10th International GEOS-Chem Meeting (IGC10)
Washington University, June 7-10, 2022 (model clinics on June 6)
Oral sessions: Hillman 60
Poster sessions: Whitaker Atrium

On site poster printing option

Presenters can print posters onsite via FedEx located in the campus bookstore on the ground level of the Mallinckrodt Center: 6465 Forsyth Blvd St. Louis, MO 63105, 314-862-2173

10th International GEOS-Chem Meeting (IGC10)
Washington University, June 7-10, 2022 (model clinics on June 6)
Oral sessions: Hillman 60
Poster sessions: Whitaker Atrium
Final Agenda (June 3, 2022)

Day 0: Monday June 6 (starting at noon)

12:00 Lunch (Brauer Lobby and Brauer Arcade)
12-4 Registration desk open (Brauer Lobby)

Model clinics (Jubel 120)
1:00 Getting started with GEOS-Chem (Bob Yantosca, Melissa Sulprizio)
1:45 Working with the high-performance GEOS-Chem (GCHP) (Liam Bindle)
2:30 Running GEOS-Chem with WRF (WRF-GC) (Xu Feng, Haipeng Lin)
3:15 Break
3:45 Working with the GEOS-Chem adjoint (Daven Henze)
4:30 Running GC within CESM (Sebastian Eastham)

5:30-8 pm: Young Scientists’ Social (Refreshments in McKelvey Commons and Dinner in Green Collaboration Space)

Day 1: Tuesday June 7

8:30 Coffee, tea, pastries (Hillman 60)
Put up posters for all poster sessions (Whitaker Atrium)
8:30-12 Registration desk open (outside Hillman 60)

Model overview and new developments (chair: Daniel Jacob, Harvard)

9:00 Welcome to IGC10 (Daniel Jacob, Harvard)
9:05 Welcome to Washington University (Dean Aaron Bobick, WashU)
9:15 Welcome and GEOS-Chem overview (Randall Martin, WashU)
9:35 GEOS-Chem as a chemistry option in CESM (Sebastian Eastham, MIT)
9:45 GEOS-Chem adjoint overview (Daven Henze, Colorado U. Boulder)
9:55 Supporting NASA missions with the GEOS Composition Forecast System (Emma Knowland, NASA)
10:05 Evolving GEOS Systems: Snapshots and Timelines (Steven Pawson, NASA)

10:15 Coffee Break

Chemistry I (chair: Eloise Marais, U. College London)

10:40 A new ozone photochemical regime (Mat Evans, U. York)
10:50 Constraining Organic Nitrate Formation & Monoterpene Oxidation in GEOS-Chem (Jessica Haskins, MIT)
11:00 Sources and chemistry of ethanol (Kelvin Bates, Harvard)
11:10 Applications of the GEOS-Chem Stratosphere in the GEOS Composition Forecast Model (Pamela Wales, NASA GSFC)
11:20 Comparing the impacts of isoprene and iodine on tropospheric photochemistry (Ryan Pound, U. York)
11:30 Snowpack reactive bromine production and the implications on ice core interpretation (Shuting Zhai, U. Washington)
11:40 Simulation of NO2 vertical profiles over East Asia and their relation to oxidant chemistry (Laura Yang, Harvard)

11:50 Poster introductions (30 seconds, 1 slide):
A.1 Anthropogenic Sources of Methanol and Ethanol in East Asia (Ellie Beaudry, Harvard)
A.2 Modeling atmospheric production of perchlorate (Yuk Chun Chan, U. Washington)
A.3 Reactive carbon over Europe with constraints from a Zeppelin study (Xin Chen, MIT)
A.4 Atmospheric Chemistry, Carbon Cycle and Climate (AC4) Program (Shibajyoti Das, NOAA)
A.5 Retrievals of peroxyacetyl nitrate (PAN) from FTIR ground-based solar spectra, comparison with GEOS-Chem and satellite data (Irene Pardo Cantos, U. Liege)
A.6 Modelling the primary production of molecular hydrogen (H2) from the photolysis of aldehydes and its implications on the H2 tropospheric budget (Maria Paula Perez-Pena, UNSW Sydney)
A.7 Contributions to Arctic reactive bromine from snowpack and blowing snow sources in 2015 (William Swanson, U. Alaska)
A.8 Climatology of reactive nitrogen in the global upper troposphere deduced with recent and historical aircraft campaigns and GEOS-Chem (Nana Wei, U. College London)
A.9 Assessing Atmospheric Oxidation in GEOS-Chem with CrIS Isoprene Measurements (Joshua Shutter, U. Minnesota)

