Highlights of Physics of Climate (GPC) Talks @ APS 2024 March Meeting
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TABLE 1: Highlights of Physics of Climate (GPC) Talks @ APS 2024 March Meeting
| Paper | Author(s) | |
|---|---|---|
| 1 | Aging and Slow Dynamics in Earth’s Carbon Cycle Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Yet mechanisms that predict this collective organization remain unknown. I show that these and other observations follow from the assumption that the decay of organic matter is limited by progressively rare extreme fluctuations in the energy available to microbes for decomposition. |
Daniel Rothman; |
| 2 | Climate Prediction in Reduced Dimensions: A Comparative Analysis of Reservoir Computing and Attention-based Transformers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This study focuses on the application of machine learning techniques to better characterize predictability of the spatiotemporal variability of sea surface temperature (SST) on the basin scale. |
Balu Nadiga ; Kaushik Srinivasan; |
| 3 | The Proportionality of Temperature to Forcing in Transient Climate Change Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This separation of timescales implies that on intermediate, multi-decadal timescales, the surface temperature anomaly is simply proportional to the forcing, where the proportionality constant is a well-studied quantity known as the "transient climate response", or TCR. Here we review the physics of this simple model and demonstrate that knowledge of Earth’s TCR, along with a projection of future forcing, is sufficient to predict when the Earth will cross a given temperature target, such as the internationally agreed upon 1.5 or 2 C targets. |
Nadir Jeevanjee; |
| 4 | The Thermodynamics of Trees May Be Helpful in Controlling The Climate Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This mechanism causes the tree to be cooler that its surroundings. This author proposed previously that trees and animals cool themselves by using this method of capillary action. |
Richard Kriske; |
| 5 | Understanding Long-term Variability of The Madden-Julian Oscillation Leveraging In-situ Observations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we discuss the contrast between long-term variability of the MJO derived from (imperfect) climate model products with the MJO behavior inferred from (sparse) tropical in-situ observations during the same period. |
Juliana Dias; |
| 6 | Antarctic Bottom Water Warming in Eastern Pacific Southern Ocean Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study focused on the bottom water in the Eastern Pacific section of the Southern Ocean. |
AKM Sadman Mahmud ; Alison Macdonald ; Gregory Johnson; |
| 7 | Learning Stable and Generalizable Closed-form Equations for Geophysical Turbulence Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The proposed model has significant similarities between the true and GM-predicted fluxes and can capture the energy and enstrophy transfer between the resolved and the subgrid-scales, predicting both diffusion and backscattering. |
Karan Jakhar ; Rambod Mojgani ; Yifei Guan ; Ashesh Chattopadhyay ; Pedram Hassanzadeh; |
| 8 | Multi-agent Reinforcement Learning for Subgrid-scale Modeling of Environmental Turbulence Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We learn closure models using multi-agent deep reinforcement learning. |
Rambod Mojgani ; Daniel Wälchli ; Yifei Guan ; Petros Koumoutsakos ; Pedram Hassanzadeh; |
| 9 | Learning and Using Scores for Efficient Bayesian Filtering Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a new algorithm for Bayesian data assimilation problems where we are interested in sampling from the probability distribution of the state of a chaotic system given past observations. |
Nisha Chandramoorthy ; Youssef Marzouk ; Anant Gupta; |
| 10 | An Empirical Study on Climate Change in Africa and The Role of Physics in Its Mitigation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Hence, this study uses theoretical modeling and measurement to address the subject matter empirically to explore how physics could help Africa combat climate change. |
ABIOLA ILORI ; Naven Chetty; |
| 11 | Diversity of Planetary Climates: New Revelations in The Era of The James Webb Space Telescope Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk will focus on the smaller range of planets, ranging up to 3 Earth radii. |
Raymond Pierrehumbert; |
| 12 | Ice-ocean Interactions in The Solar System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will describe how insights from polar research may help us understand ocean properties on icy satellites. |
Nicole Shibley; |
| 13 | Fluid Dynamics of Jupiter in The Lab: Deep Jets and Floating Vortices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will describe the generic force balance responsible for the three-dimensional pancake-like shape and surprising stability of the Great Red Spot. |
Michael Le Bars; |
| 14 | Extreme Precipitation in A Changing Climate Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Precipitation varies strongly in space and time, integrates over many physical processes unfolding at many different scales, and is highly non-gaussian. In this talk I will discuss work to advance our understanding of changes in precipitation, using climate models as well as observations and developing new approaches to quantify precipitation change, along the way rethinking what we mean by precipitation variability and its extremes. |
