EGU General Assembly 2008
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  Oral Programme - AS1.04 Clouds, Aerosols and Radiation (General Session)

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Convener: Quaas, J.
Co-Convener: Spichtinger, P., Stubenrauch, C.
Co-Sponsorship:

Monday, 14 April 2008

Lecture Room: Lecture Room 10

Chairperson: KRISTJANSSON, J.E.

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15:30 - 15:45
EGU2008-A-03503;  AS1.04-1MO4O-001
Govaerts, Y.M.; Wagner, S.
Definition of typical spherical and non-spherical aerosol classes from AERONET data for optical thickness retrieval from space observations

15:45 - 16:00
EGU2008-A-10949;  AS1.04-1MO4O-002
Balkanski, Y. ; Tsigaridis, K.; Schulz, M.
Quantification of the uncertainty in direct radiative forcing from aerosol state of mixing, size distribution and hygroscopicity

16:00 - 16:15
EGU2008-A-05030;  AS1.04-1MO4O-003
Stier, P.; Seinfeld, J.H.; Lohmann, U.; Quaas, J.
Quantification of uncertainties associated with indirect aerosol effect parameterizations of various complexities

16:15 - 16:30
EGU2008-A-10384;  AS1.04-1MO4O-004
Cahalan, R.; Marshak, A.; Coakley, J.; Loeb, N.; Remer, L.; Varnai, T.; Wen, G.
Apparent Bluing of Aerosols Near Clouds

16:30 - 16:45
EGU2008-A-02759;  AS1.04-1MO4O-005
Horvath, A; Soden, B
Influence of Saharan Air Layer on convective development: the Lagrangian approach

16:45 - 17:00
EGU2008-A-02933;  AS1.04-1MO4O-006
Jiang, J. ; Su, H.; Schoeberl, M.; Massie, S.; Colarco, P.; Platnick, S.
The aerosol impact on cirrus clouds and precipitation

17:00
COFFEE BREAK

Tuesday, 15 April 2008

Lecture Room: Lecture Room 10

Chairperson: BALKANSKI, Y.

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8:30 - 8:45
EGU2008-A-09215;  AS1.04-1TU1O-001
Martins, E; Noël, V; Chepfer, H
Subvisible cirrus clouds at global scale from CALIPSO lidar observations

8:45 - 9:00
EGU2008-A-04162;  AS1.04-1TU1O-006
Slawinska, J.; Pawlowska, H.; Morrison, H.; Grabowski, W. W.
Impact of entrainment and mixing on trade-wind shallow convection: implications for indirect aerosol effects

9:00 - 9:15
EGU2008-A-02925;  AS1.04-1TU1O-002
Heymsfield, A; Field, P; Rogers, D; Stith, J
Observations of ice production via heterogeneous nucleation in lenticular and layer clouds for temperatures from -7 to -34C

9:15 - 9:30
EGU2008-A-04831;  AS1.04-1TU1O-003
Baumgardner, D.; Kok, G.L.; R. Subramanian, R.; Twohy, C.
Evidence for ice crystal scavenging of light absorbing carbon (LAC) particles

9:30 - 9:45
EGU2008-A-00324;  AS1.04-1TU1O-004
Brandau, C.; Russchenberg, H.W.J; Knap, W.
Evaluation of ground-based remotely sensed water cloud properties using aircraft in-situ measurements

9:45 - 10:00
EGU2008-A-07930;  AS1.04-1TU1O-005
Rose, D.; PRIDE-PRD2006 Team
Size-resolved measurements of cloud condensation nuclei (CCN) in polluted continental air near the megacities Beijing and Guangzhou, China

10:00
COFFEE BREAK

Chairperson: STIER, P.

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10:30 - 10:45
EGU2008-A-03961;  AS1.04-1TU2O-001
Stammes, P.; Wang, P.; Fournier, N.; van der A, R.
Trends in global cloud properties from satellite observations of the oxygen A-band

10:45 - 11:00
EGU2008-A-06500;  AS1.04-1TU2O-002
Devasthale, A.; Grassl, H.
Can we infer the impact of ship emissions on clouds from the long-term satellite measurements?

11:00 - 11:15
EGU2008-A-06841;  AS1.04-1TU2O-003
Rodriguez De Leon, R.; Lee, D. S.; Kramer, M.; Thelen, J.C.
Sensitivity of linear contrail radiative forcing

11:15 - 11:30
EGU2008-A-10141;  AS1.04-1TU2O-004
Bodas-Salcedo, A.; Webb, M. J.; Brooks, M. E.; Ringer, M. A.; Milton, S. F.; Wilson, D. R.
Evaluation of clouds in the Met Office global forecast model using CloudSat data

11:30 - 11:45
EGU2008-A-08833;  AS1.04-1TU2O-005
Venema, V; Gimeno Garcia, S; Simmer, C
A new algorithm for the downscaling of 3-dimensional cloud fields

11:45 - 12:00
EGU2008-A-08748;  AS1.04-1TU2O-006
Kurowski, M.J.; Grabowski, W.W.; Malinowski, S.P.
Entrainment and mixing at the top of stratocumulus in LES simulations

12:00
LUNCH BREAK

Chairperson: STAMMES, P.

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13:30 - 14:00
EGU2008-A-12179;  AS1.04-1TU3O-001
Kristjánsson, J. E.; Stjern, C. W.; Stordal, F.; Fjćraa, A. M.; Myhre, G.; Jónasson, K.
Cosmic rays and clouds - a reassessment using MODIS data (solicited)

14:00 - 14:15
EGU2008-A-04530;  AS1.04-1TU3O-002
Raschke, E.; Kinne, S.; Bakan, S.; Rossow, W.; Zhang, Y.-C.
The effect of ancillary data on components of the earth's radiation budget as computed from satellite measurements

14:15 - 14:30
EGU2008-A-08471;  AS1.04-1TU3O-003
Di Giuseppe, F.; Tompkins, A.M.
Generalizing cloud overlap treatment to include solar Zenith angle effects on cloud geometry

14:30 - 14:45
EGU2008-A-07536;  AS1.04-1TU3O-004
Zinner, T.; Platnick, S.; Ackerman, A.
Impact of drizzle and 3D cloud structure on remote sensing of effective radius

14:45 - 15:00
EGU2008-A-03061;  AS1.04-1TU3O-005
Fomin, B.
Revision of basic principles for parameterization of cloud/aerosol radiation in GCMs

15:00
END OF SESSION




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