12:00 Lunch (Brauer Lobby and Brauer Arcade)

12-4 Registration desk open (Brauer Lobby)
1-3 GEOS-Chem Support Team help desk (Hillman 53 & Hillman 70)

Aerosols (chair: Will Porter, UC Riverside)

1:30 KEYNOTE: Experimental constraints on hydrolysis and photochemical fates of monoterpene organic nitrates (Nga Lee Ng, Georgia Tech)
1:50 Simulating Aerosol Number and Size with TOMAS in GCHP (Betty Croft, Dalhousie/WashU)
2:00 New measurements of 3-10 nm particle dry deposition and implications for chemical transport and climate models (Nicholas Meskhidze, NCSU)
2:10 Study of particle number concentrations and size distributions in the stratosphere using GEOS-Chem- APM (Fangqun Yu, SUNY Albany)
2:20 Application of GEOS-Chem in ‘Satellite-derived’ PM2.5 (Aaron van Donkelaar, WashU)
2:30 Letting a BAT fly in GEOS-Chem: water-sensitive organic aerosol formation (Camilo Serrano Damha, McGill U.)
2:40 Parameterization of Aerosol Size of Organic and Secondary Inorganic Aerosol for Efficient Representation of Global Aerosol Optical Properties (Haihui Zhu, WashU)
2:50 Coarse particulate matter air quality in East Asia: implications for particulate nitrate (Shixian Zhai, Harvard U.)
3:00 Contributions of marine sulfur chemistry to the seasonal variability of sulfate aerosol size distributions (Linia Tashmim, UC Riverside)
3:10 Increasing influence of Canada anthropogenic SO2 emission and the Great Lakes Region shipment SO2 emission on ultrafine particle number concentrations in New York State (Gan Luo, SUNY Albany)

3:20 Poster introductions (30 seconds, 1 slide):
A.10 Understanding sources of cloud condensation nuclei during summertime in Southeast US (Suqian Chu, SUNY Albany)
A.11 An assessment of the uncertainty in PM2.5 estimates and trends due to discontinuity in instruments and retrievals (Melanie Hammer, WashU)
A.12 Evaluating GEOS-Chem simulations of secondary inorganic aerosols using a suite of aircraft campaigns (Olivia Norman, MIT)
A.13 Effects of Dust Non-sphericity on Atmospheric Modeling (Inderjeet Singh, WashU)
A.14 Implications of using MERRA-2 cloud water in aerosol wet scavenging for Pb-210 surface concentrations and vertical profiles in GEOS-Chem (Bo Zhang, NASA LaRC)
A.15 A scheme for representing aromatic secondary organic aerosols in chemical transport models: application to source attribution of organic aerosols over South Korea during the KORUS-AQ campaign (Jared Brewer, Harvard)
A.16 Application of High Spectral Resolution Lidar (HSRL)-based methods for estimating PM2.5 during KORUS-AQ campaign (Application of High Spectral Resolution Lidar (HSRL)-based methods for estimating PM2.5 during KORUS-AQ campaign (Bethany Sutherland, North Carolina State U)
A.17 Smoke in the western United States: a comparison between satellite and airport observations (Tianjia (Tina) Liu, Harvard)
A.18 Quantifying the smoke aerosol mass injected into the stratosphere by pyrocumulonimbus activity (Will Julstrom, U Iowa)

3:30 Coffee Break

4:00-5:30 Working Group breakouts (including remote participation)
Aerosols Working Group (chairs: Becky Alexander, U. Washington; Jeff Pierce, CSU; Will Porter, UC Riverside; Fangqun Yu, SUNY-Albany) – Hillman 60
Carbon gases Working Group (chairs: Kevin Bowman, JPL; Dylan Jones, U. Toronto) – Jubel 120
Hg and POPs Working Group (chairs: Jenny Fisher, U Wollongong, Chris Holmes, FSU, Yanxu Zhang, Nanjing U) – Whitaker 218

