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Agenda for Tuesday, May 23
Agenda for Wednesday, May 24
Poster Agenda

** Data may be preliminary and should not be quoted or distributed without first contacting the author **

2017 NOAA ESRL GLOBAL MONITORING ANNUAL CONFERENCE

David Skaggs Research Center, Room GC-402
325 Broadway, Boulder, Colorado 80305
May 23 and May 24, 2017

Tuesday, May 23, 2017 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 - 08:15 Morning Snacks - coffee, tea, fruit, bagels and donuts served

Session 1 • Welcome, Keynote Address & Highlights — Chaired by Russell C. Schnell Slides
08:15 - 08:30 Welcome and Conference Overview
  James H. Butler (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
08:30 - 09:00 Keynote Address - Climate, Melting Ice and Rising Seas: Observing and Understanding to Reduce Risks
  Richard B. Alley (The Pennsylvania State University, Department of Geosciences, and Earth and Environmental Systems Institute, University Park, PA)
09:00 - 09:15 Highlighted Speaker - Implications of the Continued Increase in Atmospheric Methane Burden
  Edward J. Dlugokencky (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
09:15 - 09:30 Highlighted Speaker - Black Carbon Measurements at Cape Grim, Tasmania
  Fabienne Reisen (Commonwealth Scientific and Industrial Research Organisation (CSIRO), Oceans and Atmosphere, Aspendale, Australia)
09:30 - 09:45 Highlighted Speaker - Ozone, Aerosol and Carbon Gases at the Mt. Bachelor Observatory
  Dan Jaffe (University of Washington, Seattle, WA)

9:45 - 10:15 Morning Break & Group Photo on the Stage

Session 2 • Carbon Cycle & Greenhouse Gases - Global Observations — Chaired by Stefan Schwietzke Slides
10:15 - 10:30 How We Know That Human Activities Are Driving Climate Change
  Pieter P. Tans (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
10:30 - 10:45 Sources of Systematic Differences in Global CO2 Inverse Model Results
  Benjamin Gaubert (National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO)
10:45 - 11:00 10 Years of Observation for Greenhouse Gases by Commercial Airlines in the CONTRAIL Project
  Yousuke Sawa (Meteorological Research Institute, Tsukuba, Japan)
11:00 - 11:15 Nitrous Oxide Emissions Estimated with the Carbon Tracker-Lagrange North American Regional Inversion Framework
  Cynthia Nevison (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
11:15 - 11:30 Vertical Gradients in Atmospheric CO2 as a Constraint on Southern Ocean Fluxes
  Kathryn McKain (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
11:30 - 11:45 Toward Improvement on Estimation of North American CO2 Fluxes from CarbonTracker-Lagrange: A High-Resolution Regional Inverse Modeling System for Assimilating Atmospheric CO2
  Lei Hu (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
11:45 - 12:00 Multi-species Atmospheric Inversion of Sectoral Greenhouse Gas Emissions in the Indianapolis Urban Environment
  Brian Nathan (The Pennsylvania State University, Department of Meteorology, University Park, PA)

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

Session 3 • Global Radiation — Chaired by Allison McComiskey Slides
13:00 - 13:15 Surface Energy Budget Process Relationships as a Means for Evaluating Model Performance in Central Greenland
  Matthew Shupe (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
13:15 - 13:30 Drivers and Environmental Responses to the Changing Annual Snow Cycle of Northern Alaska
  Christopher J. Cox (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
13:30 - 13:45 Arctic Heat Waves: Towards Quantifying the Role of Atmospheric Dynamics
  Robert S. Stone (Science and Technology Corporation, Boulder, CO)
13:45 - 14:00 Changing Air Quality in the Southeast U.S. and Potential Implications for Regional Solar Radiation Budget
  James Patrick Sherman (Appalachian State University, Department of Physics and Astronomy, Boone, NC)
14:00 - 14:15 Surface-measured Trends of Aerosol Optical Depth as an Indicator of Stratospheric Aerosol Trends
  John Augustine (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
14:15 - 14:30 The Hazy Space Between Cloud and Aerosol
  Chuck Long (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
14:30 - 14:45 Two Centuries of Volcanic Aerosols Derived from Lunar Eclipse Records, 1805-2015
  Richard A. Keen (University of Colorado, Emeritus, Department of Atmospheric and Oceanic Sciences, Boulder, CO)

