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2014 NOAA ESRL GLOBAL MONITORING ANNUAL CONFERENCE

David Skaggs Research Center, Room GC-402
325 Broadway, Boulder, Colorado 80305
May 20 and May 21, 2014

Tuesday, May 20, 2014 AGENDA

(Only presenter's name is given; please refer to abstract for complete author listing.)
(Click on presentation title to view abstract.)

• 07:00 Registration Opens in GC-402 - lunch orders and posters collected at registration table

• 07:30 - 08:30 Morning Snacks - Coffee, tea, fruit, bagels and donuts served

Session 1 • Welcome, Keynote Address & Highlights — Chaired by James Butler Slides
08:30 - 08:45 Welcome and Conference Overview
  James H. Butler (NOAA Earth System Research Laboratory, Boulder, CO)
08:45 - 09:15 Atmospheric Signatures of Changing Global Biogeochemistry
  Ralph Keeling (Scripps Institution of Oceanography, La Jolla, CA)
09:15 - 09:30 The Earth Is Round:  Some Elements of a Sustainable Society
  Pieter Tans (NOAA Earth System Research Laboratory, Boulder, CO)
09:30 - 09:45 Continued Permafrost Warming on the Arctic Slope of Alaska, 2014 Update
  Gary Clow (United States Geological Survey (USGS), Boulder, CO)
09:45 - 10:00 International Arctic Systems for Observing the Atmosphere (IASOA) – A Portal for Discovery, a Platform for Pan-Arctic Collaboration
  Sandra Starkweather (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)

• 10:00 - 10:30 Morning Break

Session 2 • Carbon Cycle & Greenhouse Gases - Measurements — Chaired by Arlyn Andrews Slides
10:30 - 10:45 Detection and Quantification of Urban Greenhouse Gas Emissions:  Ground-based Results of the INdianapolis FLUX (INFLUX) Experiment
  Natasha Miles (The Pennsylvania State University, University Park, PA)
10:45 - 11:00 Partitioning of Urban Fossil Fuel CO2 Emissions by Source Sector:  Results from the INdianapolis FLUX (INFLUX) Experiment
  Jocelyn Turnbull (GNS Science, New Zealand, and Cooperative Institute for Reseach in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
11:00 - 11:15 Amazon Basin-wide Fluxes of CO2 and CH4 from Aircraft Vertical Profiles
  John B. Miller (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
11:15 - 11:30 Seasonality and Trends of Atmospheric Transport Events to Summit, Greenland Derived from Long-term Non-methane Hydrocarbon Observations
  Chelsea Thompson (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
11:30 - 11:45 Historic European Non-CO2 Atmospheric Greenhouse Gas Records:  Harmonization and Uncertainty Assessment
  Samuel Hammer (University of Heidelberg, Institut für Umweltphysik, Heidelberg, Germany)
11:45 - 12:00 A Half-century Record of State-by-State Changes in Fossil Fuel Carbon Emissions and Corresponding Isotope Ratios in the United States
  T.J. Blasing (Independent Scholar, Knoxville, TN)
Session 3 • Carbon Cycle & Greenhouse Gases - Satellites & Modeling — Chaired by Ed Dlugokencky Slides
13:00 - 13:15 The Ability of Satellite-based CO2 Measurements to Constrain Carbon Cycle Science:  From Greenhouse Gases (GHG) Observing SATellite (GOSAT) to Orbiting Carbon Obervatory (OCO-2)
  Christopher O'Dell (Colorado State University, Department of Atmospheric Science, Fort Collins, CO)
13:15 - 13:30 Launch and Early Operations of the National Aeronautics & Space Administration (NASA) Orbiting Carbon Observatory-2
  David Crisp (California Institute of Technology, Jet Propulsion Laboratory, Pasadena, CA)
13:30 - 13:45 Validation of Total Carbon Column Observing Network (TCCON) Observations of CO2/CH4/CO at Sodankylä Using AirCore
  Huilin Chen (Centre for Isotope Research, University of Groningen, Groningen, Netherlands)
13:45 - 14:00 Constraining Fossil Fuel CO2 Emissions with Joint Assimilation of Atmospheric CO2 and 14CO2 Measurements
  Sourish Basu (NRC Post-Doc & NOAA Earth System Research Laboratory, Boulder, CO)
14:00 - 14:15 CarbonTracker-Lagrange:  A New Tool for Regional- to Continental-scale Flux Estimation
  Arlyn E. Andrews (NOAA Earth System Research Laboratory, Boulder, CO)
14:15 - 14:30 Estimation of the Permafrost Carbon Feedback Using The SiBCASA Terrestrial Carbon Cycle Model
  Elchin Jafarov (National Snow and Ice Data Center (NSIDC), Boulder, CO)
14:30 - 14:45 Evaluating Models of Wetland CH4 Emissions:  How Believable Are Simulations of Future Emissions?
  Lori Bruhwiler (NOAA Earth System Research Laboratory, Boulder, CO)

