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
May 16 and May 17, 2001

Wednesday, May 16, 2001 AGENDA

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

Session 1 • Overview - Research Group Reports - R. Schnell
08:30 - 08:40 Welcome and Introduction
   D. Hofmann
08:40 - 09:10 Keynote Address: The Coupled Tropospheric Chemistry, Carbon Exchange, Climate Problem: A Low-Cost, Airborne, Integrated Technology Approach
   J. Anderson (Harvard University)
09:10 - 09:30 Observatories Overview
   R. Schnell (CMDL)
09:30 - 09:50 Current Topics in Solar and Thermal Atmospheric Radiation Measurements: The STAR Group Overview
   E. Dutton (CMDL)
09:50 - 10:10 Current Aerosol Research at CMDL
   J. Ogren (CMDL)

• 10:10 - 10:30 Break

Session 2 • Overview - Research Group Reports (continued) - R. Schnell
10:30 - 10:50 Recent Research Developments in the Ozone and Water Vapor Group
   S. Oltmans (CMDL)
10:50 - 11:10 Highlights of the Halocarbons and other Atmospheric Trace Species (HATS) Group
   J. Elkins (CMDL)
11:10 - 11:30 Atmospheric Measurements of the Global Carbon Cycle
   P. Tans (CMDL)

• 11:30 - 13:00 Lunch

Session 3 • Ozone - S. Oltmans
13:00 - 13:20 Determination of Total Column Ozone at the South Pole with Measurements from the NSF UV Spectroradiometer: Comparison with CMDL Dobson and NASA TOMS Measurements, and Effect of Ozone Profiles on Ozone Retrievals
   G. Bernhard (Biospherical Instruments Inc)
13:20 - 13:40 A New Method for Describing Long-Term Changes in Total Ozone
   J. Harris (CMDL)
13:40 - 14:00 Ozonesonde Intercomparison Results from JOSIE 2000
   B. Johnson (CMDL)
Session 4 • Halocarbons - J. Elkins
14:00 - 14:20 Descent and Anomalous Mixing in the 1999-2000 Northern Vortex
   E. Ray (NOAA/AL)
14:20 - 14:40 Maximum Path Height Distributions: A Measurable Quantity Independent of Mean Age and Age Distributions for Model Comparisons
   F. Moore (CMDL)

• 14:40 - 15:00 Break

• 15:00 - 18:00 Poster Session

Thursday, May 17, 2001 AGENDA

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

Session 5 • Halocarbons (Continued) - J. Elkins
08:30 - 08:50 Evaluation of HATS Calibrations Scales: Is the Micro-Tube Gravimetric Method Reliable?
   B. Hall (CMDL)
08:50 - 09:10 Global Trends and Interannual Variability of Atmospheric CH3Br and CH3Cl
   S. Montzka (CMDL)
09:10 - 09:30 Measurements of the Ozone-Depleting Chemicals Regulated by the Montreal Protocol
   J. Elkins (CMDL)
09:30 - 09:50 Collection and Analysis of Firn Air from the South Pole, 2001
   J. Butler (CMDL)

• 09:50 - 10:10 Break

Session 6 Observatory - E. Dutton
10:10 - 10:30 Nonmethane Hydrocarbon Measurements at Samoa and Barrow
   D. Blake (Univ. of Calif., Irvine)
10:30 - 10:50 Tamanrasset/Assekrem GAW Station
   A. Kirouane (Algeria)
10:50 - 11:10 Planned Major Upgrades to Facilities at Cape Grim
   N. Tindale (Cape Grim, Australia)
11:10 - 11:30 NILU's Climate Related Observations at the Zeppelin Mountain Station in Ny-Ă…lseund, Spitsbergen
   F. Stordal (NILU, Norway)

• 11:30 - 13:00 Lunch

Session 7 • Aerosols, Radiation & Transport - J. Ogren
13:00 - 13:20 Springtime Deposition Rates of Atmospheric Mercury at Barrow, Alaska Followed by Partial Re-emission at Snowmelt
   S. Brooks (NOAA ATD, Oak Ridge, TN)
13:20 - 13:40 UAF/Frontier Snowfall/Blowing Snow Observations at Barrow CMDL: Research Plan and Preliminary Results
   D. Yang (Univ. of Alaska, Fairbanks)
13:40 - 14:00 Comparison of Narrow-Band and High-Resolution UV Radiometers at Barrow, Alaska
   R. Tatusko (CMDL)
14:00 - 14:20 Direct Measurement of Speciated Size-Resolved Organic Aerosols at Mauna Loa Observatory, Hawaii, Spring 2001
   T. Cahill (Univ. of Calif., Davis)
14:20 - 14:40 CMDL Aerosol and Radiation Measurements During ACE-Asia
   A. Jefferson (CMDL)