14:45 - 15:15 Afternoon Break

Session 4 • Carbon Cycle & Greenhouse Gases - Isotopes — Chaired by Arlyn Andrews Slides
15:15 - 15:30 Detecting Trends in Fossil Fuel Emissions with 14CO2 in the Presence of Transport Errors and Biased Inventories
  Sourish Basu (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
15:30 - 15:45 Optical Detection of Radiocarbon (14C) Below Modern Levels by Cavity Ring-down Spectroscopy
  Adam J. Fleisher (National Institute of Standards and Technology (NIST), Gaithersburg, MD)
15:45 - 16:00 Unexpected and Significant Biospheric CO2 Fluxes in the Los Angeles Basin Indicated by Atmospheric Radiocarbon (14CO2)
  John B. Miller (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
16:00 - 16:15 Constraining Biospheric Exchange Processes Over North America by Joint Assimilation of Atmospheric CO2 and δ13C
  Ivar R. van der Velde (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
16:15 - 16:30 Gaseous Reference Materials to Underpin Measurements of Amount Fraction and Isotopic Composition of Greenhouse Gases
  Paul Brewer (National Physical Laboratory, Teddington, Middlesex, United Kingdom)
16:30 - 16:45 Calibration Strategies for FTIR and Other IRIS Instruments for Accurate δ13C and δ18O Measurements of CO2 in Air
  Joële Viallon (Bureau International des Poids et Mesures (BIPM), Sèvres, France)

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

Wednesday, May 24, 2017 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 - 08:00 Morning Snacks - coffee, tea, fruit, bagels and donuts served

Session 5 • Carbon Cycle & Greenhouse Gases - Methane & Carbon Monoxide — Chaired by John B. Miller Slides
08:00 - 08:15 Model Simulations of Atmospheric Methane and Their Evaluation Using AGAGE/NOAA Surface and IAGOS-CARIBIC Airborne Observations, 1997-2014
  Carl Brenninkmeijer (Max Planck Institute (MPI) for Chemistry, Atmospheric Chemistry Division, Mainz, Germany)
08:15 - 08:30 Little Evidence for Significant Increases of CH4 Emission in the U.S. Over the Past Decade
  Xin Lan (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
08:30 - 08:45 Using Observations to Understand Regional Methane Budgets
  Neil Harris (Cranfield University, Cranfield, United Kingdom)
08:45 - 09:00 Separation of Methane Emissions from Biogenic Sources and Natural Gas Based on CH4, C2H6 and NH3 Column Observations in the Colorado Front Range
  Natalie Kille (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
09:00 - 09:15 Dual Frequency Comb Measurements of Greenhouse Gases Over Boulder
  Eleanor Waxman (National Institute of Standards and Technology (NIST), Boulder, CO)
09:15 - 09:30 Improved Mechanistic Understanding of Natural Gas Methane Emissions from Spatially Resolved Aircraft Measurements
  Stefan Schwietzke (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)

9:30 - 10:00 Morning Break

Session 6 • Ozone, Water Vapor & Aerosols — Chaired by Irina Petropavlovskikh & Patrick Sheridan Slides
10:00 - 10:15 Rapid Desiccation of the Stratosphere in 2016: Connection to an Anomalous Change in the QBO
  Dale F. Hurst (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
10:15 - 10:30 Stratospheric Ozone at South Pole Begins to Show Signs of Improvement in the Yearly Ozone Hole
  Bryan J. Johnson (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
10:30 - 10:45 Out of the SHADOZ: Impacts and Uncertainties of Ozonesonde Reprocessing
  Jacquelyn Witte (Science Systems and Applications, Inc. (SSAI), Lanham, MD)
10:45 - 11:00 Global Ozone Trends: First Results from the Tropospheric Ozone Assessment Report (TOAR)
  Audrey Gaudel (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
11:00 - 11:15 Surface Ozone in the Northern Front Range and the Influence of Oil and Gas Development on Ozone Production During FRAPPÉ/DISCOVER-AQ
  Lucy Cheadle (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
11:15 - 11:30 Impacts of Increasing Aridity and Wildfires on Aerosol Loading in the Intermountain Western U.S.
  A. Gannet Hallar (University of Utah, Salt Lake City, UT)
11:30 - 11:45 Measurements of the Boundary Layer at Mauna Loa Observatory, Hawaii
  John Barnes (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
11:45 - 12:00 Ground-based and Aircraft Observations of Greenhouse Gases, Aerosols, and Other Trace Species Carried Out in Siberia, Russia
  Mikhail Arshinov (V.E. Zuev Institute of Atmospheric Optics, Siberian Branch, Russian Academy of Science (IAO SB RAS), Tomsk, Russia)

