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2013 NOAA ESRL GLOBAL MONITORING ANNUAL CONFERENCE

David Skaggs Research Center, Room GC-402
325 Broadway, Boulder, Colorado 80305
May 21 and May 22, 2013

Tuesday, May 21, 2013 AGENDA

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


• 07:30 Registration Opens in GC-402 - lunch orders and posters collected at registration table

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

Session 1 • Welcome, Keynote Address and Introductory Papers — Chaired by Russ Schnell Slides
08:15 - 08:25 Welcome and Conference Overview
  James H. Butler (Director, NOAA/Earth System Research Laboratory/GMD, Boulder, CO)
08:25 - 08:35 The Earth System Research Laboratory
  Alexander E. MacDonald (Director, NOAA/Earth System Research Laboratory, Boulder, CO)
08:35 - 08:40 Introduction of Keynote Speaker
  James H. Butler (Director, NOAA/Earth System Research Laboratory/GMD, Boulder, CO)
08:40 - 09:10 Greenhouse Gases, Climate Change and Sustainability: Why Ignorance Is Not Bliss
  Jim White (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
09:10 - 09:30 The End of Cheap Fossil Fuels
  Pieter Tans (NOAA Earth System Research Laboratory, Boulder, CO)
09:30 - 09:45 Global Ocean Carbon Uptake: Magnitude, Variability and Trends
  Rik Wanninkhof (NOAA Atlantic Oceanographic and Meteorological Laboratory, Miami, FL)
09:45 - 10:00 Achievements and Prospects of the China Meteorological Administration / NOAA Bilateral Cooperation on GreenHouse Gases (GHGs)
  Lingxi Zhou (China Meteorological Administration, Chinese Academy of Meteorological Sciences, Beijing, China)

• 10:00 - 10:30 Morning Break

Session 2 • Carbon Cycle 1 — Chaired by John Miller Slides
10:30 - 10:45 Three-dimensional Behaviors of Atmospheric CO2 Revealed by the Comprehensive Observation Network for Trace Gases by Airliner (CONTRAIL) Project
  Toshinobu Machida (National Institute for Environmental Studies, Tsukuba-City, Ibaraki, Japan)
10:45 - 11:00 Global Monitoring of Atmospheric Composition by In-service Aircraft for a Global Observing System (IAGOS)-CORE Aircraft: Current Achievements and Future Developments Including Involvement of U.S. Partners
  Andreas Petzold (Institute of Energy and Climate Research, IEK-8 Troposphere, Jülich, Germany)
11:00 - 11:15 Long-term Monitoring of Long-lived Greenhouse Gases (GHGs) and Short-lived Climate Pollutants in Asia and Oceania Using Voluntary Observing Ships
  Hiroshi Tanimoto (National Institute for Environmental Studies, Tsukuba-City, Ibaraki, Japan)
11:15 - 11:30 Revision of the Historical Atmospheric CO2 Record at Cape Grim and Expansion of the Atmospheric Observation Network in the Australian Region
  Marcel van der Schoot (Commonwealth Scientific Industrial Research Organization (CSIRO), Aspendale, Australia)
11:30 - 11:45 Power Plant and Megacity CO2 Observation from Greenhouse Gases Observing SATelllite (GOSAT)
  Tom Oda (Cooperative Institute for Research in the Atmosphere, Colorado State University, Fort Collins, CO)
11:45 - 12:00 Recent Analysis of the World Meteorological Organization (WMO) CO2 Primary Standards
  Brad Hall (NOAA Earth System Research Laboratory, Boulder, CO)

• 12:00 - 13:00Catered Lunch Service - Outreach Classroom GB-124 (pre-payment of $12.00 required at registration table)

