Oral Programme 8

8

Radiation Budget & Forcing
Convener: Martin Wild 
Oral Programme
 / Tue, 07 Aug, 11:00–12:30  / Room Domus Variabilis
 / Tue, 07 Aug, 14:00–14:45  / Room Cambridge
 / Wed, 08 Aug, 11:00–16:00  / Room Harvard
 / Thu, 09 Aug, 10:45–16:00  / Room Harvard
 / Fri, 10 Aug, 09:30–13:00  / Room Harvard
Poster Programme
 / Attendance Thu, 09 Aug, 16:30–18:15  / Display Thu, 09 Aug, 09:00–19:00  / Poster Hall

Tuesday, 7 August 2012
Room Domus Variabilis
Atmospheric Radiation & Climate

11:00–11:15
IRS2012-420
Constraining Climate Sensitivity using Top Of Atmosphere Radiation Measurements
S. F. B. Tett, M. J. Mineter, C Cartis, D. J. Rowlands, and P Liu
11:15–11:30
IRS2012-320
Energetics of climate models: net energy balance and meridional enthalpy transport
V. Lucarini and F. Ragone
11:30–11:45
IRS2012-191
The hemispheric distribution of reflected shortwave radiation in observations and aquaplanet climates
A. Voigt, B. Stevens, J. Bader, and T. Mauritsen
11:45–12:00
IRS2012-475
The Earth Radiation Budget and climate.
S. Dewitte, N Clerbaux, A. Ipe, A. Velazquez, E. Baudrez, S. Nevens, and I. Decoster
12:00–12:15
IRS2012-515
An Overview of Results from the GEWEX Radiative Flux Assessment
P. Stackhouse, E. Raschke, T. Wong, L. Hinkelman, S. Kinne, W. Rossow, Y. Zhang, E. Dutton, C. Long, M. Wild, N. Loeb, W. Su, T. Zhang, S. J. Cox, and J. C. Mikovitz
12:15–12:30
IRS2012-566
Global All-sky Aerosol Direct Radiative Effect from Merged CALIOP and A-train Observations
D. Winker, S. Kato, J. Tackett, and A. Omar
Lunch Break

Tuesday, 7 August 2012
Room Cambridge
Total Solar Irradiance

14:00–14:15
IRS2012-45
Improvements to the Solar Forcing Data Record
G. Kopp
14:15–14:30
IRS2012-504
Total Solar Irradiance measured by PREMOS/PICARD
W. Schmutz, A. Fehmlann, W. Finsterle, A. Shapiro, Ch. Wehrli, and G. Thuillier
14:30–14:45
IRS2012-248
Summary of a Comparative Study on the Trends in Solar Spectral Irradiance in the Ultraviolet, Visible, and Infrared Regions
J. Harder, M. Snow, J. Rice, R. Cahalan, and T. Woods

Wednesday, 8 August 2012
Room Harvard
Surface Radiation Budget

11:00–11:15
IRS2012-120
Surface radiation budget derived from CERES data and its variability
S. Kato, F. Rose, N. Loeb, D. Doelling, D. Rutan, and T. Caldwell
11:15–11:30
IRS2012-496
Earth radiation budget from a surface perspective
M. Wild, D. Folini, E.G. Dutton, and N.G. Loeb
11:30–11:45
IRS2012-185
How well do we understand the Earth's radiation budget and the role of clouds ?
E. Raschke and S. Kinne
11:45–12:00
IRS2012-346
NASA/GEWEX Surface Radiation Budget: First Look At Products With Recalibrated ISCCP
S. J. Cox, P. W. Stackhouse, S. K. Gupta, J. C. Mikovitz, and T. Zhang
12:00–12:15
IRS2012-493
The NASA GEWEX Surface Radiation Budget Project: Dataset Validation and Climatic Signal Identification
T. Zhang, P. W. Stackhouse, Jr., S. K. Gupta, S. J. Cox, and J. C. Mikovitz
12:15–12:30
IRS2012-554
An Evaluation of Satellite and Model Surface Irradiances using In-Situ Measurements: Results of the GEWEX Radiative Flux Assessment
L. Hinkelman, T. Zhang, and P. Stackhouse Jr.
Lunch Break
Aerosol Radiative Forcing I

14:00–14:15
IRS2012-232
Observationally-constrained Estimates of carbonaceous aerosol radiative forcing
C.E. Chung, V. Ramanathan, and D. Decremer
14:15–14:30
IRS2012-349
The effects of an absorbing smoke layer on MODIS marine boundary layer cloud optical property retrievals and radiative forcing
K. Meyer and S. Platnick
14:30–14:45
IRS2012-358
Radiative forcing by dust in mountain snow from imaging spectroscopy data
F. C. Seidel, T. H. Painter, S. M. Skiles, and A. C. Bryant
14:45–15:00
IRS2012-184
Vertical profiles of aerosol radiative forcing - a comparison of AEROCOM phase 2 model submissions
B. H. Samset and G. Myhre
15:00–15:15
IRS2012-75
Historical and future simulations of aerosol radiative forcing along the Representative Concentration Pathways (RCPs) with a global climate model
T. Takemura
15:15–15:30
IRS2012-502
Surface solar radiation in 20th century Europe: dimming and brightening as seen by ECHAM5-HAM
D. Folini and M. Wild
15:30–15:45
IRS2012-483
Quantification of the aerosol direct radiative effect from smoke over clouds using passive space-borne spectrometry
M. de Graaf, P. Stammes, and L.G. Tilstra
15:45–16:00
IRS2012-489
Vertical profiles of shortwave and longwave aerosol direct radiative forcing during GAMARF campaign at Lampedusa island
D. Meloni, T. Di Iorio, A. di Sarra, J. L. Gomez Amo, W. Junkermann, F. Monteleoene, G. Pace, S. Piacentino, and D. M. Sferlazzo

