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2012 NOAA ESRL GLOBAL MONITORING ANNUAL CONFERENCE

David Skaggs Research Center, Room GC-402
325 Broadway, Boulder, Colorado 80305
May 15, May 16 and May 17, 2012

Tuesday, May 15, 2012 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 - 08:10 Morning Snacks – Coffee, tea, fruit, bagels & donuts served

Session 1 • Introduction, Keynote Address, and Setting the StageChaired by Russ Schnell Slides
08:10 - 08:30 Welcome Address
  James H. Butler & Alexander E. MacDonald (NOAA Earth System Research Laboratory, Boulder, CO)
08:30 - 09:00 KEYNOTE: Atmospheric Chemical Composition, Climate, and Societal Implications
  Steven Wofsy (Biosphere-Atmosphere Exchange Group, Harvard University, Cambridge, MA)
09:00 - 09:15 Global Atmospheric Distributions of Some Short-lived Halocarbons
  Stephen A. Montzka (NOAA Earth System Research Laboratory, Boulder, CO)
09:15 - 09:30 Partitioning of Terrestrial Carbon Sources Using 14CO2: Observations and Modeling
  Scott Lehman (University of Colorado, Boulder, CO)
09:30 - 09:45 Are Oceanic and Terrestrial Sinks of CO2 Not Able to Keep Up with Emissions?
  Pieter Tans (NOAA Earth System Research Laboratory, Boulder, CO)

• 09:45 - 10:15Morning Break

Session 2 • Carbon Cycle - MethaneChaired by Pieter Tans Slides
10:15 - 10:30 Thirty Years of Atmospheric CH4 Monitoring:  What Have We Learned?
  Ed Dlugokencky (NOAA Earth System Research Laboratory, Boulder, CO)
10:30 - 10:45 Monitoring and Detecting Arctic Greenhouse Gas Budgets:  The Importance of Long-term Surface Observations and the Role of CarbonTracker-CH4
  Lori Bruhwiler (NOAA Earth System Research Laboratory, Boulder, CO)
10:45 - 11:00 Isotope Variations in Atmospheric Methane Over the Last Two Millenia
  Thomas Röckmann (Institute for Marine and Atmospheric Research, Utrech University, Utrecht, Netherlands)
11:00 - 11:15 Reconstruction of 1950 – 2010 Northern Hemisphere Non-methane Hydrocarbon Histories
  Detlev Helmig (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
11:15 - 11:30 Trace Gas Images of the Alaskan Atmosphere:  The First Year of Measurements from the Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE)
  John B. Miller (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
11:30 - 11:45 Observation of Atmospheric CH4 Mixing Ratios at the Three WMO/GAW Stations in China
  Shuangxi Fang (Centre for Atmosphere Watch and Services, Chinese Academy of Meteorological Sciences, China Meteorological Administration, Beijing, China)

• 11:45 - 13:00Catered Lunch Service – Outreach Classroom GB-124 (pre-payment of $12.00 required at registration table)

Session 3 • Carbon Cycle - Quantification of EmissionsChaired by Tom Conway Slides
13:00 - 13:15 Estimate of CH4 Emissions from Oil and Gas Operations in the Uintah Basin Using Airborne CH4 Measurements and LiDAR Wind Data
  Anna Karion (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
13:15 - 13:30 Quantifying California's Anthropogenic Greenhouse Gas Budget
  Marc L. Fischer (Lawrence Berkeley National Laboratory, Berkeley, CA)
13:30 - 13:45 Urban Greenhouse Gas Emissions Monitoring in Davos, Switzerland, Before, During and After the 2012 World Economic Forum Annual Meeting
  Thomas Lauvaux (The Pennsylvania State University, Department of Meteorology, University Park, PA)
13:45 - 14:00 Hourly, Daily, and Seasonal Patterns of Atmospheric CO2 Along an Urbanization Gradient
  Allison Dunn (Worcester State University, Worcester, MA)
14:00 - 14:15 Toward Simultaneous Multi-station Data Pre-processing for Inversions of Greenhouse Gas Emissions and Uptake in California
  Elena Novakovskaia (Earth Networks, Inc., Germantown, MD)
14:15 - 14:30 Two Decades of Atmospheric O2 Measurements and Their Implications
  Ralph Keeling (Scripps Institution of Oceanography, University of California at San Diego, La Jolla, CA)