Angeline Pendergrass; |
| 15 | Typicality of The 2021 Western North America Summer Heatwave Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using a methodological framework based on LDT and taking advantage of long simulations by a state-of-the-art Earth system model, we investigate the 2021 Western North America summer heatwave. |
Valerio Lucarini; |
| 16 | Studies of Extreme Weather Using Huge Ensembles of Machine-Learning-based Climate Emulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We describe how to bring the power of machine learning (ML) to generate climate hindcasts at four to five orders-of-magnitude lower computational cost than conventional numerical methods. |
William Collins ; Ankur Mahesh ; Travis O’Brien ; Karthik Kashinath ; Michael Pritchard ; Peter Harrington; |
| 17 | An Investigation of Tipping Mechanisms in A Carbon Cycle Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate R-tipping and N-tipping events in a carbonate system in the upper ocean, in which the key objective is understanding how the system undergoes tipping away from a stable fixed point in a bistable regime. |
Katherine Slyman ; Christopher Jones ; Emmanuel Fleurantin; |
| 18 | A Modeling Framework to Investigate Impact of Increased Storm Variability on Self-Organized Vegetation Patterns in Drylands Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We model the slow subsystem as the time-evolution of a reaction-diffusion equation, and we treat the storms as instantaneous kicks of added water. |
Matthew Oline ; Punit Gandhi ; Mary Silber; |
| 19 | Long-term Instabilities and Unphysical Drifts of AI Weather Models: Challenges of Learning Multi-scale Dynamics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a new algorithm, FouRKS (Fourier regularized loss function with Runge-Kutta integration and Self-supervising layer), which significantly reduces the spectral bias and enables long-term stable, physically consistent integrations. |
Pedram Hassanzadeh ; Ashesh Chattopadhyay; |
| 20 | Observations of Localized Submesoscale Kinetic Energy Fluxes Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Ocean dynamics at the submesoscale play a key role in mediating upper-ocean energy dissipation and dispersion of tracers. Observations of ocean currents from synoptic mesoscale … |
Mara Freilich ; Luc Lenain ; Sarah Gille; |
| 21 | Cloud Absorption and Fog Heating By Visible Light Due to Photomolecular Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study suggests that photomolecular effect can highly influence the global climates. |
Gang Chen ; Guangxin Lv ; Yaodong Tu ; James Zhang ; Caterina Grossi ; Briana Cuero; |
| 22 | Name: Douglas J. JerolmackTitle: The Fragile Earth Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Earth is also fragile matter: apparently solid soil can suddenly lose rigidity when stressed by rainfall or earthquake shaking; and earth materials exhibit creep, aging and hysteresis. In this talk I consider some existential challenges of living sustainably on a fragile (matter) planet, and advocate for the need of Soft Matter Physics to address these challenges. |
Douglas Jerolmack; |
| 23 | 3D Discrete Element Model and Continuum Theory for Quasi-static Granular Flow of Ice Mélange Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To study the effect of fjord friction on mélange behaviors, we adopt straight and rugged channel configurations. |
Yue Meng ; Riley Culberg ; Justin Burton ; Kavinda Nissanka ; Michael Shahin ; Leigh Stearns ; Ching-Yao Lai; |
| 24 | Rheological Fingerprints of Soft Earth Suspensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These dense suspensions-based geophysical flows are becoming more dangerous and increasing in frequency, exacerbated by the climate change effects. Today, a dichotomy exists, between granular pore pressure and complex fluid rheology, in explaining the origins of flow behavior of these dense soil slurries, prompting a fundamental question: Is there a generalized way to capture their `failure’ and `flow’ mechanics to propose better hazard prediction models? |
Shravan Pradeep ; Paulo Arratia ; Douglas Jerolmack; |
| 25 | Impact of Salinity on Rheology Properties and Erosion Threshold of Sand-Clay Mixture Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our results provide critical insights into the erosion of salinity-responsive sand-clay mixtures, commonly found in wetlands, coastal areas, and estuaries. The dependence of erosion threshold and rheological properties on salinity we identified will facilitate future designs of erosion control structures and prediction of sediment transport in these environments. |
Soukaina Benaich ; Judy Q.Yang; |
| 26 | Force Signatures of Creep in A Photoelastic Granular Medium Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Controlled disturbances to the pile are used to instigate creep events. We investigate the evolution of the force network and particle rearrangements to illuminate signatures of these events. |
Cacey Bester ; Elena Lee ; Nakul Deshpande ; Douglas Jerolmack; |
| 27 | Findings and Lessons Learned While Translating Statistical Physics to Soft Earth Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk discusses findings and lessons from viewing natural earth materials through a granular lens. |
