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David Skaggs Research Center, Room GC-402
325 Broadway, Boulder, Colorado 80305
May 14 and May 15, 2008

Wednesday, May 14, 2008 AGENDA

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

Session 1 • Session 1 Setting the Stage – R.C. Schnell (ESRL) Slides
08:30-08:40 Welcome and Introduction
  J.H. Butler (ESRL)
08:40-09:00 Climate Feedbacks and Information for Policymakers
  A.E. MacDonald (ESRL)
09:00-09:20 A New Look at Anthropogenic Atmospheric Carbon Dioxide
  D.J. Hofmann (University of Colorado/CIRES)
09:20-09:40 How High Could CO Go?
  P.P. Tans (ESRL)
09:40-10:00 Continued Permafrost Warming in Northern Alaska, 2007 Update
  G.D. Clow (U.S. Geological Survey)
10:00-10:30 System S
  O. Verscheure (IBM)

• 10:30-10:50 Break

Session 2 • Carbon Cycle 1 – G. Petron (University of Colorado/CIRES) Slides
1050-1110 A Lagrangian Particle Dispersion Model Approach for Evaluating CarbonTracker
  A. Andrews (ESRL)
11:10-11:30 Total Column Carbon Observing Network: Variability in Total Column CO2 and CO
  G. Keppel-Aleks (California Institute of Technology)
11:30-11:50 Bridging Carbon Cycling and Air Quality Studies Using Atmospheric 14CO2
  J.B. Miller (University of Colorado/CIRES)
11:50-12:10 Quantifying Regional GHG Emissions from Atmospheric Measurements: HFC-134a at Trinidad Head
  R.F. Weiss (Scripps Institution of Oceanography)

• 12:10-13:00 Lunch

Session 3 • Carbon Cycle 2 – A. Karion (University of Colorado/CIRES) Slides
13:00-13:20 Thirty Years of Global Atmospheric Methane and EthaneMonitoring: What Can Ethane Teach Us About Methane?
  I.J. Simpson (UC-Irvine)
13:20-13:40 Causes of the Anomalous Atmospheric CH4 Growth Rate During 2007
  L. Bruhwiler (ESRL)
13:40-14:00 Looking Down the Tail Pipe of North America: A Case Study for the Use of Offshore Towers to Constrain the North American Carbon Budget
  C. Sweeney (University of Colorado/CIRES)
14:00-14:20 Assessing Terrestrial Ecosystem Responses to Climate Change from Analysis of the Shape and Amplitude of the Seasonal Cycle of Atmospheric CO2
  C. Nevison (National Center for Atmospheric Research)
14:20-14:40 Progress of the Greenhouse Gases Monitoring Programme by the China Meteorological Administration (CMA) and Cooperative Projects
  L.X. Zhou (Chinese Academy of Meteorological Sciences)

• 14:40-15:00 Break

Session 4 • David J. Hofmann Recognition Session – J.H. Butler (ESRL) Slides
15:00-15:20 David Hofmann’s Pioneering Observations of Stratospheric Volcanic Aerosols
  A. Robock (Rutgers)
15:20-15:40 Stratospheric Aerosol from Pole to Pole: Balloonborne In Situ Observations
  T. Deshler (University of Wyoming)
15:40-16:00 Increases in Stratospheric Aerosols
  J.E. Barnes (ESRL)
16:00-16:20 Stratospheric Ozone Changes from Five Decades of Ground-Based Observations
  S.J. Oltmans (ESRL)
16:20-16:40 Recent Accelerated Growth Observed for HCFCs in the Atmosphere
  S.A. Montzka (ESRL)
16:40-17:00 Integrating NOAA’s Climate Forcing Observations – The NOAA Annual Greenhouse Gas Index
  J.H. Butler (ESRL)

1800-2100 David J. Hofmann Retirement Dinner (Carelli’s Restaurant, 645 30th Street, Boulder, 6:00 PM - 9:00PM)

