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Orals AS1.8

AS1.8

Clouds, Aerosols and Radiation (General Session)
Convener: Philip Stier  | Co-Conveners: Heike Wex , Nicolas Bellouin 
Orals
 / Tue, 14 Apr, 13:30–17:00
 / Wed, 15 Apr, 08:30–10:00
Posters
 / Attendance Tue, 14 Apr, 17:30–19:00

Tuesday, 14 April 2015
Room B16
Chairperson: Philip Stier
13:30–14:00
EGU2015-7558
Aerosol-cloud interactions in the South-East Atlantic: knowledge gaps, planned observations to address them, and implications for global climate change modeling (solicited)
Jens Redemann, Robert Wood, Paquita Zuidema, James Haywood, Bernadette Luna, and Steven Abel
14:00–14:15
EGU2015-7777
On the competition among aerosol number, size and composition in predicting CCN variability: a multi-annual field study in an urbanized desert
Ewan Crosbie, Jong-Sang Youn, Brian Balch, Anna Wonaschuetz, Taylor Shingler, Zhen Wang, William Conant, Eric Betterton, and Armin Sorooshian
14:15–14:30
EGU2015-14557
Aerosol-Cloud Interactions Measured at Puijo Measurement Station: The effect of surrounding terrain
Sami Romakkaniemi, Antti Hellsten, Irshad Ahmad, Juha Tonttila, Antti Jaatinen, Harri Portin, Ari Leskinen, Liqing Hao, Annele Virtanen, and Mika Komppula
14:30–14:45
EGU2015-14019
Comparing droplet activation parameterisations against adiabatic parcel models using a novel inverse modelling framework
Daniel Partridge, Ricardo Morales, and Philip Stier
14:45–15:00
EGU2015-3349
Improved cloud parameterization for Arctic climate simulations based on satellite data
Daniel Klaus, Klaus Dethloff, Wolfgang Dorn, and Annette Rinke
Coffee Break
15:30–15:45
EGU2015-6008
An attempt to quantify aerosol-cloud effects in fields of precipitating trade wind cumuli
Axel Seifert and Thijs Heus
15:45–16:00
EGU2015-13165
Study of Droplet Activation in Thin Clouds Using Ground-based Raman Lidar and Ancillary Remote Sensors
Marco Rosoldi, Fabio Madonna, Pilar Gumà Claramunt, and Gelsomina Pappalardo
16:00–16:15
EGU2015-13476
Quantifying the diurnal variability of deep convection in the Congo basin using satellite observations, global and regional models.
Bethan White, Zak Kipling, Sarah Taylor, and Philip Stier
16:15–16:30
EGU2015-8415
Cloud shortwave radiative effect and cloud properties estimated from airborne measurements of transmitted and reflected light
Samuel E. LeBlanc, Jens Redemann, Michal Segal-Rosenheimer, Meloë Kacenelenbogen, Yohei Shinozuka, Connor Flynn, Philip Russell, Beat Schmid, K. Sebastian Schmidt, Peter Pilewskie, and Shi Song
16:30–16:45
EGU2015-13339
An interpretation of cloud overlap statistics
Andrian Tompkins and Francesca Di Giuseppe
16:45–17:00
EGU2015-12656
The vertical distribution of cloud regimes and their radiative impact under active phases of the Arctic Oscillation
Erik Johansson, Abhay Devasthale, Annica Ekman, Tristan L’Ecuyer, and Michael Tjernström

Wednesday, 15 April 2015
Room B16
Chairperson: Nicolas Bellouin
08:30–08:45
EGU2015-8782
Simulations of the climate effects of European air quality legislation in Pegasos
Declan O'Donnell, Ari Laaksonen, Greet Maenhout, and Frank Dentener
08:45–09:00
EGU2015-13329
The sources of variability and uncertainty in global cirrus clouds
Sylvia Sullivan, Athanasios Nenes, Ricardo Morales-Betancourt, and Donifan Barahona
09:00–09:30
EGU2015-3717
Rethinking the lower bound on aerosol radiative forcing (solicited)
Bjorn Stevens
09:30–09:45
EGU2015-7081
Strong enhancement in light absorption by black carbon due to aerosol water uptake
Laura Fierce, Francisco Mena, Nicole Riemer, Tami C. Bond, and Susanne E. Bauer
09:45–10:00
EGU2015-4472
simplified aerosol representations in global modeling
Stefan Kinne, Karsten Peters, Bjorn Stevens, Sebastian Rast, Nick Schutgens, and Philip Stier