• 14:45 - 15:15 Afternoon Break

Session 4 • Aerosols — Chaired by Elisabeth Andrews Slides
15:15 - 15:30 Comparison of Aerosol Absorption Optical Depth from Remote-sensing and In Situ Measurements
  John A. Ogren (NOAA Earth System Research Laboratory, Boulder, CO)
15:30 - 15:45 Constraining Global Models of Black Carbon (BC) Aerosol with Pole-to-Pole Observations
  Joshua Schwarz (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
15:45 - 16:00 Can We Characterize Aerosol Type Using Aerosol Optical Properties?
  Lauren Schmeisser (Universiteit van Amsterdam & NOAA Earth System Research Laboratory, Boulder, CO)
16:00 - 16:15 A Small, Sensitive, Light-weight, and Disposable Aerosol Spectrometer for Balloon and Unmanned Aerial Vehicle Applications
  Hagen Telg (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
16:15 - 16:30 Biomass Burning at Cape Grim:  Using Modeling to Explore a Possible Urban Influence on Plume Photochemistry and Composition
  Sarah J. Lawson (Commonwealth Scientific Industrial Research Organization (CSIRO), Marine and Atmospheric Research, Aspendale, Australia)
16:30 - 16:45 Aerosols at Mauna Loa Observatory (MLO) – Spring 2001, Versus Spring and Fall, 2011
  Thomas A. Cahill (University of California at Davis, Davis, CA)

Wednesday, May 21, 2014 AGENDA

(Only presenter's name is given; please refer to abstract for complete author listing.)
(Click on presentation title to view abstract.)
(Click on pdf icon under 'Slides' column to view presentation slides.)

• 07:00 - 08:30 Registration & Morning Snacks - Coffee, tea, fruit, bagels and donuts served

Session 5 • Ozone & Water Vapor — Chaired by Samuel Oltmans Slides
08:30 - 08:45 The Alpha Jet Atmospheric EXperiment (AJAX):  Three Years of Airborne Ozone and Greenhouse Gas Measurements Over California and Nevada
  Emma L. Yates (National Aeronautics & Space Administration (NASA) Ames Research Center, Atmospheric Science Branch, Moffett Field, CA)
08:45 - 09:00 An Overview of the 2013 Las Vegas Ozone Study (LVOS)
  Andrew Langford (NOAA Earth System Research Laboratory, Boulder, CO)
09:00 - 09:15 Source Distribution of Elevated Ozone in the Northern Colorado Front Range
  Detlev Helmig (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
09:15 - 09:30 Past Changes in the Vertical Distribution of Ozone:  The SI2N Activity and Its Outcome
  Karen H. Rosenlof (NOAA Earth System Research Laboratory, Boulder, CO)
09:30 - 09:45 The Pandora Spectrometer System:  O3 and Multiple Other Species Measured Using a Small, Inexpensive Package
  Irina Petropavlovskikh (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
09:45 - 10:00 Observed Global and Regional Variation in Earth's Water Vapor:  Focus on the Weather-climate Interface
  John Forsythe (Colorado State University, Cooperative Institute for Research in the Atmosphere, Fort Collins, CO)
10:00 - 10:15 Validation of Aura Microwave Limb Sounder Stratospheric Water Vapor Measurements by the NOAA Frost Point Hygrometer
  Dale Hurst (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)