• 14:30 - 15:00Afternoon Break

Session 4 • AerosolsChaired by John Ogren Slides
15:00 - 15:15 Long-term Trends in African Dust Transport to the Caribbean:  African Sources, Changing Climate, and Future Scenarios
  Joseph M. Prospero (Rosenstiel School of Marine and Atmospheric Sciences, University of Miami, Miami, FL)
15:15 - 15:30 Aerosols at Mauna Loa Observatory (MLO) – Spring 2001 Versus Spring 2011
  Thomas A Cahill (University of California at Davis, Davis, CA)
15:30 - 15:45 Seasonal Variability in the Southeast U.S. Background Aerosol Direct Radiative Effect – An Initial Measurement-based Climatology from a Regionally-representative Location
  James Sherman (Department of Physics and Astronomy, Appalachian State University, Boone, NC)
15:45 - 16:00 Climatology of Aerosol Optical Properties Over the High Arctic
  Auromeet Saha (Université de Sherbrooke, Quebec, Canada)
16:00 - 16:15 The Cloud, Aerosol Backscatter and Polarization LiDAR at Summit, Greenland
  Ryan Neely (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
16:15 - 16:30 Isoprene Suppression of New Particle Formation in a Mixed Deciduous Forest
  Shan-Hu Lee (Kent State University, Kent, OH)
16:30 - 16:45 Investigating Potential Biases in Aerosol Light Absorption Measurements
  Christine Walsh (NOAA Earth System Research Laboratory, Lund University, Lund, Sweden)

• 17:00 - 20:00Poster Session in DSRC Cafeteria (GC-425) with appetizers & refreshments


Wednesday, May 16, 2012 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 collected at registration table

• 07:30 - 08:15 Morning Snacks – Coffee, tea, fruit, bagels & donuts served

Session 5 • Keynote Address and Carbon Cycle - NetworksChaired by Arlyn Andrews Slides
08:15 - 08:45 KEYNOTE: National Emissions Verification by Merging Earth System Measurements, Global Social Data and Earth System Models
  Ronald G. Prinn (Massachusetts Institute of Technology (MIT), Cambridge, MA)
08:45 - 09:00 Earth Networks Update on Global Greenhouse Gas (GHG) Monitoring Network
  Bob Marshall (Earth Networks, Inc., Germantown, MD)
09:00 - 09:15 Comparison of Primary Standards/Scales of Key Greenhouse Gases Between NOAA and NIST
  Jerry Rhoderick (National Institute of Standards and Technology (NIST), Gaithersburg, MD)
09:15 - 09:30 The Value of On-site Comparisons During WCC Audits for Methane, Carbon Dioxide and Carbon Monoxide
  Christoph Zellweger (EMPA, Laboratory for Air Pollution/Environmental Technology, Duebendorf, Switzerland)
09:30 - 09:45 In Situ CO2 Monitoring Network Evaluation and Design:  A Criterion Based on Atmospheric CO2 Variability
  Yoichi Shiga (Department of Civil and Environmental Engineering, Stanford University, Stanford, CA)

