Monday, June 8: Model Clinics
Tuesday, June 9: Model Overview | Carbon I | Aerosols and Chemistry I | Breakouts | Posters
Wednesday, June 10: Aerosols and Chemistry II | Air Quality I | Transport | Breakouts | Posters
Thursday, June 11: Fires | Air Quality II| Carbon II | Breakouts | Posters
Friday, June 12: Working Group Reports
Monday, June 8
Model Clinics- Getting Started with GEOS-Chem (Bob Yantosca, Harvard)
- Working with the high-performance GEOS-Chem (GCHP) (Sebastian Eastham, Imperial College London)
- Running GEOS-Chem with WRF (WRF-GC) (Aoxing Zhang, SUSTech)
- Working with the GEOS-Chem adjoint (Daven Henze, CU Boulder)
- Running GISS-GC/GCAP/ICECAP (Lee Murray, U. Rochester)
- Using CHEEREIO LETKF (Drew Pendergrass, Duke)
- GEOS-Chem on the cloud (Yuanjian Zhang and Bill Zhuge, WashU)
- Early career activity (Eloise Marais, UCL and Seb Eastham, Imperial College)
Tuesday, June 9
Model overview (chair: Eloise Marais, UCL)- Welcome to IGC12 (Eloise Marais, UCL)
- Welcome to Washington University (Bronwen Konecky, WashU Center for the Environment)
- GEOS-Chem overview (Randall Martin, WashU)
- Recent results and updates from the GEOS-Chem Adjoint Model (Daven Henze, CU Boulder)
- NASA Earth System Science Research Program: What these changes mean for GEOS-Chem (Emma Knowland, NASA HQ)
- Overview of GEOS-CF (Viral Shah, NASA GMAO and Morgan State U.)
- Stratospheric composition in the GEOS Composition Forecast (GEOS-CF) system (Pam Wales, NASA GMAO and Morgan State U.)
- What might GEOS-CF look like in the future: links between NASA and GEOS-Chem? (Steven Pawson, NASA GMAO)
- KEYNOTE: Towards a wholistic and sustainable atmospheric/Earth observing system (Arlyn Andrews, SilverLining Organization)
- The Integrated Methane Inversion (Daniel Jacob, Harvard)
- Developing the Integrated Carbon Inversion / Analytical estimation of carbon dioxide fluxes and information content from OCO-2 satellite data (Hannah Nesser, Caltech/JPL)
- Worldwide inference of national methane emissions by inversion of satellite observations with UNFCCC prior estimates (James East, Harvard/IMEO)
- Modeling tropospheric aerosols over the western North Atlantic Ocean during the NASA ACTIVATE mission (Bo Zhang, NIA)
- Trends and seasonality of 2013–2025 global ammonia emissions inferred from a localized ensemble transform Kalman filter applied to IASI observations (Drew Pendergrass, Duke)
- Lightning source of nitrogen oxides inferred from geostationary satellites: global implications for oxidant chemistry (Ruijun Dang, PKU/Harvard)
- Improving global [OH] representation in atmospheric chemistry models to correct bias in estimated climate impacts of hydrogen and methane (Megan He, Harvard)
- Contribution of organic matter to aerosol number and size over the global ocean: Insights from GCHP-TOMAS (Betty Croft, WashU/Dalhousie)
- Reexamining impacts of marine cloud brightening on atmospheric chemistry: Sensitivity to deployment magnitude, location, and particle size (Hannah Horowitz, UIUC)
- The impact of heterogeneous iodine chemistry on reactive halogen abundances and oxidants (Alli Moon, U. Washington)
- Emissions Working Group (chairs: Eloise Marais, U. College London; Lyatt Jaeglé, U. Washington; Jintai Lin, Peking U.)