Session 3 • Carbon Cycle 2 — Chaired by Arlyn Andrews Slides
13:00 - 13:15 Tracking Changing Arctic Methane Emissions
  Ed Dlugokencky (NOAA Earth System Research Laboratory, Boulder, CO)
13:15 - 13:30 Understanding and Quantifying CO2 and CH4 Greenhouse Gas Fluxes on the Regional Scale: The Project CarboCount CH
  Dominik Brunner (EMPA, Laboratory for Air Pollution/Environmental Technology, Duebendorf, Switzerland)
13:30 - 13:45 Updated Estimates of California’s Urban and Rural Methane Emissions
  Marc L. Fischer (Lawrence Berkeley National Laboratory, Berkeley, CA)
13:45 - 14:00 Measuring CO2 and CH4 Emissions from Indianapolis: Preliminary Results from an Urban Atmospheric Inversion System
  Kenneth J. Davis (Pennsylvania State University, University Park, PA)
14:00 - 14:15 Methane Emission Flux from Indianapolis, IN: Identification and Contribution of Sources to the Total Citywide Emission
  Maria Obiminda L. Cambaliza (Purdue University, Department of Chemistry, West Lafayette, IN)
14:15 - 14:30 Estimation of CO2 Emissions from Gas Flares Using Data Collected by the Suomi National Polar-orbiting Partnership (SNPP) Visible Infrared Imaging Radiometer Suite (VIIRS)
  Chris Elvidge (NOAA National Geophysical Data Center, Boulder, CO)
14:30 - 14:45 Gateway Pages to a Multi-institution, Geographically Distributed, Network of Data Sets for Atmospheric Trace Species
  T.J. Blasing (Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, TN)
14:45 - 15:00 Measuring Carbon Dioxide from Space: Prospects for the NASA Orbiting Carbon Observatory-2 (OCO-2)
  David Crisp (Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA)

• 15:00 - 15:30 Afternoon Break

Session 4 • Aerosols — Chaired by Patrick Sheridan Slides
15:30 - 15:45 Recommendations for the Interpretation of "Black Carbon" Measurements
  John A. Ogren (NOAA Earth System Research Laboratory, Boulder, CO)
15:45 - 16:00 Updates to ESRL’s Flow-following Finite Volume Icosahedral Model (FIM)-Chem Global Modeling System and Comparison of Aerosol Optical Depth Forecasts with AErosol RObotic NETwork (AERONET) Observations
  Georg Grell (NOAA Earth System Research Laboratory, Boulder, CO)
16:00 - 16:15 Earth (and Lunar) Based Observations of Volcanic Emissions to the Stratosphere – An Update Through 2011
  Richard A. Keen (University of Colorado, Emeritus, Department of Atmospheric and Oceanic Sciences, Boulder, CO)
16:15 - 16:30 Recent Anthropogenic Increases in Sulfur Dioxide from Asia Have Minimal Impact on Stratospheric Aerosol
  Ryan R. Neely III (National Center for Atmospheric Research, Atmospheric Chemistry Division, Boulder, CO)
16:30 - 16:45 Initial Study of the Roles of Chemical Composition and Meteorology on Aerosol Radiative Effects in the Southeast U.S. - Results from a Regionally-representative Site
  Yong Zhou (Appalachian State University, Department of Chemistry, Boone, NC)

• 17:00 - 20:00Poster Session (DSRC Cafeteria) with appetizers and refreshments


Wednesday, May 22, 2013 AGENDA

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

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

Session 5 • Ozone and High Altitude Water Vapor — Chaired by Sam Oltmans Slides
08:00 - 08:15 Southern Hemisphere Additional Ozonesondes (SHADOZ): Recent Accomplishments and Upcoming Activities with NOAA/GMD
  Anne M. Thompson (Pennsylvania State University, Department of Meteorology, University Park, PA)
08:15 - 08:30 Contributions of Atmospheric Dynamics and Chemistry to Total Ozone Variability and Trends Across the United States: A Case Study Based on Long-term Ground Based Data Sets
  Irina Petropavlovskikh (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
08:30 - 08:45 South Pole Ozonesonde and Dobson Spectrophotometer Measurements in 2012
  Bryan Johnson (NOAA Earth System Research Laboratory, Boulder, CO)
08:45 - 09:00 Global Surface Ozone Trends, a Synthesis of Recently Published Findings
  Owen R. Cooper (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
09:00 - 09:15 Changes in the Polar Vortex: Effects on Antarctic Total Ozone Observations at Various Stations and Antarctic Surface Climate Characteristics
  Birgit Hassler (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
09:15 - 09:30 Influences of the Asian Monsoon on Upper Troposphere and Lower Stratosphere (UTLS) Water Vapor, Ozone and Ice Particles: New Results from Kunming, China
  Dale Hurst (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
09:30 - 09:45 An Update on the Status of the Global Climate Observing System (GCOS) Reference Upper Air Network (GRUAN)
  Greg Bodeker (Bodeker Scientific, Alexandra, New Zealand)

