OVERVIEW

The 2nd GEOS–Chem Users' Meeting was held from April 4-6, 2005 at Harvard University. Prof. Daniel Jacob (djj@io.harvard.edu) was the meeting organizer.

• View the meeting agenda (PDF format)
• View the list of GEOS–Chem meeting attendees (PDF format)
• View photos from the GEOS–Chem meeting

NOTE: Documents will open in a separate browser window.

PRESENTATIONS

Mon Apr 4:  Model Overview | Global Trop. Chemistry | Global Aerosols | Intercontinental Transport

Tue Apr 5:  CO, CO2, Black Carbon | NOx and VOC's | Expanding Model Capabilities | Regional Air Quality

Wed Apr 6:  Global Chemical Budgets | Model Issues & Model Future

NOTE: Presentations (MS PowerPoint documents) will open in a separate browser window.

Monday, April 4 2005

Model Overview (Daniel Jacob, chair)

• Welcome
  Daniel Jacob, Harvard University

• The GEOS–Chem model: present state, future directions
  Daniel Jacob, Harvard University

• GEOS–Chem code management and benchmarking
  Bob Yantosca, Harvard University

• Data distribution and model performance
  Jack Yatteau, Harvard University

• GEOS–Chem near-real-time simulation
  Solene Turquety, Harvard University

Global Tropospheric Chemistry (Qinbin Li, chair)

• IPCC AR4 results
  Jerome Drevet, EPFL

• Evolving simulation of OH and ozone in GEOS–Chem
  Jennifer Logan, Harvard University

• Radiative effects of clouds on tropospheric chemistry
  Hongyu Liu, NASA/LaRC

• Comparison of GEOS–Chem with OH observations
  Mat Evans, University of Leeds

• Evaluation of GEOS–Chem with GOME tropospheric ozone columns
  Xiong Liu, CfA

• Comparison of TES ozone with GEOS–Chem and global budget of methanol
  Daniel Jacob, Harvard University

Global Aerosols (Randall Martin, chair)

• Background aerosols in North America
  Rokjin Park, Harvard University

• Sea salt chemistry and sulfate formation pathways
  Becky Alexander, Harvard University

• Global simulation of secondary organic carbon aerosols
  Hong Liao, Caltech

• Global dust modeling
  Duncan Fairlie, NASA/LaRC and Harvard University

• Evaluation of GEOS-Chem AOTs: comparisons to satellite data (POLDER, MODIS)
  Sylvia Generoso, EPFL

• Aerosol phase transitions and radiative implications
  Scot Martin, Harvard University

• Use of GEOS-Chem backscattered radiances for comparison to MODIS
  Easan Drury, Harvard University

• Aerosol microphysics simulation
  Win Trivitayanurak, Carnegie-Mellon University

• Size-resolved carbonaceous and dust aerosols
  Peter Adams, Carnegie-Mellon University
  

Intercontinental Transport (Prasad Kasibhatla, chair)

• Transpacific transport of Asian pollution aerosols and effects on U.S. air quality
  Colette Heald, Harvard University

• Meteorological indices for transpacific transport of Asian pollution
  Qing Liang, University of Washington

• Trapping of convective outflow by upper-level anticyclones
  Qinbin Li, JPL

• Export of North American ozone and NOy constrained from ICARTT observations
  Rynda Hudman, Harvard University

• Evaluation of ozone production and loss rates using aircraft observations
  Marion Auvray, EPFL

• Transatlantic transport of tropospheric ozone and its precursors
  Guerguana Guerova, EPFL

Tuesday, April 5, 2005

Inverse modeling of emissions: CO, CO2, black carbon (Jennifer Logan, chair)

• CO inverse modeling
  Avelino Arellano, Duke

• Effect of boreal forest fires on CO
  Fok-Yan Leung, Harvard University

• Inverse modeling of North American CO sources during ICARTT
  Solene Turquety, Harvard University

