Professional Activities
Oct. 1984: NSF Review Panel for Young Presidential Awards, Washington, DC.
Sept. 16-28, 1989: Co-Director of the NATO Advanced Study Institute on "Stochastic Hydrology and its Use in Water Resources Systems Simulation and Optimization," Peñiscola, Spain.
April 24-26, 1991: NSF Panel Review for Site Visit to Center for Tropical Research, San Juan, P. Rico.
Oct. 1991-Jul. 1992: HydroQuebec Expert Panel, Montreal, Canada.
June 25, 1992: Keynote Speaker on "Time and Space Aggregation of Streamflow Processes" at the International Workshop on Advances in Distributed Hydrology, Bergamo, Italy.
Jan. 1995: NSF Panel Review for Young Presidential Awards, Washington DC.
Nov. 1995: U.S. Director of the NSF "U.S.-Italy Research Workshop on the Hydrometeorology, Impacts and Management of Extreme Floods", Perugia, Italy.
1987-1995: Associate Editor, Journal of Hydraulic Engineering of ASCE.
1995-2004: Member of the Editorial Board of the Journal of Hydrologic Engineering of ASCE.
April 13-18, 1996: World Bank Expert Panel, SEDAPAL, Peru.
Nov. 28, 1996: Keynote Speaker on "Hydrology of Arid and Semiarid Regions", II International Conference on Mediterranean Hydrology, Valencia, Spain.
May 15, 1997: Keynote Conference on “Risk and Uncertainty in Water Resources”, II Latinamerican Conference on Environmental Risk, Valencia, Venezuela.
Nov. 5, 1997: Keynote Conference on “Civil Engineering: A World of Risks and Uncertainties”, XI National Congress of Civil Engineering, Trujillo, Peru.
Nov. 5, 1998: Keynote Speaker on “Risk and Uncertainty Management of Extreme Hydrologic Events”, V Annual Meeting on Watershed Management, Tacna, Peru.
May 25, 2000: Keynote Speaker on “Large Scale Climatic Variability and Global Hydrology”, Korean Water Resources Association, Seoul, Korea.
July 18, 2000: Keynote Speaker on “Drought Analysis and Mitigation” WARREDOC, Perugia, Italy.
October, 2002: World Bank Expert Panel, SEDAPAL, Peru.
June 23, 2004: Keynote Speaker on “Estimation of Low Flows and Droughts: Concepts and Applications”, National University of Colombia, Medellin, Colombia.
Nov. 24, 2004: Keynote Speaker on “Oceanic-Atmospheric Variability and its Relation to Extreme Events”, International Seminar on New Perspectives of Scientific Research and Technology for Disaster Prevention and Assistance, INDECI, Lima, Peru.
Nov. 4, 2005: Keynote Speaker on “Advances in the Estimation of the Severity of Droughts”, 40th Anniversary of CIDIAT, Merida, Venezuela.
June 1, 2007: Keynote Conference on “Advances in Characterizing Extreme Droughts”, HYDRO II, Lima, Peru.
Nov. 20, 2007: Keynote Conference on “Characterizing the Dynamics of Droughts Based on Stochastic Methods”, HRSD UNESCO International Conference on “Hydrology and Water Management for Hazard Reduction and Sustainable Development”, Manila, Philippines.