Oral Programme 2

2

Radiative Transfer Theory & Modeling
Conveners: Bernhard Mayer , Alexander Marshak 
Oral Programme
 / Mon, 06 Aug, 11:30–18:30  / Room Harvard
 / Tue, 07 Aug, 11:00–16:00  / Room Harvard
Poster Programme
 / Attendance Tue, 07 Aug, 16:30–18:15  / Display Tue, 07 Aug, 09:00–19:00  / Poster Hall

Monday, 6 August 2012
Room Harvard
Chairperson: Jean-Luc Widlowski
Land and Sea Ice

11:30–11:45
IRS2012-270
Model for land surface reflectance treatment: physical derivation and evaluation on airborne and satellite measurements
P. Litvinov, O. Dubovik, D. Tanre, O. Hasekamp, F.-M. Bréon, and B. Cairns
11:45–12:00
IRS2012-330
Concept of Canopy Spectral Invariants and its Application to Remote Sensing of 3D Canopy Structure and Leaf Physiology (invited)
Y. Knyazikhin, M.A. Schull, P. Stenberg, M. Mõttus, M. Rautiainen, and Y. Yang
12:00–12:15
IRS2012-151
A Generic Retrieval Package for Land Parameters applied to Surface Albedo Products
B. Pinty, T. Kaminski, M. Vossbeck, J.-L. Widlowski, and S. Plummer
12:15–12:30
IRS2012-124
New approach for radiative transfer in sea ice and its application for sea ice satellite remote sensing
E. Zege, I Katsev, A Malinka, A Prikhach, and G Heygster
Lunch Break
Polarization

14:00–14:15
IRS2012-4
Can we retrieve the microphysical properties of broken clouds from polarization observation? Theoretical information content analysis (invited)
Z. Zhang, C Cornet, L C.-Labonnote, J Riedi, and S Platnick
14:15–14:30
IRS2012-209
A comparison of the scalar and vector forms of a linearized Matrix Operator Method with a focus on the speed and accuracy of calculation of both the TOA reflectances and their Jacobians with respect to atmospheric aerosol and surface parameters.
S. Sanghavi, J. V. Martonchik, F. Xu, A. B. Davis, and D. J. Diner
14:30–14:45
IRS2012-394
International working group on polarized radiative transfer
C. Emde and B. Mayer
14:45–15:00
IRS2012-505
Fast forward modelling of radar and lidar depolarization subject to multiple scattering
C. D. Westbrook, R. J. Hogan, and A. Battaglia
15:00–15:15
IRS2012-30
Line-by-Line and polarized Monte Carlo atmospheric radiative transfer model
B. Fomin and V. Falaleeva
Numerical Methods and Modeling

15:15–15:30
IRS2012-2
Direct modeling of multiple electromagnetic scattering by particulate media: A review
M. Mishchenko
15:30–15:45
IRS2012-12
Two- and four- stream combination approximations for computation of diffuse actinic fluxes
H. Zhang, F. Zhang, Q. Fu, Z.-P. Shen, and P. Lu
15:45–16:00
IRS2012-165
Update of the Doubling-Adding KNMI (DAK) radiative transfer model
P. Stammes, P. Wang, and J.F. de Haan
Coffee Break
16:30–16:45
IRS2012-295
On a new fast principal component based retrieval code
J.-C. Thelen, S. Havemann, and J.P. Taylor
16:45–17:00
IRS2012-18
On spectral invariance of single scattering albedo for weakly absorbing wavelengths
A. Marshak, Y. Knyazikhin, J.C. Chiu, and W.J. Wiscombe
17:00–17:15
IRS2012-568
A stochastic approach for representing small-scale cloud effects in radiative transfer
D. Huang, L. Yang, and W. Wiscombe
17:15–17:30
IRS2012-480
A comparison of pseudo-spectral and discrete dipole methods in numerical simulation of single particle light scattering.
R. L. Panetta, C. Liu, and P Yang
17:30–17:45
IRS2012-312
Accelerations of the discrete ordinate method for nadir viewing geometries
D. Efremenko, A. Doicu, D. Loyola, and T. Trautmann
17:45–18:00
IRS2012-376
Towards accurate Monte Carlo radar modeling including coherent backscattering
C. Pause, B. Mayer, R. Buras, and C. Emde
18:00–18:15 IRS2012-416
Parallel methods for Monte Carlo radiative transfer applied to large domains (withdrawn)
J.N.S. Cole, P. Pomorski, H.W. Barker, B. Stevens, and J.P. Mellado
18:15–18:30
IRS2012-503
Simulations of SEVIRI IR channels for the Eyjafjallajökull 2010 eruption
A. Kylling, F. Prata, A. Stohl, S. Eckhardt, B. Mayer, R. Buras, and C. Emde