• 09:45 - 10:15Morning Break

Session 6 • Carbon Cycle - Large Scale ObservationsChaired by John Miller Slides
10:15 - 10:30 Variation of CO2 Mole Fraction in the Lower Free Troposphere, in the Boundary Layer and at the Surface
  Laszlo Haszpra (Hungarian Meteorological Service, Budapest, Hungary)
10:30 - 10:45 The ODIAC - The Second Fossil Fuel CO2 Emission Dataset for CarbonTracker
  Tomohiro Oda (Cooperative Institute for Research in Atmospheres, Colorado State University, Fort Collins, CO)
10:45 - 11:00 Global Monitoring:  CARIBIC Aircraft Data for CO, Greenhouse Gases (GHGs), and Non-methane Hydrocarbons
  Carl Brenninkmeijer (Max Planck Institute for Chemistry, Mainz, Germany)
11:00 - 11:15 The Evolution of Atmospheric CO2 Variations in a Coupled Carbon-climate Model
  Gretchen Keppel-Aleks (University of California, Department of Earth System Science, Irvine, CA)
11:15 - 11:30 Estimating North America Carbon Fluxes Through Lagrangian Inverse Modeling for CO2 and OCS
  Huilin Chen (NOAA Earth System Research Laboratory, Boulder, CO)
11:30 - 11:45 AirCore: The Gold Standard for Satellite Evaluation
  Colm Sweeney (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)

• 11:45 - 13:00Catered Lunch Service – Outreach Classroom GB-124 (pre-payment of $12.00 required at registration table)

Session 7 • Carbon Cycle - Large Scale Observations (continued)Chaired by Pieter Tans Slides
13:00 - 13:15 CO2 Measurements from Space:  The Japanese GOSAT and NASA OCO-2 Missions
  David Crisp (Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA)
13:15 - 13:30 Assessing the Utility of Atmospheric CO2 Observations from Space (ACOS) V2.10 Greenhouse Gases Observing Satellite (GOSAT) Column CO2 Retrievals by Comparing to Independent CO2 Measurements
  David Baker (Cooperative Institute for Research in Atmospheres, Colorado State University, Fort Collins, CO)
Session 8 • Atmospheric Radiation (Solar)Chaired by Robert Stone Slides
13:30 - 13:45 Ultraviolet (UV) Index Climatology of Nepal Himalaya Using Ozone Monitoring Instrument (OMI) Data
  Rishi Ram Sharma (Norwegian University of Science and Technology (NTNU), Trondheim, Norway)
13:45 - 14:00 Spectral and Broadband Albedos - Not an Easy Measurement
  Joseph Michalsky (NOAA Earth System Research Laboratory, Boulder, CO)
14:00 - 14:15 Possible Extraterrestrial Solar Radiation (ETR) Spectral Variations in the Ultraviolet and Visible:  A Test for Ground-based Instrumentation
  Ellsworth G. Dutton (NOAA Earth System Research Laboratory, Boulder, CO)
14:15 - 14:30 Radiative Forcing Efficiency of a Forest Fire Smoke Plume at the Surface and Top Of the Atmosphere (TOA)
  John A. Augustine (NOAA Earth System Research Laboratory, Boulder, CO)

• 14:30 - 15:00Afternoon Break

Session 9 • Ozone & Water VaporChaired by Samuel Oltmans Slides
15:00 - 15:15 Oxygenated Volatile Organic Compounds (OVOCs) in the Remote Marine Troposphere:  Results from the Cape Verde Atmospheric Observatory (CVAO)
  Lucy J. Carpenter (Department of Chemistry, University of York, York, United Kingdom)
15:15 - 15:30 Observations of Springtime Surface Ozone Depletion at Toolik Lake, Alaska (AK)
  Brie VanDam (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
15:30 - 15:45 Comparison of Continuous Surface Ozone Measurements from Two Arctic Observatories
  Laura C. Patrick (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
15:45 - 16:00 Longstanding Discrepancies in Stratospheric Water Vapor Measurements Revisited During the 2011 Mid-latitude Airborne Cirrus Properties Experiment (MACPEX)
  Dale Hurst (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
16:00 - 16:15 How the Global Climate Observing System (GCOS) Reference Upper Air Network (GRUAN) Contributes to Upper Air Climate Records
  Holger Vömel (GRUAN Lead Center, Deutscher Wetterdienst, Lindenberg, Germany)
16:15 - 16:30 The Role of the Network for the Detection of Atmosphric Composition Change (NDACC) Measurements in Assessing Past Changes in the Vertical Distribution of Ozone
  Michael J. Kurylo (Goddard Earth Sciences, Technology, and Research Program, Greenbelt, MD)
16:30 - 16:45 Ozone Data for Climate Models:  A Comparison of Three Datasets and Their Radiative Forcing
  Birgit Hassler (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)

