Seminars

Maria Kazachenko, Laboratory for Atmospheric and Space Phenomena (LASP), University of Colorado Boulder Solar Magnetic Fields Before and During Eruptions: Perspectives with the Largest Telescope to observe the Sun (DKIST) Space weather is largely caused by the activity of our Sun. Invisible yet powerful magnetic fields, created within the Sun,...

Abigail Crocker, Department of Mathematics & Statistics, The University of Vermont Statistics and Social Justice Transforming the criminal-legal system is of broad interest. There is growing recognition of the inequities in our current system as well as its negative impacts on justice-involved populations and communities, including harms from mass incarceration...

Henrik Kalisch, Department of Mathematics, University of Bergen, Norway Coastal Modeling in Norway: When Shallow Water Runs Deep For coastal communities around the world, catastrophic storm waves and storm surge events pose the biggest threat to life and property. For these major events, forecasting is relatively reliable, protective structures are...

Manas Rachh, Center for Computational Mathematics, Flatiron Institute Static Currents in Type-I superconductors In this talk, we describe the classical magneto-static approach to the theory of type-I superconductors. The magnetic field and the current in type-I superconductors are related by the London equations and tend to decay exponentially inside the...

Nadir Jeevanjee, Geophysical Fluid Dynamics Laboratory, National Oceanic and Atmospheric Administration (NOAA) The surprising fluid dynamics of atmospheric thermals Atmospheric convection is both ubiquitous and fundamental to the climate system, as the primary means of communicating heat from the surface to the atmosphere. The fundamental building block of atmospheric convection...

Enrico Camporeale, Space Weather Prediction Center, National Oceanic and Atmospheric Administration Using Physics-Informed Neural Networks for solving inverse problems: a space physics case study We use the framework of Physics-Informed Neural Network (PINN) to solve the inverse problem associated with the Fokker-Planck equation for radiation belts' electron transport, using 4...

Peter Thomas; Department of Mathematics, Applied Mathematics, and Statistics; Case Western Reserve University A Universal Description of Stochastic Oscillators Many systems in physics, chemistry and biology exhibit oscillations with a pronounced random component. Such stochastic oscillations can emerge via different mechanisms, for example linear dynamics of a stable focus with...

Steve Penny, Data Assimilation Lead, Sofar Ocean Advances in integrating Artificial Intelligence / Machine Learning (AI/ML) with Data Assimilation (DA) to produce data-driven weather forecasts. A number of exciting advances in Machine Learning (ML) weather models have occurred within the past year. An important next step is to determine how...

Isla Simpson, National Center for Atmospheric Research (NCAR), Boulder, CO Future projections in the large-scale atmospheric circulation response to climate change: uncertainties, implications and progress Accurate future projections of the climate system are hindered by a number of sources of uncertainty: forcing uncertainty, internal variability, and model structural uncertainty. Accurately...

Nathalie Vriend, The Paul M. Rady Department of Mechanical Engineering , University of Colorado Boulder Granular Flows: Photoelastic avalanches & Bedform dynamics Flowing granular materials arise everywhere around us, in industry from pharmaceutical processes to bulk good transport lines, and in nature from snow avalanches to captivating dune fields. At...