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The 8th International GEOS-Chem Meeting<br />May 1-4, 2017
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Monday, May 1: <a href="#MonA">Model Overview</a> | <a href="#MonB">Working Groups</a> | <a href="#MonD">Chemistry</a> | <a href="#MonE">Carbon Gases</a> | <a href="#MonC">Model Clinics</a> | <a href="#MonP">Posters</a><br class="clearfix" />Tuesday, May 2: <a href="#TueA">Aerosols</a> | <a href="#TueB">Aerosol Microphysics</a> | <a href="#TueD">Transport</a> | <a href="#TueE">Sources & Sinks</a> | <a href="#TueC">Model Clinics</a> | <a href="#TueP">Posters</a><br class="clearfix" />Wednesday, May 3: <a href="#WedA">Chem-Ecosys-Clim</a> | <a href="#WedB">Air Quality Implications</a> | <a href="#WedC">Air Quality Science</a> | <a href="#WedD">Model Clinics</a> | <a href="#WedP">Posters</a><br class="clearfix" />Thursday, May 4: <a href="#ThuA">Future Directions</a>
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<h2>
Monday, May 1
</h2>
<h3>
<a name="MonA" id="MonA"></a>Model Overview (Daniel Jacob, Harvard, Chair)
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1X5JJMi3dwjUyQZX9lir7NFGhSBldDSGB/view?usp=drive_link" target="_blank">Welcome and GEOS-Chem overview</a> (Daniel Jacob, Harvard and Randall Martin, Dalhousie)
</li>
<li>
<a href="https://drive.google.com/file/d/1E2hRhfDjHePpEE1NTO5LGm-A2rmlGnEc/view?usp=drive_link" target="_blank">High-performance GEOS-Chem (GCHP) and flexible chemistry (FlexChem)</a> (Michael Long, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1YsjYRF1z3CVr6Y_AMXgSiu3Ue2IAKEEQ/view?usp=drive_link" target="_blank">The GEOS-Chem adjoint model</a> (Daven Henze, CU-Boulder)
</li>
<li>
<a href="https://drive.google.com/file/d/1bpjzTD0Ju1RHPTw3-FQg-Wonuki0vzQ_/view?usp=drive_link" target="_blank">GEOS-Chem Support Team activities</a> (Bob Yantosca, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1Z4OwlhxU5JkWBal_B9X871HPbOqS8H9W/view?usp=drive_link" target="_blank">Update on GMAO Forward Processing System</a> (Andrea Molod, NASA GSFC – GMAO)
</li>
<li>
<a href="https://drive.google.com/file/d/1QV5qBfJmlg-w90nu3hhV8lwar3p-iQQb/view?usp=drive_link" target="_blank">Towards chemical forecasting with the GMAO's GEOS models </a>(Steven Pawson, NASA GSFC – GMAO)
</li>
<li>
<a href="https://drive.google.com/file/d/1uwyLA1sHZlNx3w31ApcVCQzyEmpLa_3S/view?usp=drive_link" target="_blank">The GEOS-5 nature run with tropospheric chemistry</a> (Christoph Keller, NASA GSFC – GMAO)
</li>
</ul><h3>
<a name="MonB" id="MonB"></a>GEOS-Chem Working Groups (Amos Tai, CUHK, Chair)
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1JSW1FuWPeKY6GwXWKBzNHt0aTcKnVIxQ/view?usp=drive_link" target="_blank">Transport Working Group</a> (Hongyu Liu, NIA/NASA Langley and Andrea Molod, NASA GSFC – GMAO)
</li>
<li>
<a href="https://drive.google.com/file/d/1A5G7GKVPQnGxKbCMkeCkTQSHuYo_Wr0G/view?usp=drive_link" target="_blank">Chemistry and Organics Working Group</a> (Mat Evans, U. York; Barron Henderson, US EPA; Emily Fischer, CSU; Dylan Millet, U. Minnesota)
</li>
<li>
<a href="https://drive.google.com/file/d/1T5tXoLzzhPxkdE0bIcEPzlq4Fd3qQJgA/view?usp=drive_link" target="_blank">Aerosols Working Group</a> (Colette Heald, MIT and Jeff Pierce, CSU)
</li>
<li>
<a href="https://drive.google.com/file/d/1vD3LFYgVHn4U7x3u4Kq14aYedq-Vd6W7/view?usp=drive_link" target="_blank">Sources and surface sinks Working Group</a> (Jintai Lin, PKU and Qiang Zhang, Tsinghua)
</li>
<li>
<a href="https://drive.google.com/file/d/1L8dB6cTN1taT7kBX48Sj48sBBbA5HeGt/view?usp=drive_link" target="_blank">Chemistry-Climate Working Group</a> (Shiliang Wu, Michigan Tech)
</li>
<li>
<a href="https://drive.google.com/file/d/1AbRU4P94KmbtpjDck3wL71Z3T6CMzVJn/view?usp=drive_link" target="_blank">Carbon Cycle and Data Assimilation Working Group</a> (Kevin Bowman, JPL and Dylan Jones, U. Toronto)
</li>
<li>
<a href="https://drive.google.com/file/d/1b-gBwUcQngVvwmpLsmXmvb2GgDwtLiSu/view?usp=drive_link" target="_blank">Nested Model Working Group</a> (Yuxuan Wang, U. Houston; Jun Wang, U. Iowa; Lin Zhang, PKU)
</li>
<li>
