American Geophysical Union 2026

AGU26 will convene the world's leading Earth and space scientists from December 7–11 in San Francisco. This page highlights the talks and sessions from SilverLining's team, partners, and collaborators advancing atmospheric observations.

Sessions marked SilverLining include presentations or conveners from SilverLining collaborators. All times are Pacific Time.

Monday, December 7

A11E · Oral · Atmospheric Chemistry General Session I

  • 8:40 AM · Halogen-driven oxidation in the Arctic: DMS oxidation before melt onset · Jeffrey Pierce, Colorado State University

GH11B · Oral · Atmospheric Dust: Advances in Modeling, Ground-Based Validation, and Human Impacts I

  • 9:16 AM · Bottom-up dust emission modeling over crop and fallow lands · Jeffrey Pierce, Colorado State University

A12D · Oral · Atmospheric Chemistry in the Fire Plume I

  • 11:00 AM · First hourly GEO-LEO fire emission inventory for Southeast Asia · Richard Moore, NASA Langley Research Center

A13U · Poster · Atmospheric Research Supported by Uncrewed Aerial Systems and Tethered Balloon Systems · 2:15 – 5:45 PM

  • Tethered balloon vertically resolved aerosol size distributions, DOE ARM CoURAGE and BNF · Fangqun Yu, University at Albany

A13S · Poster · Atmospheric Chemistry and Multiphase Processes in Coastal Megacities II · 2:15 – 5:45 PM

  • Assessing background conditions and source regimes on NPF event days, TRACER-MAP · Jeffrey Pierce, Colorado State University

GC13A · Oral · Advances in Climate Engineering Science: Benefits, Risks, and Uncertainties III

  • 2:55 PM · Mitigating marine heatwaves via short-term, localized marine cloud brightening · Haruki Hirasawa, University of Washington

Tuesday, December 8

A21N · Poster · General Contributions in Remote Sensing with an Emphasis on Integrating Multiplatform Observations of Trace Gases in Earth's Atmosphere I · 8:30 AM – 12:00 PM · SilverLining

  • Physics Regime Informed State Estimation (PRISM): complementarity of diverse satellite and in situ observations · Corinne Hartin, Arlyn Andrews, Paige Brocidiacono, Thomas Ryerson, SilverLining

A21R · Poster · Quantifying Greenhouse Gas Emissions: Methodological Advances and Urban to National Applications III · 8:30 AM – 12:00 PM · SilverLining

  • Urban-AMMS performance in the Washington, DC and Baltimore, MD metropolitan area · Arlyn Andrews, SilverLining

A21K · Poster · Constraining Greenhouse Gas Exchange Processes Using Remote Sensing and In Situ Observations II · 8:30 AM – 12:00 PM · SilverLining

  • Satellite-constrained carbon fluxes in eastern tropical Africa vs in situ vertical profiles · Arlyn Andrews, SilverLining

GC21M · Poster · Advances in Climate Engineering Science: Benefits, Risks, and Uncertainties IV · 8:30 AM – 12:00 PM

  • Large eddy simulations: how climate warming influences marine cloud brightening (online) · Sarah Doherty, Rob Wood, University of Washington

  • Increasing efficacy of midlatitude marine cloud brightening simulated by CESM2 · Haruki Hirasawa, University of Washington

  • How much does SRM strategy matter? Alternative scenarios that produce global cooling · Matthew Henry, University of Exeter

A21F · Poster · Advancing Understanding of Combustion Aerosols and Their Impacts on Earth's System II · 8:30 AM – 12:00 PM

  • Sustainable aviation fuel vs conventional Jet A: sulfate and oil particulate emissions · Richard Moore, Seth Thompson, NASA Langley Research Center

A21H · Poster · Atmospheric Chemistry in the Fire Plume II · 8:30 AM – 12:00 PM

  • Evolution of black carbon coatings during FIREX-AQ · Richard Moore, NASA Langley Research Center

GC21L · Poster · Solar Radiation Modification Impacts Across Ocean, Earth, and Human Systems: Insights from Observations and Models II · 8:30 AM – 12:00 PM

  • Impact of SAI on irradiance metrics for agricultural productivity using wildfire smoke analogs · Jeffrey Pierce, Colorado State University

A21C · Poster · Advances in Atmospheric Composition, Air Quality, and Health I · 8:30 AM – 12:00 PM

  • Machine learning with satellite, model and measurement data to estimate surface PMcoarse · Jeffrey Pierce, Colorado State University

U22A · 2026 New Generation of Scientists II · 10:30 AM – 12:00 PM

  • Convener: Haruki Hirasawa, University of Washington

A24B · Oral · Aerosol Mixing State Across Scales: From Observations to Modeling and Implications for Climate and Air Quality I