Vashan Wright ; Jhardel Dasent ; Richard Kilburn ; Nakul Deshpande ; Evie Gedmenas ; Kenneth Su ; Aditya Advania ; Leo Anderman ; Ted Brzinski ; Karen Daniels; |
| 28 | Earthquake Nucleation and The Initiation of Frictional Ruptures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As nucleation is not described by the usual frameworks that are used to explain rupture propagation, understanding the driving mechanism of it is of fundamental importance to questions ranging from earthquake nucleation and prediction to processes governing material failure. We propose a theoretical model for this mechanism, and show that it captures the unique characteristics of the nucleation process as well as the transition to dynamic rupture propagation that is described by standard fracture mechanics. |
Shahar Gvirtzman ; Jay Fineberg; |
| 29 | Earthquakes at The Lab Scale and Their Memory Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In my talk, I will present recent experimental results where we investigated the effect of the strain rate we impose on our sample on the memory effect we observe[2]. |
Ambroise Mathey ; Axelle Amon ; Jérôme Crassous; |
| 30 | Local Failure of Gradually Tilted Cohesive Granular Beds Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, experiments with controlled cohesive grains are used to investigate the observed shape of failure, using a 3D topographic reconstruction. |
Ram Sudhir Sharma ; Matthis Vaudable ; Eric Lajeunesse ; Alban Sauret; |
| 31 | Failing Just Right: Unraveling The Seabed Sediment Collapse Phenomenon Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work provides a general framework to predict the failure of seabed sediments, which can aid in protecting underwater infrastructure. |
Eric Sigg ; Douglas Jerolmack ; Shravan Pradeep ; Paulo Arratia; |
| 32 | Statistical Laws of Stick-slip Friction at Mesoscale Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report a systematic study of stick-slip friction over a mesoscale contact area using a hanging-beam lateral atomic-force-microscope, which is capable of resolving frictional force fluctuations generated by individual slip events and measuring their statistical properties at the single-slip resolution. |
Penger Tong ; Caishan YAN ; Pik-Yin Lai ; Hsuan-Yi Chen; |
| 33 | Cooperative Transport of Emulsions in Porous Media Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate the transport of emulsions in a micromodel of porous medium using microfluidics and optical imaging. |
Shima Parsa; |
| 34 | Active Matter Transport in Porous Mediums Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will show how the worm employs the different strokes to move through the medium, which changes character with increasing overburden pressure. |
Arshad Kudrolli; |
| 35 | Foam Transport in Porous Media Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Foams are essential in a variety of geophysical systems such as enhanced oil recovery, environmental remediation, to subsurface carbon dioxide sequestration. Thus, there is a need … |
Sibani Lisa Biswal ; Yiwei Wang; |
| 36 | Phoretic Delivery of Colloids to Biofilms in Complex Environments Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present an effective approach to enhance nanoparticle penetration into biofilms formed in complex environments. |
Zehao Chen ; Amir Pahlavan; |
| 37 | Barriers, Chutes and Long-range Transport of Active Tracers in Vortex Flows Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present experiments on the effects of imposed, two-dimensional, laminar flows on the motion of self-propelled tracers. |
Thomas Solomon ; Nghia Le; |
| 38 | The Dynamics of Swimmers in Vortex-dominated Flows: The Role of Rotational Noise Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use dynamical systems techniques to study the transport of swimming microorganisms, such as the marine algae tetraselmis, in vortex-dominated, two-dimensional flows. |
Kevin Mitchell ; Taylor Whitney ; Thomas Solomon; |
| 39 | Life of Cyanobacteria in Turbulent Lakes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A numerical model based on non-linear population dynamics describes the measured size distribution. |
Yuri Sinzato ; Robert Uittenbogaard ; Petra Visser ; Jef Huisman ; Maziyar Jalaal; |
| 40 | Microbe-fluid-sediment Interactions in Aquatic and Terrestrial Ecosystems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss how I use flume experiments to study sediment transport, microfluidic experiments to study soil carbon dynamics, and meso-scale microbial experiments to study bacterial spreading in soil. |
Judy Yang; |
| 41 | Aerobiology with Acoustic Levitation Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Airborne microbes critically impact our everyday lives, e.g., rainfall, disease spread, land fertilization, and food production. Often these microbes hitchhike on particulates – … |
Derrick Rodriguez ; Ranjiangshang Ran ; Schuyler Arn ; Keiran Stevenson ; Minsu Kim ; Josef Dufek ; Joshua Mendez Harper ; Justin Burton; |
| 42 | Submerged Cohesive Granular Collapse: Influence of Packing Density Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore the submerged collapse of cohesive granular columns, as a function of packing density and cohesive force strength, via grain-resolving direct numerical simulations. |
Eckart Meiburg ; Rui Zhu; |