Thursday, May 15, 2008 AGENDA

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

Session 5 • Radiation and Aerosols – J.A. Augustine (ESRL) Slides
08:30-08:50 Observationally Closing the Gap between Climate Radiative Forcing and Changes in Radiation Climate
  E.G. Dutton (ESRL)
08:50-09:10 Development and Implementation of a Variational Cloud Retrieval Scheme for the Measurements of the SURFRAD Observation System
  S.J. Cooper (ESRL)
09:10-09:30 Comparison of UV-RSS Spectral Measurements and TUV Model Runs for the May 2003 ARM Aerosol Intensive Observation Period
  J.J. Michalsky (ESRL)
09:30-09:50 Comparison of Aerosol Vertical Profiles from Spaceborne Lidar with In Situ Measurements
  J.A. Ogren (ESRL)
09:50-10:10 Elemental and Organic Carbon Measurements in Fine PM from Urban to Rural to Background Air Over Canada: Understanding Human Impacts on Atmospheric Compositions
  L. Huang (Env. Canada)

• 1010-1030 Break

Session 6 • International Programs and Measurements – T.J. Conway (ESRL) Slides
10:30-10:50 Atmospheric Monitoring of the Malaysian Meteorological Department, Ministry of Science, Technology and Innovation, Malaysia
  L.L. Kwok (Malaysian Meteorological Department)
10:50-11:10 GAW Activities at Empa
  J. Klausen (Empa Dübendorf)A
11:10-11:30 Quality Assurance and Quality Control in the WMO-GAW-VOC Network
  R. Steinbrecher (IMK-IFU)
11:30-11:50 Climate Variability in the Region of Future Tiksi Hydrometeorological Observatory from a new Digital Archive of Meteorological Data, Sakha Republic, Russia
  A. Makshtas (Roshydromet)
11:50-12:10 Observations of Mercury Species and Halogens at Summit, Greenland
  S.B. Brooks (NOAA ATTD)

• 1210-1300 Lunch

Session 7 • Halocarbons and Hydrocarbons – S.A. Montzka (ESRL) Slides
13:00-13:20 In Situ Ground and Aircraft Observations of Carbonyl Sulfide (COS): Evidence for Uptake
  J.W. Elkins (ESRL)
13:20-13:40 Selected Results from Trace Gas Inter-Comparisons between AGAGE In Situ and NOAA Flask Data
  P.B. Krummel (Commonwealth Scientific and Industrial Research Organization (CSIRO))
13:40-14:00 Measurements of Light Alkanes (C2-C4) in Firn Air at Summit, Greenland and the West Antarctic Ice Sheet Divide: Is There Evidence for a Recent Decline in Polar Tropospheric Levels?
  M. Aydin (UC-Irvine)
14:00-14:20 Identifying and Quantifying Sources of Halogenated Greenhouse Gases Using Lagrangian Dispersion Methods
  M. Maione (University of Urbino)

• 1420-1440 Break

Session 8 • Ozone – B.J. Johnson (ESRL) Slides
14:40-15:00 Stratospheric Air Sampled at the Surface at Mauna Loa Observatory
  G.S. Dutton (University of Colorado/CIRES)
15:00-15:20 Primary Study on the Characteristics of Trace Gases in a Clean Area of North China
  B. Jianhui (Chinese Academy of Sciences)
15:20-15:40 Ozone Chemistry and Transport Along a 2000 meter Altitude Gradient in the Colorado Front Range from Twelve Surface Sites and Balloon Sonde Observations
  D. Helmig (University of Colorado/INSTAAR)
15:40-16:00 The Short-Term and Long-Term Stratospheric and Tropospheric Ozone Variability Available from Zenith Sky Measurements
  I. Petropavlovskikh (University of Colorado/CIRES)

• 1615-1845 Poster Session (Room GC-402) -Refreshments will be served (Snacks and Wine)

