Highlights of Physics of Climate (GPC) Talks @ APS 2023 March Meeting
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TABLE 1: Highlights of Physics of Climate (GPC) Talks @ APS 2023 March Meeting
| Paper | Author(s) | |
|---|---|---|
| 1 | Heat Released from The Depths of The Arctic Ocean: Amplified Warming and Tipping Points Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the second half of the talk, I will present a novel positive feedback process involving the release of subsurface heat in the Arctic Ocean. |
Ian Eisenman; |
| 2 | Polar Transitions: The Arctic Ocean’s Diffusive Staircase Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, how these staircases form, and what ultimately governs staircase layer thicknesses is not well known. In this talk, I will describe how the thickness of these layers shows a sharp spatial transition across the Beaufort Gyre, using an observational data set. |
Nicole Shibley; Mary-Louise Timmermans; |
| 3 | Assessing The Long-term Dynamics and Stability of Arctic Ice Shelves with Periodic Roll Structure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Though most of this sea ice disintegrated during deglaciation, the few ice shelves that remain in the Arctic exhibit one common feature: large rolls on the surface of the ice. Using physical models, we have shown that the vibrational modes of such ice shelves contain band gaps in the frequency domain, implying that these ice shelves prevent ambient ocean sea swell waves of certain frequencies from flexing and breaking the ice. |
Peter Nekrasov; Douglas Macayeal; |
| 4 | Bifurcations in Ice Sheet Behavior and The Implications for Projections of Future Sea Level Rise Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This increase in the rate of ice sheet melt, and corresponding acceleration in the rate of global sea level rise has largely been explained by two factors: (1) increased surface melt on the Greenland Ice Sheet, and (2) increased ice flow speeds and discharge to the ocean (through melting and ice fracture) from both ice sheets. In this talk, I will review explanations for these dramatic changes, using canonical bifurcation theories in ice sheet dynamics. |
Alexander Robel; |
| 5 | Non-Gaussian Stochastic Dynamical Model for The El Niño Southern Oscillation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A nonautonomous stochastic dynamical model approach is developed to describe the seasonal to interannual variability of the El Niño southern oscillation (ENSO). |
Ludovico Giorgini; |
| 6 | Feedback-enabled Transient Growth Can Trigger Climate Tipping Points Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the mitigation of climate tipping point transitions using an energy balance model. |
Alex Mendez; Mohammad Farazmand; |
| 7 | A New Theory for Heat Extremes in A Changing Climate Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate the role of convective instability in limiting extreme temperatures and wet-bulb temperatures (heat stress) over land. |
Yi Zhang; Isaac Held; Stephan Fueglistaler; William Boos; |
| 8 | Atmospheric Circulation Compounds Anthropogenic Warming and Extreme Climate Impacts in Europe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study 1950-2021 trends in the frequency of occurrence of atmospheric circulation patterns over the North Atlantic. |
Davide Faranda; Gabriele Messori; Aglae Jezequel; Pascal Yiou; Mathieu Vrac; |
| 9 | Inseparable Link Between Air Pollution and Climate Change Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work is focused on laboratory measurement of optical and chemical properties of biomass burning emissions from biomass fuels from Africa to understand their impact on climate and health. |
Solomon Bililign; |
| 10 | The Ocean’s Global Overturning Circulation and Climate: from Observations to Process Understanding Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This in turn affects where the ocean is best poised to absorb and store excess (anthropogenic) heat. Here I summarize the global overturning circulation, the underlying global-scale pressure gradients that drive it, and its external forcing, which is a combination of buoyancy (heat and freshwater), wind, and turbulence. |
Lynne Talley; |
| 11 | Global Energy Spectrum of The General Oceanic Circulation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use a coarse-graining method to analyze scales much larger than what had been possible before. |
Hussein Aluie; Benjamin Storer; Michele Buzzicotti; Hemant Khatri; Stephen Griffies; |
| 12 | The Multi-scale Physics of Ocean Spray Aerosols Generation By Breaking Waves and Bursting Bubbles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This framework aims to account for the very large range of scales involved in the process, from wave statistics scales of order of km, O(1m-1km), to wave breaking dynamics, O(1-10m), air bubble entrainment, bubble dynamics in turbulence and finally bubble bursting at the first surface, O(microns to mm). |
Luc Deike; |
| 13 | Statistics of Breaking Wave Fields with A Multilayer Numerical Framework Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a scaling of the breaking statistics solely based on wave properties and discuss the implications for previous empirical formulations. |
Jiarong Wu; Stephane Popinet; Luc Deike; |
| 14 | Prospects for Estimating Transient Climate Response to Greenhouse Gases Using The Fluctuation Dissipation Theorem Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we discuss the prospects for estimating a related metric, the Transient Climate Response (TCR), using the Fluctuation Dissipation Theorem (FDT). |