• 14:40 - 15:00 Break

Session 8 • Carbon Cycle - P. Tans
15:00 - 15:20 Recent Variations in the Atmospheric CO2 Growth Rate
   T.Conway (CMDL)
15:20 - 15:40 Estimated Interannual Variability of CO2 Fluxes During the 1990s
   L. Bruhwiler (CMDL)
15:40 - 16:00 Can a Decrease in Anthropogenic Methane Emissions From the Former Soviet Union be Seen in the 12-Year (1988-2000) Continuous Methane Record at Alert, Canada?
   D. Worthy (MES, Canada)
16:00 - 16:20 Contributions of Emission from Biomass Burning in High Northern Latitudes to Interannual Variations in Atmospheric CO2, CH4, and CO
   E. Kasichke (Univ. of Maryland)
16:20 - 16:40 CO2 Measurements at Pallas-Sodankylä GAW-Station, Finland
   Y. Viisianen (FMI, Finland)
16:40 - 1700 Continental-Scale Trace-gas Measurements over the United States during COBRA 2000
   J. Miller (CMDL)
16:30 - 1700 Results from the First Year of Atmospheric O2 Measurements at the WLEF Tall-Tower Site
   B. Stephens (CMDL)

• 17:30 Director's Award Ceremony and BBQ Dinner (David Skaggs Research Center Cafeteria)

Poster Session Wednesday, May 16, 2001 AGENDA

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

• Aerosols, Radiation, and Transport
P1 In Situ Aerosol Profiles Over the Southern Great Plains CART Site
   E. Andrews (CMDL)
P2 Advances in Sustained Aerosol Optical Depth Measurements
   E. Dutton (CMDL)
P3 Ultraviolet Radiation and Total Ozone Correlations at Mauna Loa Observatory and Boulder, Colorado
   B. Bodhaine (CMDL)
P4 An Investigation of Pyranometer Zero-Offset Effects on the Historical CMDL Surface Radiation Measurement Data
   D. Nelson (CMDL)
P5 Causes and Effects of the Advancing Date of Spring Snowmelt in the Alaskan Arctic
   B. Stone (CMDL)
P6 Preliminary Aerosol Observations With the CMDL Boulder Lidar
   J. Barnes (CMDL, MLO)
• Halocarbons
P7 Assimilating Old and New In Situ Data: Extending Halocarbon Trends into the 21st Century
   G.S. Dutton (CMDL)
P8 The Construction of a Unified, High-Resolution Nitrous Oxide Data Set for ER-2 Flights During SOLVE
   D. Hurst (CMDL)
P9 Identification of Seasonality in Oceanic Methyl Bromide Saturations
   D. King (CMDL)
P10 Measured SF6 Loss and Its Influence on Age of Air Calculations
   F. Moore (CMDL)
P11 International Comparisons of Primary Gas Standards
   R. Myers (NIST)
P12 Distinction Between Vortex and Midlatitude Air Masses From Tracer-Tracer Correlations and Lower Stratospheric Halogen Burdens From SOLVE
   P. Romashkin (CMDL)
• Carbon Cycle
P13 Vertical Profiles of CO2 and Other Trace Gas Species Over the Amazon Basin
   P. Bakwin (CMDL)
P14 The Global Distributions of N2O and SF6
   E. Dlugokencky (CMDL)
P15 Coupled Inverse Modeling of CO2 and CH4 in the Troposphere Using Novel Constraints
   S .Mikaloff-Fletcher (CMDL)
P16 NOAA/CMDL Correlative Measurements in Support of MOPITT Validation
   P. Novelli (CMDL)
P17 CO2 Reference Gas Prepared in NIES for Intercomparison of Isotope Analysis
   H. Mukai (NIES, Japan)
P18 The GLOBALVIEW-CO2 Data Product
   K. Masarie (CMDL)
P19 In Situ Measurements of the Atmospheric CH4 Mixing Ratio at Cape Ochi-ishi and Hateruma Island, Japan
   Y. Tohjima (NIES, Japan)
• Ozone
P20 Results From the Zugspitze Ozone Records
   H. Scheel (IFU, Germany)
P21 Ozone Change at the South Pole: A 40-Year Record of Observations
   S. Oltmans (CMDL)
• Observatories
P22 Meteorological Measurements at the CMDL Baseline Observatories
   T. Mefford (CMDL)
P23 SO2 Measurements at MLO: 1989-2001
   S. Ryan (NOAA, MLO)
P24 Climate Change Signal Detected at Cape Grim?
   N. Tindale (Cape Grim, Australia)
P25 ARM Northslope of Alaska
   B. Zak (Sandia National Laboratories, New Mexico)