• 09:45 - 10:15Morning Break

Session 6 • Halocarbons and Non-CO2 Greenhouse Gases — Chaired by James Elkins Slides
10:15 - 10:30 The InGOS Project: Setup and First Results
  Alex T. Vermeulen (Energy Research Center (ECN) of the Netherlands, Petten, The Netherlands)
10:30 - 10:45 Quantifying Sources of Methane Using Light Alkanes in the Los Angeles Basin, California
  Jeff Peischl (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
10:45 - 11:00 Regional Emission Estimates of Selected Anthropogenic Greenhouse Gases (HFC-134a, HCFC-22, and CH4) from California
  Lei Hu (NOAA Earth System Research Laboratory, Boulder, CO)
11:00 - 11:15 14C-based Emission Estimates for Halocarbons and Other Greenhouse Gases Across the U.S.
  Steve Montzka (NOAA Earth System Research Laboratory, Boulder, CO)
11:15 - 11:30 NOAA Global Monitoring Division HIAPER Pole-to-Pole Oberservations (HIPPO) Data Past and Future: Transport and Chemistry in the Troposphere
  Fred L. Moore (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
11:30 - 11:45 Non-Methane HydroCarbons (NMHCs) at the World Meteorological Organization (WMO) - Global Atmophere Watch (GAW) Monte Cimone Station:  Trends, Seasonal Variation and Source Characterization
  Michela Maione (University of Urbino, Department of Basic Sciences and Foundations, Urbino, Italy)
11:45 - 12:00 Atmospheric Lifetimes of CCl3F (CFC-11) and NF3: Temperature Dependent Ultraviolet (UV) Absorption Cross Sections
  Max R. McGillen (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)

• 12:00 - 13:00Catered Lunch Service - Outreach Classroom GB-124 (pre-payment of $12.00 required at registration table)

Session 7 • Radiation — Chaired by Joseph Michalsky Slides
13:00 - 13:15 Variability of the Total Surface Radiation Budget and Its Components Over the United States from 1996 Through 2011
  John A. Augustine (NOAA Earth System Research Laboratory, Boulder, CO)
13:15 - 13:30 Multivariate Linear Regression Technique for Computing Solar Irradiance Estimations Using the SURFRAD and Integrated Surface Irradiance Study (ISIS) Networks
  Christopher Clack (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
13:30 - 13:45 Ground-based Radiation Budget and Aerosol Validation of the Geostationary Operational Environmental Satellite R-Series (GOES-R) Products Using a NOAA Mobile SURFRAD Station
  Kathleen Lantz (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
13:45 - 14:00 Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) Climate Research Facilities: Updates on Barrow, Oliktok, Atqasuk, Unmanned Aerial Vehicles, Tethered Balloons, Field Campaigns and Selected Significant Results
  Mark Ivey (Sandia National Laboratories, Albuquerque, NM)
Session 8 • Gas and Oil Fields 1: Winter Ozone — Chaired by Russ Schnell Slides
14:00 - 14:15 Observations of Wintertime Ozone Production in the Uintah Basin of Utah in 2013
  Samuel Oltmans (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
14:15 - 14:30 Non-Methane Hydrocarbons During Winter Ozone Production Events in the Uintah Basin
  Chelsea Stephens (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)

• 14:30 - 14:45Afternoon Break

Session 9 • Gas and Oil Fields 2: Oil Field Winds and Methane — Chaired by Gabrielle Petron Slides
14:45 - 15:00 Emissions of CH4 from Natural Gas Production in the United States Using Aircraft-based Observations
  Colm Sweeney (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
15:00 - 15:15 Observing Boundary Layer Properties with Doppler Lidar for Mass-balance Estimates of Greenhouse Gas Emissions
  R. Michael Hardesty (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
15:15 - 15:30 Using Laser-based Technology to Quantify Fugitive Methane Emission Rates Quickly and Easily
  Tracy Tsai (Picarro Inc, Santa Clara, CA)
15:30 - 15:45 Quantifying the Relative Contribution of Natural Gas Fugitive Emissions to Total Methane Emissions in Colorado, Utah and Texas Using Mobile δ13CH4 Analysis
  Chris W. Rella (Picarro Inc, Santa Clara, CA)
15:45 - 16:00 Locating and Quantifying Methane Gas Emissions Using Remotely Obtained Concentration Data from Aircraft
  Bill Hirst (Shell Global Solutions International B.V., The Hague, The Netherlands)
16:00 - 16:15 Ground Measurements of Ethane to Methane Ratios in the Dallas/Fort-Worth Area
  Tara Yacovitch (Aerodyne Research, Inc., Billerica, MA)

• 16:15Closing Remarks - Dr. Russ Schnell (NOAA/Earth System Research Laboratory/GMD)


