1. GPM GPM Conference May 16- 19, 2001Erich Franz Stocker 1 GPM Ground System Study Coordinator May 17, 2001 Data Management Global Precipitation Measurement

2. GPM GPM Conference May 16- 19, 2001Erich Franz Stocker 2 Guiding Data Management Principle E Pluribus Unum From Many One

3. GPM GPM Conference May 16- 19, 2001Erich Franz Stocker 3 GPM Realtime Data Flow (Reference) NASA DMSP Partner-1 Partner-n GPM Mission Ops Center DMSP Processing Partner-1 Ground Partner-n Ground L1B/Images Level 0 DMSP Image Processing Partner 1 Image Processing Partner-n Image Processing Users Images GPM Science Data Processing System L1B L2 Image Processing Images … …... Packaged Realtime

4. GPM GPM Conference May 16- 19, 2001Erich Franz Stocker 4 GPM 3hr and Climate Data Flow (Reference) DMSP Processing Int-1 Processing Int-n Processing GPM Mission Ops Center GPM Science Processing System DMSP Level1B Int-1 Level1B Int-n Level 1B Science Team & Archive Center Core/Constellation Level 1B Level 2 Products Level 3 Global Gridded Special/Combined Global Gridded Core/Constellation L0 HK/Data... Package Data 3hr, Daily Core & Constellation

5. GPM GPM Conference May 16- 19, 2001Erich Franz Stocker 5 E Pluribus Many partners Many cultures Many different satellites Many satellites added and/or replaced at many different time periods (build for continuous replacement and refresh) {Goal} Many different instruments with different fields of view Many different data sources Many types of data streams (initially realtime, 3 hr, climate products) Many different processing systems Many different processing environment Many different hardware and software configurations Many different science discipline interests Many different uses for the data

6. GPM GPM Conference May 16- 19, 2001Erich Franz Stocker 6 Coordination is the Key to Success (Unum) Early acceptance of a governing entity – GPM Joint Science Team Coordination and Agreement on core mission: –Data products –Data formats –Data flows –Data delivery requirements –Level 1b calibration approaches –Common geo-location approaches –Processing responsibilities –Distribution approaches –End to End testing strategy and approach for the “GPM Processing System” Coordination Process –Started very early in the mission process –Conducted in a streamlined, direct and continuous manner –Minimize the overhead and maximize the results –Undertaken by a manageable size steering group with the appropriate technical expertise under the direction of GPM Joint Science team –Carried out by individuals who have the authority to commit their respective funding sources

7. GPM GPM Conference May 16- 19, 2001Erich Franz Stocker 7 Success of GPM Data Production is not determined by success of one of its components but ALL its components