  • 4:15 PM · Kinetic partitioning of secondary organic aerosols in chemical transport modeling · Jeffrey Pierce, Colorado State University

  • 4:55 PM · From particle-scale surfactant effects to global aerosol-cloud forcing: machine-learning diagnostic framework · Fangqun Yu, University at Albany

Wednesday, December 9

NG31A · Poster · Developments in Machine Learning Across Earth System Modeling: Subgrid-Scale Parameterizations, Emulation, and Hybrid Modeling III · 8:30 AM – 12:00 PM

  • Machine-learning climate emulator for spatiotemporal cooling from marine cloud brightening · Rob Wood, Zihui Liu, University of Washington

A31H · Poster · Radiation and Associated Measurements into, out of, and Within the Earth System from Ground, Air, and Space and Their Utility for Diverse Geophysical Applications II · 8:30 AM – 12:00 PM

  • Retrieving aerosol complex refractive indices from in situ 300–800 nm extinction and absorption spectra · Bruce Anderson, NASA Langley Research Center

A33M · Poster · Middle Atmosphere: Composition, Dynamics, Radiation, and Emerging Threats in an Era of Observational Gaps I · 2:15 – 5:45 PM · SilverLining

  • Conveners: Corinne Hartin, Arlyn Andrews, SilverLining

  • Science information needs for a changing stratosphere: baseline state, detection, quantification, attribution · Corinne Hartin, Arlyn Andrews, Thomas Ryerson, Sarah Doherty, Rob Wood, Jean-Francois Lamarque · SilverLining; University of Washington; NCAR

  • Disentangling the radiative impact of contrail cirrus from natural background using observational evidence · Jim Haywood, University of Exeter

  • Observed cloud and radiative forcing impacts of shipping sulfur dioxide reductions · Jim Haywood, University of Exeter

A33O · Poster · Stratospheric Dynamics, Aerosol Processes, and Interactions with the Troposphere I · 2:15 – 5:45 PM

  • Convener: Fangqun Yu, University at Albany

  • Process-level intercomparison of aerosol microphysics models for stratospheric aerosol injection · Jeffrey Pierce, Colorado State University

A33D · Oral · From Molecules to Atmosphere: Aerosol, CCN, and Water Cycle Processes I · from 2:15 PM

  • Convener: Jeffrey Pierce, Colorado State University

  • 2:55 PM · Aerosol number size distribution variability over the western North Atlantic · Richard Moore, NASA Langley Research Center

A34C · Oral · Aerosol-Cloud-Radiation Interactions and Relevant Processes for Climate Forcing in Earth System Models I · from 4:15 PM

  • Convener: Rob Wood, University of Washington

  • 4:45 PM · Deep-learning emulator of PARSEC aerosol activation for efficient Earth system modelling in UKESM · Jim Haywood, University of Exeter

A34A · Oral · Advances in Global Aerosol Modeling: Representation, Assimilation, and Prediction II

  • 4:30 PM · Overview of new aerosol features in E3SM version 3 · Philip Rasch, University of Washington

A34B · Oral · Advancing Research on Atmospheric Aerosols and Their Impacts on Clouds, Precipitation, Climate, Air Quality, and Health II

  • 4:55 PM · Strategies to evaluate biases and uncertainties in marine cloud brightening simulations · Sarah Doherty, Rob Wood, Haruki Hirasawa, Knut von Salzen, Lucas McMichael, Philip Rasch · University of Washington; University of Kansas

Thursday, December 10

A41L · Poster · From Molecules to Atmosphere: Aerosol, CCN, and Water Cycle Processes II · 8:30 AM – 12:00 PM

  • Convener: Jeffrey Pierce, Colorado State University

  • Modeling decadal trends in SO2 and new particle formation over the U.S., 1980 to present · Jeffrey Pierce, Colorado State University

  • New particle formation during Houston TRACER-MAP: metropolitan areas as source regions · Jeffrey Pierce, Colorado State University

A42F · Oral · Stratospheric Dynamics, Aerosol Processes, and Interactions with the Troposphere II · 10:30 AM – 12:00 PM

  • Convener: Fangqun Yu, University at Albany

  • 10:50 AM · Sulfuric acid-driven new particle formation relevant to stratospheric nucleation and contrail microphysics · Fangqun Yu, Bruce Anderson, Richard Moore, Seth Thompson · University at Albany; NASA Langley Research Center

  • 11:10 AM · Emergence of human influence on the ozone layer by the 1960s · Jean-Francois Lamarque, National Center for Atmospheric Research

A43M · Poster · Advances in Light Scattering and Radiative Transfer: Connecting Models and In Situ and Remote Sensing Observations I · 2:15 – 5:45 PM · SilverLining