• Inverse modeling of Asian CO and NOx emissions
  Yuxuan Wang, Harvard University

• Constraints on Asian carbon sources from a coupled CO-CO2 inversion
  Paul Palmer, Harvard University

• Chemical pump effect on atmospheric CO2 inversions
  Parvadha Suntharalingam, Harvard University

• Exploiting satellite observations of tropospheric trace gases
  Dylan Jones, University of Toronto

Inverse modeling of emissions: NOx and VOCs (Yuhang Wang, chair)

• Global partitioning of NOx emissions using satellite observations
  Lyatt Jaeglé, University of Washington

• North American NOx emission inventory
  Randall Martin, Dalhousie University

• Modeling oxygen isotopes of nitrate with GEOS-Chem
  Meredith Hastings, University of Washington

• Constraints from GOME HCHO on global isoprene emission
  Changshub Shim, Georgia Tech
  

• Constraints on Asian VOC sources from GOME HCHO observations
  May Fu, Harvard University

• HCHO columns over Europe as proxy for biogenic emissions
  Gabriele Curci, University of L'Aquila

• Variability of HCHO during ICARTT: implications for GOME/OMI interpretation
  Dylan Millet, Harvard University

Expanding model capabilities (Dylan Jones, chair)

• Linking GEOS-Chem with CMAQ: consistency in meteorology and chemistry
  Daewon Byun, University of Houston

• Evaluation of the GEOS-Chem/CMAQ interface over China and US
  Zuopan Li, University of Tennessee

• Running GEOS-Chem with GISS GCM fields
  Loretta Mickley, Harvard University

• Parallelization of GEOS-Chem on a 1024-node Linux cluster based on MPI
  Kevin Bowman, JPL

• GEOS-Chem adjoint development using TAF
  Monika Kopacz, Harvard University

• Constructing an adjoint for GEOS-Chem
  Daven Henze, Caltech

Regional air quality (Daewon Byun, chair)

• Sensitivity of surface ozone in the U.S. to isoprene emissions and chemistry
  Arlene Fiore, GFDL

• Aerosol simulation over North America
  Aaron Van Donkelaar, Dalhousie University

• Impact of trans-boundary transport of aerosols on regional air quality
  Heejin In, University of Houston

• Nesting GEOS-Chem with a regional air pollution model for Greece
  Maria Tombrou-Tzella, Athens

• Origin and distribution of ozone for the Eastern Mediterranean region
  Christos Giannakopoulos, Athens

• Effects of climate change on air quality
  Shiliang Wu, Harvard University

Wednesday, April 6, 2005

Global chemical budgets (Lyatt Jaeglé, chair)

• Role of ocean emissions in the mercury budget
  Sarah Strode, University of Washington

• Global mercury modeling
  Noelle Eckley Selin, Harvard University

• Global simulation of H2 and HD with GEOS-Chem
  Heather Price, University of Washington

• Coupled simulations of CO-ethane-HCN-acetylene
  Yaping Xiao, Harvard University

• Global sources and distributions of CH3Cl
  Yasuko Yoshida, Georgia Tech

• Tracer correlation of ethane and propane
  Yuhang Wang, Georgia Tech

• Global 3-D simulation of reactive bromine chemistry
  Tim Canty, JPL

• Modeling persistent organic pollutants (POPs) with GEOS-Chem
  Jordi Dachs, CSIC - Barcelona
  

Model Issues, Model Future (Daniel Jacob, chair)

• Emissions (Jennifer Logan, discussion leader)
• Aerosols (Peter Adams, discussion leader)
• Chemistry (Mat Evans, discussion leader)
• Multimedia modeling (Lyatt Jaeglé, discussion leader)
• Transport (Prasad Kasibhatla, discussion leader)
• Nesting with regional models (Daewon Byun, discussion leader)
• Data assimilation (Dylan Jones, discussion leader)
• Hardware/software issues (Bob Yantosca, discussion leader)