Poster Session Thursday, May 15th: 1615-1845

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

• Carbon Dioxide and Methane
P-1 CO2 Source/Sink Information from OCO Column CO2 Data
   D.F. Baker (Woods Hole Oceanographic Institution)
P-2 Temporal and Spatial Patterns in Regional and Continental-Scale CO2 Mixing Ratio Measurements
   N.L Miles (Pennsylvania State University)
P-3 Decreasing Anthropogenic Methane Emissions in Europe and Siberia Inferred from Continous Carbon Dioxide and Methane Observations at Alert, Canada and Barrow, USA
   D. Worthy (Enviroment Canada)
P-4 Progress on Recent Carbon Cycle Studies in Oklahoma and California
   M.L. Fischer (Lawrence Berkeley National Laboratory)
P-5 CO2 and CH4 Measurements from the CARIBIC Aircraft Observatory
   T.J. Schuck (Max Planck Institute for Chemistry)
P-6 How Well Can We Measure Baseline CO2 at Cape Kamukahi?
   S.C. Ryan (ESRL)
P-7 Where do Those Numbers Come from, Again? Fossil-Carbon Emissions Estimates on Various Space and Time Scales
   T.J. Blasing (Oak Ridge National Laboratory)
P-8 The Orbiting Carbon Observatory Development Status
   D. Crisp (JPL/Caltech)
P-9 Beyond Kyoto: Why Climate Policy Needs to Adopt the 20-Year Impact of Methane
   E. Lombardi (Eco-Cycle)
P-10 Estimating Measurement Uncertainties for Programmable Flask Package (PFP) Air Samples: A Mountaintop Intercomparison with the Cooperative Global Network Manual Sampler
   D. Neff (University of Colorado/CIRES)
P-11 Results of Carbon Dioxide Measurements in the Atmospheric Boundary Layer in Obninsk, Russia
   T.J. Conway (ESRL)
P-12 Introduction to Trace Gases Measurement in Mongolia
   O. Dugerjav (Institute of Meteorology and Hydrology)
P-13 Increase in the Global Burden of CH4 During 2007
   E.J. Dlugokencky (ESRL)
P-14 Applications of Lagrangian Particle Transport Modeling in the Top-Down Regional CO2 Studies
   M. Uliasz (Colorado State University)
P-15 Regional-Scale Carbon Dioxide Fluxes During the 2007 Growing Season Derived from Simultaneous Radon-222 and Carbon Dioxide Measurements in Oklahoma
   A.I. Hirsch (University of Colorado/CIRES)
P-16 North American CO2 Fluxes from a New Synthesis of Inverse Models
   A.R. Jacobson (ESRL)
P-17 Spatial Structure in North American Regional CO2 Fluxes Evaluated with a Simple Land Surface Model
   T.W. Hilton (Pennsylvania State University)
P-18 Measurement and Monitoring of Surface Radiative Forcing from Individual Greenhouse Gases
   W.F.J. Evans (North West Research Associates)
• Carbon Monoxide, Carbonyl Sulfide and 14C
P-19 Plant Uptake of Atmospheric Carbonyl Sulfide (COS) Over Tropical Latin America
   E. Campbell (Stanford University)
P-20 Analyzing Gross Primary Production and Respiration of Terrestrial Ecosystems Using a Global Carbon Cycle Model that Includes Carbonyl Sulfide
   E. Campbell (Stanford University)
P-21 Observational Evidence for a Long-Term Trend in Carbon Monoxide
   P.C. Novelli (ESRL)
P-22 Latitudinal Gradients of Atmospheric Δ14C: A New Window onto Dynamical Controls of the Southern Ocean
   S.M. Fletcher (Princeton University)
P-23 14CO2 as a Diagnostic for Vertical Transport in Atmospheric Transport Models
   J. Turnbull (Laboratoire des Sciences du Climat et de l'Environnement)
• Ozone
P-24 Observations of Ground-Level Ozone in Lithuania: Monitoring Network and Results
   R. Girgzdiene (Institute of Physics)