• 10:15 - 10:45 Morning Break

Session 6 • Radiation — Chaired by Kathleen Lantz Slides
10:45 - 11:00 The National Ecological Observatory Network (NEON):  Overview and Strategies for Radiation Measurements Across the Continent
  Jeffrey Taylor (National Ecological Observatory Network (NEON), Boulder, CO)
11:00 - 11:15 Evidence for the Long-term Stability of the Eppley Model PIR for Measurements of Broadband Infrared Measurements
  Joseph Michalsky (NOAA Earth System Research Laboratory, Boulder, CO)
11:15 - 11:30 Results of Second Outdoor Comparison Between Absolute Cavity Pyrgeometer (ACP) and InfRared Integrating Sphere (IRIS) Radiometer at Physikalisch-Metorologisches Observatoruim Davos (PMOD)
  Ibrahim Reda (National Renewable Energy Laboratory (NREL), Golden, CO)
11:30 - 11:45 Radiative Forcing of a Small-scale Wildfire Smoke Plume at the Surface, Atmosphere, and Top of Atmosphere (TOA) from Surface and Satellite Observations
  John A. Augustine (NOAA Earth System Research Laboratory, Boulder, CO)
Session 7 • Halocarbons & Non-Methane Hydrocarbons — Chaired by James Elkins Slides
13:00 - 13:15 Recent Trends in Global Concentrations and Emissions of Hydrochlorofluorocarbons (HCFCs) and Hydrofluorocarbons (HFCs)
  Steve Montzka (NOAA Earth System Research Laboratory, Boulder, CO)
13:15 - 13:30 Atmosphere-based “Top-down” Emission Estimates of 1,1,1,2-Tetrafluoroethane (HFC-134a) and Chlorodifluoromethane (HCFC-22) for the United States (U.S.) over Multiple Years
  Lei Hu (NRC Post-Doc & NOAA Earth System Research Laboratory, Boulder, CO)
13:30 - 13:45 European Emissions of Chlorodifluoromethane (HCFC-22) Based on High Frequency Atmospheric Measurements and a Bayesian Inversion Method
  Michela Maione (University of Urbino, Department of Basic Sciences and Foundations, Urbino, Italy)
13:45 - 14:00 Measurements of Bromine Oxide, Iodine Oxide and Oxygenated Hydrocarbons in the Tropical Free Troposphere from Research Aircraft and Mountaintops
  Rainer Volkamer (Cooperative Institute for Research in Environmental Sciences (CIRES), Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO)
14:00 - 14:15 A Seven-year (2006-2013) Record of NonMethane HydroCarbons (NMHC) in the Subtropical Marine Boundary Layer at the Cape Verde Atmospheric Observatory
  Shalini Punjabi (The University of York, Department of Chemistry, Heslington, York, United Kingdom)
14:15 - 14:30 Real-time Quantification and Geo-spatial Mapping of Volatile Organic Compounds (VOC) and SemiVolatile Organic Compounds (SVOC) by Tandem Mass Spectrometry
  Ryan Bell (Applied Environmental Research Laboratories, Nanaimo, British Columbia, Canada)