Poster Session Tuesday, May 21, 2013 AGENDA

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

• Gas and Oil Field Ozone and Effluents
P-1 Emissions from Oil and Gas Operations and Their Role in Ozone Production in the Uintah Basin, Utah
  Jeong-Hoo Park (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
P-2 Exceptionally Elevated Winter Photochemical Ozone Production in the Uintah Basin, Utah
  Russell C. Schnell (NOAA Earth System Research Laboratory, Boulder, CO)
P-3 Ozone Vertical Profiles and Buildup During the 2013 Uintah Basin Winter Ozone Study
  Jason Evans (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
P-4 Emissions from Three Oil and Gas Facilities Off the Gulf Coast of Mexico
  Scott Herndon (Aerodyne Research, Inc., Billerica, MA)
P-5 Increased Surface Ozone with Relation to Wildfires in the Western United States (U.S.)
  Audra McClure-Begley (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-6 Taking Science on the Road
  Jonathan Kofler (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-7 Addressing Science and Policy Needs with Community Emissions Efforts
  Claire Granier (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
• Chinese Atmospheric Watch Regional Measurements and Cape Verde CVAO
P-8 The Current Status and Future of the China Atmosphere Watch (CAW) Program of the China Meteorological Administration (CMA)
  Kejun Wu (China Meteorological Administration, Meteorological Observation Center, Beijing, China)
P-9 Trend of Acid Rain Over China Since the 1990s
  Jie Tang (China Meteorological Administration, Meteorological Observation Center, Beijing, China)
P-10 Science Highlights from the Cape Verde Atmospheric Observatory (CVAO)
  Katie Read (University of York, National Centre for Atmospheric Science, York, United Kingdom)
• NOAA Earth information Services and "Elementa", a New Scientific Journal
P-11 Interactive Visualization Using NOAA's Earth Information Services and TerraViz
  Eric Hackathorn (NOAA Earth System Research Laboratory, Boulder, CO)
P-12 Elementa: Science of the Anthropocene – A New Nonprofit, Open-access Journal Publishing Scientific Research Specific to the Anthropocene in a Multidisciplinary Format
  Detlev Helmig (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
• Carbon Cycle - Carbon Dioxide
P-13 Quantification of Urban Fossil Fuel CO2 Emissions from the Indianapolis Flux Project (INFLUX)
  Colm Sweeney (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-14 Combining CO2 Observations from Towers, Aircraft Profiles and a Car-mounted Instrument Using a Combination of Transport Modeling and Neural Networks
   Andres Schmidt (Oregon State University, Corvallis, OR)
P-15 A Multi-year Record of Airborne CO2 Observations in the U.S. Southern Great Plains
  Sebastien C. Biraud (Earth Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA)
P-16 How Well Tall Tower Measurements Characterize the Mid-Planetary Boundary Layer (PBL) CO2 Mole Fraction
  Laszlo Haszpra (Hungarian Meteorological Service, Geodetic & Geophysical Institute, Research Centre for Astronomy & Earth Sciences, Hungarian Academy of Science, Budapest, Hungary)
P-17 Progress Towards a Multi-year Continental Inversion Using The Weather Research and Forecast (WRF) - Lagrangian Particle Dispersion Model and the North American Tower Network
  Kenneth Davis (Pennsylvania State University, University Park, PA)
P-18 Full Column Greenhouse Gas Profiles Measured with AirCore at the Atmospheric Radiation Measurement (ARM) Southern Great Plains (SGP) Site
  Marc L. Fischer (Lawrence Berkeley National Laboratory, Berkeley, CA)
P-19 Air as Syrup – The Flow and Mixing of Air in the AirCore
  Pieter Tans (NOAA Earth System Research Laboratory, Boulder, CO)
P-20 Earth Networks’ Atmospheric GreenHouse Gas (GHG) Observations for Research and Modeling at Multiple Scales
  Elena Novakovskaia (Earth Networks, Inc., Germantown, MD)
P-21 Variations of CO2 Mixing Ratios in the Air Near the Ground in the European Territory of Russia
  Felix Kashin (Federal State Budgetary Institution Research and Production Association “Typhoonâ€, Obninsk, Russia)
P-22 Estimation of Anthropogenic Emission of Carbon Dioxide from Measurement Data of CO2 Concentration Obtained in Obninsk and at the World Meteorological Organization (WMO)/Global Atmosphere Watch (GAW) Stations
  Felix Kashin (Federal State Budgetary Institution Research and Production Association “Typhoonâ€, Obninsk, Russia)
• Carbon Cycle - Methane, Carbon Monoxide, NMHCs and Isotopes
P-23 Investigation of the Ethane-Methane Relationship at the NOAA Global Cooperative Air Sampling Network Sites
  Angelica L. Hollister (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