<a href="https://drive.google.com/file/d/19izON1I3y82Ex7Oo00y6vksKe1Vsey3J/view?usp=drive_link" target="_blank">Mercury and POPs Working Group</a> (Jenny Fisher, U. Wollongong and Chris Holmes, FSU)
</li>
</ul><h3>
<a name="MonD" id="MonD"></a>Chemistry (Barron Henderson, US EPA, Chair)
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1OCSUMDypuONErkJiWUSGZT0qqfldx-fm/view?usp=drive_link" target="_blank"><b>KEYNOTE:</b> GEOS-Chem implementation of the Caltech isoprene mechanism</a> (Paul Wennberg, Caltech)
</li>
<li>
<a href="https://drive.google.com/file/d/1Nh2SaT7X18OBDq1i9E1k23mZ412TOOfW/view?usp=drive_link" target="_blank">Updated isoprene chemistry in GEOS-Chem: mechanisms and impacts</a> (Kelvin Bates, Caltech)
</li>
<li>
<a href="https://drive.google.com/file/d/1BsTeOc4ZluXt6Nn3vZGYKSmRDkpAwZYf/view?usp=drive_link" target="_blank">Rights and wrongs with the GEOS-Chem PAN Simulation</a> (Emily Fischer, CSU)
</li>
<li>
<a href="https://drive.google.com/file/d/1OZgPbsnfL9vTKRxVWre1CWONCZz3MRUl/view?usp=drive_link" target="_blank">Alkyl nitrate impacts on the NOx budget: insights from aircraft observations and GEOS-Chem</a> (Jenny Fisher, U. Wollongong)
</li>
<li>
<a href="https://drive.google.com/file/d/1JSiN3ZnJAN7cBH7NUL7ihd4krEAmlMYq/view?usp=drive_link" target="_blank">Wintertime emissions and chemistry over the NE US: Role of oxidants and heterogeneous chemistry</a> (Lyatt Jaegle, U. Washington)
</li>
<li>
<a href="https://drive.google.com/file/d/1tYi3CX07honLFAD1We8k_CrDqWn_HHwL/view?usp=drive_link" target="_blank">Halogen chemistry in GEOS-Chem</a> (Mat Evans, U. York)
</li>
<li>
<a href="https://drive.google.com/file/d/1TV5OrkMOvOIqiM9xqzIDCMMXRDIoeTPK/view?usp=drive_link" target="_blank">Using OMI cloud-sliced NO2 and GEOS-Chem to better understand dynamics of upper troposphere NOx</a> (Eloise Marais, U. Birmingham)
</li>
<li>
<a href="https://drive.google.com/file/d/1YkufvGlL8kGxEjRJlUQ9gIsK486tHD44/view?usp=drive_link" target="_blank">The reactive organic carbon budget</a> (Sarah Safieddine, MIT)
</li>
<li>
<a href="https://drive.google.com/file/d/1Q-F6X3pLyb_AjAFPw20VU2FLYGrics4K/view?usp=drive_link" target="_blank">Global budget of tropospheric ozone: long term trend and recent model advances</a> (Lu Hu, U. Montana)
</li>
</ul><h3>
<a name="MonE" id="MonE"></a>Carbon Gases (Emily Fischer, CSU, Chair)
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1eVz1ckmey_n0qx83nzqyF4wYZuoHhpsq/view?usp=drive_link" target="_blank">Response of the carbon cycle to climate variability</a> (Kevin Bowman, JPL)
</li>
<li>
<a href="https://drive.google.com/file/d/1-edBObxIZF9ZHzWszw4PkAaoRpFUmRot/view?usp=drive_link" target="_blank">Using GEOS-Chem to characterize the effect of transport uncertainty in atmospheric flux inversions of OCO-2 column averaged CO2</a> (Andrew Schuh, CSU)
</li>
<li>
<a href="https://drive.google.com/file/d/1cYQdW3V9cb1DWZBgZ-CGc_uCIk7h-ebX/view?usp=drive_link" target="_blank">Incorporating GEOS-Chem in CarbonTracker: model developments, transport comparison to TM5, and tracer conservation</a> (Andy Jacobson, NOAA/ESRL)
</li>
<li>
<a href="https://drive.google.com/file/d/1BdLvT7Kk-HbDh10LIIkVCHbmpHI31cyL/view?usp=drive_link" target="_blank">Characterizing the information that space-based observations provide on the spatial distribution of atmospheric CO2</a> (Dylan Jones, U. Toronto)
</li>
<li>
<a href="https://drive.google.com/file/d/1ijrJ7YdBiOZsrbDiH6wdejN8VL1WYorJ/view?usp=drive_link" target="_blank">Coupled stratosphere-troposphere chemistry raises the methane global warming potential</a> (Chris Holmes, FSU)
</li>
<li>
<a href="https://drive.google.com/file/d/1efMGCZEhZ2NZbRBeT2RzX2oytvpOAIHc/view?usp=drive_link target="_blank">A sensitivity analysis of key natural factors in the modeled global acetone budget</a> (Jared Brewer, CSU)
</li>
<li>
<a href="https://drive.google.com/file/d/1QZRlKA3cA-S69f6fPIXxTtdkLbbZ38Nj/view?usp=drive_link" target="_blank">Efficient tuning of transport and prior error statistics in high-dimensional source inversions using the adjoint of GEOS-Chem</a> (Nicolas Bousserez, CU – Boulder)
