Tuesday, May 21, 2019 Agenda

(Only presenter's name is given; please refer to abstract for complete author listing.)
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07:30 Registration Opens in GC-402 - lunch orders and posters collected at registration table
07:45 - 08:30 Morning Snacks - coffee, tea, fruit, bagels and donuts served
Session 1 Welcome, Keynote Address & Highlights — Chaired by James H. Butler
08:30 - 08:45 Welcome and Conference Overview

James H. Butler (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)

08:45 - 09:15 Keynote Address: Global Change Research: A Historical Perspective and Future Challenges

Guy Brasseur (National Center for Atmospheric Research (NCAR), Distinguished Scholar, Boulder, CO)

09:15 - 09:30 On the Unexpected Increase in CFC-11 Emissions, Are They Still on the Rise?

Stephen A. Montzka (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)

09:30 - 09:45 Spatial/Temporal Patterns in the Atmosphere: The Carbon Cycle Revealed

Pieter Tans (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)

09:45 - 10:00 Geoengineering for Climate Change: Nature Has Already Demonstrated the Process and Effects

Russ Schnell (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)

10:00 - 10:30 Morning Break & Group Photo on the Stage
Session 2 Global Carbon Cycle Observations and Monitoring — Chaired by Arlyn Andrews
10:30 - 10:45 First IAGOS-CORE and IAGOS-CARIBIC Greenhouse Gas Observations from Commercial Airliners

Christoph Gerbig (Max Planck Institute for Biogeochemistry (MPI-BGC), Jena, Germany, )

10:45 - 11:00 The SIO O2 Program: Constraints on Long-term Carbon Cycle Changes Through Measurements of Atmospheric Oxygen

Eric Morgan (Scripps Institution of Oceanography, University of California at San Diego, La Jolla, CA)

11:00 - 11:15 Regional Attribution of CO2 Seasonal Amplification in Northern Hemisphere using a Tagged Tracer Transport Model

Xin Lin (University of Michigan, Ann Arbor, MI)

11:15 - 11:30 The Prospects for Top-down Atmospheric Flux Inventories for CO2 and CH4

David Crisp (NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA)

11:30 - 11:45 Patterns and Controls on Trace Gas Fluxes of CO2 and/or CH4 in Marine and Terrestrial Habitats from Barrow, Alaska to Pago Pago, American Samoa

Walter Oechel (San Diego State University, Global Change Research Group, San Diego, CA)

11:45 - 12:00 Simulating International Drought Experiment Field Observations Using The Community Land Model

Timothy W. Hilton (University of California at Merced, Merced, CA)

12:00 - 13:00 Catered Lunch - Outreach Classroom GB-124 (pre-payment of $12.00 at registration)
Session 3 Global Methane Investigation — Chaired by Lori Bruhwiler
13:00 - 13:15 Recent Increases in the Burden of Atmospheric CH4: Implications for the Paris Agreement

Edward Dlugokencky (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)

13:15 - 13:30 Quantification of Methane Emissions and the Role of Satellites Moving from Global to Local Scales

Sander Houweling (Vrije Universiteit Amsterdam, Department of Earth Sciences, Amsterdam, The Netherlands)

13:30 - 13:45 Recent Acceleration of Methane Growth Rate: Leading Contributions from Tropical Wetlands and China

Yi Yin (California Institute of Technology, Pasadena, CA)

13:45 - 14:00 High Affinity Methanotrophs Are an Important Overlooked Methane Sink in Arctic and Global Methane Budget

Youmi Oh (Purdue University, West Lafayette, IN)

14:00 - 14:15 Investigation of the Global Methane Budget Based on Improved Measurement Datasets and Prior Emission Information

Xin Lan (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)

14:15 - 14:30 Ground-truth Validation of VIIRS Nightfire for Gas Flaring Estimates

Mikhail Zhizhin (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)

14:30 - 15:00 Afternoon Break
Session 4 Ozone and Water Vapor Trends and Monitoring — Chaired by Bryan Johnson
15:00 - 15:15 NOAA Ozonesonde Sites from the Tropics to Midlatitudes: Ozone Variability, Links to Meteorological Conditions, and Validation of NASA Chemical Models

Ryan M. Stauffer (Universities Space Research Association (USRA) - NASA Postdoctoral Program (NPP), Columbia, MD)

15:15 - 15:30 OCTAV-UTLS (Observed Composition Trends and Variability in the UTLS) SPARC Activity - Jet-relevant Data Analyses of NOAA Ozonesonde Records

Irina Petropavlovskikh (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)

15:30 - 15:45 Drivers of Variations in the Vertical Profile of Ozone in the Greenland Sector of the Arctic

Von P. Walden (Laboratory of Atmospheric Research, Department of Civil and Environmental Engineering, Washington State University, Pullman, WA)

15:45 - 16:00 Twenty Years of Observed Tropospheric Ozone Increases Across the Northern Hemisphere

Audrey Gaudel (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)

16:00 - 16:15 The Alpha Jet Atmospheric EXperiment (AJAX): Past, Present, and Future Airborne Measurements

Emma L. Yates (NASA Ames Research Center, Atmospheric Science Branch, Moffett Field, CA)

16:15 - 16:30 Observational-based Assessment of Contributions to Southwest U.S. Maximum Ozone Concentrations

David D. Parrish (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)

Session 5 Special Science on a Sphere Presentation — Chaired by Shilpi Gupta
16:30 - 16:45 HOLOSCENES / Little Boxes Presented on Science On a Sphere®

Marda Kirn (EcoArts Connections, Boulder, CO)

16:30 - 19:00 Poster Session (DSRC Cafeteria) with appetizers and refreshments