CREW-4 Oral presentations

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Revision as of 20:38, 8 March 2014

Tuesday 4 March 2014

SESSION 1: CLOUD PARAMETER RETRIEVAL METHODS
Sub-Topic 1.1 Existing retrieval methods

08:45 Keynote: Overview of combined retrievals from active instruments
Robin Hogan

09:15 The MODIS cloud optical and microphysical property product: Overview of the Collection 6 algorithm and preliminary results
Steve Platnick et al. (presenter Kerry Meyer)

09:30 The Community Cloud Optimal Estimation Retrieval for Climate (CC4CL): Retrieval System and Application to AVHRR and MODIS sensors
M. Jerg et al., and the ESA Cloud CCI team

09:45 Enhancing the PPS cloud mask confidence in the polar night with the VIIRS Day-Night band
Adam Dybbroe and Ronald Scheirer

10:00 Cloud and Radiation Parameter Retrievals from Satellites Using Updated NASA Langley Algorithms
Patrick Minnis

Sub-Topic 1.2 New methods

10:45 Application of a Spectrally Consistent Multichannel Adiabatic Retrieval to the MODIS Cloud Product
John Rausch et al. 11:00 Cloud optical properties of multilayer clouds from solar and thermal SEVIRI channels Luce Bugliaro 11:15 Retrieving cloud microphysical properties in a fully 3D environment using active and passive sensors Mark Fielding 11:30 MODIS Cloud Thermodynamic Phase Discrimination for Collection 6 and Comparisons with CALIOP and POLDER. Benjamin Marchant 11:45 A Methodology for Simultaneous Retrieval of Ice and Liquid Water Cloud Properties O. Sourdeval et al. 12:00 LUNCH BREAK

Sub-Topic 1.3 New sensors Chairperson: Jerome Riedi 13:00 Keynote: Overview on cloud retrievals from passive sensors Ralf Bennartz 13:15 Combining vertical resolved ground observations and geostationary satellite observations by use of a forward model approach Anja Hünerbein et al. 13:30 Evaluation of cloud products for Himawari-8/-9 Kazuki Shimoji et al. 13:45 A Simultaneous Cloud-Atmosphere-Surface Retrieval Algorithm Using Hyperspectral Data Xu Liu et al. (presenter Nadia Smith) 14:00 South Korea’s geostationary satellite cloud retrievals: current status and plans for GK-2A in 2017 Yong-Sang Choi et al.

14:15 COFFEE BREAK 14:45 BREAKOUT SESSIONS TOPIC 1 Breakout Session Topics: A) Calibration requirements and way forward B) Cloud modelling issues for retrievals C) Strength and weaknesses of the retrieval approaches D) Synergistic retrievals

16:15 Summary & Recommendations

18:00 ICE BREAKER (sponsored by CM SAF)

Wednesday 5 March 2014

SESSION 2: CLOUD PARAMETER RETRIEVAL EVALUATION

Sub-Topic 2.1 Retrieval evaluations Chairperson: Robin Hogan 08:30 Keynote: Inter-comparison of cloud observations from CALIOP and passive sensors Dave Winker 09:00 Extension of the CREW-type Analysis to VIIRS Andrew Heidinger 09:15 CREW: Update on the evaluation of SEVIRI cloud parameter retrievals Ulrich Hamann et al. 09:30 The inter-comparison of cloud properties retrieved from AVHRR and MODIS using three state-of-the-art retrieval schemes Martin Stengel et al. 09:45 Validation of SEVIRI cloud top height retrievals from A-Train data Chu-Yong Chung et al. 10:00 COFFEE BREAK

Chairperson: Takashi Nakajima 10:30 Keynote: Geometric cloud height assignment by Geosynchronous meteorological satellite - simulation and bias analysis Feng Lu 11:00 Retrieval and validation of cloud properties from the AATSR instrument Caroline Poulsen et al. 11:15 A Review of Cloud Property Retrievals over Snow and Sea-ice Surfaces Andi Walther and Andrew Heidinger 11:30 Towards characterizing the uncertainty of in-situ cloud observations: A case study for the ESA CCI Cloud project validating satellite-based cloud amount in mountain and Polar Regions Jędrzej S. Bojanowski and Reto Stöckli 11:45 Comparing OCA and DARDAR upper layer COT in multi-layer situations Phil Watts 12:00 UW-Atmospheric PEATE cloud evaluation capabilities: resolving cirrus optical thickness retrieval differences between solar reflectance, IR, and CALIOP observations Robert Holz et al. 12:15 LUNCH BREAK