</li>
</ul><h3>
<a name="MonC" id="MonC"></a>GEOS-Chem Model Clinics
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/133ZINPJgYYId_JaNGF_NDBGtKyWoQzHQ/view?usp=drive_link" target="_blank">GEOS-Chem for beginners</a> (Melissa Sulprizio, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1vpO_jPUJV1iQ-JPUJLpiI9mGQUVg54Mz/view?usp=drive_link" target="_blank">GEOS-Chem for advanced users</a> (Bob Yantosca, Harvard)
</li>
<li>
<a href="https://prezi.com/g1hlt6u1pr8u/adjoint-clinic-2017/?utm_campaign=share&utm_medium=copy" target="_blank">GEOS-Chem adjoint</a>; <a href="https://drive.google.com/file/d/18ZrS-pnsIyyFhzb8MnkdmaaIdJ0XBfQX/view?usp=drive_link" target="_blank">handout</a> (Daven Henze and Yanko Davila U. CU-Boulder)
</li>
</ul><h3>
<a name="MonP" id="MonP"></a>Posters
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1KiMTjkUdj7HaILlIgRqsUE1CJd6-Ll7c/view?usp=drive_link" target="_blank">Cloud radiative effects on key tropospheric oxidants in GEOS-Chem</a> (Hongyu Liu, NIA/NASA Langley)
</li>
<li>
Formaldehyde (HCHO) column measurements from airborne instruments: Comparison with airborne in-situ measurements, model, and satellites (Hyeong-Ahn Kwon, Seoul National U.)
</li>
<li>
Pinpointing inaccuracies in isoprene emission estimates (Jen Kaiser, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1vZPDPhxbVnXU1PwMZqGZ9iRePe3D0W88/view?usp=drive_link" target="_blank">Formaldehyde yields used to derive isoprene emissions in Australia with OMI measurements</a> (Jesse Greenslade, U. Wollongong)
</li>
<li>
Modelled and observed HCHO columns over India (Luke Surl, U. Edinburgh)
</li>
<li>
Constraining hydrocarbon emissions over the Indian subcontinent based on HCHO observations from OMI and GOME-2 (Sreleekha Chaliyakunnel, U. Minnesota)
</li>
<li>
<a href="https://drive.google.com/file/d/15Qs5BXEq99u1XGu4sdhb6THYjcMBFmq6/view?usp=drive_link" target="_blank">Adjoint inversion of Chinese non-methane volatile organic compounds sources using space-based observations of formaldehyde and glyoxal</a> (Hansen Cao, Peking U.)
</li>
<li>
<a href="https://drive.google.com/file/d/1aIXE9LZqfW5IbujaY9B3o7RIzNECAc1Y/view?usp=drive_link" target="_blank">Sources and fate of reactive carbon over North America: constraints from recent aircraft campaigns</a> (Xin Chen, U. Minnesota)
</li>
<li>
Impacts of updated aromatic and monoterpene chemistry (William Porter, MIT)
</li>
<li>
Observing formaldehyde (HCHO) from space: trend analysis and public health implications (Lei Zhu, Harvard)
</li>
<li>
A decadal (2004-2014) analysis of global-to-regional tropospheric ozone column trends using OMI observations and GFDL-AM3 model simulations (Guanyu Huang, Harvard-Smithsonian CFA)
</li>
<li>
How to explain the bias associated with the NOy distribution in the upper troposphere in global chemical transport models? (Alicia Gressent, MIT)
</li>
<li>
<a href="https://drive.google.com/file/d/17LTadIq5frpcIpS95v4VMG7bLE3aA6DV/view?usp=drive_link" target="_blank">Reconciling upper tropospheric NO2 measurements for the interpretation of satellite observations</a> (Rachel Silvern, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1cmi3pqLcA62LlcmqyDRlZXFgMLx-TpIx/view?usp=drive_link" target="_blank">Summary of RS-HDMR sensitivity analyses of modeled ozone and hydrogen oxides for six NASA field campaigns</a> (Ken Christian, Penn State)
</li>
<li>
Infer surface fluxes of bromoform and dibromomethane from aircraft and in-situ observations using tagged VSLS simulations (Liang Feng, U. Edinburgh)
</li>
<li>
Assimilating satellite observed CO2 using GEOS-Chem (Feng Deng, U. Toronto)
</li>
<li>
Arctic CO2 in a changing climate: constraints on fluxes and transport from in situ measurements, modeling, and remote sensing (Kelly Graham, FSU)
</li>
<li>
<a href="https://drive.google.com/file/d/1M8X8WPMjxRZ8OssXY0lx9Q76v0VqX_3N/view?usp=drive_link" target="_blank">Evaluation of GEOS-Chem-simulated biospheric carbon dioxide fluxes and atmospheric concentrations using observations</a> (Sajeev Philip, NASA-Ames)
</li>
<li>
