India's Department of Science & Technology: CP-STIO Collaborative Award; 2007-2009. . NSF OISE: Diagnosis of India's weather prediction model's forecast and simulation deficiencies; May 2002 - April 2007. Lead the South Asian Regional Reanalysis effort (2007-2010).
Structure & dynamics of seasonal/interannual climate variability: Tropical ocean-atmosphere interaction (e.g., El Nino), Asian & North American monsoons, North Atlantic & North Pacific Oscillations. Hydroclimate variability and droughts over the Gangetic Plains (India) and Great Plains (US).