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The 4th GEOS-Chem Scientific and Users' Meeting (IGC4)<br />April 7-10 2009
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<p>
<strong>Day 1, Apr 7</strong>: <a href="#model_overview">Model Overview and Development</a> | <a href="#chem_tran">Chemical Transport</a> | <a href="#aer_src_chem">Aerosol Sources and Chemistry</a> | <a href="#aer_mp_rad">Aerosol Microphysics & Radiation</a> | <a href="#bioburn">Biomass Burning</a>
</p>
<p>
<strong>Day 2, Apr 8</strong>: <a href="#trop_o3">Tropospheric Ozone</a> | <a href="#photochem">Photochemistry</a> | <a href="#raq">Regional Air Quality</a> | <a href="#raq_space">Regional Air Quality Observed from Space</a> | <a href="#mercury">Mercury</a> | <a href="#carb_gases">Carbon Gases</a>
</p>
<p>
<strong>Day 3, Apr 9</strong>: <a href="#chem_clim_land">Chemistry-Climate-Land Interactions</a> | <a href="#softeng">Software Engineering etc.</a>
</p>
<p>
<strong>Day 4, Apr 10</strong>: <a href="#wg_reports">Working Group Reports etc.</a>
</p>
<h2>
<strong>Day 1, Tuesday April 7</strong>
</h2>
<h3>
<a name="model_overview" id="model_overview"></a>Model Overview and Development (Daniel Jacob, Harvard, chair)
</h3>
<h4>
Presentations
</h4>
<ul>
<li>
Welcome, meeting goals (Daniel Jacob, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1DrPLCnNu0Mlh2O8FAPNYk2G9RRP40uBA/view?usp=drive_link" target="_blank">GEOS-Chem model: new developments, future directions</a> (Daniel Jacob, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/14Ck279TKoWC1IuxxsMepxkId4h375Ban/view?usp=drive_link" target="_blank">GEOS-Chem code: new developments, future directions </a>(Bob Yantosca, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1WgvCscGWi5P2ePdZnS2jfQ5Fcu7lWl3O/view?usp=drive_link" target="_blank">Emissions update in standard and ESMF GEOS-Chem</a> (Philippe LeSager, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/11TlKLooMjNG7lVQWTu1WOAMn1FEcUTmf/view?usp=drive_link" target="_blank">GEOS-Chem model development activities</a> (Claire Carouge, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1fjSB5A_0JMzz9P1yJUGd_3qQ1SBB1FV7/view?usp=drive_link" target="_blank">GEOS-Chem adjoint: status and plans</a> (Kevin Bowman, JPL)
</li>
<li>
<a href="https://drive.google.com/file/d/12vv71noPYJ6EzOvBSmxRfNt1EeHp3uwW/view?usp=drive_link" target="_blank">GMAO activities and partnership with GEOS-Chem</a> (Steven Pawson, NASA/Goddard)
</li>
</ul>
<h4>
Posters
</h4>
<ul>
<li>
GMI online in GEOS-5 (Steven Pawson, NASA/Goddard)
</li>
</ul>
<h3>
<a name="chem_tran" id="chem_tran"></a>Chemical Transport (Steven Pawson, NASA/GFSC, chair)
</h3>
<h4>
Presentations
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/1nIhKZkMUcoLTjNlzPaKjz_Spp5KxfvKy/view?usp=drive_link" target="_blank">Using beryllium-7 to assess stratosphere-to-troposphere transport in global models</a> (Hongyu Liu, Nat'l Inst. Aerospace/NASA Langley)
</li>
<li>
<a href="https://drive.google.com/file/d/1Jm_kk4lWHKAtq7CnPUR-2zrZ5Hm2yBOJ/view?usp=drive_link" target="_blank">Seasonal variations in the mixing layer in the UTLS</a> (Dave McKenzie, U. Toronto)
</li>
<li>
<a href="https://drive.google.com/file/d/18lTl7_MFaSdFS1rXgecbfrci_LNgtYk4/view?usp=drive_link" target="_blank">An analysis of pollution transport events during ARCTAS using aircraft, satellite, and model results</a> (Jenny Fisher, Harvard)
</li>
<li>
Trans-Pacific transport of black carbon and other aerosols into western N. America (Qinbin Li, UCLA)
</li>
<li>
<a href="https://drive.google.com/file/d/1K3ZJweW6WpQmY-cz3AkyGw42RGIJqja_/view?usp=drive_link" target="_blank">Intercontinental source attribution of ozone pollution at western U.S. sites using an adjoint model</a> (Lin Zhang, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1coKYoyzR9FTvtOX_bD375Ck3kYwiZqmn/view?usp=drive_link">Transpacific transport of Asian dust and pollution</a> (Junsan Nam , Georgia Tech)
