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Orals AS2.4

AS2.4

Boundary Layers in High Latitudes: Physical and Chemical Processes Including Atmosphere-Ice Chemical Interactions (AICI)
Convener: William Neff  | Co-Conveners: Günther Heinemann , Anna Jones , V. Faye McNeill , Stefania Argentini , Philip Anderson , Thorsten Bartels-Rausch 
Orals
 / Mon, 08 Apr, 13:30–17:15  / Room B15
Posters
 / Attendance Mon, 08 Apr, 17:30–19:00  / Yellow Posters

Monday, 8 April 2013
Room B15
Chairperson: Anna Jones
13:30–13:45
EGU2013-8805
The Oxidant Production over Antarctic Land and its Export (OPALE) project: An overview of data collected in summer 2010-2011 at Dumont d'Urville and 2011-2012 at Concordia. (solicited)
Susanne Preunkert, Alexandre Kukui, Michel Legrand, Markus Frey, Slimane Bekki, Joel Savarino, Gérard Ancellet, Jennie Thomas, Jaime Gil Roca, Bruno Jourdain, Michael Kerbrat, Rodrigue Loisil, James France, and Martin King
13:45–14:00
EGU2013-7398
OH and RO2 radicals at Dome C (East Antarctica): first observations and assessment of photochemical budget
Alexandre Kukui, Rodrigue Loisil, Michael Kerbrat, Markus Frey, Jaime Gil Roca, Bruno Jourdain, Gérard Ancellet, Slimane Bekki, Michel Legrand, and Susanne Preunkert
14:00–14:15
EGU2013-8894
The atmospheric HCHO budget at coastal East and West Antarctica: Impact of photochemical productions and snow emissions
Michel Legrand, Susanne Preunkert, Guillaume Pépy, and Bruno Jourdain
14:15–14:30
EGU2013-9454
Summer emissions of nitrogen oxides from snow at Dome C (East Antarctica): a discussion of seasonal variability
Markus Frey, Neil Brough, Alexandre Kukui, Jaime Gil Roca, Joel Savarino, and Susanne Preunkert
14:30–14:45
EGU2013-4988 | presentation | presentation
Atmospheric boundary layer over the snow: results from the 2011-2012 experimental field at Dome C, Antarctica
Stefania Argentini, Igor Petenko, Angelo Viola, Giangiuseppe Mastrantonio, Ilaria Pietroni, Giampietro Casasanta, and Alessandro Conidi
14:45–15:00
EGU2013-10260
Investigations of the tropospheric halogen chemistry around Ross Island, Antarctica, during austral spring 2012
Johannes Zielcke, Denis Pöhler, Udo Frieß, Tim Hay, Karin Kreher, Lars Kalnajs, and Ulrich Platt
COFFEE BREAK
15:30–15:45
EGU2013-3514
Horizontal and vertical distribution of bromine monoxide in northern Alaska during BROMEX derived from airborne imaging-DOAS measurements
Denis Pöhler, Stephan General, Johannes Zielcke, Paul B. Shepson, Holger Sihler, Brian H. Stirm, Udo Frieß, Kerry A. Pratt, Steve Walsh, William R. Simpson, and Ulrich Platt
15:45–16:00
EGU2013-2359
Photochemical chlorine activation from artificial saline snowpacks
Sumi Wren, James Donaldson, and Jon Abbatt
16:00–16:15
EGU2013-2768
Katabatic winds and polynya dynamics in the Weddell Sea region (Antarctica)
Günther Heinemann, Lars Ebner, Verena Haid, and Ralph Timmermann
16:15–16:30
EGU2013-1413
Observational and numerical analysis of atmospheric boundary-layer response to summertime thermal and dynamic forcings in Miers Valley, Antarctica
Iman Soltanzadeh, Marwan Katurji, Peyman Zawar-Reza, and Bryan Storey
16:30–16:45
EGU2013-1822
Wind shear and the atmospheric boundary layer over the Southern Ocean
Hande Luke, Steven Siems, Michael Manton, and Danijel Belusic
16:45–17:00
EGU2013-1549
Boundary-layer processes cause GCM biases in Arctic winter
Felix Pithan, Brian Medeiros, and Thorsten Mauritsen
17:00–17:15
EGU2013-11819
Integrated Studies of Atmosphere-Surface Exchanges and Processes at the Tiksi Hydrometeorological Observatory in the Russian Far East
Taneil Uttal, Alexander Makshtas, and Tuomas Laurila