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Isidoro Orlanski

Argentine-American atmospheric physicist (born 1939) From Wikipedia, the free encyclopedia

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Isidoro Orlanski (born 1939) is an Argentine-American atmospheric physicist, meteorologist, and ocean scientist. He is known for his contributions to the dynamics of weather systems, ocean currents and mesoscale meteorology. He is an emeritus professor at Princeton University.[1]

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Early life and education

Isidoro Orlanski was born in Rivera, Buenos Aires, in 1939 to Jewish immigrants Samuel and Sara Orlanski, who fled Wolkowysk, Poland during the early 20th century pogroms. With the help of the Jewish Colonization Association, which enabled Jewish immigrants from Eastern Europe to farm in Argentina, the Orlanski family settled in rural Argentina before moving to Buenos Aires in the early 1940s.[2]

In 1959, Orlanski enrolled in the Faculty of Exact and Natural Sciences (Spanish: Facultad de Ciencias Exactas) at the University of Buenos Aires, where he studied physics. In 1964, Orlanski earned a degree in physics from University of Buenos Aires. In 1965, he received a grant to pursue graduate studies at the Massachusetts Institute of Technology.[3] Orlanski completed his PhD in 1967 supervised by Jule Charney.[4] His thesis, titled Instability of Frontal Waves, earned the Carl Gustav Rossby Award.[5]

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Career

Orlanski moved to the Geophysical Fluid Dynamics Laboratory (GFDL),[6] where he initially worked with Joseph Smagorinsky. The GFDL, under the leadership of Smagorinsky, was developing numerical models for weather forecasting and climate assessment.[7] He relocated with the lab to Princeton University in New Jersey where he became a lecturer in Atmospheric and Oceanic Science.[8]

By 1980, GFDL had grown to 134 staff members, with Orlanski being appointed the lab's Deputy Director.[9] While on sabbatical in Argentina in 1985, Orlanski established an organization for numerical modeling that became the Centro de Investigaciones para el Mar y la Atmósfera (CIMA).[10] Orlanski retired from GFDL in 2007 but continued teaching at Princeton University until 2017, retiring as a lecturer with the rank of Senior Meteorologist, Emeritus.[1]

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Research

Orlanski worked in the field of mesoscale meteorology.[11] He introduced the terms meso-alpha, meso-beta, and meso-gamma to classify the horizontal scales of atmospheric processes.[12] The primary purpose of Orlanski’s classification of mesoscale phenomena was to assist modelers in designing limited-area models for mesoscale prediction.[13] This framework was used in the design of field experiments for mesoscale observations, as well as in defining the spatial and temporal scales necessary for forecast models.[14] It took over two decades for both numerical models and observational technologies to achieve an acceptable level of accuracy in this domain.[15] Orlanski's research on boundary conditions for unbounded hyperbolic flows has applications beyond meteorology.[16]

Awards and honors

Selected publications

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References

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