Presentations and Posters

Monday, May 1: Model Overview | Working Groups | Chemistry | Carbon Gases | Model Clinics | Posters
Tuesday, May 2: Aerosols | Aerosol Microphysics | Transport | Sources & Sinks | Model Clinics | Posters
Wednesday, May 3: Chem-Ecosys-Clim | Air Quality Implications | Air Quality Science | Model Clinics | Posters
Thursday, May 4: Future Directions

Monday, May 1

Model Overview (Daniel Jacob, Harvard, Chair)

GEOS-Chem Working Groups (Amos Tai, CUHK, Chair)

Chemistry (Barron Henderson, US EPA, Chair)

Carbon Gases (Emily Fischer, CSU, Chair)

GEOS-Chem Model Clinics


Tuesday, May 2

Aerosols (Becky Alexander, U. Washington, Chair)

Aerosol Microphysics and Radiative Forcing (Jeff Pierce, CSU, Chair)

Transport, Sources and Sinks (Hongyu Liu, NIA/NASA Langley, Chair)

Sources and Sinks (Hongyu Liu, NIA/NASA Langley, Chair)

Model Clinics


  • Characterizing the Asian Tropopause Aerosol Layer (ATAL) using satellite observations, balloon measurements and a chemical transport model (Duncan Fairlie, NASA Langley)
  • Aerosol Types from Chemistry (CATCh): A new algorithm linking remote sensing and chemistry (Nicholas Meskhidze, North Carolina State)
  • Interpreting measurements of aerosol extinction and mass in North America (Robyn Latimer, Dalhousie)
  • Estimating ground PM2.5 speciation concentrations using MISR retrieved aerosol properties and GEOS-Chem aerosol vertical profiles (Xia Meng, Emory)
  • Constraints from reflected solar and infrared spectral measurements on size-dependent dust emissions: An OSSE using FIM-Chem and GEOS-Chem (Xiaoguang Xu and Jun Wang, U. Iowa)
  • 4DVAR Assimilation of CALIOP Level 2 aerosol profiles with the adjoint of GEOS-Chem (Colin Lee, Dalhousie)
  • Long-range transport of black carbon to the Arctic: Tagged tracer simulation using GEOS-Chem (Kohei Ikeda, NEIS)
  • Using ISORROPIA II to predict heterogeneous chlorine chemistry (Jessica Haskins, U. Washington)
  • Processes controlling aerosol formation and growth in the summertime Arctic (Betty Croft, Dalhousie)
  • The role of MSA in particle growth and the aerosol direct and indirect effects (Anna Hodshire, CSU)
  • Use GEOS-Chem output for WRF-Chem initial and boundary conditions: Impact of long-range transported dust on ice nucleation and precipitation (Yanda Zhang, SUNY-Albany)
  • Factors affecting anthropogenic aerosol radiative forcing (Jingxu Wang, Peking U.)
  • Modeling the optical properties and radiative effect of brown carbon (Xuan Wang, MIT)
  • Errors in using archived meteorological data for chemical transport modeling (Karen Yu, Harvard)
  • An Eulerian vs. Lagrangian comparison of modeled carbon monoxide in Texas during biomass burning events (Christopher Brodowski, AER)
  • Complement to GEOS-Chem: Lagrangian Transport model FLEXPART reconfigured for GEOS-FP meteorological fields (Kelley Larson, U Washington)
  • Impacts of precipitation patterns on the wet deposition and lifetime of aerosols (Pei Hou, Michigan Tech)
  • A new approach for monthly updates of anthropogenic sulfur dioxide emissions from space: Application to China and implications for air quality forecasts (Yi Wang, U. Iowa)
  • Evaluating modeled ammonia in California and the South East US with satellite data (Chantelle Lonsdale, AER)
  • Ammonia emissions from agriculture over China (Youfan Chen, Peking U.)
  • Comparison of GEOS-Chem simulated ammonia concentrations with observations (Arshad Nair, SUNY-Albany)
  • Implications of subgrid dry deposition of NO2 in a global chemical transport model (Brian Boys, Dalhousie)
  • Incorporating updated emissions of NEI 2011 v6.3 into GEOS-Chem (Zitely Tzompa, CSU)
  • Incorporating flexible source tracking into GEOS-Chem (Carmen Lamancusa, U. Connecticut)
  • Neural network prediction of agricultural burning in Southern China and its application to air quality forecasts (Tzung-May Fu. Peking U.)
  • NAFED: a ground-based North American Fire Emission Database for 1980-2014 (Xu Yue, IAP)
  • Comparison of wildfire emissions in GEOS-Chem to ground-based FTIR measurements (Erik Lutsch, U. Toronto)
  • Development and evaluation of biomass burning vertical injection height scheme in GEOS-Chem (Juliet Zhu, CSU)

