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"Extreme temperature fluctuations in laboratory models of the mid-latitude atmospheric circulation"
Abstract
Using two laboratory-scale conceptual fluid dynamic models of the mid-latitude atmospheric circulation we investigate the statistical properties of pointwise temperature signals obtained in long experiment runs. We explore how the average “equator-to-pole” temperature contrast influences the range and the jump distribution of extreme temperature fluctuations, the ratio of the frequencies of rapid cooling and warming events, and the persistence of “weather” in the set-ups. We find simple combinations of the control parameters—temperature gradient, rotation rate and geometric dimensions–which appear to determine certain scaling properties of these statistics, shedding light on the underlying dynamics of the Rossby wave-related elements of the mid-latitude weather variability.
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Liam White, a doctoral student pursuing a degree in computational science through the Department of Scientific Computing. Photo by Ferran Rivas.
Liam White is a doctoral student pursuing a degree in computational science through Florida State University’s Department of Scientific Computing, part of the College of Arts and Sciences. In 2019, White earned his bachelor’s degree in computer science with a minor in physics from Nova Southeastern University in Davie, Florida. At FSU, he’s conducted research with the Geophysical Fluid Dynamics Institute’s fire dynamics program and held various positions at Oak Ridge National Laboratory in Knoxville, Tennessee. White is currently completing his doctoral studies at ORNL as a research and development assistant staff member.
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TALLAHASSEE, October, 2023
Brandon Gusto, a 2023 Scientific Computing Ph.D. graduate, was recently awarded a SMART SEED Grant by the Department of Defense (DoD) SMART Scholarship-for-Service Program. SMART SEED Grants are reserved for SMART Scholars who have obtained a Ph.D. in their chosen discipline and begun working at a DoD facility. The SMART SEED Grant is a highly selective and prestigious award that allows new professionals to establish foundational research and engineering efforts while being mentored by an established member of the DoD science and technology community. Since graduation, Gusto has worked at the Naval Undersea Warfare Center Division Newport.
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On this episode of Nole Edge, the official podcast of the FSU College of Arts and Sciences, doctoral student Daryn Sagel and professor of scientific computing Bryan Quaife, both with the Fire Dynamics Program at the Geophysical Fluid Dynamics Institute, offer an inside look at the on-ground and atmospheric conditions that drive wildfires.
Watch "Nole Edge: The Science of Fire" now!
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SC Ph.D. student Jhamieka Greenwood has been awarded The McKnight Doctoral Fellowship which provides up to five years of funding support for newly enrolled African American and Hispanic graduate students who intend to seek a Ph.D. degree. The McKnight Doctoral Program is a state-wide program administered through the Florida Education Fund (FEF). The program is designed to address the under-representation of African American and Hispanic faculty at colleges and universities in the state of Florida by increasing the pool of citizens qualified doctoral graduates to teach at the college and university level. As a by-product, it is expected that employment opportunities in industry will also be expanded.
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