<a href="https://drive.google.com/file/d/1KQYNytxJEYirgdtQzHy7X92y8L5Dt8IX/view?usp=drive_link" target="_blank">GEOS-Chem simulations of greenhouse gas measurements (CO2, CH4 and CO) from moving platforms in and around Australia</a> (Beata Bukosa, U. Wollongong)
</li>
<li>
Diagnosing GEOS-Chem model biases using GOSAT CH4 retrievals and Weak Constraint 4D-Var Data Assimilation (WC 4D-Var) (Ilya Stanevich, U. Toronto)
</li>
<li>
<a href="https://drive.google.com/file/d/1nn988TXGxcYk46blGw7wnVr8z_WMaX6z/view?usp=drive_link" target="_blank">Understanding the sources and sinks of atmospheric methane</a> (Alex Turner, Harvard)
</li>
<li>
Methane trends in North America observed by GOSAT: contributions from different source types (Jianxiong Sheng, Harvard)
</li>
<li>
Improving understanding of U.S. methane emissions using a new gridded inventory (Joannes Maasakkers, Harvard)
</li>
<li>
Spatial attribution of decadal changes in methane and ozone radiative forcing constrained by satellite observations (Thomas Walker, JPL/Caltech)
</li>
<li>
Optimization of CO assimilation using weak constraint (Tailong He, U. Toronto)
</li>
<li>
Development of a tropospheric chemistry data assimilation system: GEOS-Chem-EnKF (Kayuzuki Miyazaki, JAMSTEC/JPL)
</li>
<li>
<a href="https://drive.google.com/file/d/1m9AaO5tcuBh3ds6M-mc4q-8xtG8qOsX5/view?usp=drive_link" target="_blank">GEOS-Chem on cloud computing platforms</a> (Jiawei Zhuang, Harvard)
</li>
<li>
On the development of the UCX GEOS-Chem adjoint (Irene Dedoussi, MIT)
</li>
</ul><h2>
Tuesday, May 2
</h2>
<h3>
<a name="TueA" id="TueA"></a>Aerosols (Becky Alexander, U. Washington, Chair)
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1H8VJ6aQ_x1U3lp3i_AKzh9SNOrj55PLk/view?usp=drive_link" target="_blank"><b>KEYNOTE:</b> Recent aerosol field and lab results and implications for modeling</a> (Jose Jimenez, CU – Boulder)
</li>
<li>
Insight into the global distribution and chemical composition of PM2.5 from the SPARTAN Global Aerosol Network (Crystal Weagle, Dalhousie)
</li>
<li>
<a href="https://drive.google.com/file/d/1APxL5SBarA5MCt6fHEmBEMhBfU-ucXll/view?usp=drive_link" target="_blank">Effect of seasalt nitrate photolysis on global NOx, O3, and OH</a> (Prasad Kasibhatla, Duke)
</li>
<li>
<a href="https://drive.google.com/file/d/1GJs3ZDWgsPbQrm_6BOTjSazJfZn_vtry/view?usp=drive_link" target="_blank">Distribution and sources of submicron aerosols during the WINTER 2015 aircraft campaign</a> (Viral Shah, U. Washington)
</li>
<li>
<a href="https://drive.google.com/file/d/1-ljAzOMQlTx4a6mErsnbad9HnmzPL4_1/view?usp=drive_link" target="_blank">Trends in chemical composition of global and regional population-weighted fine particulate matter over the recent 25 years</a> (Chi Li, Dalhousie)
</li>
<li>
<a href="https://drive.google.com/file/d/1YWdiBnc_ovq0x7K3CJfwBSFVyA9mZ2yS/view?usp=drive_link" target="_blank">Impacts of sulfur oxidation by reactive halogen on both sulfur and reactive halogen budgets</a> (Qianjie Chen, U. Washington)
</li>
<li>
<a href="https://drive.google.com/file/d/1w1Okn3D1kqlzS5pq87E0gMVczvYV5EM2/view?usp=drive_link" target="_blank">Inconsistency of ammonium-sulfate aerosol ratios with thermodynamic models in the eastern US: a possible role of organic aerosol</a> (Rachel Silvern, Harvard)
</li>
</ul><h3>
<a name="TueB" id="TueB"></a>Aerosol Microphysics and Radiative Forcing (Jeff Pierce, CSU, Chair)
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1j1rWX7I6XvnYpW1NUiBeXfHhqc-mIu8K/view?usp=drive_link" target="_blank">Applying observations of the OMI Ultraviolet Aerosol Index to understand trends in aerosol absorption</a> (Melanie Hammer, Dalhousie)
</li>
<li>
<a href="https://drive.google.com/file/d/17QGeRM_8-EgYCdZ3kAwG1kxIiUyf0pKt/view?usp=drive_link" target="_blank">The impact of aerosol size distribution representation on aerosol optical properties and radiative effects</a> (David Ridley, MIT)
</li>
<li>
<a href="https://drive.google.com/file/d/1xqovonIfim8s47hqXJ9nOl-G89UO20BL/view?usp=drive_link" target="_blank">Why the aerosol indirect forcing using the mass-only aerosol representation in GEOS-Chem may never look quite right</a> (Jack Kodros, CSU)