• 14:30 - 15:00 Afternoon Break

Session 8 • Oil & Gas Fields — Chaired by Gabrielle Petron Slides
15:00 - 15:15 Development of a Calibration for Estimating Flared Gas Volume for Gas Flaring from Nighttime Visible Infrared Imaging Radiometer Suite (VIIRS) Data
  Chris Elvidge (NOAA National Geophysical Data Center, Earth Observation Group, Boulder, CO)
15:15 - 15:30 Methane Emissions Estimates from Oil and Natural Gas Production Using Atmospheric Measurements
  Anna Karion (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
15:30 - 15:45 Quantifying Relative Contribution of Natural Gas Fugitive Emissions to Total Methane Emissions in CO, UT, and TX Using Mobile Isotopic Methane Analysis Based on Cavity RingDown Spectroscopy (CRDS)
  Chris W. Rella (Picarro Inc., Santa Clara, CA)
15:45 - 16:00 Mapping Sources of Methane Emissions Over the Barnett Shale in Texas
  Bill Hirst (Shell Global Solutions International BV, The Hague, The Netherlands)
16:00 - 16:15 Measurements and Modeling of Greenhouse Gases and the Planetary Boundary Layer (PBL) for the Boston Metro Area and the Northeastern Megalopolis
  Philip DeCola (Sigma Space Corporation, Lanham, MD)
16:15 - 16:30 Modeling of Atmospheric Methane and Ozone in the Uintah Basin, UT:  The Role of Oil and Gas Emissions, Chemistry and Transport
  Ravan Ahmadov (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
16:30 - 16:45 Anatomy of Wintertime Photochemical Ozone Production:  Uintah Basin, UT, 2013
  Russ C. Schnell (NOAA Earth System Research Laboratory, Boulder, CO)

Poster Session Tuesday, May 20, 2014 AGENDA

(Only presenter's name is given; please refer to abstract for complete author listing.)
(Click on presentation title to view abstract.)
(Click on pdf icon under 'Slides' column to view presentation slides.)