Thursday, May 17, 2012 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

• 07:30 - 08:15 Morning Snacks – Coffee, tea, fruit, bagels & donuts served

Session 10 • Halocarbons & Other Trace SpeciesChaired by James Elkins Slides
08:15 - 08:30 Re-evaluation of the Lifetimes of Ozone-depleting Substances
  Stefan Reimann (EMPA, Laboratory for Air Pollution/Environmental Technology, Duebendorf, Switzerland)
08:30 - 08:45 Australian Carbon Tetrachloride Emissions:  A Paradigm for a Missing Global CCl4 Source?
  Paul Fraser (Commonwealth Scientific & Industrial Research Organization (CSIRO), Marine and Atmospheric Research, Aspendale, VIC, Australia)
08:45 - 09:00 Global and Regional Emissions Estimates for HCFC-22
  Eri Saikawa (Center for Global Change Science, Massachusetts Institute of Technology, Cambridge, MA)
09:00 - 09:15 The Ocean in Near Equilibrium with Respect to Atmospheric CH3Br
  Shari Yvon-Lewis (Texas A&M University, College Station, TX)
09:15 - 09:30 A Revised Look at the Oceanic Sink for Atmospheric CCl4
  James H. Butler (NOAA Earth System Research Laboratory, Boulder, CO)
09:30 - 09:45 Emissions of Tetrafluoromethane and Hexafluoroethane:  Balancing Anthropogenic Budgets from Atmospheric Measurements
  Jooil Kim (Seoul National University, Seoul, South Korea)

• 09:45 - 10:15Morning Break

Session 11 • Halocarbons & Other Trace SpeciesChaired by Stefan Reimann Slides
10:15 - 10:30 Nitrogen Trifluoride Global Emissions and Emission Factors Estimated from Atmospheric Observations
  Tim Arnold (Scripps Institution of Oceanography, University of California at San Diego, La Jolla, CA)
10:30 - 10:45 Co-located Halocarbon Measurements by GC-ECDs and Medusa-GC/MS at the Shangdianzi GAW Regional Background Station, China
  Bo Yao (Chinese Academy of Meteorological Sciences, China Meteorological Administration, Beijing, China)
10:45 - 11:00 Ambient Mixing Ratios and Emissions of Chlorofluorocarbons (CFCs), Hydrochlorofluorocarbons (HCFCs) and Hydrofluorocarbons (HFCs) in the Pearl River Delta Region, China
  Wu Jing (Peking University, College of Environmental Sciences and Engineering, Bejing, China)
11:00 - 11:15 Carbonyl Sulfide Measurements in Antarctic Ice Cores:  COS Loss to Hydrolysis Within the Ice Matrix and Implications for Developing Atmospheric Histories
  Murat Aydin (University of California, Irvine, CA)
11:15 - 11:30 Ozone Depletion in Filaments of the Arctic Polar Vortex, Observed During the First Global Hawk UAS Science Mission
  James W. Elkins (NOAA Earth System Research Laboratory, Boulder, CO)
11:30 - 11:45 A Viable Stratospheric Transport Monitoring Program; Tracking & Improving Our Understanding of Climate Change
  Fred L. Moore (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)

• 11:45Closing Remarks - James H. Butler (NOAA/ESRL)