Thursday, 9 August 2012
Room Harvard
Top of Atmosphere Radiation Budget

10:45–11:00
IRS2012-302
Towards Improved Next-Generation Angular Distribution Models for Top-of-Atmosphere Radiative Flux Estimation from the CERES Instruments
W. Su, J. Corbett, L. Liang, Z. Eitzen, and N. Loeb
11:00–11:15
IRS2012-195
Observed effects of sastrugi on CERES top-of-atmosphere clear-sky reflected shortwave flux over Antarctica
J.G. Corbett, W. Su, and N.G. Loeb
11:15–11:30
IRS2012-217
Earth Radiation Imbalance from a Constellation of 66 Iridium Satellites: Technological Aspects
W. Wiscombe and C.J-Y. Chiu
11:30–11:45
IRS2012-478
The CERES geostationary enhanced temporally averaged flux product
D. Doelling, M. Nordeen, C. Nguyen, M. Sun, and N. Loeb
11:45–12:00
IRS2012-438
The Climate Monitoring SAF TOA Earth Radiation Budget Dataset
N. Clerbaux, E. Baudrez, I. Decoster, S. Dewitte, A. Ipe, S. Nevens, and A. Velazquez-Blazquez
12:00–12:15
IRS2012-381
Utility of Highly Elliptical Orbit for Radiation Budget and Surface Albedo Mapping Over Polar Regions
A. Trishchenko
12:15–12:30
IRS2012-47
Comparison of clear-sky outgoing far-IR flux inferred from satellite observations and computed from three newest reanalysis data sets
X. H. Chen, X. L. Huang, N. G. Loeb, and H. L. Wei
Lunch Break
Cloud Radiative Effects

14:00–14:15
IRS2012-388
Reproducing observational sampling in climate models for consistency in cloud radiative effect estimates
R. Pincus and B. Stevens
14:15–14:30
IRS2012-152
Cirrus Cloud Radiative Forcing Estimation over China
M. Min, P. Wang, X. Zong, G. Wang, J. Campbell, and Y. Li
14:30–14:45
IRS2012-540
Seasonal and Regional Diurnal Variations of Cloud Effects on Atmospheric Radiative Heating/Cooling From the ISCCP-FD Product
Y. Zhang and W. Rossow
14:45–15:00
IRS2012-374
Using ISCCP weather states to decompose cloud radiative effects
L. Oreopoulos and W. B. Rossow
15:00–15:15
IRS2012-335
What do we really know about cloud changes over the past decades?
E. Palle and B. Laken
15:15–15:30
IRS2012-25
Estimation of the contribution of small, thin, warm clouds to the radiative forcing of a cloud field, using ground based measurements
E. Hirsch, E. Agassi, and I. Koren
15:30–15:45 IRS2012-90
On the impact of the vertical variation of cloud properties on radiation (withdrawn)
S. Placidi, C.L. Brandau, D.P. Donovan, R.A. Roebeling, and H.W.J. Russchenberg
15:45–16:00
IRS2012-254
Assessment of the NASA GISS AR5 GCM Simulated Clouds and TOA Radiation Budgets using CERES-MODIS Observations
X. Dong

Friday, 10 August 2012
Room Harvard
Surface-Based Radiation Measurements

09:30–09:45
IRS2012-27
Cloud radiative budget and cloud radiative effect over the Atlantic from ship based observations
A. Macke and J. Kalisch
09:45–10:00
IRS2012-255
Measuring Greenhouse Radiation Profiles and the Radiation Budget in the atmosphere
R. Philipona and A. Kräuchi
10:00–10:15
IRS2012-70
Report of the Working Group BSRN - Baseline Surface Radiation Network
G. König-Langlo and R. Sieger
10:15–10:30
IRS2012-10
Intraseasonal to Interannual Influences on Surface Radiation and Cloud Forcing at the ARM TWP Sites
C. N. Long, S. A. McFarlane, and J. Flaherty
10:30–10:45
IRS2012-365
Validation of gridded data sets of the surface radiation budget with non-BSRN surface observations
J. Trentmann, R.W. Müller, A. Fink, F. Göttsche, and F. Olesen
10:45–11:00
IRS2012-482
Trends in surface radiation and cloud radiative effect over Switzerland in the past 15 years
S. Wacker, J. Gröbner, and L. Vuilleumier
Coffee Break
Aerosol Radiative Forcing II

11:30–11:45
IRS2012-453
Reflected, transmitted irradiance, radiative divergence and heating rate on the base of simple atmospheric optical models
I. Melnikova and A. Ginzburg
11:45–12:00
IRS2012-21
Evaluation of a relationship between aerosols and surface downward shortwave flux through an integrative analysis of modeling and observation
D. Goto, S. Kanazawa, T. Nakajima, and T. Takemura
12:00–12:15
IRS2012-32
Broadband AOD from 1909 to 2010 at Davos, Switzerland
D. Lachat, Ch. Wehrli, and H. Wanner
12:15–12:30
IRS2012-339
1D radiative transfer simulation of complex aerosol-cloud structure. Sensitivity study and implication to regional forcing estimates
L. Doppler, F. Ravetta, J. Pelon, and J. Fischer
12:30–12:45
IRS2012-274
Sensitivity of aerosol radiative forcing to mixing state and shape of the particles
Y. Derimian, O. Dubovik, D. Tanre, and T. Lapyonok
12:45–13:00
IRS2012-560
Improved flux and aerosol forcing calculation using the MODIS enhanced vegetation albedo
L Zhu, V Martins, E Sena, and H Yu