5:30-8:00 Poster session A (Whitaker Atrium)
(please leave your poster up through Thursday evening)
Refreshments (Whitaker Atrium) and dinner buffet (Brauer Lobby)

Day 2: Wednesday June 8

8:30 Coffee, tea, pastries (Hillman 60)
8:30-9:30 Registration desk open (Outside Hillman 60)
9:30-4:00 Registration desk open (Brauer Lobby)

Emissions and surface fluxes (chair: Dylan Millet, U. Minnesota)

9:00 Brief Tutorial: GCHP, stretched grid, and bash data catalog (Liam Bindle, WashU)
9:10 Constraining Long-Term NOx Emissions over the United States and Europe to Improve Simulations of Tropospheric Ozone (Amy Christiansen, U. Montana)
9:20 Background NOx from aviation and fire emissions: implications for satellite NO2 observations (Ruijun Dang, Harvard)
9:30 Exploring Deposition Observations as a Constraint on Emissions in the United States (Ishir Dutta, MIT)
9:40 Biogenic VOC emissions in the Arctic: knowns and unknowns (Lu Hu, U. Montana)
9:50 Updating ethane and propane sources in GEOS-Chem (Matthew Rowlinson, U. York)
10:00 Poster introductions (30 seconds, 1 slide)
B.1 Joint inversions of formaldehyde and isoprene to constrain global VOC emissions (Jinkyul Choi, U. Colorado)
B.2 Evaluation and intercomparison of ozone dry deposition models (Christopher Holmes, FSU)
B.3 Simulating sea salt aerosol emissions from sea ice leads in the Arctic (Hannah Horowitz, U. Illinois)
B.4 Comparison of NO2 GEMS satellite data and modeling in South Korea (Hyerim Kim, U. Iowa)
B.5 Evaluating the potential for a direct marine source of NOx to the atmosphere within GEOS-Chem (Matthew Loman, U. Rochester)
B.6 Understand Soil NOx Emissions over Midwestern U.S. (Qiyu Wang, U. Iowa)
B.7 Improvement of NEI emission inventory of PM2.5 and NOx through atmospheric modeling and ground-based and satellite observation (Chengzhe Li, U. Iowa)

10:10 Coffee Break

Carbon gases (chair: Seb Eastham, MIT)

10:30 Methane emissions from China: a high-resolution inversion of TROPOMI satellite observations (Zichong Chen, Harvard)
10:40 Improving CO2 flux estimates by mitigating biases online in the CO2 assimilation (Feng Deng, U. Toronto)
10:50 High-resolution 2019 North American methane emissions inferred from TROPOMI satellite observations of atmospheric methane (Hannah Nesser, Harvard)
11:00 Inferring methane emissions and OH concentrations using AIRS + GOSAT satellite observations of methane (Elise Penn, Harvard)
11:10 Constraining global methane fluxes based on TROPOMI measurements (Xueying Yu, U. Minnesota)
11:20 Attribution of the surge of global methane in 2020 using inverse analysis of GOSAT observations (Zhen Qu, Harvard)

11:30 Poster introductions (30 seconds, 1 slide):
B.8 Combining VIIRS-retrieved Modified Combustion Efficiency and WRF-Chem model to Constrain CO emissions during the 2019 Williams Flats Fires (Weizhi Deng, U. Iowa)
B.9 Validation of methane modeling using multiple-platform observations (Yang Li, Baylor U.)
B.10 Evaluation of the stable isotopologue budget of methane within GEOS-Chem (Mingjian Shi, U. Rochester)
B.11 The role of chlorine in the global methane budget at and since the Last Glacial Maximum (Xin Tie, U. Rochester)
B.12 Uncertainty in parameterized convection in chemical transport models remains a key bottleneck to reliably estimating surface fluxes of carbon dioxide (Andrew Schuh, CSU)

11:40 Group photo (Brookings Hall stairs)
12:00 Lunch (Knight Center)

1-3 pm GEOS-Chem Support Team help desk (Hillman 53 & Hillman 70)