• International Stations & Partners Slides
P-1 Halley – A Recently Established Global Atmospheric Watch (GAW) Global Atmospheric Research Station in Antarctica - Preliminary Results from Greenhouse Gas Measurements
  Neil Brough (British Antarctic Survey, Cambridge, United Kingdom)
P-2 Experimental Studies of Carbon Monoxide Based on Measurements in the Antarctic (Novolazarevskaya Station)
  Felix Kashin (Federal State Budgetary Institution Research and Production Association “Typhoon", Obninsk, Russia)
P-3 The Dr. Neil Trivett Global Atmosphere Watch (GAW) Observatory at Alert, Nunavut:  Program Highlights from a Decade of Collaborative Atmospheric Research
  Andrew Platt (Environment Canada, Climate Research Division, Atmospheric Science Technology Directorate, Science Technology Branch, Toronto, Ontario, Canada)
P-4 Comparison of NOAA Near-surface Temperatures and MODerate-resolution Imaging Spectroradiometer (MODIS) Ice-Surface Temperatures (IST) at Summit, Greenland
  Thomas Mefford (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-5 Recent Measurements from the Cape Verde Atmospheric Observatory (CVAO)
  Shalini Punjabi (University of York, York, United Kingdom)
P-6 Long-term Measurements of Solar Radiation and Aerosol Optical Depth at Mt. Lulin (2,862m) in East Asia
  Sheng-Hsiang Wang (National Central University, Department of Atmospheric Sciences, Chung-Li, Taiwan)
P-7 CO2, CH4, and Stable Isotopes at Lulin and Dongsha Island, Taiwan
  Chang-Feng Ou-Yang (National Central University, Department of Atmospheric Sciences, Chung-Li, Taiwan)
• Radiation Slides
P-8 A Miniature Upward-looking Radiometer for Balloon and Unmanned Aerial Vehicle (UAV) Use
  Ru-Shan Gao (NOAA Earth System Research Laboratory, Boulder, CO)
P-9 Update of the Mauna Loa Clear-sky Atmospheric Solar Transmission 1958 – 2013
  Kathleen Lantz (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-10 Brewer 131 Calibration at 4-corners New Mexico Environment Department Site: Measurement and Calibration Issues
  Patrick Disterhoft (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-11 Improved Quality Assurance Procedures for the Antarctic and U.S. Ultraviolet Monitoring Program
  Patrick Disterhoft (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
• Halocarbons Slides
P-12 NOAA Global Monitoring Division SkyWisp
  Fred L. Moore (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-13 Recent Results from the Airborne Tropical Tropopause EXperiment (ATTREX) Over the Western Tropical Pacific
  Eric Hintsa (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-14 How Much Can We Learn About Nitrous Oxide Emissions from Background Sites and Simple Box Models?
  James W. Elkins (NOAA Earth System Research Laboratory, Boulder, CO)
P-15 Global Measurement of Nitrous Oxide and Its Stable Isotopes Using Cavity Ring-down Spectroscopy
  Amy Steiker (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
P-16 Improvement and Additions to the Halocarbons & Other Atmospheric Trace Species Group (HATS) Combined Data Sets
  Geoff Dutton (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-17 Atmosphere-based Estimates of Non-CO2 Greenhouse Gas Emissions for the U.S. Derived from 14CO2
  Steve Montzka (NOAA Earth System Research Laboratory, Boulder, CO)
• Carbon Cycle & Greenhouse Gases Slides
P-18 What We Learn from Updates of NOAA’s Annual Greenhouse Gas Index (AGGI)
  James H. Butler (NOAA Earth System Research Laboratory, Boulder, CO)
P-19 Environment Canada's Greenhouse Gases Measurement Program - Summary of Progress to 2014
  Doug Worthy (Environment Canada, Toronto, Ontario, Canada)
P-20 A New Reference Scale for Measurements of Carbon Monoxide in the Atmosphere
  Paul C. Novelli (NOAA Earth System Research Laboratory, Boulder, CO)
P-21 Meteorological Controls on the Diurnal Variability of Carbon Monoxide at Pinnacles, an East Coast Mountaintop Site in the CarbonTracker Observational Network
  Stephan F. J. De Wekker (University of Virginia, Charlottesville, VA)
P-22 A Central Facility for Greenhouse Gas Analyses Within the Integrated Carbon Observation System (ICOS) Research Infrastructure
  Daniel Rzesanke (Max Planck Institute (MPI) for Biogeochemistry, ICOS Flask & Calibration Laboratory (FCL) , Jena, Germany)
P-23 Regional Carbon Cycle and Atmospheric Inversions in the Southeastern United States (U.S.) – Optimizing an Observational Network
  Scott Richardson (The Pennsylvania State University, University Park, PA)
P-24 Bayesian Optimization of the Net Ecosystem Exchange (NEE) in Oregon Using a New CO2 Observation Tower Network, Transport Modeling, and the Community Land Model