Poster Session Tuesday, May 15, 2012 AGENDA

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


• Ozone & Water Vapor
P-1 Adoption of a New Data Processing Scheme for Dobson Data
  Robert Evans (NOAA Earth System Research Laboratory, Boulder, CO)
P-2 Highlights of the New Multi-spectral Brewer Umkehr Ozone Profile Retrieval
  Irena Petropavlovskikh (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-3 Another Step Toward Stratospheric Ozone Recovery as Observed by Multiple Network for the Detection of Atmospheric Composition Change (NDACC) LiDARs and Satellite Instruments
  Guillaume G. Kirgis (Jet Propulsion Laboratory, California Institute of Technology, Table Mountain Facility, Wrightwood, CA)
P-4 Experimental Validation of a New Balloon-Borne Supercooled Liquid Sensor
  Emrys Hall (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-5 SkySonde, a Weather Balloon Telemetry and Data Processing System
  Allen Jordan (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-6 New Tether Ozonesonde System Developed for Uintah Basin Ozone Study in February, 2012
  Bryan J. Johnson (NOAA Earth System Research Laboratory, Boulder, CO)
P-7 Changes in Arctic Atmospheric Chemistry Linked to Ocean Sea Ice Changes
  Samuel J. Oltmans (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-8 Ozone Tropospheric and Stratospheric Trends (1995-2011) at Six Ground-based FTIR Stations (28°N to 79°N)
  James Hannigan (National Center for Atmospheric Research, Boulder, CO)
• Halocarbons & Other Trace Species
P-9 Atmospheric Chemistry of Replacement Compounds:  OH Reactivity of the (E)- and (Z)- CF3CH=CHCF3
  Munkhbayar Baasandorj (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-10 Three Decades of Continuous Monitoring of Long-lived Halocarbons
  Geoff Dutton (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-11 New High-frequency Measurements of CH4, N2O and SF6 from a High-altitude Station in Darjeeling, Eastern Himalayas, India
  Anita L. Ganesan (Center for Global Change Science, Massachusetts Institute of Technology, Cambridge, MA)
P-12 Revision of the NOAA 2006 N2O Scale
  Brad Hall (NOAA Earth System Research Laboratory, Boulder, CO)
P-13 Polyhalogenated Very Short Lived Substances (VSLS) in the Atlantic Ocean, and Their Linkages with Ocean Primary Production
  Yina Liu (Texas A&M University, College Station, TX)
P-14 The Atmospheric Distribution of Molecular Hydrogen (H2) and Related Species Observed During the HIPPO Project
  Eric Hintsa (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-15 Snapshot of Atmospheric Trace Gases “Pole to Pole” – Highlights from the HIPPO Whole Air Sampler
  Benjamin R. Miller (NOAA Earth System Research Laboratory, Boulder, CO)
P-16 Improving Our Understanding of Ozone-depleting Substances in the Upper Atmosphere
  David J. Nance (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-17 A Study of the Behavior of Mg(ClO4)2 Drying Traps Used in Gas Chromatography-Mass Spectrometry (MS) Analysis of Flasks
  Carolina Siso (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
• Carbon Cycle & Greenhouse Gases
P-18 Atmospheric Network Design in Europe
  Elena Novakovskaia (Earth Networks, Inc., Germantown, MD)
P-19 Monitoring Patterns and Anomalies Using the Dense GHG Network in the Northeastern U.S.
  Elena Novakovskaia (Earth Networks, Inc., Germantown, MD)
P-20 Emissions from Oil and Natural Gas Operations in Northeastern Utah
  Gabrielle Pétron (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-21 NOAA Mobile Laboratory Measures Oil and Gas Emmissions
  Jonathan Kofler (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-22 Evaluating New High-frequency, High-precision Measurements of δ13C-CH4 and δD-CH4 for Top-down Emissions Estimation
  Matthew Rigby (School of Chemistry, University of Bristol, Bristol, United Kingdom)
P-23 The Identification and Quantification of Greenhouse Gas Point Source Emissions Using Cavity Ring-down Spectroscopy, Complementary to Other Techniques
