Nick van de Giesen Water for Food

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Nick van de Giesen Water for Food

  1. 1. Water for Food Global Monitoring and Modeling of theWFI UNL 24 January 2013 Terrestrial Hydrological Cycle Nick van de Giesen nick@citg.tudelft.nl Water Management Civil Engineering and Geosciences Technical University Delft
  2. 2. Water for Food Challenge Population: +40% Agricultural water withdrawals: 70%WFI UNL 24 January 2013 Source: B.Schultz UNESCO-IHE
  3. 3. Water for Food Challenge The Green-Blue RevolutionWFI UNL 24 January 2013 will be knowledge intensive and location specific
  4. 4. Water for Food Challenge Knowledge generationWFI UNL 24 January 2013 Top down Bottom up
  5. 5. Water for Food Challenge Knowledge generationWFI UNL 24 January 2013 Bottom up
  6. 6. Water for Food Challenge Knowledge generation Top downWFI UNL 24 January 2013 Source: Minnesota Historical Society, Wikimedia
  7. 7. Water for Food Top downWFI UNL 24 January 2013 Global hydrological model
  8. 8. Water for Food Approach ModelWFI UNL 24 January 2013 Ground Remote Observations Sensing Global hydrological model
  9. 9. Water for Food ModelWFI UNL 24 January 2013 Big machine: 100 T flops Source: Argonne National Laboratory, Wikimedia
  10. 10. Water for Food ModelWFI UNL 24 January 2013 World
  11. 11. Water for Food ModelWFI UNL 24 January 2013 One pixel • 1 ha (SRTM) • 50 params 500 FLO / pixel evaluation • 10 FLO/param
  12. 12. Water for Food ModelWFI UNL 24 January 2013 One update 2*108 km2 * 100 pix/km2 * 500 FLO/pix = 1013 FLO/Update
  13. 13. Water for Food ModelWFI UNL 24 January 2013 One update per 1000 s 1013 / 1000 = 1010 FLOPS
  14. 14. Water for Food ModelWFI UNL 24 January 2013 We have 1014 FLOPS  10,000 runs in real time!
  15. 15. WFI UNL 24 January 2013 Model Water for Food
  16. 16. Water for Food ModelWFI UNL 24 January 2013 River runoff,Mm3/yr*pix @ 6’ resolution, PCGLOBWB, Marc Bierkens
  17. 17. Water for Food ModelWFI UNL 24 January 2013 River runoff,Mm3/yr*pix @ 6’ resolution, PCGLOBWB, Marc Bierkens
  18. 18. Water for Food Approach ModelWFI UNL 24 January 2013 Ground Remote Observations Sensing Global hydrological model
  19. 19. Water for Food Remote sensingWFI UNL 24 January 2013 Prof. Wim Bastiaanssen, eLeaf
  20. 20. Water for Food Approach ModelWFI UNL 24 January 2013 Ground Remote Observations Sensing Global hydrological model
  21. 21. Water for Food Ground observationsWFI UNL 24 January 2013
  22. 22. Water for Food Ground observationsWFI UNL 24 January 2013
  23. 23. Water for Food Ground observationsWFI UNL 24 January 2013
  24. 24. Water for Food Ground observationsWFI UNL 24 January 2013 Trans-African Hydro-Meteorological Observatory
  25. 25. Water for Food Ground observationsWFI UNL 24 January 2013 Trans-African Hydro-Meteorological Observatory
  26. 26. Water for Food Ground observations 20,000 stationsWFI UNL 24 January 2013 1 every 35 km $200 / station Trans-African Hydro-Meteorological Observatory
  27. 27. Water for Food Ground observationsWFI UNL 24 January 2013 Trans-African Hydro-Meteorological Observatory
  28. 28. Water for Food Ground observations RainWFI UNL 24 January 2013 Coen Degen Trans-African Hydro-Meteorological Observatory
  29. 29. Water for Food Ground observations RainWFI UNL 24 January 2013 Coen Degen Es   x (t ) dt  f ( r , vd ,  , H ) 2 Trans-African Hydro-Meteorological Observatory
  30. 30. Water for Food Ground observations RainWFI UNL 24 January 2013 Es  8 1010  D7,34 Coen Degen Trans-African Hydro-Meteorological Observatory
  31. 31. Water for Food Ground observations One sensor down…WFI UNL 24 January 2013 Trans-African Hydro-Meteorological Observatory
  32. 32. Water for Food Ground observationsWFI UNL 24 January 2013 Crowd sourcing http://tahmo.info Trans-African Hydro-Meteorological Observatory
  33. 33. Water for Food Approach (top-down) ModelWFI UNL 24 January 2013 Ground Remote Observations Sensing Global hydrological model
  34. 34. Water for Food Thank you for your attention!WFI UNL 24 January 2013 Nick van de Giesen nick@citg.tudelft.nl Water Management Civil Engineering and Geosciences Technical University Delft

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