Dr. Rongcai REN (Associate Prof.) Email:  rrc .AT. lasg.iap.ac.cn Tel:  (86-10) 82995298 Fax:  (86-10) 82995172 Postal:  P.O. Box 9804, Beijing, 100029 EDUCATION: Ph.D., 2002, Institute of Atmospheric Physics, Chinese Academy of Sciences. M.Phil., 1988, Department of Atmospheric Sciences, Nanjing University, Nanjing, China. EMPLOYMENT: 2004.5-present: Associate Professor, State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences 2004.10-2006.3: Visitor scholar in Florida State Univ., Florida, U.S.A 2002.8-2004.5: Assistant Professor, Department of scientific and technological planning and developing, Institute of Atmospheric Physics, Chinese Academy of Sciences. 1988.8-2002.7: Senior Engineer since 1996, and Engineer since 1991, Hebei Meteorological Observatory, China. 1982.7-1985.9: Assistant Engineer, in Handan Meteorological Observatory, Hebei, China. Research Interests: Variability of the stratospheric circulation, stratosphere-troposphere coupling, and their relations with the land-sea distribution and air-sea interactions.  The climatology and variations of the subtropical circulations and the subtropical anticyclones. PUBLICATIONS Ren, R.-C., M. Cai, C. Xiang and G. Wu, 2011, Observational evidence of the delayed response of stratospheric polar vortex variability to ENSO SST anomalies. Climate Dyn. DOI: 10.1007/s00382-011-1137-7. (in Press) Ren, Rongcai, Guoxiong Wu, Ming Cai and JingJing Yu, 2009, Winter Season Stratospheric Circulation in the SAMIL/LASG General Circulation Model, Adv. in Atmos. Sci., 26, 3, 451-464. Ren, R.-C and M. Cai, 2008, Meridional and Downward Propagation of Atmospheric Circulation Anomalies.  Part¢ò: Southern Hemisphere Cold Season Variability, J. of Atmos. Sci., 65, 2343–2359. Cai, M., and Ren, R.-C., 2007, Meridional and Downward Propagation of Atmospheric Circulation Anomalies.  Part I: Northern Hemisphere Cold Season Variability, J. of Atmos. Sci., Vol. 64, 1880-1991 Ren, R.-C., and M. Cai (2007), Meridional and vertical out-of-phase   relationships of temperature anomalies associated with the Northern   Annular Mode variability, Geophys. Res. Lett., 34, L07704, doi:  10.1029/2006GL028729.. Ren, Rongcai and Ming Cai, 2006, Polar Vortex Oscillation Viewed in an Isentropic Potential Vorticity Coordinate, Adv. in Atmos. Sci. , Vol.23, No. 6, 884-890. Cai, M., and R.-C. Ren (2006), 40–70 day meridional propagation of global circulation anomalies, Geophys. Res. Lett., 33, L06818, doi: 10.1029/2005GL025024. Yimin Liu, Guoxiong Wu, Rongcai Ren, 2004, Relationship between the Subtropical Anticyclone and Diabatic Heating, J. Climate, Volume 17,  No. 4: 682-698. Ren Rongcai, Liu Yimin, Wu Guoxiong, 2004, On the Short-term Variation of Subtropical Anticyclone over Western Pacific Affected by Mid-High Latitude Circulation in July 1998, Chinese Atmospheric Science, Vol.28, No.4, Pages 571~578. INTERNATIONAL CONFERENCE 25th IUGG General Assembly, Melbourn, Australia, 2011.6.27-7.7. Oral presentation:  “How to understand the lagged winter stratospheric response to ENSO? ” AOGS2009,Singapore. 2009.8.10-14.Invited Oral presentation: “Connection of the Stratospheric Polar Vortex Oscillation to the ENSO Tropical SSTa” IAMAS/IAPSO/IACS Joint Assembly, Montreal, Canada, 2009.7.19-29. Oral presentation: “Inter-hemispheric comparison of the Stratospheric Polar Vortex Oscillations from the contrast between climatology and variability”; Poster:  “Propagation properties of the Northern Hemispheric polar vortex oscillations in data and GCM simulation”. 4th General Assembly SPARC, Blogona, Italy, 2008.8.  Poster: “Downward propagation of circulation anomalies and the out-of-phase relationships of temperature anomalies between the Stratosphere and the troposphere” 2008 Western Pacific Geophysics Meeting, Cairns, Australia, 2008.7.  Oral presentation: “The Relationships between the Tropical SST and the Polar Vortex Oscillation at Different Timescales” 24th IUGG General Assembly, Perugia, Italy, 2007.7.2-13.  Oral presentation: “Meridional and vertical out-of-phase relationships of temperature anomalies associated with the NAM variability”