  Graham Leggett (Tiger Optics LLC, Warrington, PA)
P-24 Interannual Variability of Carbon Monoxide Emission Estimates Over South America from 2006 to 2010
  T. Röckmann (Institute for Marine and Atmospheric Research, Utrech University, Utrecht, Netherlands)
P-25 Temporal and Spatial Variability of the Stable Isotopic Composition of Atmospheric Molecular Hydrogen
  Thomas Röckmann (Institute for Marine and Atmospheric Research, Utrech University, Utrecht, Netherlands)
P-26 Decadal Trends in 18O of Atmospheric CO2
  Bruce H. Vaughn (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
P-27 The Monitoring Network of the MPI for Biogeochemistry, Jena for Atmospheric Greenhouse Gases, Oxygen and Their Isotopic Signatures
  Martin Heimann (Max Planck Institute (MPI) for Biogeochemistry, Jena, Germany)
P-28 Stable Isotopic Measurements of Carbon Monoxide in Air:  Work In Progress
  Isaac Vimont (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
P-29 Twenty Years Measuring CO in the Troposphere:  What Have We Learned and Where Do We Go?
  Paul Novelli (NOAA Earth System Research Laboratory, Boulder, CO)
P-30 Linking Carbon Isotopes of Methane to International Standards – Can We Close the Loop on Calibration?
  Jason P. Winokur (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
P-31 Methane Fluxes to the Atmosphere from Deepwater Hydrocarbon Sources
  Lei Hu (Texas A&M University, College Station, TX)
P-32 Toward a Combined Data-fusion Atmospheric Inversion System at Continental Scale: Structure of Flux Errors and Atmospheric Regional Variability Over North America
  Thomas Lauvaux (The Pennsylvania State University, Department of Meteorology, University Park, PA)
P-33 Seasonal Variation of the Global Carbon Fluxes Using CarbonTracker
  Kyungna Kim (National Institute of Meteorological Research / Korea Meteorological Administration, Seoul, Korea)
P-34 Studies of Carbon Isotopic Ratios in Atmospheric Methane and Some of It's Sources in India
  D.Kameswara Rao (Physical Research Laboratory, Ahmedabad, India)
P-35 INFLUX:  Model-data Comparison and the Detection Limit of the Observational Network
  Laura McGowan (The Pennsylvania State University, Department of Meteorology, University Park, PA)
P-36 Isoflux Inversion Progress Report: Towards Building a Regional Bayesian Inversion for δ13C of Terrestrial CO2 Fluxes
  Caroline Alden (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
P-37 Single-Photon LiDAR for Measuring & Monitoring Forest Carbon Fluxes
  Phil DeCola (Sigma Space Corporation, Lanham, MD)
P-38 ICOS-ATC Lab Test for GHG Instrumentation:  Presentation and First Results
  Benoit Wastine (Laboratoire des Sciences du Climat et de l'Environnement (LSCE), Orme des Merisiers, France)
P-39 Improving and Extending a CO2 Observation Network in the Pacific Northwest
  Andres Schmidt (Oregon State University, Corvallis, OR)
P-40 University of Washington (UW)-NOAA Cooperation at the Mt. Bachelor Observatory (MBO)
  Dan Jaffe (University of Washington, Department of Atmospheric Sciences, Seattle, WA)
P-41 Synoptic Process and Higher Values of CO2
  Oyunchimeg Dugerjav (Institute of Meteorology and Hydrology, Ulaanbaatar, Mongolia)
• Aerosols
P-42 Impact of Aerosols on Climate Changes in the 20th Century
  Sungbo Shim (National Institute of Meteorological Research / Korea Meteorological Administration, Seoul, Korea)
P-43 Developing Useable Black Carbon Information – Case Studies from the IASOA Network
  Sandy Starkweather (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-44 Soot Surveys in the Air and Snow During PAMARCMIP 2011 and DOSA Campaigns
  Sangeeta Sharma (Environment Canada, Toronto, Ontario, Canada)
P-45 Seasonal & Annual Variations in Aerosol Elemental Carbon (EC) Observations Over Canada:  Constraints on Changes of Fossil Fuel Emissions
  Lin Huang (Atmospheric Science Technology Directorate/ STB, Environment Canada, Toronto, Ontario, Canada)