</li>
<li>
<a href="https://drive.google.com/file/d/13XJsp4LAFNfY7Be5LCcKciu_iX0ZUJNW/view?usp=drive_link" target="_blank">Interannual variations in transport of Asian pollution to the Middle East</a> (Jane Liu, U. Toronto)
</li>
<li>
<a href="https://drive.google.com/file/d/13CUCnDQet5hVMxOdvtdWbtDAT1TSlgH1/view?usp=drive_link" target="_blank">Impacts of PBL mixing representations on global model simulation of summertime surface ozone concentrations</a> (Jintai Lin, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1NhtA4944unjhNrhli_0rFEvRLnw4UpW-/view?usp=drive_link" target="_blank">Model reduction algorithms in atmospheric pollution transport simulations</a> (Mauricio Santillana, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1oiCMyPQ3phptCIfe4TwPAt1FOgu_BSnw/view?usp=drive_link" target="_blank">Development and evaluation of GEOS-Chem driven by CCSM3 meteorological data</a> (Daeok Youn, SNU)
</li>
</ul>
<h4>
Posters
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/15_DNH9ztceH-wLQwRVEQeh8D557qCQff/view?usp=drive_link" target="_blank">Using GEOS-Chem alongside observations from Mount Bachelor to understand the relationship between PAN and ozone during Spring 2008</a> (Emily Fischer, U. Washington)
</li>
</ul>
<h3>
<a name="aer_src_chem" id="aer_src_chem"></a>Aerosol sources and chemistry (Jun Wang, U. Nebraska, chair)
</h3>
<h4>
Presentations
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/1itUbavtbLeDMbvZs1lQJnVgYOyAvR3vo/view?usp=drive_link" target="_blank">Retrieval of SO2 vertical columns from SCIAMACHY and OMI: air mass factor algorithm development</a> (Chulkyu Lee, Dalhousie)
</li>
<li>
<a href="https://drive.google.com/file/d/1iboV5uBbSGbErFAr0ywZJyVD0054ezGm/view?usp=drive_link" target="_blank">Primary Biological Aerosol Particles (PBAP): an important part of the global organic aerosol budget?</a> (Colette Heald, CSU)
</li>
<li>
<a href="https://drive.google.com/file/d/1psY6B44Ael7gZVUNQnP2Sd4w-Ii41Qsw/view?usp=drive_link" target="_blank">Can we constrain sea-salt emissions over the Southern Ocean?</a> (Lyatt Jaeglé, U. Washington)
</li>
<li>
<a href="https://drive.google.com/file/d/1XltBFc1dZjocSRn3yHjPPqSCyzl4_1BZ/view?usp=drive_link" target="_blank">Modeling dust and dissolved iron deposition to the Southern Ocean using GEOS-Chem</a> (Nicholas Meskhidze, NC State)
</li>
<li>
<a href="https://drive.google.com/file/d/1H4TQWmPuS7jlzRM0OjIbWbY4_50JtufE/view?usp=drive_link" target="_blank">Impact of mineral dust on nitrate and sulfate partitioning over the Northern Pacific during INTEX-B</a> (Duncan Fairlie, NASA/Langley)
</li>
<li>
<a href="https://drive.google.com/file/d/1c9iQHGj_rpFSH3JAMythR4qfHbNBzhMG/view?usp=drive_link" target="_blank">Impacts of Asian summer monsoon on aerosols over eastern China</a> (Hong Liao, Chinese Acad. Sci.)
</li>
<li>
Synthesis of satellite (MODIS), aircraft (ICARTT), and surface (IMPROVE, AERONET) aerosol observations over eastern North America to improve MODIS aerosol retrievals and constrain aerosol concentrations and sources (Easan Drury, NREL)
</li>
<li>
<a href="https://drive.google.com/file/d/1E5gaLaGk8ch7dBynZ4cLwfhPfig2exmo/view?usp=drive_link" target="_blank">Climate response to changing United States aerosol sources: historical and projected aerosol burdens using GEOS-Chem</a> (Eric Leibensperger, Harvard)
</li>
</ul>
<h4>
Posters
</h4>
<ul>
<li>
Aqueous-phase reactive uptake of dicarbonyls as a source of organic aerosol over eastern North America (Tzung-May Fu, Hong Kong Polytechnic U.)
