Xianan Jiang, Ph.D.

Associate Researcher

Joint Institute for Regional Earth System Science & Engineering

University of California, Los Angeles

9258 Boelter Hall, Box 957228

Los Angeles, CA 90095

Office & Mailing address:

4800 Oak Grove Drive

Jet Propulsion Laboratory, MS 233-300

California Institute of Technology

Pasadena, CA 91109

Email: xianan@jifresse.ucla.edu

Web: http://climvar.org/jiang

Tel: (818)354-4082; Fax: (818)354-5148

  

 


Education

Research Interest

  • Climate dynamics

  • Tropical meteorology

  • Tropical intraseasonal oscillation and monsoon variability

  • Large-scale atmosphere-ocean interaction

  • Atmospheric GCM and coupled GCM modeling

Research Experience

Associate researcher, Joint Institute for Regional Earth System Science and Engineering, University of California, Los Angeles, 2010-present

Assistant researcher, Joint Institute for Regional Earth System Science and Engineering, University of California, Los Angeles, 2008-2010

Research associate, Jet Propulsion Laboratory, California Institute of Technology, 2006-2008

Postdoctoral visiting scientist, Program in Atmospheric and Oceanic Sciences, Princeton University, 2004-2006

Graduate research assistant and postdoctoral fellow, Department of Meteorology and International Pacific Research Center, University of Hawaii at Manoa, 1999-2004

Assistant researcher, Shanghai Typhoon Institute, Shanghai, China, 1996-1999

Awards

Visiting Scientist Fellowship, AOS Program, Princeton University, October 2004.

Publications

  • Jiang, X., T. Kubar, and D. E. Waliser, 2011: Impacts of the tropical intraseasonal variability on marine low clouds over the Eastern Pacific, Geophys. Res. Lett., in preparation.

  • Jiang, X., M. Zhao, and D. E. Waliser, 2011: Modulation of tropical cyclone activity by the tropical intraseasonal oscillation over the Eastern Pacific in a high resolution GCM , Journal of Climate, submitted.

  • Santra, A., M. Halder, P. Mukhopadhyay, X. Jiang, and B. Goswami, 2011: Role of Cloud Hydrometeors on Northward Propagation of Boreal Summer Intraseasonal Oscillations, Climate Dynamics, in review.

  • Kubar, T., D. E. Waliser, J.-L. Li, and X. Jiang, 2011: On the annual cycle, variability, and correlations of oceanic low-topped clouds with large-scale circulation using Aqua MODIS and ECMWF-Interim, J. Climate, in review.

  • Lee, J.-E., B. Lintner, J. D. Neelin, X. Jiang, C. Boyce, J. Fisher, J. Perron, T. Kubar, R. Pierrehumbert, J. Lee, and J. Worden, 2011: Reduction of precipitation variability by transpiration from plants, Nature Geoscience, in review.

  • Waliser, D. E., and X. Jiang, 2011: Tropical Meteorology: Intertropical Convergence Zones (ITCZ). Encyclopedia of Atmospheric Sciences. Second Edition, Edited by G. North, F. Zhang, J. Pyle. Academic Press, in review.

  • Jiang, X., D. E. Waliser, D. Kim, M. Zhao, K. R. Sperber, W. Stern, S. D. Schubert, G. J. Zhang, W. Wang, M. Khairoutdinov, R. Neale, and M.-I., Lee, 2011: Simulation of the intraseasonal oscillation over the Eastern Pacific ITCZ in climate models, Climate Dynamics, doi: 10.1007/s00382-011-1098-x, in press. ( pdf file)

  • Jiang, X., D. E. Waliser, W. S. Olson, W.-K. Tao, T. S. L'Ecuyer, S. Shige, K.-F. Li, Y. L. Yung, S. Lang, and Y. N. Takayabu, 2011: Vertical diabatic heating structure of the MJO: Intercomparison between recent reanalyses and TRMM estimates, Mon. Wea. Rev., 139, 3208–3223. ( pdf file)

  • Petch, J., D. Waliser, X. Jiang, P. Xiavier, and S. Woolnough, 2011: A global model inter-comparison of the physical processes associated with the MJO, GEWEX News, August. ( pdf file)

  • Jiang, X., D. E. Waliser, J.-L Li, and C. Woods, 2011: Vertical structures of cloud water associated with the boreal summer intraseasonal oscillation based on CloudSat observations and ERA-Interim reanalysis, Climate Dynamics, doi: 10.1007/s00382-010-0853-8. ( pdf file)

  • Wang, S.-Y., L. E. Hipps, R. R. Gillies, X. Jiang, and A. L. Moller, 2010: Circum-global teleconnection and early summer rainfall in the US intermountain west. Theor. Appl. Climatol., doi: 10.1007/s00704-010-0260-4, 102, 245-252. ( pdf file)

  • Waliser, D. E., J.-L. Li, B. Tian, and X. Jiang, 2010: Diagnostics for the tropics: some (cautious) uses of satellite data. Proceedings of Seminar on Diagnosis of Forecasting and Data Assimilation Systems, ECMWF, 7-10 September 2009. ( pdf file)

  • Jiang, X., Duane E. Waliser, William S. Olson, Wei-Kuo Tao, Tristan S. L'Ecuyer, Jui-Lin Li, Baijun Tian, Yuk L. Yung, Adrian M. Tompkins, Stephen E. Lang, and Mircea Grecu, 2009: Vertical heating structures associated with the MJO as characterized by TRMM estimates, ECMWF Reanalyses and forecasts:  A case study during 1998-99 winter. J. Climate, 22, 6001-6020. ( pdf file)