- Chemistry-Climate Working Group (chairs: Lee Murray, U. Rochester; Hong Liao, NUIST)
- Transport Working Group (chairs: Katie Travis, NASA LaRC; Andrew Schuh, CSU)
- Impacts of future emission scenarios for aircraft and carbon capture technologies (Kelvin Bates, CU Boulder)
- Global OH–CO–CH4 budget (2003-2022): Assessing the roles of emissions, meteorology, and chemistry (Amin Mirrezai, U. Arizona)
- A new quarter-century assimilation of methyl chloroform using the GEOS-Chem adjoint to constrain OH variability: The importance of ocean outgassing (Liz Thomson, U. Rochester)
- FarmFlux: A NASA Earth Venture Suborbital Mission to advance predictive capacity of agriculture-atmosphere-chemistry interactions (Jeff Geddes, Boston U.)
- Investigating diurnal and sub-seasonal variability in reactive carbon fluxes over corn and soybean crop fields (Carter Swenson, Purdue)
- Examining long term spatiotemporal variability in atmospheric ammonia over the US: Integrating model, satellite, and surface observations (Matt Weil, Boston U.)
- Estimation of launch vehicle emissions through inversion of TEMPO geostationary satellite observations using GCHP (Helena McDonald, Harvard)
- Shape factor and aerosol-corrected NO2 retrievals over biomass burning regions (Joe Palmo, MIT)
- Urban Air Quality in the United States: Integrating Surface and Satellite Observations with Models to Identify Potential Research Priorities (Katie Travis, NASA Langley)
- Top-down NOx emissions estimation with physically informed deep learning (Adam Bloom, NC State)
- Toward constraining reactive Nitrogen emissions and associated PM₂.₅ health impacts in the United States (Kate Rodelli, CU Boulder)
- Model-measurement discrepancies in mercury oxidation: Insights from new experiments (Jackson Coley, U. Utah)
- Evaluating the anthropogenic impact on Arctic ice-core iodine trends (Sierra Dabby, U. Washington)
Wednesday, June 10
Aerosols and Chemistry II (chair: Will Porter, UC Riverside)- KEYNOTE: Tackling complexity and bridging scales in atmospheric chemistry modeling (Faye McNeill, Columbia)
- Contribution of aerosol-phase processing of isoprene epoxydiols to gas-phase abundances of small acids (Eloise Marais, UCL)
- How propagated errors in heterogeneous halogen chemistry impact chlorine recycling (Jessica Haskins, U. Utah)
- Evolving sensitivity of PM2.5 to emission controls in a changing atmospheric chemical regime (Laura Yang, WashU)
- Revisiting the global budget of atmospheric glyoxal (Aoxing Zhang, SUSTech)
- Implementation of kinetic partitioning of secondary organic aerosols in GEOS-Chem (Regina Luu, UC Irvine)
- High-resolution modeling of air quality and greenhouse gases in the Greater Toronto Area using WRF-GC (Dylan Jones, U. Toronto)
- Substantial model underestimation of elevated biogenic emissions in North China (Ke Li, NUIST)
- Increasingly important background aerosols and gases in East Asia (Shixian Zhai, CUHK)
- Evaluating the evolution of the chemical composition of global PM2.5 exposure over 2003-2023 with GEOS-Chem High-Performance (Yuanjian Zhang, WashU)
- The adjoint-based global exchange of PM2.5, O3 and NO2 health benefits and burdens in the Shared Socioeconomic Pathways (Patrick Wiecko, CU Boulder)
- Enhancing estimation of surface fine particulate matter concentrations using deep learning with GEOS-Chem simulation (Siyuan Shen, WashU)
- Using SF6 to characterize and compare atmospheric transport uncertainty across a suite of models including GCC-MERRA2 and GCC-GEOS-IT (Jessie Lyons, CSU)
- Demonstration of atmospheric transport as the primary source of uncertainty in atmospheric flux inversions of long-lived trace gases (Andrew Schuh, CSU)
