Oral Programme AS1.4

AS1.4

Clouds, Aerosols and Radiation (General Session)
Convener: Johannes Quaas  | Co-Conveners: Andrea I. Flossmann , Andreas Macke 
Oral Programme
 / Mon, 03 May, 08:30–12:00  / 13:30–17:00  / Room 14
Poster Programme
 / Attendance Mon, 03 May, 17:30–19:00  /  / Attendance 17:30–19:00
 / Attendance Mon, 03 May, 17:30–19:00  /  / Attendance 17:30–19:00
 / Attendance Mon, 03 May, 17:30–19:00  /  / Attendance 17:30–19:00  / Halls X/Y

Monday, 3 May 2010
Room 14
Chairperson: Heike Wex; Amit Teller
Aerosol-cloud interactions

08:30–08:45
EGU2010-4716
A review of our understanding of the aerosol - cloud interaction from the perspective of a bin resolved cloud scale modelling
Andrea I. Flossmann and Wolfram Wobrock
08:45–09:00
EGU2010-6874
Direct and indirect radiative effects of aerosols using the coupled system of aerosol HAM module and the Weather Research and Forecasting (WRF) model
Rabab Mashayekhi, Parviz Irannejad, Johann Feichter, and Abbas Ali Ali Akbari Bidokhti
09:00–09:15
EGU2010-11077
Sensitivity of simulated cloud droplet number concentration and cloud radiative effects to vertical velocity and aerosol population
Petri Räisänen, Harri Kokkola, Sami Niemelä, Sami Romakkaniemi, Juha Tonttila, and Heikki Järvinen
09:15–09:30
EGU2010-8331
Impact of parametric uncertainties on clouds in the present-day climate and on the indirect aerosol effect
Ulrike Lohmann and Sylvaine Ferrachat
09:30–09:45
EGU2010-5992
The effect of organic aerosols from SOA formation on estimates of the aerosol indirect effect
Joyce Penner, Guangxing Lin, and Sandy Sillman
09:45–10:00
EGU2010-4910
An estimate of the aerosol indirect effect from satellite measurements with concurrent meteorological analysis
Wenying Su, Norman Loeb, Kuan-Man Xu, and Gregory Schuster
COFFEE BREAK
Ice- and mixed-phase clouds

10:30–10:45
EGU2010-2335
Cloud glaciation by mineral dust, soot and biological particles (solicited)
Corinna Hoose, Jón Egill Kristjánsson, Susannah Burrows, Jen-Ping Chen, and Anupam Hazra
10:45–11:00
EGU2010-3772
Aerosol Effects on Upper Tropospheric Ice Clouds in NCAR CAM: Uncertainties and Challenges (solicited)
Xiaohong Liu, Xiangjun Shi, Donifan Barahona, and Athanasios Nenes
11:00–11:15
EGU2010-1501
Radiative heating in contrail cirrus
Ulrich Schumann, Bernhard Mayer, Ulrich Hamann, and Kaspar Graf
11:15–11:30
EGU2010-5613
Intercomparison of aerosol-cloud-precipitation interactions in stratiform orographic mixed-phase clouds
Andreas Muhlbauer, Tempei Hashino, Ulrike Lohmann, Zaitao Pan, Roy Rasmussen, Amit Teller, and Lulin Xue
11:30–11:45
EGU2010-11035
Optically thin ice clouds in Arctic; Formation processes
CAROLINE JOUAN, JACQUES PELON, ERIC GIRARD, JEAN-PIERRE BLANCHET, WOLFRAM WOBROCK, JEAN-FRANÇOIS GAYET, ALFONS SCHWARZENBÖCK, ISMAIL GULTEPE, JULIEN DELANOË, and GUILLAUME MIOCHE
11:45–12:00
EGU2010-1091
Indirect and Semi-Direct Aerosol Campaign (ISDAC): The Impact of Arctic Aerosols on Clouds
Greg McFarquhar and the ISDAC
LUNCH BREAK
Convective/boundary layer clouds and their role in climate

13:30–13:45
EGU2010-5343
Cross-tropopause transport by deep convective clouds and its implications in climate and chemistry (solicited)
Pao Wang
13:45–14:00
EGU2010-7314
Origin of Ice in Supercooled layer clouds influenced by lower level convection: In-situ and remote sensing measurements from a case study
Keith Bower, Thomas Choularton, and Jonathan Crosier and the Clouds
14:00–14:15
EGU2010-14746
Preliminary results from a multiscale modeling framework with a higher-order turbulence closure implemented in its cloud-resolving model component
Kuan-Man Xu and Anning Cheng
14:15–14:30
EGU2010-5762
Explicit entrainment parameterization in the general circulation model ECHAM5-HAM
Colombe Siegenthaler-Le Drian, Peter Spichtinger, and Ulrike Lohmann
14:30–14:45
EGU2010-2283
Aerosol-induced Changes in Boreal Winter Extratropical Circulation
Yi Ming and V. Ramaswamy
14:45–15:00
EGU2010-8626
Have aerosols affected precipitation variations in Europe?
Camilla Weum Stjern, Andreas Stohl, and Jón Egill Kristjánsson
COFFEE BREAK
Cloud and aerosol remote sensing

15:30–15:45
EGU2010-1663
Clear-sky remote sensing in the vicinity of clouds: what can be learned about aerosol changes? (solicited)
Alexander Marshak, Tamas Varnai, and Guoyong Wen
15:45–16:00
EGU2010-2928
Ship-based remote sensing of the atmosphere and surface energy budget observations on board RV Polarstern 2008 to 2009: An Overview
Andreas Macke and OCEANET-Team
16:00–16:15
EGU2010-5468
Remote Sensing of Aerosol-Cloud Interactions above an Ocean Platform
Gregory Schuster, Wenying Su, Bryan Fabbri, Rabindra Palikonda, and Patrick Minnis
16:15–16:30
EGU2010-5478
Global Cloud Climatologies from satellite-based InfraRed Sounders (TOVS, AIRS and IASI)
Claudia Stubenrauch, Sylvain Cros, Anthony Guignard, Raymond Armante, Alain Chédin, and Noëlle Scott
16:30–16:45
EGU2010-13403
Towards a retrieval of cloud physical properties at SEVIRI HRVIS resolution
Hartwig Deneke, Rob Roebeling, and Jan Fokke Meirink
16:45–17:00
EGU2010-13866
Use of stratocumulus cloud properties to separate precipitation and non-precipitation areas
Anja Hünerbein and Jean-Louis Brenguier