</li>
<li>
<a href="https://drive.google.com/file/d/1yyWuygZx4SfAHLWzqh4DtsJ7ILPhqP1U/view?usp=drive_link" target="_blank">Implementation of new nucleation schemes in GEOS-Chem and results</a> (Fangqun Yu, SUNY-Albany)
</li>
<li>
<a href="https://drive.google.com/file/d/1Lld_EhIzrlPEW9w6jyBxQ6qiMGVlrdGi/view?usp=drive_link" target="_blank">The impact of size-resolved aerosol microphysics on heterogeneous chemistry: uncertainties associated with aerosol size and composition</a> (Gan Luo, SUNY-Albany)
</li>
</ul><h3>
<a name="TueD" id="TueD"></a>Transport, Sources and Sinks (Hongyu Liu, NIA/NASA Langley, Chair)
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1Jvp0PPei42kF0p5rw4nrDiEc1v6ZgkBI/view?usp=drive_link" target="_blank">Impact of higher resolution GMAO Forward Processing fields on short-lived tropospheric tracers</a> (Clara Orbe, NASA GSFC – GMAO)
</li>
<li>
<a href="https://drive.google.com/file/d/1Z-k2wIEbKxgebOcWwRa-dMfsElbZT2fp/view?usp=drive_link" target="_blank">Limits on GEOS-Chem's ability to represent intercontinental transport</a> (Seb Eastham, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1dS6WOgqAWsSVVQkAleWx3epuuOnf2OgL/view?usp=drive_link" target="_blank">How representative are airborne field campaigns of reactive tropospheric composition?</a> (Lee Murray, U. Rochester)
</li>
<li>
<a href="https://drive.google.com/file/d/11Epsw6EwL6QO_q90pnuveXy-EypjsxyX/view?usp=drive_link" target="_blank">Constraints from airborne 210Pb observations on aerosol scavenging and lifetime in GEOS-Chem</a> (Bo Zhang, NIA/NASA Langley)
</li>
<li>
<a href="https://drive.google.com/file/d/1l_yXpENOLiLKzDvENHyEjMWySJcaAmGE/view?usp=drive_link" target="_blank">Top-down estimate of aerosol emissions from MODIS and OMI</a> (Jun Wang, U. Iowa)
</li>
<li>
<a href="https://drive.google.com/file/d/1ZuEFODFTKhHUWGjeOHhPuPZsrGFxZKE_/view?usp=drive_link" target="_blank">Two-way ecosystem-atmosphere exchange of VOCs: New observational constraints from PROPHET-AMOS</a> (Dylan Millet, U. Minnesota)
</li>
<li>
<a href="https://drive.google.com/file/d/1SSnBGhTWeQYtqxxR7rS-y-srI99o4HPk/view?usp=drive_link" target="_blank">Assessing the contributions of open ocean and sea ice sources of sea salt aerosol over polar regions with GEOS-Chem</a> (Jiayue Huang, U. Washington)
</li>
</ul><h3>
<a name="TueE" id="TueE"></a>Sources and Sinks (Hongyu Liu, NIA/NASA Langley, Chair)
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1cDvB8stGEmJ161VFeZ-_fxJIovHrJRcx/view?usp=drive_link" target="_blank">Top-down constraints on global N2O emissions at optimal resolution</a> (Kelley Wells, U. Minnesota)
</li>
<li>
<a href="https://drive.google.com/file/d/1378i73wyex3xyGlp5YILK4iIwDj_kqNq/view?usp=drive_link" target="_blank">Adjoint analyses of PM pollution over North China</a> (Lin Zhang, Peking U.)
</li>
<li>
<a href="https://drive.google.com/file/d/1lziAbwL9r6DCfQQERMjH4GZqjOB1bOmG/view?usp=drive_link" target="_blank">Comparing mass balance and adjoint methods for inverse modeling of nitrogen dioxide columns for global nitrogen oxide emissions</a> (Matt Cooper, Dalhousie)
</li>
<li>
<a href="https://drive.google.com/file/d/1tW9EWeW37a_JcMU17aKmDhvIy5M9bjM2/view?usp=drive_link" target="_blank">Global deposition of reactive nitrogen oxides from 1996 to 2014 constrained with satellite observations of NO2 columns</a> (Jeffrey Geddes, Boston U.)
</li>
<li>
<a href="https://drive.google.com/file/d/12ah4RzkQpJo4bIKgD7FrYtdlpVdbVOgP/view?usp=drive_link" target="_blank">Decadal-scale top-down NOx and SO2 emissions from a hybrid 4D-Var / mass balance joint inversion</a> (Zhen Qu, CU – Boulder)
</li>
<li>
<a href="https://drive.google.com/file/d/1Q01N_10jTszSma2lFlXyLHdtHh_RLN-Z/view?usp=drive_link" target="_blank">Global CO and NOx emission estimates using multiple species data assimilation with GEOS-Chem adjoint model</a> (Xuesong Zhang, U. Toronto)
</li>
<li>
<a href="https://drive.google.com/file/d/100J9sDute_t_OqLCqr7oLSqGAM2Gkqk4/view?usp=drive_link" target="_blank">Responses of surface ozone air quality to anthropogenic nitrogen deposition</a> (Yuanhong Zhao, Peking U.)