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

Session 7 • Halocarbons & Other Trace Gases — Chaired by James W. Elkins Slides
13:00 - 13:15 The Continued Slowdown in the Decline of Atmospheric CFC-11
  Stephen A. Montzka (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
13:15 - 13:30 Possible Influences of Stratospheric Transport Variability on Emission Estimates of Long-lived Trace Gases
  Eric Ray (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
13:30 - 13:45 Variability in Inter-hemispheric Exchange Inferred from Tropospheric Measurements of SF6
  Brad D. Hall (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
13:45 - 14:00 On the Emissions of HCFCs and CFCs Potentially Related to HFC Production
  Martin K. Vollmer (Swiss Federal Laboratories for Materials Science and Technology, Empa, Dübendorf, Switzerland)
14:00 - 14:15 European Emissions of the Powerful Greenhouse Gases Hydrofluorocarbons Inferred from Atmospheric Measurements and Their Comparison with Annual National Reports to UNFCCC
  Michela Maione (University of Urbino, Department of Basic Sciences and Foundations, Urbino, Italy)
14:15 - 14:30 Establishing Regular Measurements of Halocarbons at Taunus Observatory
  Tanja Schuck (Goethe University, Institute for Atmospheric and Environmental Sciences, Frankfurt, Germany)

14:30 - 15:00 Afternoon Break

Session 8 • Carbon Cycle & Greenhouse Gases - Remote Sensing — Chaired by Sourish Basu Slides
15:00 - 15:15 What Have We Learned About the Carbon Cycle from GOSAT and OCO-2?
  David F. Baker (Cooperative Institute for Research in the Atmosphere (CIRA), Colorado State University, Fort Collins, CO)
15:15 - 15:30 Assimilating NASA's Atmospheric Composition Observations in the GEOS Earth System Model
  Steven Pawson (NASA Goddard Space Flight Center (GSFC), Greenbelt, MD)
15:30 - 15:45 Using GEOS-5 Aerosols to Inform the OCO-2 CO2 Retrieval
  Robert R. Nelson (Colorado State University, Department of Atmospheric Science, Fort Collins, CO)
15:45 - 16:00 Amazonian GPP Estimated from Satellite-observed Carbonyl Sulfide Mixing Ratios
  Timothy W. Hilton (University of California at Merced, Merced, CA)
16:00 - 16:15 Five-year Survey of the U.S. Natural Gas Flaring Observed from Space with VIIRS
  Mikhail Zhizhin (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
16:15 - 16:30 Analysis on the Spatiotemporal Distribution of OCO-2 XCO2 Over South Korea
  Gawon Kim (National Institute of Meteorological Sciences, Seogwipo-si, Jeju-do, South Korea)
16:30 - 16:45 An Update on OCO-2 at the End of Prime Mission
  Christopher W. O'Dell (Cooperative Institute for Research in the Atmosphere (CIRA), Colorado State University, Fort Collins, CO)