</li>
<li>
Exploring the effects of Patagonian dust on biological activity and carbon uptake in the South Atlantic Ocean using GEOS-Chem (Matthew Johnson, NC State)
</li>
</ul>
<h3>
<a name="aer_mp_rad" id="aer_mp_rad"></a>Aerosols: microphysics and radiation (Hong Liao, Chinese Acad. Sci., chair)
</h3>
<h4>
Presentations
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/1BzauEK7rqxxKIpqlvF5VZusRnrTmEcHk/view?usp=drive_link" target="_blank">On the seasonality of aerosol optical thickness over the southeastern U.S.</a> (Jun Wang, U. Nebraska - Lincoln)
</li>
<li>
<a href="https://drive.google.com/file/d/1SvHwCcaJRoRrOU8e1JMvaF0548pONRpQ/view?usp=drive_link" target="_blank">Arctic Haze: Comparing GEOS-Chem and CALIPSO</a> (Maurizio Di Pierro, U. Washington)
</li>
<li>
<a href="https://drive.google.com/file/d/1gaNGtbmsl14p9237aAGcpGFFdgPzrKq5/view?usp=drive_link" target="_blank">Attributing direct radiative forcing to specific emissions using adjoint sensitivities</a> (Daven Henze, U. Colorado)
</li>
<li>
<a href="https://drive.google.com/file/d/1tN8vzFBQJ43FYQSy9ZrqF6omz30vdhE8/view?usp=drive_link" target="_blank">Two-moment aerosol sectional (TOMAS) microphysics in GEOS-Chem</a> (Peter Adams, Carnegie-Mellon U.)
</li>
<li>
<a href="https://drive.google.com/file/d/1FFPayet0_Q9fNWBS-waPl2iBkolDPt9X/view?usp=drive_link" target="_blank">Global particle size distributions simulated with GEOS-Chem incorporating a sectional aerosol microphysics model: Key features and comparison with observations</a> (Fangqun Yu, SUNY Albany)
</li>
<li>
<a href="https://drive.google.com/file/d/1g5yUAvOTv2TYF8VVm3cSDlYG9ILFgojG/view?usp=drive_link" target="_blank">Effect of oceanic organic carbon emissions on the growth of secondary particles and global CCN abundance</a> (Gan Luo, SUNY Albany)
</li>
</ul>
<h4>
Posters
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/17gt4EH-OvuDJ3rVBcw_qbaSQ6SiWLY9v/view?usp=drive_link" target="_blank">Secondary organic aerosol formation from aqueous-phase reactions of glyoxal with OH radicals</a> (Yong Bin Lim, Rutgers)
</li>
<li>
Global distribution of CCN number concentration: Effect of sizes and emission heights of primary carbonaceous aerosol (Fangqun Yu, SUNY Albany)
</li>
<li>
Particle size distributions and CCN concentrations in the global atmosphere: Uncertainties associated with sulfur emission inventories and primary sulfate emission parameterizations (Gan Luo, SUNY Albany)
</li>
<li>
Quantifying aerosol direct radiative effect with MISR observations (Qinbin Li, UCLA)
</li>
<li>
Fine-mode aerosol optical thickness over East Asia : GEOS-Chem simulations constrained by MODIS and CALIOP (Xiaoguang Xu, U. Nebraska – Lincoln)
</li>
</ul>
<h3>
<a name="bioburn" id="bioburn"></a>Biomass burning (Bob Yokelson, U. Montana , chair)
</h3>
<h4>
Presentations
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/1QZQ5iPwidp4XKqWHKwVvYMHMM_Yu9m8Y/view?usp=drive_link" target="_blank">Large variations in vertical transport of surface fire emissions observed from space</a> (Siegfried Gonzi, U. Edinburgh)
</li>
<li>
<a href="https://drive.google.com/file/d/1SGF3hjW9Rks5OGCngsjZF35t1UQTdt2_/view?usp=drive_link" target="_blank">Incorporating a 1-D plume-rise model parameterization into GEOS-Chem to simulate vertical transport of fire emissions over North America</a> (Maria Val Martin, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1U4GGDknzLSbrt5OU_rkKgKwkQbgYC5sK/view?usp=drive_link" target="_blank">The sensitivity of CO and aerosol transport to the temporal and vertical distribution of N. American boreal fire emissions</a> (Yang Chen, JPL)
</li>
<li>
<a href="https://drive.google.com/file/d/1KoZwhuDFuG4dE77tYMYehsz7jDdHBVhL/view?usp=drive_link" target="_blank">Effects of Siberian forest fires on regional air quality and meteorology in spring 2003</a> (Rokjin Park , SNU)