</li>
</ul><h3>
<a name="TueC" id="TueC"></a>Model Clinics
</h3>
<ul><li>
High-performance GEOS-Chem (GCHP) (Mike Long, Seb Eastham, Jiawei Zhuang, and Lizzie Lundgren, Harvard)
</li>
</ul><h3>
<a name="TueP" id="TueP"></a>Posters
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1GbOanMrjJI1lQiNJ8C67F7Dc0nONZBT5/view?usp=drive_link" target="_blank">Characterizing the Asian Tropopause Aerosol Layer (ATAL) using satellite observations, balloon measurements and a chemical transport model</a> (Duncan Fairlie, NASA Langley)
</li>
<li>
Aerosol Types from Chemistry (CATCh): A new algorithm linking remote sensing and chemistry (Nicholas Meskhidze, North Carolina State)
</li>
<li>
Interpreting measurements of aerosol extinction and mass in North America (Robyn Latimer, Dalhousie)
</li>
<li>
Estimating ground PM2.5 speciation concentrations using MISR retrieved aerosol properties and GEOS-Chem aerosol vertical profiles (Xia Meng, Emory)
</li>
<li>
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)
</li>
<li>
4DVAR Assimilation of CALIOP Level 2 aerosol profiles with the adjoint of GEOS-Chem (Colin Lee, Dalhousie)
</li>
<li>
Long-range transport of black carbon to the Arctic: Tagged tracer simulation using GEOS-Chem (Kohei Ikeda, NEIS)
</li>
<li>
<a href="https://drive.google.com/file/d/1eeCROU0Bp9gSESWWYCKZQuJHvPWOwuz9/view?usp=drive_link" target="_blank">Using ISORROPIA II to predict heterogeneous chlorine chemistry</a> (Jessica Haskins, U. Washington)
</li>
<li>
Processes controlling aerosol formation and growth in the summertime Arctic (Betty Croft, Dalhousie)
</li>
<li>
The role of MSA in particle growth and the aerosol direct and indirect effects (Anna Hodshire, CSU)
</li>
<li>
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)
</li>
<li>
Factors affecting anthropogenic aerosol radiative forcing (Jingxu Wang, Peking U.)
</li>
<li>
<a href="https://drive.google.com/file/d/1f1HtaeyiV4l9n3KNXarUH0ZVBluGAnOQ/view?usp=drive_link" target="_blank">Modeling the optical properties and radiative effect of brown carbon</a> (Xuan Wang, MIT)
</li>
<li>
Errors in using archived meteorological data for chemical transport modeling (Karen Yu, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1dztfl-8gJm5jLmcsALPaf56ZSqLUjam4/view?usp=drive_link" target="_blank">An Eulerian vs. Lagrangian comparison of modeled carbon monoxide in Texas during biomass burning events</a> (Christopher Brodowski, AER)
</li>
<li>
Complement to GEOS-Chem: Lagrangian Transport model FLEXPART reconfigured for GEOS-FP meteorological fields (Kelley Larson, U Washington)
</li>
<li>
<a href="https://drive.google.com/file/d/1f0C6Y7n3awYgxT7UySciNVJE4JoKXamB/view?usp=drive_link" target="_blank">Impacts of precipitation patterns on the wet deposition and lifetime of aerosols</a> (Pei Hou, Michigan Tech)
</li>
<li>
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)
</li>
<li>
Evaluating modeled ammonia in California and the South East US with satellite data (Chantelle Lonsdale, AER)
</li>
<li>
Ammonia emissions from agriculture over China (Youfan Chen, Peking U.)
</li>
<li>
Comparison of GEOS-Chem simulated ammonia concentrations with observations (Arshad Nair, SUNY-Albany)
</li>
<li>
Implications of subgrid dry deposition of NO2 in a global chemical transport model (Brian Boys, Dalhousie)
</li>
<li>
Incorporating updated emissions of NEI 2011 v6.3 into GEOS-Chem (Zitely Tzompa, CSU)
</li>
<li>
Incorporating flexible source tracking into GEOS-Chem (Carmen Lamancusa, U. Connecticut)
</li>
<li>
Neural network prediction of agricultural burning in Southern China and its application to air quality forecasts (Tzung-May Fu. Peking U.)