- Underestimation of ozone vertical transport from stratosphere induced by horizontal grid coarsening (Chi Li, WashU)
- 12-km resolution capability in GEOS-Chem (Xiaolin Wang, Harvard)
- From injection to forcing: Evolution of pyrocumulonimbus in the upper troposphere and lower stratosphere (Gan Luo, SUNY-Albany)
- Resolving In-plume chemistry and plume evolution in the stratosphere using a plume-in-grid framework (Bingqing Zhang, U. Chicago)
- Emulating chemistry and climate with an isotope-enabled foundation model (Eliot Kim, U. Washington)
- Aerosols Working Group (chairs: chairs: Qi Chen, PKU; Jeff Pierce, CSU; Will Porter, UC Riverside)
- Carbon gases Working Group (chairs: Kevin Bowman, JPL; Dylan Jones, U. Toronto)
- Surface-atmosphere exchange Working Group (chairs: Jeff Geddes, Boston U.; Chris Holmes, Florida State U.; Amos Tai, Chinese U. Hong Kong)
- Global formaldehyde production from isoprene oxidation constrained by chamber experiments and global model simulations (Ursula Jongebloed, MIT)
- Satellite-derived vs. ground truth: How environmental conditions modify their agreement across the western United States (Summer Acker, UIUC)
- Interannual drivers of atmospheric methanol as seen from space and predicted by GEOS-Chem (Joey Kearney, U. Minnesota)
- Source constraints from a long-term, harmonized space-based record of isoprene and methanol (Kelley Wells, U. Minnesota)
- Seasonal urban ozone flux measurements indicate strong nonstomatal loss (Michael Vermeuel, Purdue)
- Assessing GEOS-Chem organic aerosol simulations with globally consistent ground-based measurements (Yuxuan Ren, WashU)
- Global exposure to fine particulate matter is highly controllable (Nidhi Anchan, WashU)
- Air Quality Impacts of Southern California’s Polluted Tijuana River (Will Porter, UC Riverside)
- Using the integrated observing system for air quality to improve our understanding of urban NO2 pollution in New York (Tabitha Lee, NASA Langley)
- Modeling particulate matter and quantifying source contributions in the Central America region (Ana Lasso de la Vega Guerra, CSU)
- Using Lagrangian analyses to understand the full scope of urban new particle formation during the Houston TRACER-MAP campaign (Hannah Grace Marti, CSU)
- Contribution of subgrid plume-scale new particle formation to aerosol number concentration and CCN (En Li, CSU)
- NASA’s planned GEOS-CR (composition reanalysis) (Steven Pawson, NASA)
- Model representation of wet deposition strongly influences global tropospheric reactive halogens and oxidants (YC Chan, U Southern California)
Thursday, June 11
Fires (chair: Jessica Haskins, U. Utah)- KEYNOTE: Chemical evolution of wildfire plumes: From emission source to thousands of kilometers downwind (Lu Xu, WashU)
- Distinct impacts of prescribed fires and wildfires on U.S. air quality (Chris Holmes, FSU)
- Sensitivity of simulated aerosol optical depth and PM2.5 to biomass burning emission inventory selection (Patrick Hayes, U. Montreal)
- Improving QFED fire emission factors using VIIRS modified combustion efficiency (Weizhi Deng, U. Iowa)
- Assessing the sources of discrepancies in top-down CO emission estimates from wildfires (Harshil Neeraj, U. Toronto)
- Constraining wildfire reactive nitrogen chemistry in GEOS-Chem: Implications for downwind ozone and air quality (Mashiat Hossain, UIUC)
- Surface ozone air quality under extreme heat: insights from Pandonia Global Network (PGN) (Tianlang Zhao, U. Alaska Fairbanks)
- The Contribution of Agricultural and Other Anthropogenic Dust Emissions to Ambient Coarse Particulate Matter in the U.S (Haihui Zhu, CSU)
- Top-down summertime nitrogen oxide (NOx) emissions using the Resolution Optimized Mass Balance Approach (ROMBA) (Deepangsu Chatterjee, Rutgers)