P-46 Aerosol Optical and Radiative Properties Measured at Mt. Lulin During Biomass Burning Seasons
  Neng-Huei Lin (Department of Atmospheric Sciences, National Central University, Chung-Li, Taiwan)
P-47 Aerosol Optical Properties from the Himalayan Foothills Site During Ganges Valley Aerosol Experiment (GVAX)
  Anne Jefferson (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-48 An Inexpensive Method for Estimating Particle Pollution
  Michael M Seltzer (Fairview High School, Boulder, CO, )
P-49 A Field-deployable Polar Nephelometer
  John E. Barnes (NOAA Earth System Research Laboratory, Mauna Loa Observatory, Hilo, HI)
P-50 Assessing the Importance of Contact Ice Nucleation
  Yi-wen Huang (Massachusetts Institute of Technology (MIT), Cambridge, MA)
P-51 How Does the Nature of Rain Affect the Climate?  Black Carbon – Rain Interaction Over Eastern Himalaya, India
  Abhijit Chatterjee (Bose Institute, Department of Science and Technology, West Bengal, India)
• Observatories, Global Cooperative Measurements, & Instrumentation
P-52 Recent Science from the Cape Verde Atmopsheric Observatory (CVAO)
  James Lee (National Centre for Atmospheric Science, University of York, York, United Kingdom)
P-53 Ten Years of Observations of Ozone-depleting Substances at Monte Cimone (Italy) for Deriving Trends and Regional Emissions.
  Michela Maione (University of Urbino, Departement of Basic Sciences and Foundations, Urbino, Italy)
P-54 Comparison of Surface Measurements of Equivalent Black Carbon at Four Arctic Stations
  Taneil Uttal (NOAA Earth System Research Laboratory, Boulder, CO)
P-55 The Tiksi, Russia Hydrometeorological International Facility for Atmospheric, Terrestrial and Ocean Observations:  First Measurements and Future Plans
  Alexander Makshtas (Arctic and Antarctic Research Institute, St. Petersburg, Russian Federation)
P-56 Atmospheric Data Management at ICOS Atmospheric Thematic Center:  Collection, Processing, Archiving and Access
  Lynn Hazan (Laboratoire des Sciences du Climat et de l'Environnement (LSCE), Orme des Merisiers, France)
P-57 The ICOS Atmospheric Network and Atmospheric Thematic Center (ATC)
  Michel Ramonet (Laboratoire des Sciences du Climat et de l'Environnement (LSCE), Orme des Merisiers, France)
P-58 Measurements of Trace Gases at Lulin Atmospheric Background Station (LABS) and Dongsha Island (DSI), Taiwan
  Chang-Feng Ou Yang (Department of Chemistry, National Central University, Chung-Li, Taiwan)
• Atmospheric Radiation (Solar)
P-59 Atmospheric Radiation Measurement Program Data Quality Office Overview
  Kenneth Kehoe (University of Oklahoma, Norman, OK)
P-60 Nocturnal Aerosol Optical Depth Measurements Using a Lunar Photometer
  Robert S. Stone (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-61 Surface Fluxes and Boundary-layer Measurements in Arctic at the Eureka (Canada) and Tiksi (Russia) Climate Observatories
  Andrey Grachev (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-62 Maps of Isolines of Ultraviolet (UV)-B Dose at the Republic of Panama
  Alfonso Pino Graell (Laboratory of Atmospheric Physics of the University of Panama, El Cangrejo, Republic of Panama)
P-63 High Arctic Ultraviolet (UV) Radiation Levels in the Spring of 2011 Caused by Unprecedented Chemical Ozone Loss
  Germar Bernhard (Biospherical Instruments, San Diego, CA, )
P-64 The Antarctic, Boulder, and Mauna Loa Ultraviolet (UV) Monitoring Program Update
  Patrick Disterhoft (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-65 NEUBrew - The NOAA/Environmental Protection Agency (EPA) Brewer Spectrophotometer Ultraviolet (UV)-Ozone Monitoring Network Update
  Patrick Disterhoft (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-66 NOAA/GMD Participation in the Eleventh International Pyrheliometer Comparison (IPC-XI) September 26-October 15 2010 World Radiation Center (WRC) Davos, Switzerland
  Don Nelson (NOAA Earth System Research Laboratory, Boulder, CO)