P-25 Daily Ozonesonde Launches at Barrow, Alaska: April 1-20, 2008
   B.J. Johnson (ESRL)
P-26 Ozone Observations Over Mt. Kenya and Nairobi GAW (Global Atmosphere Watch) Stations
   J. Nguyo (Kenya Meteorological Department)
• Halocarbons and SF6
P-27 Initial Results from the International Halocarbon in Air Comparison Experiment (IHALACE)
   B. Hall (ESRL)
P-28 Measurement of Internal Stray Light within Dobson Ozone Spectrophotometers
   R.D. Evans (ESRL)
P-29 Reconciling Estimates of SF6 Emissions Using NOAA Observations
   M.J. Heller (University of Colorado/CIRES)
• Aerosols and Radiation
P-30 Forecast of UV Index by Means of an Empirical Model in the Republic of Panama
   A. Pino (University of Panama)
P-31 U.S. Trends in Aerosol Optical Depth and Solar Radiation over the Past 10 Years
   J.A. Augustine (ESRL)
P-32 Establishing Climatological Validation of Aerosol Impact at Barrow: 'Ground Truth' vs. Satellite Measurements
   G.P. Anderson (Air Force Research Laboratory) <
P-33 Temporal Variability of Aerosol Optical Properties, Ozone and CO Vertical Profiles over Rural Oklahoma
   E. Andrews (University of Colorado/CIRES)
P-34 The NOAA ESRL Airborne Aerosol Observatory: The First Two Years of Operation
   P.J. Sheridan (ESRL)
P-35 Comparison of RSS Spectral Measurements and LBLRTM/CHARTS Model Calculations for Clear Skies
   J.S. Delamere (ESRL)
P-36 NEUBrew - The NOAA EPA Brewer Spectrophotometer UV Monitoring Network
   P. Disterhoft (University of Colorado/CIRES)
• Observatories, Cooperative Measurements and Global Databses
P-37 MPLNET Measurements of Polar Stratospheric Clouds at the South Pole in 2007
   J.R. Campbell (Science Systems and Applications Inc.)
P-38 Cloud Properties Observed by an All-Sky Camera System at the South Pole Station
   M. Shiobara (National Institute of Polar Research)
P-39 Researcher and Educator Long Term Collaboration with NOAA Earth System Research Laboratory Regarding Atmospheric Ozone Changes at the South Pole through the NSF PolarTREC Program
   E. Bergholz (United Nations International School)
P-40 Comparison of UV Climates at Summit, Greenland; Barrow, Alaska; and South Pole Station, Antarctica
   G. Bernhard (Biospherical Instruments Inc.)
P-41 Results of Snowfall/Blowing Snow Observations in Barrow
   D. Yang (University of Alaska Fairbanks)
P-42 Annual Cycles of Atmospheric Trace Gases in the Tropical Marine Boundary Layer: First Measurements from the Cape Verde Observatory
   K.A. Read (University of York)
P-43 GEOSummit Baseline Measurements: Results and Interpretations of Year-Round Measurements
   R. Banta (Desert Research Institute)
P-44 Circum Arctic Monitoring of the Environment from Research Aircraft
   R.S. Stone (University of Colorado/CIRES)
P-45 A New Global Database of Trace Gases and Aerosols at High Vertical Resolution
   G.E. Bodeker (National Institute of Water and Atmospheric Research)
P-46 The Global Atmosphere Watch World Data Centre for Aerosols: Progress in Integrating Regional Surface Observations of In Situ Aerosol Physical and Chemical Properties into a Global Network
   J. Wilson (European Commission DG Joint Research Centre)
P-47 Inter-Comparisons of Satellite, Dobson Spectrophotometer and Ozonesonde Ozone Data Observations Over Nairobi, Kenya
   C.C. Okuku (Kenya Meteorological Department)
P-48 The Nonhydrostatic Icosahedral Model
   A.E. MacDonald (ESRL)