- Emissions and modeling of atmospheric iron in China (Junjun Luo, CUHK)
- Enhancing global machine learning for surface NO2 estimation using process-based information from High-Performance GEOS-Chem (GCHP) (Yu Yan, WashU)
- Impacts of large-scale deployment of Ocean Alkalinity Enhancement (OAE) technologies on air quality and short-lived climate forcers (YC Chan, USC)
- High resolution carbon simulations from GCHP (Kevin Bowman, JPL)
- Constraining meridional, seasonal and interannual variability in OH with new global measurements of 14CO in GEOS-Chem (Lee Murray, U. Rochester)
- Global fine-resolution analytical inversion of TROPOMI methane observations enabled by the stretched-grid high-performance GEOS-Chem model (Dandan Zhang, Harvard)
- 12-km GEOS-Chem enables high resolution methane inversions: A case study in Nigeria (Lauren Potyk, Harvard)
- Characterizing fire VOC emissions using space-based, airborne, and model constraints (Julieta Juncosa Calahorrano, U. Minnesota)
- Resolve methane source versus sink changes via methane oxidation chain (Xueying Yu, SUNY-Albany)
- Chemistry Working Group (chairs: Barron Henderson, US EPA; Lu Hu, U. Montana)
- Adjoint Model and Data Assimilation Working Group (chairs: Daven Henze, U. Colorado; Jun Wang, U. Iowa)
- Software engineering Working Group (chairs: Lizzie Lundgren, Harvard; Melissa Sulprizio, Harvard; Bob Yantosca, Harvard)
- Gas-phase species and aerosol impacts on UTLS ozone after the 2019/2020 Australian fires (William Julstrom, U. Iowa)
- First aircraft-based VOC measurements using thermal infrared remote sensing: Mapping fire plumes with the Scanning High-Resolution Interferometer Sounder (S-HIS) (Chengyuan Hu, U. Minnesota)
- Characterizing emissions, chemistry, and health Impacts of aged wildfire smoke in Missoula, Montana: constraints from surface observations and GEOS-Chem (Lixu Jin, Rutgers)
- Impacts of wildfires on air quality in the Great Lakes Region (Dayana Manrique, Michigan Tech)
- Quantifying wildfire contributions to ambient polycyclic aromatic hydrocarbon (PAH) levels over North America using a chemical transport model (MD Jahidul Islam, Washington State U.)
- Improving global secondary organic aerosol estimates using laboratory-derived data (Yanyu Zhang, UC Riverside)
- Urban measurements help constrain novel anthropogenic ethanol sources (Raphael Odai, CU Boulder)
- Higher efficiency washable filters and aerosol resource recovery enhance sustainable indoor ventilation (Yibo Zhao, U. Minnesota)
- Preliminary multi-campaign evaluation of western U.S. ozone chemistry with GEOS-Chem Classic nested simulations (Lexie Rhodes, U. Montana)
- HEMCO-hyd: A user-friendly, hyperdual scaling of emissions for source-oriented sensitivity analysis (Samuel Akinjole, Drexel)
- Diffusion-based probabilistic air quality forecasting with mechanistic insight (Ao Ding, HKPU)
Friday, June 12
GEOS-Chem Working Group Priorities (chair: Randall Martin, WashU)- Emissions (Eloise Marais, UCL)
- Chemistry (Kelvin Bates, CU Boulder and Jessica Haskins, U. Utah)
- Aerosols (Will Porter, UC Riverside)
- Chemistry-climate (Lee Murray, U. Rochester)
- Model adjoint and data assimilation (Daven Henze, CU Boulder and Zhen Qu, North Carolina State U.)
- Transport (Katie Travis, NASA LaRC and Andrew Schuh, CSU))
- Surface-atmosphere exchange (Jeff Geddes, Boston U. and Chris Holmes, FSU)
- Carbon gases (Kevin Bowman, JPL and Dylan Jones, U. Toronto)
- Software engineering (Bob Yantosca, Harvard)
- Stratosphere (Sebastian Eastham, Imperial College and Pam Wales, NASA GMAO)
- Mercury and POPs (Hannah Horowitz, UIUC)
- GEOS-Chem development priorities: open discussion (Randall Martin, WashU, discussion lead)