</li>
<li>
NAFED: a ground-based North American Fire Emission Database for 1980-2014 (Xu Yue, IAP)
</li>
<li>
Comparison of wildfire emissions in GEOS-Chem to ground-based FTIR measurements (Erik Lutsch, U. Toronto)
</li>
<li>
<a href="https://drive.google.com/file/d/1CJMSVz1VMDAsaYSLZoQjihENW2qkM28I/view?usp=drive_link" target="_blank">Development and evaluation of biomass burning vertical injection height scheme in GEOS-Chem</a> (Juliet Zhu, CSU)
</li>
</ul><h2>
Wednesday, May 3
</h2>
<h3>
<a name="WedA" id="WedA"></a>Chemistry-ecosystems-climate (Colette Heald, MIT, Chair)
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1Z09aZU1l2p2jrfLUSR74GRKD6xKsK8dv/view?usp=drive_link" target="_blank"><b>KEYNOTE:</b> Atmospheric composition in the Community Earth System Model (CESM)</a> (Jean- Francois Lamarque, NCAR)
</li>
<li>
<a href="https://drive.google.com/file/d/1goLdQbLlLcG5tfffopW8EVHienlntJEa/view?usp=drive_link" target="_blank">Ozone-CO2-Vegetation coupling in GEOS-Chem: Implications for air quality under climate and land use change</a> (Amos Tai, CUHK)
</li>
<li>
<a href="https://drive.google.com/file/d/1cjOszdzAjFPzD7Xi_iftHLITDy6JwkIp/view?usp=drive_link" target="_blank">Constraining global dry deposition of ozone: Observations and modeling</a> (Sam Silva, MIT)
</li>
<li>
<a href="https://drive.google.com/file/d/18lsQvHRCmBRP9_K1sbFMIRDJAthsLiKH/view?usp=drive_link" target="_blank">Adverse effects of drought on air quality</a> (Yuxuan Wang, U. Houston)
</li>
<li>
<a href="https://drive.google.com/file/d/1P0fgMxWRYSDrFwJbF2D6tGfqYgKpNjJU/view?usp=drive_link" target="_blank">Integrating air quality with afforestation and reforestation efforts</a> (Shiliang Wu, Michigan Tech)
</li>
<li>
<a href="https://drive.google.com/file/d/1Wwj96piUSOkq8fnQMpUNRRgG6NUpwmQ-/view?usp=drive_link" target="_blank">Effects of climate change on transpacific ozone using IGSM-CAM/GEOS-Chem framework</a> (Mingwei Li, MIT)
</li>
<li>
<a href="https://drive.google.com/file/d/1PBmS2AD4NAzcqMFuVHk2Zo2tyf51fK2H/view?usp=drive_link" target="_blank">Influence of 2000-2050 climate change on U.S. particulate matter: Results from statistical models vs. chemistry-climate models</a> (Lu Shen, Harvard)
</li>
</ul><h3>
<a name="WedB" id="WedB"></a>Air Quality and Implications (Jenny Fisher, U. Wollongong, Chair)
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1E2X2bqxegqGEZcuFL8axoGpFAQGWUpxG/view?usp=drive_link" target="_blank">Estimating human health impacts from GEOS-Chem</a> (Irene Dedoussi, MIT)
</li>
<li>
<a href="https://drive.google.com/file/d/1VlbaN107x4-qvQuYbbdqGeokP2MxbXAn/view?usp=drive_link" target="_blank">Globalizing air pollution, climate forcing, and health impacts</a> (Jintai Lin, Peking U.)
</li>
<li>
<a href="https://drive.google.com/file/d/10bq8SPnHv7S5Ni6xb1mDFVy9WtzEaUVF/view?usp=drive_link" target="_blank">ransboundary health impacts of transported global air pollution and international trade</a> (Qiang Zhang, Tsinghua)
</li>
<li>
<a href="https://drive.google.com/file/d/1EIWpAWobI6kVOg9vfyRiaOtt6iENVkjf/view?usp=drive_link" target="_blank">Exploring the impacts of particulate matter and surface ozone on global crop production</a> (Luke Schiferl, MIT)
</li>
<li>
<a href="https://drive.google.com/file/d/1Rgbt-47qUVneL5tJwwvHSb6ADRJmqDN-/view?usp=drive_link" target="_blank">Influence of air pollutant emission controls on the “climate penalty” in the United States</a> (Tao Feng, MIT)
</li>
<li>
<a href="https://drive.google.com/file/d/1TLQKUxMDj7-YajWT6DHyvu2xWvzTxt8K/view?usp=drive_link" target="_blank">Mercury co-benefits of climate policy in China</a> (Katie Mulvaney, MIT)
</li>
</ul><h3>
<a name="WedD" id="WedD"></a>Air Quality Science (Lin Zhang, PKU, Chair)
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1IkowdxBmKUCt1qIRGbOj3c_W5Adw8vvM/view?usp=drive_link" target="_blank">Air pollution over West Africa</a> (Eleanor Morris, U. York)
</li>
<li>
<a href="https://drive.google.com/file/d/1MWAujduOLJvDJsOVp-f7vmFYM3YZryxU/view?usp=drive_link" target="_blank">Preliminary results of the KORUS-AQ campaign</a> (Rokjin Park, Seoul National U.)
</li>
<li>
<a href="https://drive.google.com/file/d/1tuoIC5bHdoXkDFwCM9yxvwiN-jYkNoy4/view?usp=drive_link" target="_blank">Using in situ data to better understand Chinese air pollution events</a> (Jonathan Moch, Harvard)
</li>
<li>
<a href="https://drive.google.com/file/d/1VxUJu8KSNc7eDxc8I_JPDbQyOeX1UwmP/view?usp=drive_link" target="_blank">Chemical composition of ambient PM2.5 over China and relationships to precursor emissions during 2005–2012 (Guannan Geng, Emory)</a>
</li>
<li>
<a href="https://drive.google.com/file/d/1I_FwTNerfhiC24frWSpt0nWVULjW2far/view?usp=drive_link" target="_blank">Foreign and domestic contributions to springtime ozone pollution over China</a> (Ruijing Ni, Peking U.)