13:15 BREAKOUT SESSIONS TOPIC 2 Breakout Sessions Topics: A) Validation sources and best-practises B) Inter-comparison and validation cloud parameters C) Uncertainty estimate assessments D) Retrievals over snow and sea ice

15:00 COFFEE BREAK 15:30 Summary & Recommendations POSTER SESSION Chairperson: Rob Roebeling 16:00 POSTER PRESENTATIONS (1 slides, appr. 1 min per poster) 16:15 POSTER SESSION 18:30 END OF DAY 2

Thursday 6 March 2014

SESSION 3: NOWCASTING AND SEVERE WEATHER APPLICATIONS Sub-Topic 3.1 Now casting applications Chairperson: Anke Thoss 08:30 Keynote: Cloud retrievals for severe weather forecasts Daniel Rosenfeld 09:00 SAFNWC/MSG cloud products M. Derrien et al. 09:15 Cloud properties retrieved from passive imagers and application to the shortwave flux estimation, regarding renewable energy Takashi Nakajima et al. 09:30 New Methods to Infer Aircraft Icing Conditions from Satellite Cloud Retrievals William L. Smith Jr. et al. 09:45 Impact of Smoke on Ice Cloud Properties in Geostationary Data Bryan Baum and Andrew Heidinger 10:00 COFFEE BREAK

SESSION 4: CLOUD PARAMETER DATASETS FOR WEATHER AND CLIMATE RESEARCH Sub-Topic 4.1 Medium and long-term cloud climatologies Chairperson: Martin Stengel 10:30 Keynote: What did we learn from the GEWEX Cloud Assessment Claudia Stubenrauch, S. Kinne and GEWEX Cloud Assessment Team 11:00 Evaluation of cloud optical and microphysical property observations in the CLAAS dataset Jan Fokke Meirink et al. 11:15 Ten Year Time Series of High Cloud Frequencies from HIRS and MODIS Richard Frey and W. Paul Menzel 11:30 ESA Climate Change Initiative: Evaluation of the FAME-C cloud properties for the years 2007-2009 Cintia Carbajal Henken et al. 11:45 A comparison of NOAA/AVHRR derived cloud amount with MODIS and surface observation data Liu Jian Yang Xiaofeng Cuipeng 12:00 LUNCH BREAK

Sub-Topic 4.2 Aggregation methods and cloud data analysis Chairperson: Ralf Bennartz 13:30 Keynote: Aggregation methods and their uncertainties Nadia Smith et al. 14:00 Extending error characterization of cloud masking: Exploring the validity and usefulness of the Naïve Bayesian probabilistic cloud masking method Karl-Göran Karlsson 14:15 The cloud cover vertical distribution and its diurnal cycle observed from Multi-Geostationary data Genevieve Seze 14:30 An assessment of cloud liquid water path and droplet number concentration retrievals derived from MODIS-like observations: Comparison with large-eddy simulation and implications for aerosol indirect effect study Daniel Miller and Zhibo Zhang 14:45 MODIS Collection 6 Clear Sky Restoral: Filtering cloud mask “not clear” pixels Kerry Meyer et al.

15:00 COFFEE BREAK 15:30 BREAKOUT SESSIONS TOPIC 3 & 4 Breakout Session Topics: A) Severe Weather Applications B) Aggregation Methods C) Inter-comparison of cloud property datasets, how to move on after the GEWEX CA, including new datasets and views D) How to improve outreach to the climate and weather community

17:00 Summary & Recommendations 18:00 END OF DAY 3

Friday 7 March 2014 SESSION 4: CLOUD PARAMETER DATASETS FOR WEATHER AND CLIMATE RESEARCH (Continued)

Sub-Topic 4.3 Climate Model Analysis Chairperson: Bryan Baum 09:00 Keynote: How to prepare satellite-based cloud information for use by modelers Robert Pincus 09:30 Towards Traceable and Uniform Climate Data Records Rob Roebeling 10:00 COFFEE BREAK

FINAL DISCUSSION Chairpersons: Bryan Baum and Rob Roebeling 10:30 Presentations of WG Cloud parameter retrieval methods 10:45 Presentations of WG Cloud parameter retrieval evaluations 11:00 Presentations of WG Severe weather applications 11:15 Presentations of WG Improving cloud parameter datasets