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The GRAS SAF Project and Aim of the User Workshop

Learn about the GRAS SAF Project, its organization, satellites and measurement system, and data products. The User Workshop aims to gather feedback, confirm user requirements, and strengthen scientific collaboration.

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The GRAS SAF Project and Aim of the User Workshop

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  1. The GRAS SAF Project and Aim of the User Workshop Georg Bergeton Larsen GRAS SAF Project Manager Atmosphere Ionosphere Research Division (AIR) Danish Meteorological Institute (DMI) Copenhagen

  2. Outline of presentation • GRAS SAF Project overview and plans • Organisation of the project • Satellites and measurement system • Data products • Aim of User Workshop • Program • Summary

  3. GRAS SAF project started in 1999 Operational facility for atmosphere products from GRAS instrument on Metop (Launch planned in late 2005) 5 year developments Partner Institutes Danish Meteorological Institute (Host institute) Met Office, UK IEEC, Spain Milestones 2000 Requirements review (User and science requirements) 2001 Requirements review (Design requirements) 2003 Mid-Term review (Critical design review) 2007 Operational products from GRAS SAF GRAS SAF overview and plans

  4. EUMETSAT Delegate Bodies EUMETSAT SAF Network Manager GRAS Meteorology SAF Steering Group GRAS Meteorology SAF Project Manager G. B. Larsen, DMI Met Office SAF coordinator D. Offiler DMI SAF coordinator K. B. Lauritsen IEEC SAF coordinator J. Aparicio GRAS SAF Organisation

  5. GRAS measurement system • Level 1b product generation and dissemination by the EPS CGS • Level 2 product generation and dissemination by the GRAS Meteorology SAF • GRAS GSN provides GPS POD products and ground based measurements • GRAS GSN network will contain 25 stations and will be based on existing networks • Product archiving and off-line user access via UMARF in EUMETSAT • Product archiving includes raw data, level 1b, level 2 and all GSN products

  6. Data products from the GRAS SAF DMI, IEEC • Data products (Level 2) in Near Real Time • Refractivity profiles • Temperature profiles • Pressure profiles • Water vapor profiles • Surface pressure • Geographical location • Data products Offline • Reprocessed level 2 products • Bending angle (Level 1b) • 1D-VAR pre-retrieval software (pre-existing) • 3/4D-VAR assimilation software • Error covariance matrix • Pre-processing tools Met Office

  7. Aim of User Workshop • Present current developments and plans of the GRAS SAF to Users • Get feedback on data products, software deliverables, distribution methods, etc. • Confirm User Requirements • Initiate local work at home institutes to use GRAS SAF products • Strengthen scientific collaboration

  8. GRAS/Metop User Requirements

  9. Program • Opening & Welcome • Thursday (June 12) • Radio Occultation Method • Data Assimilation Technique • EUMETSAT/GRAS SAF Products • User Views on Products, Assimilation, and Climate Issues • Friday (June 13) • Products From Current and Future RO Missions • Discussion & End of User Workshop

  10. Summary • GRAS SAF overview and plans • Data products • Software products for data assimilation • Aim of User Workshop • User requirements • Program for the next days • Expected number of atmospheric profiles per day 600 • Available to users from beginning of 2007 • Practical information

  11. Presentations & Proceedings Presentations: Please hand over an electronic version (PowerPoint or similar) of your presentation to one of the GRAS SAF team members during the workshop. All presentations will be made available at the workshop web pages. Proceedings: Please email your paper to the DMI GRAS SAF team before july 1. We will perform a simple review (together with each author), and then send all papers to EUMETSAT, where an official proceedings booklet will be printed. The booklet will be sent to all participants around september/october. Questions concerning proceedings: Contact Frans Rubek at frr@dmi.dk

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