</li>
<li>
<a href="https://drive.google.com/file/d/1b0O_bBtql1Xa83bM3_FH_rj2L9fsEVRo/view?usp=drive_link" target="_blank">Geos-Chem simulations of the impact on tropospheric O 3 from the 2003 Canberra megafires</a> (Nicholas Jones, U. Wollongong)
</li>
<li>
<a href="https://drive.google.com/file/d/1vJP_DU1I34YvaKOtKCJwHGA0dehelPVJ/view?usp=drive_link" target="_blank">Satellite detection and model analysis of wildfire NO x emissions in Siberia: Links to interannual variability of surface ozone for the period 1998-2004</a> (Hiroshi Tanimoto, NIES)
</li>
<li>
<a href="https://drive.google.com/file/d/17obn2Ue2d8Pmx0qftUzo3Ix3XsUXebf7/view?usp=drive_link" target="_blank">Nationwide impacts by fire emissions in the United Sates in summer 2002</a> (Tao Zeng , Georgia EPD)
</li>
<li>
Comparing CO and O3 measurements from TES during ARCTAS with GEOS-Chem simulations (Matthew Alvarado, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1ChsbCE098KDo1T2e3uZTP8U-iva6Wlc8/view?usp=drive_link" target="_blank">Interpretation of OMI NO2 observations during ARCTAS</a> (Nicolas Bousserez, Dalhousie)
</li>
</ul>
<h4>
Posters
</h4>
<ul><li>
<a href="https://drive.google.com/file/d/1oKnHWfGs7Lbp4OyNzhugJgaFjyAxx57D/view?usp=drive_link" target="_blank">Recent measurements of biomass burning emissions and plume chemistry</a> (Robert Yokelson, U. Montana)
</li>
<li>
<a href="https://drive.google.com/file/d/18NvLWIoDYX58GeUKxd-Woe0kPWQJ2rP7/view?usp=drive_link" target="_blank">Observing boreal wildfire emissions from space: HCHO and NO2</a> (Kateryna Lapina, CSU)
</li>
</ul><h2>
Day 2: Wednesday, April 8
</h2>
<h3>
<a name="trop_o3" id="trop_o3"></a>Tropospheric ozone (Yuhang Wang, Georgia Tech, chair)
</h3>
<h4>
Presentations
</h4>
<ul>
<li>
<a href="hhttps://drive.google.com/file/d/1ZU9Q8JLMOmDSFR0pUXgzfJFxVb98kNos/view?usp=drive_link" target="_blank">The HTAP model inter-comparisons: What do we learn about GEOS-Chem? </a>(Mat Evans, U. Leeds )
</li>
<li>
<a href="https://drive.google.com/file/d/1uFBQBNYsAdDWOMVdWk8bllEBhHXapehM/view?usp=drive_link" target="_blank">Spatially and temporally constraining the lightning flash rate parameterization in GEOS-Chem and its impact on tropospheric ozone variability</a> (and additional <a href="https://projects.iq.harvard.edu/files/acmg-geos/files/igc4-weda_ozone_murray_2_mac.mov" target="_blank">movie</a>) (Lee Murray, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1P-_qVPRQ1agIYM5X6uT5rYyZq66T5iAF/view?usp=drive_link" target="_blank">Interannual variability in tropical CO and ozone as seen by Aura satellite data and global models</a> (Jennifer Logan, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1_kAkneGUJjwt0qqe-N8Mg9mc6zQ8FWhT/view?usp=drive_link" target="_blank">The impacts of dynamics on tropical tropospheric ozone variability inferred from TES and GEOS-Chem Model</a> (Junhua Liu, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1-bzYVSnu5WIvKwbloY4JluIZUSFp5Za8/view?usp=drive_link" target="_blank">Insight into processes affecting upper tropospheric ozone: interpretation of satellite (OSIRIS, MAESTRO, ACE) and in-situ observations</a> (Matthew Cooper, Dalhousie)
</li>
<li>
<a href="https://drive.google.com/file/d/1Kj_j6LOD7O-OMrTh9-Cox-0Bg-ZSuHw7/view?usp=drive_link" target="_blank">Assimilating Tropospheric Emission Spectrometer profiles in GEOS-Chem</a> (K. Singh, Virginia Tech)
</li>
<li>
<a href="https://drive.google.com/file/d/19DNINGsx1R-l7N-cpnvI8NRIWct9iwYE/view?usp=drive_link">Quantifying the impact of long-range transport of pollution on ozone abundances in the Arctic troposphere </a>(Thomas Walker, U. Toronto)
</li>
</ul>
<h4>
Posters
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/1rq7R1-MG9MUoWQ1DMPc14EBPayHLmO0M/view?usp=drive_link" target="_blank">Partitioning the LIS/OTD lightning climatological dataset into separate ground and cloud flash distributions </a>(William Koshak, NASA/Marshall)
