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Eugenia Kalnay
Eugenia Kalnay (born 1942) is an Argentine meteorologist and a Distinguished University Professor of Atmospheric and Oceanic Science at the University of Maryland, College Park in the United States. She is the recipient of the 54th International Meteorological Organization Prize in 2009 from the World Meteorological Organization for her work on numerical weather prediction, data assimilation, and ensemble forecasting. As Director of the Environmental Modeling Center of the National Centers for Environmental Prediction (NCEP), Kalnay published the 1996 NCEP reanalysis paper, entitled “The NCEP/NCAR 40-year reanalysis project”, which is one of the most cited papers in the geosciences. She is listed as the author or co-author on over 120 scientific papers and wrote the book ''Atmospheric Modeling, Data Assimilation and Predictability,'' which was published by Cambridge University Press in 2003.
==Life==
Kalnay was born in Argentina and received her undergraduate degree in meteorology from the University of Buenos Aires in 1965. In 1971, Kalnay became the first woman to receive a PhD in meteorology from MIT, where she was advised by Jule Charney. She then became the first female professor in the MIT Department of Meteorology. From 1987 to 1997, Kalnay was the Director of the Environmental Modeling Center (EMC) of the National Centers for Environmental Prediction (NCEP), National Weather Service (NWS) and oversaw the NCEP/NCAR reanalysis project and numerous other projects in data assimilation and ensemble forecasting. After leaving NCEP, Kalnay became the Robert E. Lowry Chair of the School of Meteorology at the University of Oklahoma. In 2002, Kalnay joined the Department of Atmospheric and Oceanic Science at the University of Maryland, College Park and served as chair of the department. Along with James A. Yorke, she co-founded the Weather/Chaos Group at the University of Maryland, which has made discoveries of the local, low-dimensionality of unstable atmospheric regions and the development of the Local Ensemble Kalman filter and Local Ensemble Transform Kalman Filter data assimilation methods. In addition to the Atmospheric and Ocean Department (AOSC), Kalnay has appointments in the Institute for Physical Science and Technology (IPST) and the Center for Computational Science and Mathematical Modeling (CSCAMM), also at the University of Maryland, College Park. In 2008, she was selected as the first Eugenia Brin Endowed Professorship in Data Assimilation.
Among the scientific methods Kalnay has pioneered are the breeding method, which was introduced, along with Zoltan Toth, as a method to identify the growing perturbations in a dynamical system. She was also co-author on papers introducing the ensemble methods of Lag Averaged Forecasting (LAF) and Scaled LAF (with Ross N. Hoffman and Wesley Ebisuzaki).
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