001 in the field of Earth and Planetary Sciences given by Physical Research Laboratory, Ahmedabad.
• • P S Narayana medal for the best Ph.D. thesis in the Division of Mechanical Sciences, Indian Institute of Science, for the year 1990.
• • Sabita Choudhuri medal for the best Ph.D. thesis in the Department of Aerospace Engineering , Indian Institute of Science, for the year 1990.

Fellow/ Membership of Professional Bodies

• • Fellow, Indian Academy of Sciences, Bengaluru India
• • Fellow, India Meteorological Society, New Delhi.
• • Member, Ocean Society of India, Cochin

Committees

He is/was a member of several committees including,

• • Chairman, Asian Fluid Mechanics Committee
• • Chairman, Indian National Committee for Asian Congress of Fluid Mechanics
• • Chairman, Research Advisory Committee, ESSO-INCOIS, Hyderabad
• • Editorial Board, Quarterly Journal of the Royal Meteorological Society, UK
• • Member, International Advisory Panel, Ministry of Earth Sciences, Govt. India
• • Chairman, Technical Expert Committee for the National Facility for Airborne Research, IITM, Pune (ESSO)
• • Member, Scientific Steering Committee for Continental Tropical Convergence Zone (CTCZ) Field Campaign under ICRP (MoES)
• • Member, Programme Advisory Committee-Atmospheric Sciences, SERB (DST)
• • Member, Scientific Advisory Committee, National Atmospheric Research Facility, Gadanki (ISRO)
• • Member, Research Advisory Committee, Indian Institute of Tropical Meteorology, Pune (ESSO)
• • Was a Member, Expert Panel on Fast Tack Young Scientist in Earth & Atmospheric Sciences (DST)
• • Member, Editorial Board, Journal of Earth System Science
• • Member, Editorial Board, Mausam
• • Member, Sectional Committee (Earth & Planetary Sciences), Indian Academy of Sciences
• • Chairman, the task team constituted by ISRO for Doppler Weather Radars Calibration