Ph.D Student
xavier@caos.iisc.ernet.in
Phone:+91 80 2293 2505
Fax :+91 80 2360 0865
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Centre
for Atmospheric and Oceanic Sciences Indian Institute of Science Bangalore 560 012 INDIA |
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K XAVIER Ph.D Student xavier@caos.iisc.ernet.in Phone:+91 80 2293 2505 Fax :+91 80 2360 0865 |
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| Curriculum Vitae |
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Born 3rd April 1976 Education |
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| Research Interests | |
 Monsoon
intraseasonal Variability and Extended range prediction
Predictability of the Tropical Coupled Ocean-atmosphere system
Monsoon-ENSO relationship
Large scale air-sea interactions in the
tropicsI'm doing my PhD under the guidance of Prof. B.N. Goswami. Our studies focus on the air-sea interactions relevant to the interannual and intraseasonal variability in the tropics using General Circulation Models. The predictability of the Indian summer monsoon is also a topic of current research. It is identified that the limited predictability of the Indian summer monsoon is due to the 'internal processes'. The mechanisms responsible for this internal variability are examined using Atmospheric General Circulation Models (AGCMs) such as NCAR Community Climate Model version 3 (CCM3) and Laboratoire de Meteorologie Dynamique Model (LMDZ). The extensive analysis of ensemble of simulations of the LMDZ model was performed during my visits to LMD, Paris, in 2003 and 2004, under the framework of Indo-France Centre for Environment and Climate (IFCEC), and supported by the French Government Scholarship for Advanced Scientific Research. The impact of air-sea coupling and the role of high frequency SST anomalies on the simulation of monsoon intraseasonal oscillations is being examined using coupled GCMs. Long simulations of IPSLCM and CCM3 coupled to a slab ocean are utilized. I completed my M.Sc.(Engg) in July 2002. During the period of my Masters, our efforts were to identify how the large scale intraseasonal oscillations modify the synoptic activity-genesis of low pressure systems-during the monsoon season. We have also developed an empirical model for the extended range prediction of dry and wet spells of the Indian summer monsoon.For the first time we made a quantitative estimate of the limit of predictability of monsoon intraseasonal oscillations. We are actively involved in developing a real-time prediction system of the monsoon intraseasonal variations 15-20 days ahead, using Intrinsic Mode Functions (IMF) and Artificial Neural Networks (ANN). I have worked as Junior Research Fellow in an ISRO funded research project withProf. K Mohankumar, Department of Atmospheric Sciences, Cochin University of Science and Technology from January 1999 to July 2000. I also had the opportunity to work with Prof. P V Joseph, (Former Director, India Meteorological Department) UGC Visiting Professor, Department of Atmospheric Sciences, CUSAT. Conferences/Workshops
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| Publications | |
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Prince K Xavier and B N Goswami, 2006. An Analog Method for Real-Time Forecasting of Summer Monsoon Sub-seasonal VariabilityMon. Wea. Rev. (submitted for publication). |
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B N
Goswami and Prince
K Xavier, 2005. ENSO control on the South Asian Monsoon through the Length of the Rainy Season
Geophys. Res. Lett. 32, L18717, doi:10.1029/2005GL023216 |
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B N Goswami and Prince K Xavier, 2005 Dynamics of 'Internal' Interannual
Variability of Indian Summer Monsoon in a GCM J. Geophys. Res., 110, D24104, doi:10.1029/2005JD006042. |
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B N Goswami and Prince K Xavier,
2003
Potential Predictability and Extended Range Prediction of Indian Summer
Monsoon Breaks Geophys. Res. Lett. 30,18, 1966, doi:10.1029/2003GL017,810, 2003 |
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B N Goswami, R S Ajayamohan Prince K Xavier and D. Sengupta, 2003.
Clustering of Synoptic Activity by Indian Summer Monsoon Intraseasonal
Oscillations Geophys. Res. Lett., 30, 8, doi:10.1029/2002GL016734, |
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Masters Thesis |
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Prince K. Xavier, 2002. Empirical Prediction and predictability of dry and wet spells of Indian
summer monsoon, MS thesis, Indian Institute of Science. |
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| Reports | |
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Prince K Xavier and B
N Goswami, 2004 Empirical Prediction and Predictability of
Dry and Wet Spells of the Indian Summer Monsoon CAOS Report, 2004AS1, MAY 2004 |
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| Conferences/Proceedings | |
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Prince K. Xavier and B. N.
Goswami, 2004
Dynamics of 'Internal'
Interannual Variability of the Indian Summer Monsoon in a GCM CLIVAR 2004, June 2004, Baltimore, Maryland |
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B N Goswami and Prince K Xavier,
2004 Potential Predictability and Extended Range Prediction of Monsoon ISOs International Asian Monsoon Symposium, February 2004, Honolulu, Hawaii |
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Prince K Xavier and B N
Goswami, 2004 Potential Predictability and Prediction of Monsoon breaks International Workshop on Role of Indian Ocean in Climate Variability over India, February 2004, Pune, India. |
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Prince K. Xavier and B. N. Goswami, 2003 Dynamics of Internal Interannual
Variability of the Indian Summer Monsoon in a GCM Proceedings of Scale Interactions and Variability of Monsoon (SIVOM), October 2003, Munnar, Kerala. |
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Goswami B N. and Prince K.
Xavier, 2003 Predictability and Extended Range
Prediction of Active and Weak Spells of the Indian Summer Monsoon Proceedings of Scale Interactions and Variability of Monsoon (SIVOM), October 2003, Munnar, Kerala. |
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Prince K. Xavier and P.V.
Joseph, 2000.
Vertical wind shear in relation to frequency of Monsoon Depressions and
Tropical Cyclones of Indian Seas Proceedings of TROPMET-2000, Cochin. |
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Siji Kumar.S, V. Sathiyamoorthy, Anu
Simon, Prince K Xavier, Sajith V. and P.V. Joseph, 2000. Does the Low Level Jet stream split into two branches over the Arabian Sea? Proceedings of TROPMET-2000, Cochin |
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| Courses Undergone | |
M.Sc.(Engg) MA 251 (AUG) 3:0 Numerical Analysis AS 201 (AUG) 3:0 General Circulation and Climate AS 203 (AUG) 3:0 Physical Meteorology AS 206 (JAN) 2:0 Statistical Methods in Meteorology AS 202 (JAN) 3:0 Geophysical Fluid Dynamics Ph.D AS 302 (JAN) 3:0 Climate Modelling AS 304 (JAN) 3:0 Tropical Air-sea Interactions
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