Complete Conference Book of Abstracts.
** Data may be preliminary and should not be quoted or distributed without first contacting the author **


David Skaggs Research Center, Room GC-402
325 Broadway, Boulder, Colorado 80305
April 20 and April 21, 2005

Wednesday, April 20, 2005 AGENDA

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

Session 1 • Review of Past Year CMDL Research Highlights – R.C. Schnell
08:30 - 08:35 Welcome and Introduction
  D. Hofmann
08:35 - 09:20 Keynote Address: Sharing NOAA's Vision for Climate Research and Monitoring
  J.R. Mahoney (Assistant Secretary of Commerce for Oceans and Atmosphere and NOAA Deputy Administrator)
09:20 - 09:40 The Global Direct Radiative Climate Forcing by Well-Mixed Greenhouse Gases over the Past 26 Years – A Climate Benchmark
   D.J. Hofmann (CMDL)
09:40 - 10:00 Aerosols and Climate Forcing: New Directions for the CMDL Aerosol Research Program
  J. Ogren (CMDL)
10:00 - 10:20 New Ozonesonde Measurement Program at Summit, Greenland
  B.J. Johnson (CMDL)

• 10:20 - 10:40 Break

Session 2 • Highlights (continued) – D.J. Hofmann
10:40 - 11:00 Four Decades of Ozonesonde Measurements Over Antarctica
  S. Solomon (NOAA Aeronomy Laboratory)
11:00 - 11:20 Expanding Regular Measurements of Halocarbons, Hydrocarbons, and Carbonyl Sulfide Vertically through the Troposphere
  S. Montzka (CMDL)
11:20 - 11:40 NOAA Ground-Based Surface Radiation Measurements for Research: A New Era
  E. Dutton (CMDL
11:40 - 12:00 AirCore™, a New and Very Simple Way to Obtain Vertical Atmospheric Profiles of Traces Gases
   P.P. Tans (CMDL)

•12:00 - 13:00 Lunch

Session 3 • Carbon Cycle – E.J. Dlugokencky
13:00 - 13:20 Influences on the Variability of CO 2 Measured at Continental Tall Tower Sites
  A.E. Andrews (CMDL)
13:20 - 13:40 On the Resolution of CO 2 Flux Estimations
  L. Bruhwiler (CMDL)
13:40 - 14:00 An Ensemble Data Assimilation System to Estimate Regional CO2 Fluxes for North America
  W. Peters (CIRES, CMDL)
14:00 - 14:20 Outline of the CMA GHG Sampling Network
  T. Jie (Chinese Academy of Meteorological Sciences, Beijing, China)

•14:20 - 14:40 Break

• Carbon Cycle (continued) – P.P. Tans
14:40 - 15:00 Preliminary Constraints on Fossil-Fuel CO 2: Comparison of Tracers 14CO 2, CO, and SF6
  J.C. Turnbull (INSTAAR Univ. of Colorado)
15:00 - 15:20 Differential Environmental Control of Terrestrial Carbon Fluxes in Tropical and Temperate Zones
   J. Miller (CIRES, CMDL)
15:20 - 15:40 Conversion of NOAA Atmospheric CH 4 Mole Fractions to a Gravimetrically-Prepared Standard Scale
   E.J. Dlugokencky (CMDL)
15:40 - 16:00 Non-Methane Hydrocarbon Measurements for Long-Range Transport Studies at Pico Mountain, Azores, Portugal
  D. Tanner (INSTAAR Univ. of Colorado)

• 16:00 - 18:30 Poster Session (Room GB-124)

Thursday, April 21, 2005 AGENDA

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

Session 5 • Global Observations and Related Topics – E.G. Dutton
08:30 - 08:50 NOAA CMDL International Measurement Programs
  R.C. Schnell (CMDL)
08:50 - 09:10 A First Look at the Vertical Structure of the Atmospheric Pressure Tide Above Hawaii
  S.C. Ryan (CMDL)
09:10 - 09:30 The Surface-Based Temperature Inversion on the Antarctic Plateau
  S.R. Hudson ( Univ. of Washington)
09:30 - 09:50 Long-Term Trends and Variability in the Tropospheric Circulation over Antarctica
  W.D. Neff (NOAA ETL)
09:50 - 10:10 The Mt. Kenya GAW Station Report, Recent Results, and Long-Term Planning
   W.O. Ayoma ( Kenya Meteorological Department)

• 09:50 - 10:20 Break

Session 6 • Ozone – S.J. Oltmans
10:40 - 11:00 Tropospheric Ozone Across North America During Summer 2004
   S.J. Oltmans (CMDL)
11:00 - 11:20 Trends in Near-Surface Ozone at Cape Grim and in the Southern Hemisphere Troposphere
   I.E. Galbally (CSIRO, Australia)
11:20 - 11:40 Aircraft-Based Validation of Ozone Column for AURA Satellite Mission
   I. Petropavlovskikh (NOAA Air Resources Laboratory)
11:40 - 12:00 Looking for Signs of Ozone Recovery
  E. Weatherhead (NOAA Air Resources Laboratory)

• 12:00 - 13:00 Lunch

Session 7 • Aerosols and Radiation – J.H. Butler
13:00 - 13:20 Arctic Haze: Trends in Chemical Composition and Optical Properties
  P.K. Quinn (NOAA PMEL)
13:20 - 13:40 Characterizing Aerosol Angular Scattering for Climate Studies
  A. McComiskey (CIRES, CMDL)
13:40 - 14:00 Measurement of Anthropogenically Influenced Aerosols at a Nova Scotia Site
  E. Andrews (CIRES, CMDL)
14:00 - 14:20 Radiative Closure Studies for Clear Skies During the ARM 2003 Aerosol Intensive Observation Period
  J.J. Michalsky (NOAA Air Resources Laboratory)
14:20 - 14:40 Measurements of CH 4 Mixing Ratio, D/H and 13C/ 12C isotope Ratios in Atmospheric Samples from the Continental United States
  S. Tyler (Univ. California, Irvine)

