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Ondoy  Flood  Survey Inq
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Ondoy Flood Survey Inq

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  • 1. PEAK FLOOD AND FLOOD HEIGHTS IN THE MARIKINA RIVER CAUSED BY TS ONDOY CP David, Ph.D. C. Abon, N. Pellejera, E. Pellejera, R. Rodolfo, L. Soria Environment Monitoring Laboratory UP National Institute of Geological Sciences
  • 2.  
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  • 4. Total Area of Marikina Basin 594.53 km 2
  • 5. PAGASA Science Garden Data* Peak rainfall 10am 12nn 2pm *the Marikina Watershed is 20km east of the Science Garden (~1-2hrs ahead)
  • 6. Total Area of Modeled Sub-basins: 284.43 km 2 Peak discharge: 2800 m 3 /s Wawa Dam
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  • 17. CONCLUSIONS/RECOMMENDATION
    • Time lag between peak rainfall and peak flood = 2-9 hrs
    • Focus on hazard preparedness
  • 18. CONCLUSIONS/RECOMMENDATION
    • Anticipation of the timing and magnitude of a hazard
    Gubat, Sorsogon Batuan, Masbate 09198415712 Caramoan, Cam Sur
  • 19. CONCLUSIONS/RECOMMENDATION
    • Calculation of impending rainfall using public access data

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