Chemistry II (chair: Pam Wales, NASA GSFC)

1:30 KEYNOTE: Looking for chemical gradients to challenge atmospheric models (Jim Crawford, NASA LaRC)
1:50 Global vertical profiles of NO2 from cloud-slicing satellite observations of total NO2 columns (Bex Horner, U. College London)
2:00 Addressing model uncertainties in upper tropospheric NOx (Robert Ryan, U College London)
2:10 Global VOC measurements from CrIS (Kelley Wells, U. Minnesota)
2:20 Vertical distribution of NO2 over the US and the global oceans: Implications for the satellite NO2 measurements and tropospheric background ozone (Viral Shah, Harvard)
2:30 Resolution-dependent bias in GEOS-Chem predicted urban nitrogen oxides spreads to regional scale (Chi Li, WashU)
2:40 The impact of Pyrocumulonimbus on atmospheric composition in UTLS (Xi Chen, U. Iowa)
2:50 Quantifying the potential of TEMPO satellite HCHO retrievals on constraining Fire VOC emissions at hourly resolution (Sree Chaliyakunnel, U. Montana)
3:00 Global Emissions of Hydrogen Chloride and Particulate Chloride from Continental Sources (Bingqing Zhang, Georgia Tech)
3:10 Evaluating GEOS-Chem model performance using a cluster-based characterization of multi-dimensional lidar tropospheric ozone measurements in coastal regions (Claudia Bernier, U. Houston)

3:20 Poster introductions (30 seconds, 1 slide)
B.13 Assimilation of NO2 – a comparison of multiple products and multiple models (Barron Henderson, US EPA)
B.14 How well is ozone production during KORUS-AQ represented in models? (Katherine Travis, NASA LaRC)
B.15 Impact of rocket launch and ablation air pollution on stratospheric ozone and global climate (Eloise Marais, U. College London)
B.16 Impacts of aerosol radiation interaction on ozone photochemistry over the Indian subcontinent (Lakhima Chutia, U. Iowa)
B.17 Quantifying ocean-air VOC fluxes using aircraft measurements over the Western Subarctic Atlantic (Xin Chen, MIT)
B.18 Comparison of BTEX simulation and observation at Beijing and Seoul in winter and summer 2021 (Eunlak Choi, Ewha Womans University)

3:30 Coffee Break

4:00-5:30 Working Group breakouts (including remote participation)
Chemistry Working Group (chairs: Barron Henderson, US EPA; Mat Evans, U. York; Lu Hu, U. Montana; Jingqiu Mao, U. Alaska) – Hillman 60
Adjoint Model and Data Assimilation Working Group (chairs: Daven Henze. U Colorado; Jun Wang, U. Iowa) – Jubel 120
Transport Working Group (chairs: Clara Orbe, NASA GISS; Andrew Schuh, CSU) – Whitaker 218
Software engineering Working Group (chairs: Lizzie Lundgren, Melissa Sulprizio, Bob Yantosca, Harvard U.) – Brauer 3015

5:30-8:00 Poster session B (Whitaker Atrium)
(please leave your poster up through Thursday evening)
Refreshments (Whitaker Atrium) and dinner buffet (Brauer Lobby)

Day 3: Thursday June 9

8:30 Coffee, tea, pastries (Hillman 60)
8:30-12:00 Registration desk open (Brauer Lobby)

Chemistry-Ecosystem-Climate (chair: Chris Holmes, FSU)

9:00 Brief Tutorial: WRF-GC(v2.0) online two-way coupling of WRF and GEOS-Chem for modelling regional atmospheric chemistry-meteorology interactions (Xu Feng, Harvard)
9:10 KEYNOTE: OMI, TROPOMI and ACOM and me (Pieternel Levelt, NCAR)
9:30 Modelling the Impact of Amazon Land Use Changes on the Vegetation Sink of Atmospheric Mercury (Ari Feinberg, MIT)
9:40 Forecasted climate penalties and benefits to ozone and PM2.5 across the 21st century under different SSP scenarios (Lee Murray, U. Rochester)
9:50 Black Carbon Radiative Impacts Reduced Form Modeling for Policy Scenarios (Lyssa Freese, MIT)
10:00 Satellite-derived Constraints on the Effect of Drought Stress on Biogenic Isoprene Emissions in the Southeast US (Wei Li, U. Houston)
10:10 Model-Measurement Comparison of the Biosphere-Atmosphere Exchange of Reactive Carbon over a Colorado Pine Forest (Michael Vermeuel, U. Minnesota)

