Tentative agenda

Monday 14 August

Meeting and Model Overview (Chair: Karn Vohra, UCL)

• Welcome and meeting overview (Eloise Marais, UCL)
• GEOS-Chem Model Overview (Randall Martin, WUSTL)
• GEOS-Chem Technical Overview (Melissa Sulprizio, Harvard)
• GCHP Demonstration (Killian Murphy, York)

Emissions (Chair: Matthew Rowlinson, York)

• European Emissions for GEOS-Chem (Mat Evans, York)
• Assessing HTAP NOx Emissions in Cities in South and Southeast Asia using TROPOMI (Gongda Lu, UCL)
• Implementing an improved parameterisation for inorganic iodine emissions in GEOS-Chem (Ryan Pound, York)
• An inverse modelling framework to estimate the GHG emissions for the UK (Alex Kurganskiy, Edinburgh)

Tuesday 15 August

Models to Motivate Action (Chair: Alex Kurganskiy, Edinburgh)

• KEYNOTE: The use of atmospheric chemistry models in air pollution activism (Jamie Kelly, Centre for Research on Energy and Clean Air (CREA))
• Investigating climate co-benefits using GEOS-Chem adjoint sensitivities (Omar Nawaz, GWU)
• Early deaths, asthma exacerbation and cancer risks linked to air pollution from each major oil and gas lifecycle stage in the US (Karn Vohra, UCL)
• Evaluation of the atmospheric impact of supersonic emissions from the SCENIC project on a 2050 atmosphere (Jurriaan van 't Hoff, TU Delft)
• Impacts of megaconstellation satellite launches and end-of-life satellite disposal on stratospheric ozone and climate (Connor Barker, UCL)

Particles Great and Small (Chair: Hansen Cao, York)

• KEYNOTE: Plastic aerosols - what do we know? (Stephanie Wright, Imperial College London)
• Advances in Simulating the Global Spatial Heterogeneity of Air Quality using GCHP and Its Implications for the Relation of AOD with PM2.5 (Dandan Zhang, WUSTL)
• Porting GEOS-Chem Chemistry to External Models (Lizzie Lundgren, Harvard)

Posters

• Modeling biomass burning impacts on air quality in Canada (Samaneh Ashraf, UdeMP)
• Spatio-temporal variability of atmospheric mercury over India by using ground-based observations and GEOS-Chem model simulations (M.Chakradhar Reddy, IIT-Madras)
• Using GEOS-Chem for retrieval of vertical profiles of atmospheric composition over Central London (Eleanor Gershenson-Smith, UCL)
• Exploring the impact of biogenic and pyrogenic emissions in South America with GEOS-Chem and satellite data (Susie Shihan Sun, Edinburgh)
• Exploring marine boundary layer halogen chemistry using GEOS-Chem (Amy Lees, York)
• Global simulation of tropospheric halogen multiphase chemistry (Hansen Cao, York)
• Development of versatile Python software to retrieve tropospheric vertical profiles of NO2 and ozone from satellite observations (Gongda Lu, UCL)
• The impact of diurnal variation in African wildfires on atmospheric chemistry (Haolin Wang, Sun Yat-sen U.)
• Climate effect of biomass burning aerosol from key biomass burning regions (Shuaiyi Shi, Edinburgh)

Modelling to Inform Environmental Policy (Chair: Connor Barker, UCL)

• KEYNOTE: How the UK Department for the Environment, Food and Rural Affairs (DEFRA) uses air quality models to inform policy (Alison Davies, DEFRA)
• Emerging capabilities for GEOS-Chem Meteorological datasets (Saptarshi Sinha, WUSTL)
• Sensitivity of Air Quality (AQ) in Eastern Canada to Transboundary Pollution and Meteorology: Understanding Potential Climate-AQ Feedbacks (Robin Stevens, UdeM.)
• Present-day and next mid-century estimates of global aviation impacts on air quality (Flávio Quadros, TU Delft)
• Effects of model resolution on simulated air quality impacts from aviation (Seb Eastham, MIT)
• UK public health and ecosystem benefits from adopting technically feasible emissions controls throughout Europe (Eloise Marais, UCL)

Wednesday 16 August

Tropospheric composition (mostly ozone) part 1 (Chair: Susie Shihan Sun, Edinburgh)

• KEYNOTE: The role of atmospheric non-linearities in understanding aviation emissions‘ impacts (Irene Dedoussi, TU Delft)
• Why is tropospheric ozone around 40 ppbv? (Mat Evans, York)
• Why is background ozone over East Asia so high? (Nadia Kathryn Colombi, Harvard)
• Evaluation of GEOS-Chem vertical profiles of nitrogen dioxide (NO2) and ozone (O3) using cloudsliced TROPOMI columns (Bex Horner, UCL)

Tropospheric composition (mostly ozone) part 2 (Gongda Lu, UCL)

• The rise and rise of atmospheric methane: an unfolding story about hotspots and wet spots (Paul Palmer, Edinburgh)
• Implementation of an observationally-constrained nitrate photolysis parameterisation and the impact on tropospheric ozone (Mathew Rowlinson, York)
• Reactive nitrogen and ozone in the global upper troposphere: Insights from historic DC8 aircraft campaigns and GEOS-Chem (Nana Wei, UCL)
• Closing Remarks (Eloise Marais, UCL)