P-24 Long-term Decline of Global Atmospheric Ethane Concentrations and Implications for Methane
  Isobel J. Simpson (University of California at Irvine, Department of Chemistry, Irvine, CA)
P-25 Tracking Variability in Methane Source Signatures in the NOAA Global Cooperative Air Sampling Network
  Sylvia E. Michel (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
P-26 A Multi-tower Measurement Network Estimate of California’s Methane Emissions
  Marc L. Fischer (Lawrence Berkeley National Laboratory, Berkeley, CA)
P-27 Influences of Asian Continental Outflow on the Trace Gas Levels at Dongsha Island in the South China Sea
  Chang-Feng Ou-Yang (National Central University, Department of Chemistry and Department of Atmospheric Sciences, Jhongli, Taiwan)
P-28 Global Reanalysis of Reactive Gases in the Monitoring Atmospheric Composition and Climate (MACC) Project: Validation with in Situ and Satellite Observations
  Idir Bouarar (LATMOS, Université Pierre et Marie Curie and Centre National de la Recherche Scientifique, Paris, France)
P-29 The World Meteorological Organization (WMO) Central Calibration Laboratory for Carbon Monoxide
  Paul Novelli (NOAA Earth System Research Laboratory, Boulder, CO)
P-30 Sensitivity Study of Impact of Isoprene Emission Estimates on Modeled CO Concentration
  Katerina Zemankova (LATMOS, Université Pierre et Marie Curie and Centre National de la Recherche Scientifique, Paris, France)
P-31 Climatology and Atmospheric Chemistry of Non-Methane Hydrocarbon Emissions Over the North Atlantic
  Mauricio Muñoz (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
P-32 Recent Increase in Seasonal Amplitudes of CO2 and δ13CO2 Over Canada and Their Implications
  Lin Huang (Environment Canada, Climate Research Division, Atmospheric Science Technology Directorate/STB, Toronto, Canada)
P-33 Can We Use δ13C of CO2 to Understand the Links Between the Water and Carbon Cycles and Climate?
  Caroline Alden (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
• Halocarbons
P-34 Validation of Satellite Ozone-depleting Substance Measurements with Airborne Platforms
  J. David Nance (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-35 Recent Results from the Airborne Tropical Tropopause Experiment (ATTREX)
  Eric J. Hintsa (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-36 An Updated Record of Long-lived Halocarbons
  Geoffrey S. Dutton (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-37 Quarter Century of NOAA Airborne Observations of Halocarbons and Other Atmospheric Trace Species
  James W. Elkins (NOAA Earth System Research Laboratory, Boulder, CO)
P-38 A Novel Cryogenic Analyte Preconcentration Module for Trace Gas and Isotopic Analyses
  Benjamin R. Miller (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-39 Atmospheric Chemistry of Methyl-Perfluoro-Heptene-Ethers (MPHEs):  OH Radical Reaction Rate Coefficients, Atmospheric Lifetimes and Global Warming Potentials
  Aaron M. Jubb (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
• Aerosols, Radiation and Water Vapor
P-40 A 23-year Record of Twice-weekly Aerosol 1 Composition Measurements at Mauna Loa Observatory
  Nicole Hyslop (University of California at Davis, Crocker Nuclear Laboratory, Davis, CA)
P-41 Gypsum Aerosol Downwind of White Sands, NM
  Warren H. White (University of California at Davis, Crocker Nuclear Laboratory, Davis, CA)
P-42 Laboratory Studies of Filter-based Aerosol Light Absorption Measurements
  Patrick Sheridan (NOAA Earth System Research Laboratory, Boulder, CO)
P-43 Short-term Variability of Aerosol Optical Properties at NOAA’s Federated Aerosol Network
  Elisabeth Andrews (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-44 Atmospheric Research of The Atmosphere, ClImate and Radiation in Extremadura (AIRE) Group at the University of Extremadura (Spain)
  Ana Alvarez Piedehierro (University of Extremadura, Department of Physics, Badajoz, Spain)
P-45 A Characterization of Arctic Aerosols and Their Forcing of the Surface Radiation Budget
  Robert S. Stone (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-46 Observations of Water Vapor and Total Water in the Extremely Dry Tropical Tropopause Layer (TTL) from the NASA Global Hawk
  Andrew Rollins (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
P-47 Two Years of Continuous Water Vapor Isotope Ratio Measurements at Mauna Loa: A New Glimpse Into Humidity Controls in the Subtropics
  Adriana Bailey (Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO)
• Additional Oil and Gas Effluents
P-48 An Airborne Study of Methane Point Source Dispersion and Mixed Layer Scaling
  Stephen Conley (University of California at Davis, Davis, CA)