(Only presenter's name is given; please refer to abstract for complete author listing.)
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| 7:30 | Registration Desk Opens |
| Session 1 | Welcome and Keynote Address — Chaired by Gary Morris |
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| 08:30 - 08:45 | Welcome and Conference Overview Gary Morris (NOAA Global Monitoring Laboratory (GML), Boulder, CO) |
| 08:45 - 09:00 | 2023 GMAC Opening Remarks Vanda Grubišić (NOAA Global Monitoring Laboratory (GML), Boulder, CO) |
| 09:00 - 10:00 | Keynote Address: The 2022 Hunga Tonga-Hunga Ha’apai Eruption: NOAA’s Rapid Response Karen Rosenlof (NOAA Chemical Sciences Laboratory (CSL), Boulder, CO) |
| 10:00 - 10:30 | Break |
| Session 2 | Halocarbons and Upper Atmosphere Observations 1 — Chaired by Isaac Vimont & Nazrul Islam |
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| 10:30 - 10:45 | The Evolution of SF6 as an Age of Air Tracer Eric Ray (NOAA Chemical Sciences Laboratory (CSL), Boulder, CO) |
| 10:45 - 11:00 | Emissions of CF4 (PFC-14) and C2F6 (PFC-116) in China Inferred from a Chinese Atmospheric Observation Network Minde An (Massachusetts Institute of Technology, Center for Global Change Science, Cambridge, MA) |
| 11:00 - 11:15 | Halocarbons Observations in the Himalaya Michela Maione (University of Urbino, Department of Basic Sciences and Foundations, Urbino, Italy) |
| 11:15 - 11:30 | Halogen-containing Compounds in the Lower Stratosphere during the North American Summer Monsoon Season Eric Hintsa (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO) |
| 11:30 - 11:45 | Investigating Trace Gases other Than CH3CCl3 for Supplying Useful Information About Atmospheric Hydroxyl Radical Abundance and Variability on Broad Scales. Steve Montzka (NOAA Global Monitoring Laboratory (GML), Boulder, CO) |
| 11:45 - 12:00 | Monitoring Lower Stratospheric Composition from Space using Reanalysis of NASA Satellite Observations in the EOS and Post-EOS Era Steven Pawson (NASA Goddard Space Flight Center (GSFC), Greenbelt, MD) |
| 12:00 - 14:00 | Lunch on your own |
| 14:00 - 15:30 | Poster Session (All Topics) |
| 15:30 - 16:00 | Break |
| Session 3 | Carbon Cycle and Greenhouse Gases 1 — Chaired by John Miller & Youmi Oh |
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| 16:00 - 16:15 | CarbonTracker Long-window for Multi-tracer Data Assimilation Joram Hooghiem (Wageningen University, Department of Meteorology and Air Quality, Wageningen, The Netherlands) |
| 16:15 - 16:30 | CarbonTracker-CH4 2023: An Isotope-constrained Global Methane Inversion Lori Bruhwiler (NOAA Global Monitoring Laboratory (GML), Boulder, CO) |
| 16:30 - 16:45 | Development of the ECCC’s National Scale Carbon Flux Inversion Modelling System Jinwoong Kim (Environment and Climate Change Canada (ECCC), Toronto, Ontario, Canada) |
| 16:45 - 17:00 | A Zonally Averaged Global Transport model for Long-lived Trace Gases Luke Western (University of Bristol, School of Chemistry, Bristol, United Kingdom) |
| 17:00 - 17:15 | Unexpected Seasonal Cycle of US Anthropogenic Methane Emissions Lei Hu (NOAA Global Monitoring Laboratory (GML), Boulder, CO) |
| 17:15 - 17:30 | Improving Regional Carbon Flux Quantifications with CO2 Observations from Satellite, Surface, and Aircraft Junjie Liu (NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA) |
| Session 4 | Mauna Loa Observatory Update — Chaired by Brian Vasel |
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| 17:30 - 18:00 | Mauna Loa Observatory Updates Brian Vasel (NOAA Global Monitoring Laboratory (GML), Boulder, CO) |
| 18:00 | Dinner on your own |