• 14:40 - 15:00 Break

Session 8 • Halocarbons– J.W. Elkins
15:00 - 15:20 Are Unmanned Aerial Vehicles (UAVs) in Our Lab’s Future?
   J.W. Elkins (CMDL)
15:20 - 15:40 Fluxes of Short-Lived, Halogenated Methanes into the Marine Boundary Layer
  J.H. Butler (CMDL)
15:40 - 16:00 Intercomparisons of Nitrous Oxide and Sulfurhexaflouride within CMDL
  G.S. Dutton (CIRES, CMDL)
16:00 - 16:20 Recent Hourly Gas Chromatographic Measurements from the WLEF Tall Tower
  A.I. Hirsch (CIRES, CMDL)
16:20 - 16:40 Estimating Biophysical Parameters from CO2 Flask and Flux Observations
  Kevin Schaefer (CIRES, CMDL)

• 18:00 Dinner at Redfish, 2027 13th Street (Cash bar; meal at own expense)

Poster Session Wednesday, April 20, 2005 AGENDA

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

• Radiation and Aerosols
P-1 Status, Accomplishments, Recent Developments, and Plans at the North Slope of Alaska ARM Climate Research Facility
   B. Zak (Sandia Nat. Laboratories)
P-2 Modifications to the Kwajalein BSRN Site December 2004
   D.W. Nelson (CMDL)
P-3 Results from the 2003 North American Interagency Intercomparison of Ultraviolet Spectroradiometers and Filter Radiometers
   K. Lantz (CIRES, ARL)
P-4 Decadal Time Series of UV Irradiances at Two NDSC Sites
   R.L. McKenzie (NIWA, New Zealand)
P-5 Enhanced Climate Monitoring Activities at Alert, Canada: A Partnership in the Study of Environmental Arctic Change (SEARCH)
   R. Stone (CIRES,CMDL)
P-6 The Expanded Scope of CMDL Surface- and Aircraft-Based Aerosol Measurements in 2005
   P.J. Sheridan ( CMDL)
P-7 Direct Aerosol Forcing: Calculation from Observables and Sensitivities to Inputs
   A. McComiskey (CIRES, CMDL)
P-8 Bulk Aerosol Measurements at Mount Washington: Seasonal Cycles, Elevated Events, and Relationships to Air Mass Transport
   E.V. Fischer ( Mt. Washington Observatory, New Hampshire)
P-9 Aerosol Optical Depth Measurements at the Nairobi Ozone Sounding Observatory using a Ground-Based MICROTOPS-II Sunphotometer
   W.O. Ayoma (Kenya Meteorological Department)
P-10 An Innovative Raster-Mirror Optical Detection System for CCD Camera Bistatic Lidar
   V.V. Doushkina (MetroLaser Inc.)
P-11 Measurement of Aerosol Chemical and Optical Properties at Two Regional GAW Stations in the Eastern Part of China
   P. Yan ( Chinese Academy of Meteorol. Science)
• Halocarbons
P-12 An In-Flight PAN Calibration System for High-Altitude Studies
   B. Hall (CMDL)
P-13 Atmospheric Burden of Some Ozone-Depleting Compounds Continues to Increase
   D.J. Mondeel (CIRES, CMDL)
P-14 Fusing Research and Outreach in the International Polar Year
   C. Knight (OAR Outreach)
• Ozone
P-15 Bias in Dobson Total Ozone Measurements at High Latitudes because of Approximations in Calculations of Ozone Absorption Coefficients and Airmass
   G. Bernhard (Biospherical Instruments Inc.)
P-16 International Comparison of Standards and Measurements for Ground-Level Ozone in East Asia
   H. Tanimoto (NIES, Japan)
P-17 Trends in Temperature and Dew Point at the Summit of Mount Washington, New Hampshire, 1935-2004
   A.N. Grant ( Mt. Washington Observatory)
P-18 A Comparison of Ground-Based Ozone Measurements to TOMS Version 8 Data Over the Continental United States
   R.D. Evans (CMDL)
P-19 Tropospheric Ozone Aircraft Measurement Program Developments
   B. Vasel (CIRES, CMDL)
• Carbon Cycle
P-20 Introduction of a Newly Developed GC System for VOC Analysis in the CMDL Network Flasks
   J. Pollmann ( Univ. of Colorado)
P-21 Preliminary Trend Analyses of CMDL Carbon Monoxide Data
   E. Weatherhead (CIRES, ARL)
P-22 Application of Influence Functions to Analyze CO 2 Tower Data
   M. Uliasz ( Colorado State University)
P-23 Estimating Uncertainty of the WMO Mole Fraction Scale for Carbon Dioxide in Air
   C. Zhao(CIRES, CMDL)
P-24 Technology and Results of Carbon Dioxide Measurements in the Air near the Ground and in the Atmospheric Column
   F.V. Kashin (State Institution SPA, Russia)
P-25 Evaluation of Simulated Atmospheric (CO 2) Using Analyzed Climate, Transport and Satellite Vegetation
   S.L. Conner Gausepohl (Colorado State University)
P-26 Evaluating Clear Sky, Diurnal Cycle, and Representation Errors in OCO Retrievals: A Synthesis of Models and Observations
   K. Corbin ( Colorado State University)
P-27 Geological Source of Atmospheric Methane
   A. Judd (CIRES, University of Colorado)