</li>
<li>
Improving techniques for satellite-based constraints of the lightning parameterization in a global chemical transport model (Lee Murray, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1RdDpI2xyLx_xGQhKzzPN1ZHdn4A3Q5Oe/view?usp=drive_link" target="_blank">Spring O3 at Mount Washington Observatory: implications for stratospheric intrusions</a> (Yaping Xiao, U. New Hampshire )
</li>
</ul>
<h3>
<a name="photochem" id="photochem"></a>Photochemistry (Lyatt Jaeglé, U. Washington , chair)
</h3>
<h4>
Presentations
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/1Jm9baX2cMPfgULFNjKwtW0nsnRPiwieC/view?usp=drive_link" target="_blank">Global model of the oxygen isotopic composition of atmospheric nitrate and comparison with observations</a> (Becky Alexander, U. Washington)
</li>
<li>
<a href="https://drive.google.com/file/d/1mhP3r6NVMeKz_wZQ-H8oF2Fb5y1c_cvD/view?usp=drive_link" target="_blank">The sensitivity of the oxygen isotopes of sulfate to changes in oxidant concentrations during the preindustrial-industrial transition</a> (Eric Sofen, U. Washington)
</li>
<li>
<a href="https://drive.google.com/file/d/1n0ts1SOYzOFdGxByOrlsM0DTfpzK8-fm/view?usp=drive_link" target="_blank">New insights in isoprene photooxidation: from chamber studies to global model</a> (Fabien Paulot, Caltech)
</li>
<li>
<a href="https://drive.google.com/file/d/14CccC-mQw_wfdt-C34B8NGzsVsqdPDcP/view?usp=drive_link" target="_blank">Implications of the uptake and reaction of HO2 on aerosols</a> (Helen McIntyre, U. Leeds)
</li>
<li>
<a href="https://drive.google.com/file/d/1XiccyfY9pkxdH_ZnIWsrN7ggcG3iBgqu/view?usp=drive_link" target="_blank">Assessing the oxidation capacity in the polar region</a> (Jingqiu Mao, Harvard)
</li>
</ul>
<h4>
Posters
</h4>
<ul>
<li>
Developments on tropospheric bromine chemistry in GEOS-Chem (Justin Parrella, Harvard)
</li>
</ul>
<h3>
<a name="raq" id="raq"></a>Regional air quality (Rob Pinder, EPA, chair)
</h3>
<h4>
Presentations
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/1OSrAHPDvS0KRxPFyTs3TNjYLXGGSGprF/view?usp=drive_link" target="_blank">Impacts of NO x emissions change on surface ozone in East Asia and China : the HTAP SR3 and SR6 cases</a> (Joshua Fu, U. Tennessee)
</li>
<li>
<a href="https://drive.google.com/file/d/1gTNykNZFYkVcE_scj3ygOYga7dFRYvVH/view?usp=drive_link" target="_blank">Air quality during the Beijing 2008 Olympics: effectiveness of emission restrictions</a> (Yuxuan Wang, Tsinghua U.)
</li>
<li>
<a href="https://drive.google.com/file/d/1LfrmCPMqbOfOkY-pUcvtLtDh1RuMaolB/view?usp=drive_link" target="_blank">High resolution modeling of CO spatial and temporal variations in Europe</a> (Anna Protonotariou, Nat'l Obs. Athens )
</li>
<li>
<a href="https://drive.google.com/file/d/1_t2G1M5W7gUA8CI-CCqAKA6wCi3_KAQI/view?usp=drive_link" target="_blank">Gas & aerosol boundary conditions to Chimere CTM from GEOS-Chem</a> (Gabriele Curci, U. L'Aquila)
</li>
<li>
<a href="https://drive.google.com/file/d/1O7ZQQCkrVro01mADA-AuWarLSY_CBUw3/view?usp=drive_link" target="_blank">Investigating downscaling techniques for the linkage of GEOS-Chem and CMAQ</a> (Yun-Fat Lam, U. Tennessee )
</li>
</ul>
<h4>
Posters
</h4>
<ul>
<li>
Global health and economic impacts of future ozone pollution (Noelle Selin, MIT)
</li>
<li>
Using GEOS-Chem in global multimedia models for life cycle assessment (Shanna Shaked, U. Michigan)
</li>
<li>
<a href="https://drive.google.com/file/d/16o04r2wDVKugBrzte9v8PN1G1N4t62KC/view?usp=drive_link" target="_blank">A comparison of field observations with global and regional chemical mechanisms</a> (Barron Henderson, U. North Carolina)
</li>
<li>
Development of global and regional modeling emission inventories in support of climate-chemistry modeling using GEOS-Chem/CMAQ (Jung-Hun Woo, Konkuk U.)