William Collins; |
| 15 | Simpson’s Law and The Water Vapor Feedback Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The 2021 Nobel prize in physics was awarded in part to Suki Manabe for the first credible calculation of Earth’s climate sensitivity, including a proper treatment of the water vapor feedback which doubles that sensitivity. This talk will demonstrate how the strength of this water vapor feedback can be tied to a basic property of water vapor radiative transfer known as "Simpson’s Law". |
Nadir Jeevanjee; |
| 16 | Conservation Laws for Atmospheric Dynamics with Clouds Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In particular, I will present cloudy versions of the conservation principles of energy and potential vorticity, the latter of which is a cloudy extension of the classic Kelvin circulation theorem. |
Samuel Stechmann; |
| 17 | Observation of Waves in The Climate System with Nontrivial Topology Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To verify the nontrivial topology of Poincaré-gravity waves, we examine ERA5 reanalysis data and study cross-correlations between the wind velocity and geopotential height of the mid-latitude stratosphere at the 50 hPa height, and find the predicted vortex and anti-vortex in the phase of the correlations at the high frequencies of the waves. |
John Marston; Ziyan Zhu; Weixuan Xu; Jung-Eun Lee; Baylor Fox-Kemper; |
| 18 | Impacts of Changing Storm Characteristics in A Stochastic Model for Dryland Vegetation Pattern Formation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We compare different models for the soil water re-distribution process on a gentle hillslope, following a rain storm, to investigate how that depends on precipitation characteristics such as typical storm depth and storm intensity, both of which are likely to be altered by climate change. |
Mary Silber; Punit Gandhi; |
| 19 | Leveraging Interpretable Machine Learning for Climate Physics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, I will describe the complex and multiscale nature of the climate system and how machine learning can be leveraged to deepen our understanding of key physical climate processes. |
Laure Zanna; Andrew Ross; Pavel Perezhogin; Carlos Fernandez-Granda; Ziwei Li; |
| 20 | Probabilistic Learning for Predictive Modeling of Climate Variability Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: While comprehensive climate models are skilful at predicting the response of the climate system to external forcing, they are less skilful when it comes to predicting the natural … |
Balu Nadiga; |
| 21 | Learning Fire Spread Dynamics with Physics-constrained Machine Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present preliminary results from a physics-constrained machine learning (ML) model of fire spread dynamics. |
Jatan Buch; Aniket Jivani; Xun Huan; A. Park Williams; Pierre Gentine; |
| 22 | Long-term Instability of Deep Learning-based Digital Twins of The Climate System: Cause and Solution Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show improvement in short-term forecasts, as well as long-term stable emulations for hundreds of years with accurate mean and variability. |
Ashesh Chattopadhyay; Pedram Hassanzadeh; |
| 23 | Global and Direct Solar Irradiance Estimation Using Deep Learning and Selected Spectral Satellite Images Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As for DNI estimation, the proposed method shows a nRMSE reduction of 13.77%. |
Shanlin Chen; |
| 24 | Integrating The Spectral Analyses of Neural Networks and Climate Physics for Stable, Explainable, and Generalizable Models Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using several setups of 2D turbulence, two-layer quasi-geostrophic turbulence, Rayleigh-Benard convection, and ERA5 reanalysis, we introduce methods to address (1)-(4). |
Pedram Hassanzadeh; Yifei Guan; Adam Subel; Ashesh Chattopadhyay; |
| 25 | Reduced-order Modeling of Arctic Amplification Feedbacks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present initial work on data-driven reduced-order models to analyze the key feedback between ice albedo and surface temperature. |
Adam Rupe; Craig Bakker; Derek DeSantis; Jian Lu; |
| 26 | Physics-informed and Equality-constrained Artificial Neural Networks with Applications to Partial Differential Equations and Multi-fidelity Data Assimilation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we investigate the application of artificial neural networks to mining physics. |
shamsulhaq basir; Inanc Senocak; |
| 27 | Energy Harvesting By An Intelligent Body from Turbulence Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report numerical and analytical evidence on how the rotational dynamics of a neutrally buoyant body can conspire to allow the harvesting of energy from the turbulent fluid motion efficiently. |
Yagmur Kati; sinan gundogdu; Bruno Andreis; Sabine Klapp; |
| 28 | Numerical Proof of Shell Model Turbulence Closure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work demonstrates the capability of Machine Learning to capture complex multiscale dynamics and reproduce complex multi-scale and multi-time non-gaussian behaviors, opening up the possibility to tackle turbulence modelling in Navier-Stokes Equations. |
Giulio Ortali; Alessandro Corbetta; Gianluigi Rozza; Federico Toschi; |