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The AVHRR 1-km (LAC) Expert Meeting was hosted by the German Remote Sensing Data Center (DLR-DFD) at DLR-Oberpfaffenhoffen, Germany on 20-21 April 2015. Twenty-two experts from Europe and the United States representing the AVHRR, the calibration, the remote sensing, and user communities participated in the meeting organised by ESA/SPPA and DLR-DFD, to discuss the challenges and priorities of future reprocessings of the European archives of AVHRR 1-km data. The minutes of the meeting can be here.



Monday 20 April 2015

13:00-13:10 Welcome/logistics T. Christensen (DLR)
13:10-13:25 Purpose and objectives B. Bojkov (ESA)
  Data consolidation  
13:25-13:45 Overview of the DLR TIMELINE project C. Frey (DLR)
13:45-14:00 Overview of the ESA 1km consolidation Activity at ESA M. Albani and S. Folco (ESA)
14:00-14:15 The 1km archive at the University of Bern: experiences and challenges S. Wunderle (U. Bern)


  (inter-)Calibration and geometric corrections  
14:25-14:50 PATMOS-X expericences in the recalibration of the AVHRR series A. Heidinger (NOAA)
14:50-15:05 The DLR approach to AVHRR calibration and geometric corrections M. Bachmann (DLR)
15:05-15:20 The SMHI approach to AVHRR calibration and geometric corrections K.-G. Karlsson (SMHI)
15:20-15:35 AVHRR GAC/LAC calibration challenges for SST J. Mittaz (U. Reading/NPL)


  Experiences with AVHRR 1-km data  
15:45-16:00 APOLLO cloud properties - challenges and requirements G. Gesell (DLR)
16:00-16:15 Challenges with AVHRR retrieval at high-latitudes K.-G. Karlsson (SMHI) / Ø. Godøy (NMI)
16:15-16:30 Snow and lake retrievals with AVHRR S. Wunderle (U. Bern)
16:30-16:45 AVHRR experiences with land property retrievals in Poland K. Dabrowska-Zielinska (IGIK)
16:45-17:00 GRASP retrieval potential O. Dubovik (U. Lille 1)
17:00-18:00 Discussion K. Molch (DLR)

End of Day 1

followed by dinner at Kloster Andechs 


Tuesday 21 April 2015

8:30-8:40 Recap of Day 1 B. Bojkov (ESA)
  User needs  
8:40-9:00 AVHRR needs for the EUMETSAT SAFs L. Schüller (EUMETSAT)
9:00-9:20 AVHRR user needs survey T. Christensen (DLR)
  Breakout sessions  
9:20-9:30 Breakout sessions objectives T. Christensen (DLR)
9:30-10:30 3 breakout sessions: consolidation, calibration, products  


10:45-12:00 3 breakout sessions: consolidation, calibration, products  



Breakout session reporting and recommendations


M. Albani (ESA)

A. Heidinger (NOAA)

F. Niro (ESA)

14:00-15:30 Discussion, conclusions, and way forward B. Bojkov (ESA)

End: Day 2