  Andres Schmidt (Oregon State University, Corvallis, OR)
P-25 Quantification of Transport Errors in Regional CO2 Inversions Using a Physics-based Ensemble of Weather Research & Forecast (WRF)-Chem Simulations
  Liza I. Diaz Isaac (The Pennsylvania State University, Department of Meteorology, University Park, PA)
P-26 Comparing Modeled Column-average CO2 to Greenhouse Gases Observing SATellite (GOSAT) Atmospheric CO2 Observations from Space (ACOS) 3.4 XCO2 Product
  Andrew Schuh (Colorado State University, Cooperative Institute for Research in the Atmosphere (CIRA), Fort Collins, CO)
P-27 Improving CO2 Air-sea Fluxes by Combining O2 and CO2 Data
  Laure Resplandy (Scripps Institution of Oceanography, La Jolla, CA)
P-28 Estimating Fire Emissions Using Visible Infrared Imaging Radiometer Suite (VIIRS) Nightfire Data and the Fire INventory from NCAR (FINN)
  Tom Oda (Colorado State University, Cooperative Institute for Research in the Atmosphere (CIRA), Fort Collins, CO)
P-29 Evidence of Causality Between the Atmospheric Concentration Levels of Carbon Dioxide and Temperature
  Kevin F. Forbes (The Catholic University of America, Washington, DC)
P-30 As Methane Concentration Goes Up, Stable Isotopes of Methane Go Down:  13C Implicates a Microbial Source Across Latitudinal Gradients
  Sylvia Englund Michel (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
P-31 Comparison of In Situ and Discrete Sample Methane Monitoring at Summit, Greenland
  Reed M. Terrell (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
• Oil & Gas Fields Slides
P-32 Top-down Constraint on Hydrocarbon Emissions in the Denver-Julesburg Oil and Natural Gas Basin
  Gabrielle Petron (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-33 Initial Results of a Natural Gas Methane Emissions Survey in California's Southern San Joaquin Valley
  Marc L. Fischer (Lawrence Berkeley National Labortatory, Environmental Energy Technologies Division, Berkeley, CA)
P-34 Effect of Oil and Gas Development on Atmospheric Levels of Hydrocarbons and Tropospheric Ozone 
  So-Yun Kim (Fairview High School, Boulder, CO)
• Networks & Data Management Slides
P-35 Bridging the Work of Field Scientists and the Needs of Data Re-users
  Antonia Rosati (National Snow and Ice Data Center (NSIDC), Boulder, CO)
P-36 The National Ecological Observatory Network (NEON):  Overview and Strategies for Managing Thousands of Simultaneous Measurements Across the Continent
  Jeffrey Taylor (National Ecological Observatory Network (NEON), Boulder, CO)
P-37 The National Ecological Observatory Network (NEON) Mobile Deployment Platform (MDP):  A Flexible Community Resource for Ecological Research
  Michael SanClements (National Ecological Observatory Network (NEON), Boulder, CO)
P-38 Global Emissions InitiAtive's (GEIA) Vision for Improved Emissions Information
  Gregory J. Frost (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
• Aerosols Slides
P-39 Monitoring Aerosol Optical Depth During the Arctic Night:  Development of a Lunar Photometer for Use at the NOAA Barrow Observatory
  James Wendell (NOAA Earth System Research Laboratory, Boulder, CO)
P-40 Results of Aerosol Hygroscopicity During The Two-Column Aerosol Project (TCAP) Campaign in the Frame of the NOAA Network
  John A. Ogren (NOAA Earth System Research Laboratory, Boulder, CO)
P-41 Black Carbon in the Arctic:  In the Arctic Report Card
  Sangeeta Sharma (Environment Canada, Climate Research Division, Atmospheric Science Technology Directorate/Science & Technology Branch, Toronto, Ontario, Canada)
• Ozone & Water Vapor Slides
P-42 Observational Evidence for Incomplete Dehydration in the Tropical Tropopause Layer
  Andrew Rollins (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-43 The Stratospheric Water and OzOne Satellite Homogenized (SWOOSH) Data Set
  Sean Davis (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-44 Towards a Combined Infrared Atmospheric Sounding Instrument (IASI)/Tropospheric Emission Spectrometer (TES) Record of Ozone:  Validation and First Results
  Hilke Oetjen (Joint Institute for Regional Earth System Science and Engineering (JIFRESSE) UCLA/Jet Propulsion Laboratory (JPL), Los Angeles, CA)
P-45 South Pole Ozonesonde Measurements During the 2013 Ozone Hole
  Bryan Johnson (NOAA Earth System Research Laboratory, Boulder, CO)
P-46 The Implications of Background O3 Affecting the Setting and Attainment of the National Ambient Air Quality Standards (NAAQS) for Surface O3
  Samuel J. Oltmans (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-47 Colorado Front Range Surface Ozone Characterization
  Audra McClure-Begley (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)