Tuesday, May 23, 2017 Poster Session AGENDA

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


• Arctic Monitoring Poster
P-1 ARM North Slope of Alaska Facilities: Unmanned Aerial Systems and Tethered Balloon Operations
  Jasper Hardesty (Sandia National Laboratories, Albuquerque, NM)
P-2 Seasonal Cycles of Aerosol Properties Across the North Slope of Alaska: Sources and Distributions from Utqiaġvik (formerly Barrow) to Oliktok Point
  Allison McComiskey (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
P-3 Observations of the Surface Radiation Budget and Cloud Radiative Forcing From Pan-Arctic Land Stations
  Christopher J. Cox (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-4 Asian Transport Influence on Greenland Crustal Aerosols
  Nicholas Spada (University of California at Davis, Davis, CA)
P-5 Understanding the Impact of Biomass Burning on Ozone Conditions in the Arctic
  Audra McClure-Begley (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-6 Analysis of Near-surface Permafrost Monitoring Station Data from Alaska
  Kang Wang (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
• Aerosols Poster
P-7 A Comparison of Photodiode and LED Based Sunphotometer-derived AOD with NASA AERONET
  Ian Krintz (Appalachian State University, Department of Physics and Astronomy, Boone, NC)
P-8 Volatility of Materials Internally Mixed with Black Carbon from Biomass Burning
  Kara Lamb (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-9 Ambient Aerosol Extinction in Great Smoky Mountains National Park
  Tim Gordon (Handix Scientific, Boulder, CO)
P-10 Characterization of Transported Biomass-Burning Smoke from Indochina to Mt. Lulin Based on a Super Event in March of 2009
  Sheng-Hsiang Carlo Wang (National Central University, Department of Atmospheric Sciences, Chung-Li, Taiwan)
P-11 Aerosol Measurements Over Mauna Loa Observatory
  Nimmi C. P. Sharma (Central Connecticut State University, Department of Physics and Engineering Physics, New Britain, CT)
• Carbon Cycle & Greenhouse Gases - Methane & Carbon Monoxide Poster
P-12 Calibration and Field Testing of Cavity Ring-down Laser Spectrometers Measuring Methane Mole Fraction and the Isotopic Ratio of Methane, Deployed on Towers in the Marcellus Shale Region
  Natasha Miles (The Pennsylvania State University, Department of Meteorology, University Park, PA)
P-13 Methane Source Attribution in the DJ Basin Using Mobile Surveys and Computational Analytics
  Emmaline Atherton (St. Francis Xavier University, Antigonish, Nova Scotia, Canada)
P-14 Temporal Variability in Methane at Indianapolis with Implications for the Urban Methane Flux Estimates
  Nikolay Balashov (The Pennsylvania State University, Department of Meteorology, University Park, PA)
P-15 Stable Isotopes of Carbon Monoxide During Two Summers at Indianapolis, IN Show Significant Influence of Oxidized Biogenic Volatile Organic Compounds on the CO Budget
  Isaac Vimont (Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO)
P-16 Chemical Feedback from Decreasing Carbon Monoxide Emissions
  Benjamin Gaubert (National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO)
• Carbon Cycle & Greenhouse Gases - Measurements & Networks Poster
P-17 NOAA GMD’s Global Greenhouse Gas Reference Network Management, Logistics, and Importance
  Eric Moglia (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-18 NOAA Flask Measurements of Greenhouse and Trace Gases During the ACT-America Campaign
  Bianca Baier (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-19 Application of Observations from the Summer 2016 ACT-America Campaign to Constrain Modeled Regional CO2 Concentrations and Fluxes
  Brian Gaudet (The Pennsylvania State University, Department of Meteorology, University Park, PA)
P-20 Comparing Atmospheric CO2 Measurements from Two Instruments at Baring Head, New Zealand
  Sylvia Nichol (National Institute of Water and Atmospheric Research (NIWA), Wellington, New Zealand)
P-21 Introduction of the NIMS Activities on a Carbon Cycle Study
  Tae-Young Goo (National Institute of Meteorological Sciences, Seogwipo-si, Jeju-do, South Korea)
P-22 A Study of Diurnal and Seasonal Variations of Carbon Dioxide and Methane in the Eastern Highland Rim Region of Tennessee
  Wilson K Gichuhi (Tennessee Technological University, Cookeville, TN)
P-23 Can We Detect the Conversion of the Harding Street Power Plant in Indianapolis from Coal to Natural Gas Using Tower-based CO2 Mole Fraction Data Alone?