</li>
<li>
Climate change in the Eastern Mediterranean-Links with air quality (Kostas Varotsos, Nat'l Obs. Athens)
</li>
<li>
<a href="https://drive.google.com/file/d/153LGr60D5V1U7SSwUjoNEaF2-Tq6Huty/view?usp=drive_link">Correlations between PM 2.5 and meteorology in the U.S. and its relation to climate change: a statistical study</a> (Amos Tai, Harvard)
</li>
</ul>
<h3>
<a name="raq_space" id="raq_space"></a>Regional air quality observed from space (Folkert Boersma, KNMI, chair)
</h3>
<h4>
Presentations
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/15ndQVrrIN2CXIxMzigEJT5UXClf6SQ_p/view?usp=drive_link" target="_blank">Adjoint inversion of SCIAMACHY NO 2 columns</a> (Changsub Shim, JPL/Caltech)
</li>
<li>
<a href="https://drive.google.com/file/d/1-C3-jknOEpn2t1__K7yfER__uTt7aowB/view?usp=drive_link" target="_blank">Seasonal variation in nitrogen oxides at northern midlatitudes as inferred from ground-based and satellite-based observations </a>(Lok Lamsal, Dalhousie)
</li>
<li>
<a href="https://drive.google.com/file/d/1gv5AwLSwjlq0BizrmWXjZBAgwtSLU9Yn/view?usp=drive_link" target="_blank">Integrating satellite observation for assessing air quality over North America with GEOS-Chem</a> (Mark Parrington, U. Toronto)
</li>
<li>
<a href="https://drive.google.com/file/d/1xLTJ016xbwPHTq1oUcu2l5L1zhIxkvxA/view?usp=drive_link" target="_blank">Global ground-level PM2.5 concentrations inferred from MODIS and MISR observations</a> (Aaron van Donkelaar, Dalhousie)
</li>
<li>
<a href="https://drive.google.com/file/d/1F1C78ot3yvH1RVkdew1o3r82G8PtrqWA/view?usp=drive_link" target="_blank">Satellite remote sensing of a Multipollutant Air Quality Health Index </a>(Randall Martin, Dalhousie)
</li>
<li>
<a href="https://drive.google.com/file/d/1oWjyaTaGpKP4bBjFOiY_Zgq59rKJUChJ/view?usp=drive_link" target="_blank">Estimating particle sulfate concentrations using MISR aerosol properties</a> (Yang Liu, Emory U.)
</li>
<li>
<a href="https://drive.google.com/file/d/1yJ3smvqgDfx2zr_gp3ePN86s3_22RquM/view?usp=drive_link" target="_blank">Observing System Simulation Experiments (OSSE) in support of GEO-CAPE science and measurement requirements definition </a>[with additional movies: <a href="https://projects.iq.harvard.edu/files/acmg-geos/files/igc4-wedd_airquality2_bowman_2_mac.gif" target="_blank">movie 1</a> <a href="https://projects.iq.harvard.edu/files/acmg-geos/files/igc4-wedd_airquality2_bowman_3_mac.gif" target="_blank">movie 2</a>] (Kevin Bowman, JPL)
</li>
</ul>
<h4>
Posters
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/1mdt7J8hLz1x-eOiNTpuRfoVHOi-_pvKl/view?usp=drive_link" target="_blank">Air quality forecasting using geostationary satellite observations</a> (Peter Zoogman, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1ZwD9MRpSyP3QOi98IvFGO38WgZrTikrU/view?usp=drive_link" target="_blank">Using satellite observations of tropospheric NO2 to test global changes in anthropogenic NOx emissions: from the Clean Air Act to the Mediterranean Sea and the 2008 Beijing Olympic Games</a> (Folkert Boersma, KNMI)
</li>
<li>
<a href="https://drive.google.com/file/d/1EKjsz8o0eN_p6FREkkeEWKrZgoF5wSuu/view?usp=drive_link" target="_blank">Assimilated inversion of NO x emissions over East Asia using OMI NO2 column measurements</a> (Yuhang Wang , Georgia Tech)
</li>
<li>
<a href="https://drive.google.com/file/d/1vS-weUfUPWKpQjtm4iz5wUp4nHUhKMwP/view?usp=drive_link" target="_blank">The impact of Hurricanes Katrina and Rita on pollution emissions as inferred by OMI NO2</a> (Bryan Duncan, NASA/GSFC)
</li>
<li>
<a href="https://drive.google.com/file/d/1Z9LG3T_Ku0B280BCOyjbjSBUOS2BjzE0/view?usp=drive_link" target="_blank">Application of OMI Ozone Profiles in CMAQ </a>(Lihua Wang, U. Alabama Huntsville)
</li>
<li>
Constraint on anthropogenic NOx emissions in China from different sectors: a new methodology using multiple satellite retrievals (Jintai Lin, Harvard)
</li>
</ul>
<h3>
<a name="mercury" id="mercury"></a>Mercury (Elsie Sunderland, Harvard, chair)
</h3>
<h4>
Presentations
