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Cycle: 
21 cycle
Tutor: 
Dr. Fred Kucharski
Advisor: 
Prof. R. Mechoso, UCLA
Curriculum, Annual Report, Thesis: 
Current Position: 

Computational Postdoctoral Fellow at the Argonne National Laboratory.

Scientific Activity: 

Since October 2010 I have been working at the Argonne National Laboratory, IL, USA. I was awarded of the Computational Postdoctoral Fellowship at the Argonne Leadership Computing Facility" to work on the "Sensitivity and uncertainty of precipitation of the Geophysical Fluid Dynamics Laboratory high resolution model". I am currently working to improve climate predictions by quantifying uncertainties of simulated rainfall, and its variability, to key physical processes related to cloud dynamics. These physical processes occur at spatial and temporal scales not resolved by general circulation atmospheric models (AGCMs) are a major source of uncertainty in explorations of natural climate variability, seasonal predictions and climate change assessments. To carry out this research I am conducting a large ensemble of present-day perturbed physics experiments using the Geophysical Fluid Dynamic Laboratory High Resolution Atmospheric Model. Simulations are performed over the entire globe at 100 Km resolution, which is outstandingly high for this type of studies. To perform the simulations I received US Department of Energy Advanced Scientific Computing Research Leadership Computing Challenge (ALCC) award. It consists of 40 million hours on the Argonne National Laboratory supercomputer. (http://science.energy.gov/ascr/facilities/alcc/). The allocation represents the 2nd largest for 2011 and the first ever in which the project is lead by a postdoctoral appointee. My advisors are R. Jacob, R. V. Kotamarthi and T. Williams. The study is conducted in collaboration with I. Held (GFDL) and M. Zhao (GFDL), D. Neelin and J. McWilliams (UCLA). I am working on two additional projects focusing on the climate in South America: The first project’s goal is to investigate the interannual and inter-decadal variability of precipitation in South America and their relationship to sea surface temperatures. The analysis is based on examination of atmospheric and coupled general circulation models, as well as observations. The second project’s goal is to characterize extreme temperature events in South America and their link to the general circulation.

Publications: 
  • A. F. Carril, and co-authors: The CLARIS LPB Working Package 6: Processes and future evolution of extreme climate events in La Plata Basin. In preparation.
  • Zamboni L., F. Kucharski, M. Barreiro and A. Cherchi: Dynamics of the Impact of ENSO Flavors on Precipitation over La Plata Basin. In review for Climate Dynamics.
  • Zamboni L., C.R. Mechoso and F. Kucharski: Seasonal Variability of Precipitation over South Eastern South America: its Relationship with Upper Level Circulation as Physical Base for Predictions. Journal of Climate, 23, Issue 12, pp. 3300-3315.
  • Zamboni L., F. Kucharski and C.R. Mechoso: Seasonal variations of the links between the interannual variability of South America and the South Pacific. Climate Dynamics, 38, Issue 9, pp. 2115-2129.
  • Cherchi A., A. F. Carril, L. Zamboni and C. Menéndez: La Plata Basin Hydro-Climate Variability at Interannual and Interdecadal Timescale as Simulated by General Circulation Model Experiments. In review for Climate Dynamics.
  • Carril, A. F., Cherchi, C. Menéndez, P. Zaninelli and L. Zamboni: Links between Tropical Pacific SSTs Anomalies and Temperature Extremes over South America. In preparation.
  • Zamboni L., A. Cherchi, and A. F. Carril: Heat waves in La Plata Basin: a characterization. In review for Climate Dynamics.
Conferences: 
  • Zamboni L., Kucharski F., Barreiro M., Cherchi A.: Dynamics of the impact of ENSO flavors on rainfall over La Plata Basin. Poster presentation to The Meeting of the Americas, Foz do Iguaçu Brazil, 813 August, 2010
  • Zamboni L., Cherchi A., Carril A.F.: Heat Waves over South America: Spatial Patterns and their Relationship with the Large Scale Circulation at the Interannual Timescale. Oral presentation to The Meeting of the Americas, Foz do Iguaçu Brazil, 813 August, 2010
  • Zamboni L., F. Kucharski and C.R. Mechoso. Seasonality of the teleconnection between ENSO and rainfall over subtropical South America: the leading Pacific South American mode. EGU2010-5064. Vienna May 2-7, 2010
  • Zamboni L., Kucharski F., Barreiro M., Cherchi A. ENSO flavors' impact on rainfall over South Eastern South America. EGU2010-5020. Vienna May 2-7, 2010
  • Zamboni L., C.R. Mechoso and F. Kucharski, 2009: Upper Level Wind Circulation over South America: Impact on Precipitation over Southeastern South America and Relation with ENSO and the Pacific South American Modes. Geophysical Research Abstracts, Vol. 11, EGU2009-0, 2009 EGU General Assembly 2009 © Author(s) 2009. Vienna April 19-14, 2009
  • Zamboni L., C.R. Mechoso and F. Kucharski. El Niño/Southern Oscillation Impact on Rainfall Over South America: A Bayesian Approach to Improve its Forecasts. Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract H24C-07. San Francisco, CA, USA. December 10-14, 2007
  • Levizzani, V., Ginnetti, R., Zamboni, L., Laing, A. G., Carbone, R. E. Warm Season Convective Precipitation Climatology: First European Results. Proceedings of the 7th Plinius Conf. on Mediterranean Storms, Rethymnon, Crete, 5-7 Oct, 2005
  • Carbone, R. E., A. Laing, T. D. Keenan, C-C. Wang, T-J Chen, V. Levizzani, and L. Zamboni. Conditions Associated with Warm Season Rainfall Over Five Continents. Proceedings of the 7th Plinius Conf. on Mediterranean Storms, Rethymnon, Crete, 5-7 Oct, 2005
  • Zamboni L., R. Jacob, R. V. Kotamarthi, T. Williams, I. Held, M. Zhao, D. Neelin and J. McWilliams.Sensitivity and uncertainty of precipitation of an atmospheric general circulation model. Accepted poster presentation. 16th International Conference on Clouds and Precipitation. July 30-August 3, 2012. Leipzig, Germany.
  • Zamboni L., R. Jacob, R. V. Kotamarthi, T. Williams, I. Held, M. Zhao, D. Neelin and J. McWilliams. How reliable are precipitation predictions? Estimating uncertainties in a climate model. 25th Science Careers in Search of Women Conference. Poster presentation for high school women and their teachers. April 19, 2012. ANL, IL, USA.
  • Zamboni L., R. Jacob, R. V. Kotamarthi, T. Williams, I. Held, M. Zhao, D. Neelin and J. McWilliams. Sensitivity and uncertainty of precipitation of an atmospheric general circulation model. Poster presentation. 16th International Conference on Clouds and Precipitation. July 30-August 3, 2012. Leipzig, Germany.
  • L. Zamboni, R.L. Jacob, V.R. Kotamarthi, T.J. Williams, M. Wilde, I. Held, M. Zhao, J.C. McWilliams, J. Neelin. Cloud processes' impact on precipitation: sensitivity and uncertainty. Accepted Poster Presentation. AGU Fall Meeting, San Francisco, CA, USA. December 3-7, 2012.