Paul Rowland Julian (born October 12, 1929), a Fellow of the American Meteorological Society, is an American meteorologist who served as a longtime staff scientist at the National Center for Atmospheric Research (NCAR), was co-author with Roland Madden of the study establishing the Madden–Julian oscillation (MJO), and contributed to the international, multi-institutional Global Atmospheric Research Program (GARP), Tropical Wind, Energy Conversion, and Reference Level Experiment (TWERLE), and Tropical Ocean-Global Atmosphere (TOGA) meteorology research programs. The MJO meteorologic phenomenon he co-discovered is the largest element of the intraseasonal variability in the tropical atmosphere, a traveling pattern arising from large-scale coupling between atmospheric circulation and tropical deep convection. Description of the MJO remains an important contribution to climate research with relevance to modern short- and long-term weather and climate modeling.
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Climate research in the context of University of Bergen
The University of Bergen (Norwegian: Universitetet i Bergen) is a public research university in Bergen, Norway. As of 2021, the university had over 4,000 employees and 19,000 students. It was established by an act of parliament in 1946 consolidating several scientific institutions that dated as far back as 1825. It is Norway's second-oldest university, and is considered to be one of the nation’s four so-called "established universities." It has faculties and programmes in all the academic fields typical of a classical university, as well as such degree programmes as medicine and law that, traditionally, only the “established universities” are authorized by law to offer. It is also one of Norway's leading universities in many of the natural sciences, including marine research and climate research. It has consistently been ranked in the top 200 or top one percent of universities in the world, and as one of the best 10 or best 50 universities worldwide in some fields, such as earth and marine sciences. It is part of the Coimbra Group and of the U5 group of Norway's oldest and highest-ranked universities.
Climate research in the context of Centre for International Climate and Environmental Research
The CICERO Center for International Climate Research (abbreviated CICERO; Norwegian: CICERO Senter for klimaforskning) is an interdisciplinary research centre for climate research and environmental science/environmental studies in Oslo. CICERO was established as an independent foundation by the Government of Norway in 1990. The current director is Kristin Halvorsen, former Minister of Finance.
Climate research in the context of Supercomputer
A supercomputer is a type of computer with a high level of performance as compared to a general-purpose computer. Supercomputers play an important role in the field of computational science, and are used for a wide range of computationally intensive tasks in various fields including quantum mechanics, weather forecasting, climate research, oil and gas exploration, molecular modeling (computing the structures and properties of chemical compounds, biological macromolecules, polymers, and crystals), and physical simulations (such as simulations of aerodynamics, of the early moments of the universe, and of nuclear weapons). They have been essential in the field of cryptanalysis.
The performance of a supercomputer is commonly measured in floating-point operations per second (FLOPS) instead of million instructions per second (MIPS). Since 2022, exascale supercomputers have existed which can perform over 10Â FLOPS. For comparison, a desktop computer has performance in the range of hundreds of gigaFLOPS (10) to tens of teraFLOPS (10). Since November 2017, all of the world's fastest 500 supercomputers run on Linux-based operating systems. Additional research is being conducted in the United States, the European Union, Taiwan, Japan, and China to build faster, more powerful and technologically superior exascale supercomputers.