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/1WOxca3AQ0D1BKbQ6SK7P-8bIfzLUFHpW/view?usp=drive_link" target="_blank">A global mercury simulation and budget based on Hg+Br chemistry</a> (Chris Holmes, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1b84WQhrfEeh_Cuqlh8y2j-8jnV0J4aG5/view?usp=drive_link" target="_blank">Changing emissions and global mercury cycling</a> (Elizabeth Corbitt, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1x5cXFB9PzYyBRVFGrL0XYm0kDFYkLXBM/view?usp=drive_link" target="_blank">Incorporating a global terrestrial mercury model into GEOS-Chem</a> (Nicole Smith-Downey, U. Texas)
</li>
<li>
<a href="https://drive.google.com/file/d/1FExo0hXp9fI0yAZhIyVal31o4e3Jl8o7/view?usp=drive_link" target="_blank">Evaluating mercury exposure and source attribution using GEOS-Chem</a> (Noelle Selin, MIT)
</li>
</ul>
<h4>
Posters
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/1AVf8aW-CM5VyNFox__rk_GNsz8GxMzEn/view?usp=drive_link" target="_blank">Enhancements to the ocean mercury modeling capability in GEOS-Chem</a> (Elsie Sunderland, Harvard)
</li>
</ul>
<h3>
<a name="carb_gases" id="carb_gases"></a>Carbon gases (Qinbin Li, UCLA, chair)
</h3>
<h4>
Presentations
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/1ag2EZdintg55j2gRGmVnFswb8xCZA6a5/view?usp=drive_link" target="_blank">Northern hemispheric CO source estimates as derived in an adjoint inversion from combined MOPITT, AIRS and SCIAMACHY measurements of CO columns</a> (Monika Kopacz, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1UOpiqwUCrNf7ShYdXLLg6q3IELA0kd_V/view?usp=drive_link" target="_blank">Evidence for a soil source of CO in the deserts of Saudi Arabia</a> (Dylan Jones, U. Toronto)
</li>
<li>
<a href="https://drive.google.com/file/d/1Fw0P9bn9HFbP4fRrBq8wJ8F-yknFFBs6/view?usp=drive_link" target="_blank">Modeling CO2 and its sources and sinks with GEOS-Chem</a> (Ray Nassar, U. Toronto)
</li>
<li>
<a href="https://drive.google.com/file/d/1OVo0y5u39vaV79T2Hh1AhIy5MxGkZAbd/view?usp=drive_link" target="_blank">What can we learn about upper tropospheric CO2?</a> (Xun Jiang, JPL)
</li>
<li>
<a href="https://drive.google.com/file/d/1D8jNQX4HrLT0CFs8nrkB-m89auzMibXW/view?usp=drive_link" target="_blank">Using satellite data in joint CO2 - CO inversion</a> (Helen Wang, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1c1pO50xEVZKmA-GweeaJeSX2YJIrarmM/view?usp=drive_link" target="_blank">Atmospheric constraints on the global budget of carbonyl sulfide</a> (Parvadha Suntharalingam, U. East Anglia)
</li>
<li>
<a href="https://drive.google.com/file/d/1z2apTfzcCK_-tk51wK_fRcvdvj6G1q-u/view?usp=drive_link" target="_blank">Primary and secondary sources of atmospheric acetaldehyde</a> (Dylan Millet, U. Minnesota)
</li>
<li>
<a href="https://drive.google.com/file/d/1I3k_mNX-fy3ObrRgUwc6wH0DbSXsDGSt/view?usp=drive_link" target="_blank">Methane source contribution in the Arctic: a study using GEOS-Chem and airborne CH4 measurements obtained during ARCTAS-08</a> (Christopher Pickett-Heaps, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1Gk9bQXPKnpGwV8P528hipmt6pDCYI2sv/view?usp=drive_link" target="_blank">Evaluating hotspot tropospheric methane concentrations in Himalaya region with GEOS-Chem and AIRS satellite retrievals</a> (Jinyun Tang, Purdue)
</li>
</ul>
<h4>
Posters
</h4>
<ul>
<li>
A satellite perspective on the inter-hemispheric transport of CO (Chenxia Cai, JPL)
</li>
<li>
Quantifying the impact of aggregation errors and model transport biases on top-down estimates of carbon monoxide emissions using satellites observations (Zhe Jiang, U. Toronto)
</li>
<li>
<a href="https://drive.google.com/file/d/19nXgMUNEpdFoklCBuivQK3KnB5aBywOh/view?usp=drive_link" target="_blank">Atmospheric formic acid: modeling and satellite remote sensing</a> (Gonzalo Gonzalez Abad, York U. )
</li>
<li>
<a href="https://drive.google.com/file/d/1dFDtq9ZmEo94AF-lup63YmdnBWFe2vY3/view?usp=drive_link" target="_blank">Evaluating a simulation of methane using ground-based and satellite measurements</a> (Annemarie Fraser, U. Edinburgh)
</li>
<li>
Inversion analysis of North American methane emissions Using INTEX-NA aircraft data (Kevin Wecht, Harvard)
</li>
<li>
BVOC emissions in GEOS-Chem: model evaluation at two tropical rain forest sites (Michael Barkley, U. Edinburgh)
</li>
</ul>
<h2>
Day 3: Thursday, April 9