  Nikolay Balashov (The Pennsylvania State University, Department of Meteorology, University Park, PA)
• Carbon Cycle & Greenhouse Gases - Modeling & Emissions Poster
P-24 The Role of Horizontal Grid Spacing on Transport and Mixing of Passive Tracers Over Complex Terrain
  Gert-Jan Duine (University of Virginia, Charlottesville, VA)
P-25 Evaluation of the Carbon Cycle in the CMIP5 Earth System Model ESM2G
  Mark Leonard (Science and Technology Corporation, Boulder, CO)
P-26 The Estimation of CO2 Fluxes with a Coupled Meteorological and Tracer Transport  Model
  Vikram Khade (University of Toronto, Department of Physics, Toronto, Ontario, Canada)
P-27 Towards a Novel Integrated Approach for Estimating Greenhouse Gas Emissions in Support of International Agreements
  Stefan Reimann (Swiss Federal Laboratories for Materials Science and Technology, Empa, Dübendorf, Switzerland)
P-28 Quantification of NOy and CO Emissions from Washington, D.C.-Baltimore During the WINTER Campaign
  Olivia E. Salmon (Purdue University, Department of Chemistry, West Lafayette, IN)
P-29 Analysis of Long-term Observations of NOx and CO in Megacities and Application to Constraining Emissions Inventories
  Gregory Frost (NOAA Earth System Research Laboratory, Chemical Sciences Division (CSD), Boulder, CO)
P-30 Increased Propane Emissions from the United States
  Lei Hu (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-31 A Ten-Year (2006-2016) Record of Non-methane Hydrocarbons (NMHCs) in the Subtropical Marine Boundary Layer at the Cape Verde Atmospheric Observatory
  Shalini Punjabi (University of York, Department of Chemistry, Wolfson Atmospheric Chemistry Laboratories (WACL), York, United Kingdom)
P-32 Remote Tropical Island Mountaintop Measurements of Halogen Radicals and OVOCs
  Theodore Koenig (University of Colorado, Department of Chemistry and Biochemistry, Boulder, CO)
P-33 VOC Measurements Using Whole Air Sampling (WAS) During ATom-1
  Isobel J Simpson (University of California at Irvine, Department of Chemistry, Irvine, CA)
• Halocarbons Poster
P-34 First Results of Tall Tower Surface-atmosphere N2O Flux Measurements Over a Mixed Agricultural Region in Central Europe
  László Haszpra (Hungarian Meteorological Service, Budapest, Hungary)
P-35 The WMO-GAW-VOC Network with Contributions of AGAGE
  Rainer Steinbrecher (Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, Campus Alpin, Karlsruhe, Germany)
P-36 Twenty-Five Years of Airborne Observations of Ozone-Depleting and Climate-Related Gases in the Upper Troposphere and Lower Stratosphere
  James W. Elkins (NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
P-37 Sulfuryl Fluoride (SO2F2) Atmospheric Abundance and Trend from the GMD North American Tower and Aircraft Programs
  Benjamin R. Miller (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-38 Perfluoro-N-methylmorpholine (C5F11NO), a Persistent Greenhouse Gas: Laboratory Determination of Radiative Efficiency, Atmospheric Loss Processes and Global Warming Potential
  François Bernard (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
• Instrumentation - Lab & Field Poster
P-39 Development of Traceable Precision Dynamic Dilution Method to Generate Dimethyl Sulphide Gas Mixtures at Sub-nmol/mol for Ambient Measurement
  Sangil Lee (Korea Research Institute of Standards and Science, Center of Gas Analysis, Daejeon, South Korea)
P-40 Pressure Dependent CO2 Enrichment in High-pressure Aluminum Cylinders
  Michael F. Schibig (Early Postdoc.Mobility Fellow, Swiss National Science Foundation, Bern, Switzerland)
P-41 Ensuring High-quality Data from NOAA’s GC-MS Perseus Instrument
  Molly J. Crotwell (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-42 High-precision, Continuous and Real-time Measurement of Atmospheric Oxygen Using Cavity Ring-down Spectroscopy
  Jennifer Boulton (Picarro Inc., Santa Clara, CA)
P-43 Continuous, Regional Approach to Methane Source Detection and Sizing Using Dual Frequency Comb Laser Spectroscopy and Atmospheric Inversions
  Caroline Alden (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-44 2017 Cooperative Tower Network Overview and Insights
  Jonathan Kofler (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-45 Improvements to UCATS for the Atmospheric Tomography (ATom) Mission and Recent Results
  Eric J. Hintsa (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-46 Recent Methodological Advancements to the AirCore Atmospheric Profiler