  • SOAR: Sustained Observations for Atmospheric Resilience, adaptive sensing network · Arlyn Andrews, Paige Brocidiacono, SilverLining

A43O · Poster · Advancing Research on Atmospheric Aerosols and Their Impacts on Clouds, Precipitation, Climate, Air Quality, and Health III · 2:15 – 5:45 PM

  • Meteorology modulates a time-dependent aerosol effect on evolving marine low clouds · Rob Wood, University of Washington

  • Aerosol properties across Southeast Asia during ASIA-AQ · Richard Moore, NASA Langley Research Center

A43I · Oral · Stratospheric Dynamics, Aerosol Processes, and Interactions with the Troposphere IV

  • 2:15 PM · Process uncertainties for SO2-to-aerosol transformation in stratospheric aerosol injection · Jeffrey Pierce, Colorado State University

  • 2:25 PM · Particle formation in stratospheric SO2 and H2S injection plumes: ionization, latitude, altitude · Fangqun Yu, University at Albany

  • 2:45 PM · Plume-in-grid framework for stratospheric aerosol evolution · Jeffrey Pierce, Colorado State University

NH44B · Oral · Advances in Solid Earth Geohazards: From Process Understanding to Forecasting and Risk Mitigation III

  • 4:15 PM · Climate-volcano feedbacks under global warming (online) · Jim Haywood, University of Exeter

A44B · Oral · Aerosol Climate Intervention: From Fundamental Processes to Global Impacts I · 4:15 – 5:45 PM

  • Convener: Haruki Hirasawa, University of Washington

  • 5:05 PM · Stratospheric ozone projections under sulfur-based SAI: multi-model G6-1.5K-SAI experiment · Jim Haywood, Matthew Henry, University of Exeter

Friday, December 11

A51L · Poster · Aerosol-Cloud-Radiation Interactions and Relevant Processes for Climate Forcing in Earth System Models II · 8:30 AM – 12:00 PM

  • Convener: Rob Wood, University of Washington

  • Impacts of 2020 Australian wildfires on La Niña · Rob Wood, Haruki Hirasawa, University of Washington

A51J · Poster · Aerosol Climate Intervention: From Fundamental Processes to Global Impacts II · 8:30 AM – 12:00 PM

  • Convener: Haruki Hirasawa, University of Washington

  • Chemical and radiative effects of halogen emissions from marine cloud brightening · Haruki Hirasawa, Knut von Salzen, University of Washington

A51R · Poster · Dust in a Changing Climate: From Small-Scale Insights to Large-Scale Understanding III · 8:30 AM – 12:00 PM

  • Coarse-mode anthropogenic dust emissions underestimated in the contiguous U.S. · Jeffrey Pierce, Colorado State University

A51D · Oral · Middle Atmosphere: Composition, Dynamics, Radiation, and Emerging Threats in an Era of Observational Gaps II · 8:30 – 10:00 AM · SilverLining

  • Conveners: Corinne Hartin, Arlyn Andrews, SilverLining

A51E · Oral · Observation and Model Studies of Cloud Properties and Associated Processes I

  • 8:40 AM · Contrasting diel response of cloud cover and cloud water to varying drop concentrations · Sarah Doherty, Rob Wood, University of Washington

  • 9:10 AM · Representing regional-scale dynamical responses to localized aerosol-cloud interactions · Sarah Doherty, Rob Wood, Lucas McMichael · University of Washington; University of Kansas

GC51A · Oral · Advances in Understanding and Subseasonal to Decadal (S2D) Predictability of High-Latitude Earth System (HLES) Changes and Impacts: Observations, Dynamical Modeling, and AI II

  • 9:10 AM · Regionally refined coupled modeling for S2D predictability of Arctic land surface processes · Philip Rasch, University of Washington

GC51D · Oral · Earth System Forcing: Quantifying the Roles and Responses of Natural and Anthropogenic Drivers II

  • 9:20 AM · Climate responses to preindustrial-to-present-day tropospheric ozone changes · Jean-Francois Lamarque, National Center for Atmospheric Research

A52D · Oral · Middle Atmosphere: Composition, Dynamics, Radiation, and Emerging Threats in an Era of Observational Gaps III · 10:30 AM – 12:00 PM · SilverLining

  • Conveners: Corinne Hartin, Arlyn Andrews, SilverLining

GC52E · Oral · Progress Toward Understanding the Growing Earth's Energy Imbalance (EEI) II

  • 10:42 AM · Aerosol forcing from aerosol-cloud interactions and the rise in Earth's energy imbalance · Rob Wood, University of Washington

A52E · Oral · Observation and Model Studies of Cloud Properties and Associated Processes III

  • 11:30 AM · Sea surface warming and lower-troposphere stabilizing controls on low cloud feedback · Rob Wood, University of Washington