</h2>
<h3>
<a name="chem_clim_land" id="chem_clim_land"></a>Chemistry-Climate-Land Interactions (Dylan Millet, U. Minnesota , chair)
</h3>
<h4>
Presentations
</h4>
<ul>
<li>
<a href="https://drive.google.com/file/d/1lTr3qCJmFc3xG1ZUeYivwcoV9poPzyoA/view?usp=drive_link" target="_blank">New directions in studies of chemistry-climate interactions using GEOS-Chem</a> (Loretta Mickley, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1Rdi7CS3mwf40Z-CTZDq5ksyKFkU9CBoF/view?usp=drive_link" target="_blank">Effects of tropical deforestation on tropospheric chemistry: a 10-year study using GEOS-Chem </a>(Prasad Kasibhatla, Duke)
</li>
<li>
<a href="https://drive.google.com/file/d/1OkRg4ypo2O5p6SqEPyKdbsghzfAssPs4/view?usp=drive_link" target="_blank">Impacts of changes in land use/land cover on chemistry & air quality </a>(Shiliang Wu , Michigan Tech)
</li>
<li>
<a href="https://drive.google.com/file/d/12lnuE75TIoORForY5t7nay6Xa9VktTae/view?usp=drive_link" target="_blank">Future inorganic aerosol levels</a> (Havala Pye, Caltech)
</li>
<li>
<a href="https://drive.google.com/file/d/1eXozvjlEQU_D9UdO7cUdxBkJ0eDJFhqQ/view?usp=drive_link" target="_blank">Application of sensitivity of ozone air quality to temperature change to validate chemical transport models for future ozone simulation over the United States</a> (Moeko Yoshitomi, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1OBHiK_9hIiv_fPJ2pw2frkxNWAztmWQN/view?usp=drive_link" target="_blank">Impact of climate change on North American wildfire and ozone air quality in the United States</a> (Rynda Hudman, UC Berkeley)
</li>
<li>
<a href="https://drive.google.com/file/d/1IZk4wNP5QC1VCML59uRsw5CABpcq_CbP/view?usp=drive_link" target="_blank">Effects of climate change on future forest fire and its impact on regional air quality</a> (Hyun Cheol Kim, U. Houston )
</li>
<li>
Re-thinking the IPCC radiative forcing bar chart: the sector based paradigm (Nadine Unger, GISS)
</li>
</ul>
<h3>
<a name="softeng" id="softeng"></a>Software Engineering etc.
</h3>
<ul>
<li>
<a href="https://drive.google.com/file/d/1-SC5Qr5tSwH_LS7YM_lCc6e1tM39WGAk/view?usp=drive_link" target="_blank">Software engineering, code development, user support issues</a> (Bob Yantosca, Philippe LeSager, Claire Carouge, leads)
</li>
<li>
<a href="https://drive.google.com/file/d/1g8ClbZAfpPvdX-dX7JUu6oi6Uc8WUIHz/view?usp=drive_link">Adjoint Model Clinic</a> (led by: Daven Henze, Monika Kopacz, Kumaresh Singh)
</li>
</ul>
<h2>
Day 4: Friday, April 10
</h2>
<h3>
<a name="wg_reports" id="wg_reports"></a>Working Group Reports
</h3>
<ul>
<li>
<a href="https://drive.google.com/file/d/1CSj2IueqsfQes79ZQPp9Wsbst6lnQQwB/view?usp=drive_link" target="_blank">Adjoint</a> (co-chairs Kevin Bowman, Daven Henze)
</li>
<li>
<a href="https://drive.google.com/file/d/1qV5FfaHwxyeLmo8naJ2uUj55G8vUXdic/view?usp=drive_link" target="_blank">Aerosol processes</a> (co-chairs Colette Heald, Fangqun Yu)
</li>
<li>
<a href="https://drive.google.com/file/d/1h59jOyDu9ZIdtzWY86Z2ETeN5W7aXsL7/view?usp=drive_link" target="_blank">Carbon gases</a> (co-chairs Dylan Jones, Prasad Kasibhatla)
</li>
<li>
<a href="https://drive.google.com/file/d/13toz6QLfgiEA6IBxCXJ0OulmtuAlNy3R/view?usp=drive_link" target="_blank">Chemistry-climate interactions</a> (co-chairs Becky Alexander, Loretta Mickley)
</li>
<li>
<a href="https://drive.google.com/file/d/1Bm3kv6389n_Gei0JHz6oP_Y5DXyGPZf9/view?usp=drive_link" target="_blank">Emission inventories</a> (co-chairs Jennifer Logan, Randall Martin)
</li>
<li>
<a href="https://drive.google.com/file/d/1xxrKwQ4EDCR-GGU4Lr2zDYEJtmSU8eaW/view?usp=drive_link">Oxidants and chemistry</a> (co-chairs Mat Evans, May Fu)
</li>
<li>
<a href="https://drive.google.com/file/d/1sYKMoYkOLsgFpqWi-jhWIfQb_fOwaVyW/view?usp=drive_link" target="_blank">Regional modeling </a>(co-chairs Rokjin Park , Yuxuan Wang)
</li>
</ul>
<h3>
GEOS-Chem Model Clinic
</h3>
<ul>
<li>
<a href="https://drive.google.com/file/d/1MH43evVHZZH90m77UTeLBuRKlgKXjETx/view?usp=drive_link" target="_blank">Model Clinic Summary</a> (led by: Bob Yantosca, Philippe Le Sager, Claire Carouge)
</li>
</ul>
</div>
</div>
</div>
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