10:20 Poster introductions (30 seconds, 1 slide):
C.1 Radiative forcing during wildfire over the Arctic Region (Kunal Bali, U. Alaska)
C.2 Earth’s Radiation Budget (ERB) Program 101 (Victoria Breeze, NOAA)
C.3 Impact of Global Climate and Land Use Change on Soil Reactive Nitrogen Emissions (Jeffrey Geddes, Boston U.)
C.4 Underestimated passive volcanic degassing implies overestimated aerosol forcing (Ursula Jongebloed, U Washington)
C.5 Impacts of marine aerosols on chemistry and climate over the Benguela upwelling zone (Mashiat Hossain, U Illinois at Urbana-Champaign)

10:25 Coffee break

Model developments (chair: Dylan Jones, U. Toronto)

10:40 Improvements in simulated transport through direct ingestion of mass flux data (Sebastian Eastham, MIT)
10:50 GEOS-Chem-APM for physics-informed machine learning emulators and parameterizations (Arshad Nair, SUNY-Albany)
11:00 An Online-Learned Neural Network Chemical Solver for Stable Long-Term Global Simulations of Atmospheric Chemistry (Makoto Kelp, Harvard)
11:10 An auto-reduction solver to speed up chemical kinetics calculations within GEOS-Chem (Haipeng Lin, Harvard)
11:20 Integrated Methane Inversion (IMI 1.0): A user-friendly, cloud-based facility for inferring high-resolution methane emissions from TROPOMI satellite observations (Lucas Estrada, Harvard U.)
11:30 Developing CHEEREIO: An open-source data assimilation tool for GEOS-Chem using an Ensemble Kalman Filter (Drew Pendergrass, Harvard)
11:40 Developing and coupling a plume model into GEOS-Chem to resolve sub-grid plumes in the stratosphere (Hongwei Sun, Harvard)
11:50 Poster introduction (30 seconds, 1 slide):
C.6 Development of a GCHP-EnKF chemical data assimilation system (Kazuyuki Miyazaki, NASA JPL)
C.7 Demonstration of Satellite-Chemical Transport Model Framework to Estimate Near-Real-Time PM Composition (Tessa Clarizio, U. Illinois)
C.8 Fire Light Detection Algorithm-2 (FILDA2): A New Dataset for Numerical Modeling of Wildfire (Meng Zhou, U. Iowa)
C.9 Tropospheric Mean Age in GEOS-Replay (Clara Orbe, NASA GISS)
C.10 The development of a machine learning chemistry emulation package for use with GEOS-Chem (Peter Ivatt, U Maryland)

12:00 Lunch (Holmes Lounge)

1-3 pm GEOS-Chem Support Team help desk (Hillman 53 & Hillman 70)

Air quality (chair: Yuxuan Wang, U. Houston)