Wednesday, May 3

Chemistry-ecosystems-climate (Colette Heald, MIT, Chair)

Air Quality and Implications (Jenny Fisher, U. Wollongong, Chair)

Air Quality Science (Lin Zhang, PKU, Chair)

Model Clinics

  • GEOS-Chem as a module for Earth System Models (Mike Long and Seb Eastham, Harvard)


  • Weather conditions conducive to Beijing severe haze more frequent under climate change (Ke Li, IAP)
  • Effectiveness of maize-soybean intercropping on securing food production and air quality in China (Ka Ming Fung and Amos Tai, CUHK)
  • Influence of the West Pacific subtropical high on surface ozone day to day variability in summertime over Eastern China (Zijian Zhao, Tsinghua)
  • Impacts of changes in climate and vegetation on wildfire emissions (Aditya Kumar, Michigan Tech)
  • The impact of historical land use change from 1850 to 2000 on particulate matter and ozone (Colette Heald, MIT)
  • Chemical and structural uncertainties within CESM CAM-Chem and GEOS-Chem: Ozone, PM2.5, and human health (Benjamin Brown-Steiner, MIT)
  • Multi-decadal trends in aerosol radiative forcing over the Arctic: Contribution of changes in anthropogenic aerosol to Arctic warming since 1980 (Loretta Mickley, Harvard)
  • What controls the
  • Adjoint analysis of the climate and human health impacts of transient shifts in anthropogenic activity in China (Forrest Lacey, CU - Boulder)
  • Public health impacts of the severe haze in Equatorial Asia in September-October 2015: Demonstration of a new framework for informing fire management strategies to reduce downwind smoke exposure (Loretta Mickley, Harvard)
  • Contributions of natural variability to uncertainty in the efficacy of health and environmental policy (Daniel Rothenberg, MIT)
  • Health impacts of excess NOx emissions in Europe (Guillaume Chossiere, MIT)
  • Air quality and health co-benefit in global coal-fired power sector (Dan Tong, Tsinghua)
  • Implications of climate variability and change for the effectiveness of mercury policy (Amanda Giang, MIT)
  • A new mechanism for atmospheric mercury redox chemistry: Implications for the global mercury budget (Hannah Horowitz, Harvard)
  • Quantifying sources and pathways of mercury deposition and exposure in Northern Maine, USA using integrated modeling (Helene Angot, MIT)
  • Using GEOS-Chem Hg simulations to help diagnose and predict fisheries health and sustainability (Colin Thackray, Harvard)
  • Updated terrestrial mercury simulation in GEOS-Chem (Rebecca Stern, Harvard)
  • Modeling PAHs over the UK and Europe (Peter Ivatt, U. York)
  • Using GEOS-Chem in the imputation of missing ground PM2.5 estimates due to cloud cover (Jessica Belle, Emory)
  • Evaluation and intercomparison of air quality forecasts over Korea during the KORUS-AQ campaign (Seungun Lee, Seoul National U.)
  • Influence of agricultural fires on urban air pollution in Delhi, India (Dan Cusworth, Harvard)
  • Secondary organic aerosol in the Beijing urban area (Matthew Jolleys, U. Edinburgh)
  • Simulation of severe winter haze in China over 1980-2014 (Ruijun Dang, IAP)
  • Comparison between the simulations of fine particulate matter during APEC period using WRF-CHEM and GEOS-Chem (Mi Zhou, Peking U.)
  • The formation mechanisms of PM2.5 by quantifying the formation pathways of sulfate in China (Jingyuan Shao, U. Washington)
  • Modelling UK and European air quality with GEOS-Chem (Tim Garstin, U York)
  • GEOS-Chem boundary conditions for WRF-chem (Chenghao Tan, U. Iowa)
  • Impacts of Central American fires on ozone air quality in Texas (Sing-Chun Wang, U. Houston)

Thursday, May 4

Future Directions (Randall Martin, Dalhousie, Chair)

  • Future directions for GEOS-Chem software engineering (Seb Eastham, Mike Long, Bob Yantosca, Harvard, discussion leads)
  • Future directions for the GEOS-Chem adjoint (Daven Henze, CU-Boulder and Jun Wang, U. Iowa, discussion leads)
  • Poster introduction awards (Mat Evans, U. York)
  • Review of GEOS-Chem development priorities defined by Working Groups, functioning of the GEOS-Chem community (Daniel Jacob, Harvard and Randall Martin, Dalhousie, discussion leads)