  Jonathan Bent (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-47 NOAA Frost Point Hygrometer (FPH) Comparisons, Measurement Uncertainties and Recent Instrument Improvements
  Emrys Hall (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
• Ozone & Water Vapor Poster
P-48 Homogenizing NOAA's Ozonesonde Data Set Improves Comparison with Satellite-derived Vertical Ozone Profiles
  Chance W. Sterling (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-49 SHADOZ (Southern Hemisphere Additional Ozonesondes) Network Report: Updates and Station Activities
  Jacquelyn Witte (Science Systems and Applications, Inc. (SSAI), Lanham, MD)
P-50 Ozone Vertical Profile Measurements in the Northern Front Range of Colorado in July-August 2014 During FRAPPE and DISCOVER-AQ
  Samuel J. Oltmans (Retired from NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
P-51 Influence of Stratospheric Intrusions on the Lower Free Tropospheric Ozone at Lulin Atmospheric Background Station
  Chang-Feng Ou-Yang (National Central University, Department of Atmospheric Sciences, Chung-Li, Taiwan)
P-52 Regional Trend Analysis of Surface Ozone Observations from Monitoring Networks in Eastern North America, Europe and East Asia
  Kai-Lan Chang (National Research Council Post-Doc, Boulder, CO)
P-53 Overview of the Long-term Ozone Trends and Uncertainties in the Stratosphere (LOTUS) SPARC Activity
  Irina Petropavlovskikh (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-54 Removal of Seasonal Bias from Dobson Spectrophotometer Records Using Reanalysis
  Brandon Noirot (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-55 Comparison of Ozone Retrievals from the Umkehr Reprocessing Version and Satellites
  Koji Miyagawa (Guest Scientist at NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
P-56 Differences Between the Reprocessed Dobson Total Ozone and Satellite Observation Records
  Koji Miyagawa (Guest Scientist at NOAA Earth System Research Laboratory, Global Monitoring Division (GMD), Boulder, CO)
P-57 Congregation of Vapors: Towards a Synoptic View of Water Vapor in Support of Airborne IR Astronomy
  Jeffrey Van Cleve (SETI Institute, Mountain View, CA)
• Radiation Poster
P-58 A New Data Product for the NOAA Environmental UV-ozone Brewer Network (NEUBrew) Aerosol Optical Depth in the UV Spectral Region
  Patrick Disterhoft (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-59 Significant Improvements in Pyranometer Nighttime Offsets Using High-Flow, DC Ventilation
  Mark C. Kutchenreiter (National Renewable Energy Laboratory (NREL), Golden, CO)
P-60 Analysis of Solar Radiation Measurements at BSRN Lulin Candidate Station
  Nai-Ju Hsueh (National Central University, Department of Atmospheric Sciences, Chung-Li, Taiwan)
• Partner Stations & Meteorology Poster
P-61 A Length-Scale Analysis of Variance for Many Constituents from Aircraft, Satellite and Model Results During the 2013 SENEX Field Study
  Stuart McKeen (Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO)
P-62 Continuous Long-term Monitoring of Atmospheric Key Species at the GAW Global Station Hohenpeissenberg
  Dagmar Kubistin (Meteorological Observatory Hohenpeissenberg, German Meteorological Service, Hohenpeissenberg, Germany)
P-63 Long-term Measurements from the GAW Cape Verde Atmospheric Observatory (CVAO)
  J.R. Hopkins (University of York, National Centre for Atmospheric Science (NCAS), York, United Kingdom)
P-64 Lanyu (Island) Station – New Horizons of the Western Pacific Ocean in Background Atmospheric Chemistry and Radiation Observations
  Kun-Wei Lin (Central Weather Bureau, Observation Division, Taipei, Taiwan)
P-65 Variability in the Onset of Summer Monsoon Over Vietnam
  Nguyen Thi Lan Anh (Hanoi University of Natural Resources and Environment (HUNRE), Hanoi, Vietnam)
P-66 Variability and Trends of Withdraw for the Summer Monsoon Over Vietnam
  Phung Thi My Linh (Hanoi University of Natural Resources and Environment (HUNRE), Hanoi, Vietnam)
P-67 Projections of Variability and Trends of Summer Monsoon Rainfall Over Vietnam
  Nguyen Dang Mau (Vietnam Institute of Meteorology, Hydrology and Climate Change, Hanoi, Vietnam)
P-68 Study of the Diurnal Cycle of Microphysical Properties of Clouds in the Amazon Basin Using GOES Measurements
  André Cezar Pugliesi da Silva (Institute of Physics, University of São Paulo, São Paulo, Brazil)