RO-049 — 14:30 – 14:45

INCREASING CONCENTRATIONS OF ATMOSPHERIC MERCURY MEASURED IN THE CANADIAN WESTERN SUB-ARCTIC

Authors: STEFFEN, Alexandra 1 ; STUPPLE, Geoffrey 1 ; DASTOOR, Ashu 2 ;
(1) Environment and Climate Change Canada, Science and Technology Branch, Air Quality Research Division, Toronto, Ontario, Canada; (2) Environment and Climate Change Canada, Science and Technology Branch, Air Quality Research Division, Montreal, Quebec, Canada

RO-050 — 14:45 – 15:00

MERCURY EMISSION AND DEPOSITION FROM VOLCANIC SYSTEMS IN CENTRAL AMERICA

Authors: KUSHNER, D. 1 ; ARMSTRONG, Debbie 1 ; RÜDIGER, Julian 2 ; MARTINEZ-CRUZ, Maria 3 ; FERRUFINO, Arnoldo 4 ; DE MOOR, J. 3 ; ROJAS-MARIN, Jose 3 ; LEAN, David 3 ; WANG, Feiyue 1 ;
(1) University of Manitoba, Winnipeg, Canada; (2) Johannes Gutenberg-Universität Mainz, Mainz, Germany; (3) National University of Costa Rica, Heredia, Costa Rica; (4) Instituto Nicaragüense de Estudios Territoriales, Managua, Nicaragua

RO-051 — 15:00 – 15:15

CARIBIC OBSERVATIONS OF MERCURY IN THE UPPER TROPOSPHERE AND LOWER STRATOSPHERE

Authors: SLEMR, Franz 1 ; EBINGHAUS, Ralf 2 ; WEIGELT, Andreas 2 ; BRENNINKMEIJER, Carl 1 ; RAUTHE-SCHÖCH, Armin 3 ; HERMANN, Markus 4 ; ZAHN, Andreas 5 ; VAN VELTHOVEN, Peter 6 ; MARTINSSON, Bengt 7 ; ZIEREIS, Helmut 8 ;
(1) Max-Planck-Institute for Chemistry, Mainz, Germany; (2) Helmholtz-Zentrum Geesthacht, Geesthacht, Germany; (3) Max-Planck-Institue for Chemistry, Mainz, Germany; (4) Leibniz-Institute for Tropospheric Research, Leipzig, Germany; (5) Karlsruhe Institute of Technology, Karlsruhe, Germany; (6) Royal Netherlands Meteorological Institute, de Bilt, the Netherlands; (7) University of Lund, Lund, Sweden 8Deutsches Zentrum für Luft-und Raumfahrt, Oberpfaffenhofen, Germany

RO-052 — 15:15 – 15:30

TREND AND SOURCE-RECEPTOR RELATIONSHIP OF ATMOSPHERIC MERCURY OBSERVED AT A TROPICAL MOUNTAIN BACKGROUND SITE IN EAST ASIA IN 2006-2016

Authors: SHEU, Guey -rong 1 ; NGUYEN, Ly 1 ; LIN, Da -wei 1 ; LIN, Neng -huei 1 ;
(1) National Central University, Taoyuan, Taiwan

RO-053 — 15:30 – 15:45

SPECIATED ATMOSPHERIC MERCURY MEASUREMENTS AT THE MAUNA LOA, HAWAII AMNET SITE: PATTERNS, TRENDS, AND SOURCES

Authors: LUKE, Winston 1 ; KELLEY, Paul 1 ; REN, Xinrong 1 ; COHEN, Mark 1 ; ARTZ, Richard 1 ; OLSON, Mark 2 ; SCHMELTZ, David 3 ; KOBAYASHI, Nash 4 ; COLTON, Aidan 4 ;
(1) NOAA/Air Resources Laboratory, College Park, MD, USA; (2) Illinois State Water Survey, Champaign, IL, USA; (3) EPA/Clean Air Markets Division, Washington, DC, USA; (4) NOAA/Earth System Research Laboratory, Hilo, HI, USA

RO-054 — 15:45 – 16:00

USE OF CATION EXCHANGE MEMBRANES TO CORRECT GOM LOSS FROM DENUDERS AT THE HIGH ALTITUDE PIC DU MIDI OBSERVATORY

Authors: MARUSCZAK, Nicolas 1 ; SONKE, Jeroen 1 ; FU, Xuewu 2 ; JISKRA, Martin 1 ;
(1) CNRS - University of Toulouse, Toulouse, France; (2) SKLEG-CAS, Guiyang, China

RO-055 — 16:00 – 16:15

CONTROLLING FACTORS OF MERCURY WET DEPOSITION AND PRECIPITATION CONCENTRATIONS IN UPSTATE NEW YORK

Authors: YE, Zhuyun 1 ; MAO, Huiting 1 ; DRISCOLL, Charles 2 ; HOGREFE, Christian 3 ; VOLKAMER, Rainer 4 ; ZHANG, Yanxu 5 ; JAEGLE, Lyatt 6 ;
(1) Department of Chemistry, State University of New York College of Environmental Science and Forestry, Syracuse, NY, USA; (2) Department of Civil and Environmental Engineering, Syracuse University, Syracuse, NY, USA; (3) Emissions and Model Evaluation Branch, Atmospheric Modeling and Analysis Division, NERL, ORD, U.S. EPA, Research Triangle Park, NC, USA; (4) Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO, USA; (5) School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA; (6) Department of Atmospheric Sciences, University of Washington, Seattle, WA, USA

RO-056 — 16:15 – 16:30

MODELLING OF ATMOSPHERIC MERCURY IN SOUTH AFRICA

Authors: HEDGECOCK, Ian 1 ; DJOLOV, George 2 ; GENCARELLI, Christian 1 ; MBEDZI, Maluta 3 ; RAMANDH, Avishkar 4 ; PIRRONE, Nicola 5 ;
(1) CNR-Institute of Atmospheric Pollution Research, Rende, Italy; (2) University of Pretoria, Pretoria, Republic of South Africa; (3) Eskom Holdings SOC Limited, Johannesburg, Republic of South Africa; (4) Sasol Technology R&D (Pty) Limited, Johannesburg, Republic of South Africa; (5) CNR-Institute of Atmospheric Pollution Research, Rome, Italy