1:30 Brief Tutorial: GISS-GC (Lee Murray, U. Rochester)
1:40 Understanding Drivers of Recent Ozone Trends in Seoul (Nadia Colombi, Harvard)
1:50 Advances in simulating the spatial heterogeneity of air quality and source contributions using GCHP (Dandan Zhang, WashU)
2:00 Modelling UK Air Pollution (Luke Fakes, U. York)
2:10 Source Contributions to Fine Particulate Matter and Attributable Mortality in India and the Surrounding Region (Deepangsu Chatterjee, WashU)
2:20 Sources of PM2.5 associated health risks in Europe and corresponding changes affected by the emission changes during 2005-2015 (Yixuan Gu, U Colorado Boulder)
2:30 Improving surface PM2.5 forecasts in the US using an ensemble of chemical transport models: bias correction with satellite data for rural areas (Huanxin Zhang, U. Iowa)
2:40 Leveraging satellite-derived data in GEOS-Chem adjoint simulations to characterize the sources of PM2.5-, O3-, and NO2-related health impacts at multiple spatial scales (Omar Nawaz, U. Colorado)
2:50 Modeling diel PM2.5 mass variations over the US using GEOS-Chem (Yanshun Li, WashU)
3:00 Health impact of air pollution linked to oil and gas supply chain in Texas (Karn Vohra, U. College London)
3:10 Evaluation of GEOS-Chem Africa nested grid simulations using a novel surface PM2.5 dataset (Dan Westervelt, Columbia U.)
3:20 Poster introductions (30 seconds, 1 slide)
C.11 Quantifying Unreported NO2 Hotspots in the Southern United States (Tabitha Lee, U. Houston)
C.12 Modeling analysis of TRACER-AQ observations (Xueying Liu, U. Houston)
C.13 Assessment of fuels and emissions in a prescribed fire landscape: case studies at Blackwater River State Forest and sugarcane burning at the Everglades Agricultural Area in Florida (Holly Nowell, FSU)
C.14 Applying Machine Learning to Improve the GEOS-Chem-based AOD-PM2.5 Relationship (Siyuan Shen, WashU)
C.15 Transport analysis of passive tracers during Black and Brown Carbon Monitoring Campaign: A Case Study in Houston and El Paso (Ehsan Soleimanian, U. Houston)
C.16 Exploring trends of regional and global NH3 concentrations and emissions using satellite remote sensing measurements (Hansen Cao, CU Boulder)
C.17 Comparing one-year simulations of surface PM2.5 and Ozone in Western US between GEOS-Chem v13.3.4 and CAM-Chem at the month and sub-regional scales (Yuyan Cui, CARB)
C.18 How to focus your transport model at the surface and gain a factor of 3 finer resolution for the same computational cost (David Baker, CIRA/CSU)

3:30 Coffee Break

4:00-5:30 Working Group breakouts (including remote participation)
Emission and Deposition Working Group (chairs: Eloise Marais, U. College London; Jintai Lin, PKU; Dylan Millet, U. Minnesota) – Hillman 60
Chemistry-Ecosystem-Climate Working Group (chairs: Amos Tai, CUHK; Lee Murray, U. Rochester; Hong Liao, NUIST; Jeff Geddes, Boston U.) – Jubel 120
Stratosphere Working Group (chairs: Seb Eastham, MIT; Dylan Jones, U. Toronto; Pam Wales, NASA GSFC) – Whitaker 218

5:30-8:00 Poster session C (Whitaker Atrium)
(please take down your poster when you leave)
Refreshments (Whitaker Atrium) and dinner buffet (Brauer Lobby)

Day 4: Friday June 10

8:30 Coffee, tea, pastries (Hillman 60)

Fires (chair: Barron Henderson, US EPA)

9:00 Brief Tutorial: Nested GEOS-Chem (Yuxuan Wang, U Houston)
9:10 Towards an Improved Representation of Fire Non-Methane Organic Gases (NMOGs): Emissions to Reactivity (Tess Carter, MIT)
9:20 Evidence Of Large Prescribed Fire Emissions In The Eastern United States (Charley Fite, FSU)
9:30 Long-term AOD-PM2.5 Relationship in Alaska during Summer Fire Season (Tianlang Zhao, U. Alaska)
9:40 Constraining emissions of volatile organic compounds from western US wildfires with WE-CAN and FIREX-AQ airborne observations (Lixu Jin, U. Montana)
9:50 Evaluations of Alaskan summer PM2.5 with GEOS-Chem (Zhiwei Dong, U. Alaska)

10:00 Coffee Break

GEOS-Chem & Community (chair: Randall Martin, WashU)

10:20 KEYNOTE: 25 years of GEOS-Chem (Daniel Jacob, Harvard)
10:40 Open discussion on model development priorities, Working Group concerns, and other GEOS-Chem topics (Randall Martin, WashU, discussion lead)

12:00 Meeting adjourns (Grab and go snack options available)

12:30-2:00 GEOS-Chem Steering Committee meeting (Brauer 3015, lunch for GCSC members beginning at 12:15)

Post-conference activity
1:00-3:00 Lab tour of Center for Aerosol Science and Engineering (CASE) – meet in Brauer lobby