</li>
<li>
<a href="https://drive.google.com/file/d/1z0B6akc-towWmOFsi68ygPrMrvzsOtHb/view?usp=drive_link" target="_blank">Evaluating a space-based indicator of surface ozone-NOx-VOC sensitivity over mid-latitude source regions and application to decadal trends</a> (Xiaomeng Jin, Columbia)
</li>
<li>
<a href="https://drive.google.com/file/d/1Pk0MX724NYJkT9ZPEQpMk-42Y-0vo5YN/view?usp=drive_link" target="_blank">Meteorological drivers of surface ozone biases in the Southeast US</a> (Katie Travis, Harvard)
</li>
</ul><h3>
<a name="WedC" id="WedC"></a>Model Clinics
</h3>
<ul><li>
GEOS-Chem as a module for Earth System Models (Mike Long and Seb Eastham, Harvard)
</li>
</ul><h3>
<a name="WedP" id="WedP"></a>Posters
</h3>
<ul><li>
<a href="https://drive.google.com/file/d/1TgYih-NESbYvlQkZfY8VBjY5B7runIp_/view?usp=drive_link" target="_blank">Weather conditions conducive to Beijing severe haze more frequent under climate change</a> (Ke Li, IAP)
</li>
<li>
<a href="https://drive.google.com/file/d/1VCNJwWaHXPYPOjVuJjcn6lXHEycDg9mH/view?usp=drive_link" target="_blank">Effectiveness of maize-soybean intercropping on securing food production and air quality in China</a> (Ka Ming Fung and Amos Tai, CUHK)
</li>
<li>
Influence of the West Pacific subtropical high on surface ozone day to day variability in summertime over Eastern China (Zijian Zhao, Tsinghua)
</li>
<li>
Impacts of changes in climate and vegetation on wildfire emissions (Aditya Kumar, Michigan Tech)
</li>
<li>
The impact of historical land use change from 1850 to 2000 on particulate matter and ozone (Colette Heald, MIT)
</li>
<li>
Chemical and structural uncertainties within CESM CAM-Chem and GEOS-Chem: Ozone, PM2.5, and human health (Benjamin Brown-Steiner, MIT)
</li>
<li>
Multi-decadal trends in aerosol radiative forcing over the Arctic: Contribution of changes in anthropogenic aerosol to Arctic warming since 1980 (Loretta Mickley, Harvard)
</li>
<li>
What controls the
</li>
<li>
Adjoint analysis of the climate and human health impacts of transient shifts in anthropogenic activity in China (Forrest Lacey, CU - Boulder)
</li>
<li>
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)
</li>
<li>
Contributions of natural variability to uncertainty in the efficacy of health and environmental policy (Daniel Rothenberg, MIT)
</li>
<li>
Health impacts of excess NOx emissions in Europe (Guillaume Chossiere, MIT)
</li>
<li>
Air quality and health co-benefit in global coal-fired power sector (Dan Tong, Tsinghua)
</li>
<li>
Implications of climate variability and change for the effectiveness of mercury policy (Amanda Giang, MIT)
</li>
<li>
<a href="https://drive.google.com/file/d/1eLr05t17DOi8odjGdk_fe2zaIZvIsJRj/view?usp=drive_link" target="_blank">A new mechanism for atmospheric mercury redox chemistry: Implications for the global mercury budget</a> (Hannah Horowitz, Harvard)
</li>
<li>
Quantifying sources and pathways of mercury deposition and exposure in Northern Maine, USA using integrated modeling (Helene Angot, MIT)
</li>
<li>
Using GEOS-Chem Hg simulations to help diagnose and predict fisheries health and sustainability (Colin Thackray, Harvard)
</li>
<li>
Updated terrestrial mercury simulation in GEOS-Chem (Rebecca Stern, Harvard)
</li>
<li>
Modeling PAHs over the UK and Europe (Peter Ivatt, U. York)
</li>
<li>
Using GEOS-Chem in the imputation of missing ground PM2.5 estimates due to cloud cover (Jessica Belle, Emory)
</li>
<li>
Evaluation and intercomparison of air quality forecasts over Korea during the KORUS-AQ campaign (Seungun Lee, Seoul National U.)
</li>
<li>
Influence of agricultural fires on urban air pollution in Delhi, India (Dan Cusworth, Harvard)
</li>
<li>
Secondary organic aerosol in the Beijing urban area (Matthew Jolleys, U. Edinburgh)
</li>
<li>
Simulation of severe winter haze in China over 1980-2014 (Ruijun Dang, IAP)
</li>
<li>
Comparison between the simulations of fine particulate matter during APEC period using WRF-CHEM and GEOS-Chem (Mi Zhou, Peking U.)
</li>
<li>
The formation mechanisms of PM2.5 by quantifying the formation pathways of sulfate in China (Jingyuan Shao, U. Washington)
</li>
<li>
Modelling UK and European air quality with GEOS-Chem (Tim Garstin, U York)
</li>
<li>
GEOS-Chem boundary conditions for WRF-chem (Chenghao Tan, U. Iowa)
</li>
<li>
Impacts of Central American fires on ozone air quality in Texas (Sing-Chun Wang, U. Houston)
</li>
</ul><h2>
Thursday, May 4
</h2>
<h3>
<a name="ThuA" id="ThuA"></a>Future Directions (Randall Martin, Dalhousie, Chair)
</h3>
<ul><li>
Future directions for GEOS-Chem software engineering (Seb Eastham, Mike Long, Bob Yantosca, Harvard, discussion leads)
</li>
<li>
Future directions for the GEOS-Chem adjoint (Daven Henze, CU-Boulder and Jun Wang, U. Iowa, discussion leads)
</li>
<li>
Poster introduction awards (Mat Evans, U. York)
</li>
<li>
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)
</li>
</ul>
</div>
</div>
</div>
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