Tuesday, 7 August 2012
Room Harvard
Chairperson: Tamas Varnai
Retrievals, Remote Sensing and Aircraft Measurements

11:00–11:15
IRS2012-24
Retrieving thin warm clouds properties by radiative transfer modelling and ground based spectral measurements and analysis in the longwave IR
E. Hirsch, E. Agassi, and I. Koren
11:15–11:30
IRS2012-81
On the Effective Solar Pathlength
J. Li, K. Shibata, and Q. Min
11:30–11:45
IRS2012-251
Combining Optimal Estimation and a DOAS-like approach for efficient and accurate retrievals of columns of weakly absorbing gases
J.F. deHaan and J.P. Veefkind
11:45–12:00
IRS2012-441
Developing novel Lidar systems with a sophisticated retrieval simulator
R. Buras and J. Gasteiger
12:00–12:15
IRS2012-557
The visibility of airborne volcanic ash from the flight deck of aircraft — Can a pilot distinguish ash from other aerosols? (invited)
D. N. Sauer, B. Weinzierl, A. Minikin, O. Reitebuch, F. Dahlkötter, B. Mayer, C. Emde, I. Tegen, J. Gasteiger, A. Petzold, A. Veira, U. Küppers, and U. Schumann
12:15–12:30
IRS2012-368
Results of processing airborne NASA and Russian cloud data
I. Melnikova, J.M. Genya, and Ch.K. Gatebe
Lunch Break
3D RT in Cloudy Atmospheres

14:00–14:15
IRS2012-565
Radiative transfer in three-dimensionally inhomogeneous cloud layers (invited)
G. Petty
14:15–14:30
IRS2012-552
Cloud inhomogeneities, aerosol particles, thermodynamic phase, and crystal shape in hyperspectral shortwave measurements and model calculations
K. S. Schmidt, O. Coddington, P. Pilewskie, and S. Song
14:30–14:45
IRS2012-473
Examination of Three-Dimensional (3-D) Solar Radiative Transfer Effects on Heating Rate Profiles and Fluxes for Cloudy Atmospheres Using A-Train Satellite Measurements
S. H. Ham, S. Kato, H. W. Barker, and F. G. Rose
14:45–15:00
IRS2012-391
3D radiative processes in satellite measurements of aerosol properties
T. Varnai, A. Marshak, W. Yang, and G. Wen
15:00–15:15
IRS2012-268
Assessment of cloud heterogeneities effects on brightness temperatures simulated with a 3D Monte-Carlo code in the thermal infrared
T. Fauchez, C. Cornet, F. Szczap, and P. Dubuisson
15:15–15:30
IRS2012-162
Including Three-Dimensional Radiative Transfer in a Two-Stream Radiation Scheme
J. K. P. Shonk and R. J. Hogan
15:30–15:45
IRS2012-200
Parametric 3D Atmospheric Reconstruction in Highly Variable Terrain with Recycled Monte Carlo Paths and an Adapted Bayesian Inference Engine
I. Langmore, A.B. Davis, G. Bal, and Y.M. Marzouk
15:45–16:00
IRS2012-538
Remote sensing of particle size profiles from cloud sides: Observables and retrievals in a 3D environment
F. Ewald, T. Zinner, and B. Mayer