  • Jiang, X., and D. E. Waliser, 2009: Two dominant subseasonal variability modes of the eastern Pacific ITCZ, Geophys. Res. Lett., 36, L04704, doi:10.1029/2008GL036820. ( pdf file)

  • Jiang, X., and D. E. Waliser, 2008: Northward propagation of the subseasonal variability over the Eastern Pacific Warm Pool.  Geophys. Res. Lett., 35, L09814, doi:10.1029/2008GL033723. ( pdf file)

  • Jiang, X., D. E. Waliser, M. Wheeler, C. Jones, M.-I. Lee, and S. Schubert, 2008: Assessing the skill of an all-season statistical forecast model for the Madden-Julian Oscillation. Mon. Wea. Rev., 136, 1940-1956. ( pdf file)

  • Jiang, X., and N.-C. Lau, 2008: Intraseasonal teleconnection between the North American and western North Pacific Monsoons with a 20-day time scale. J. Climate, 21, 2664–2679. ( pdf file)

  • Jiang, X., N.-C. Lau, I. M. Held and J. J. Ploshay, 2008: Mechanisms of the Great-Plains low-level jet as simulated in an AGCM. J. Atmos. Sci., 64, 532-547. ( pdf file)

  • Jiang, X., N.-C. Lau, and S. A. Klein, 2006: Role of the eastward propagating convective episodes on the diurnal cycle and seasonal mean of the summertime rainfall over the U.S. Great-Plains. Geophys. Res. Lett., 33, L19809, doi:10.1029/ 2006GL027022. ( pdf file)

  • Klein, S. A., X. Jiang, J. Boyle, S. Malyshev and S. Xie, 2006: Diagnosis of the summertime warm and dry bias over the U. S. Southern Great Plains in the GFDL climate model using a weather forecasting approach. Geophys. Res. Lett., 33, L18805, doi:10.1029/ 2006GL027567. ( pdf file)

  • Jiang, X. and T. Li, 2005: Reinitiation of the boreal summer intraseasonal oscillation in the tropical Indian Ocean. J. Climate, 18, 3777-3795. ( pdf file)

  • Jiang, X., T. Li and B. Wang, 2004: Structures and mechanisms of the northward propagating boreal summer intraseasonal oscillation. J. Climate, 17, 1022-1039. ( pdf file)

  • Gu, J., X. Jiang, H. Yin, and Y. Xu, 2000: The operational prediction results of the East China tropical cyclone model and improvement of the model. J. Tropical Meteorology, 16, 55-61 (in Chinese).

  • Gu, J., H. Yin, Y. Xu, X. Jiang, and X. Liang, 2000: The improvement and application of MM5 in numerical prediction of Shanghai Regional Meteorological Center. J. Applied Meteorology, 11, 189-198 (in Chinese).

  • Jiang, X. and Y. Zhu, 1998: A numerical study on factors affecting unusual motion of TC 9414 (Doug). J. Applied Meteorology, 9, 36-47 (in Chinese).

  • Zhang, Q., X. Jiang, and J. He, 1996: Air-sea coupling modes of tropical Pacific SSTA and wind stress fields. J. Tropical Meteorology, 2, 129-136 (in English).

  • Zhang, Q., X. Jiang, and J. He, 1996: Air-sea coupling modes of tropical Pacific SSTA and wind stress fields. J. Tropical Meteorology, 1, 43-50 (in Chinese).

           *Downloads of above PDF files are courtesy of the American Meteorological Society, American Geophysical Union, and Springer.
 

Funded Projects

  • NOAA/Climate Prediction Program of the Americas (CPPA): "Two dominant modes of the subseasonal variability of the Eastern Pacific ITCZ: Connections between extreme events, subseasonal and interannual variability". PI: Xianan Jiang; Co-PI(I)s: Duane Waliser, Stephen Lord, Augustin Vintzileos, and Ming Zhao, 08/01/2009-07/31/2012.

  • National Science Foundation/Climate and Large Scale Dynamics Program: "Collaborative research: Vertical heating structure in large-scale coupled tropical waves". PI: Xianan Jiang  Co-I: Duane Waliser; 10/01/2009-09/30/2012.

  • NOAA/Modeling, Analysis, Predictions, and Projections (MAPP) Program: "Comparison of Structure and Evolution Characteristics of Boreal Summer and Winter Intraseasonal Oscillations Derived from Reanalysis Products and Satellite Observations". PI: Tim Li (U. Hawaii),  UCLA PI: Xianan Jiang; 09/01/2011-08/31/2012.

Professional Service

  • Co-organizer for the "Global Multi-Model Evaluation Project on Vertical Structure and Diabatic Processes of the MJO", a joint research activity by the WCRP-WWRP/THORPEX MJO Task Force & Year of Tropical Convection (YOTC) and the GEWEX Atmospheric System Study (GASS).

  • Member, NOAA Climate Program Office MAPP (Modeling, Analysis, Predictions, and Projections) Program CMIP5 Task Force (http://www.climate.noaa.gov/index.jsp?pg=./cpo_pa/mapp/CMIP5.html)

  • Peer reviewer for journals: Journal of Climate, Journal of the Atmospheric Sciences, Monthly Weather Review, Journal of Atmospheric and Oceanic Technology, International Journal of Climatology, Geophysical Research Letters, Advances in Atmospheric Sciences, Climate Dynamics, Quarterly Journal of the Royal Meteorological Society, Journal of Geophysical Research-Atmospheres.

  • Proposal reviewer for US NSF, NOAA, French ANR.

Professional Affiliation

  • American Geophysical Union

  • American Meteorological Society