Adriano Bordalo Ppt
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Adriano Bordalo Ppt Adriano Bordalo Ppt Presentation Transcript

  • THE WATER QUESTION UNDER EXTREME POVERTY THE EXAMPLE OF BOLAMA, GUINEA-BISSAU Adriano A. Bordalo & Joana Savva-Bordalo
  • GUINEA-BISSAU 28,000 km 2 land area (32,000 km 2 ) Tropical rain forest (85%) Wet - June to November Dry - December to May 1,600,00 inhabitants AIDS - 7% [30%] GDP - $188 13.6% “potable” water Cholera Diarrheas Malaria Respiratory diseases
  • WATER CONSUMPTION PER PERSON EUROPE - 150 liters
  • WATER CONSUMPTION PER PERSON AFRICA - 50 liters
  • WATER CONSUMPTION PER PERSON AFRICA - 50 liters RURAL POPULATION network URBAN POPULATION network 52 L 72 L
  • WATER USES
  • THE ORIGIN OF WATER
  • THE ORIGIN OF WATER
  • WATER CONSTRAINS
  • WATER CONSTRAINS
  • WATER CONSTRAINS
  • WATER CONSTRAINS
  • WATER CONSUMPTION 21 liters 40 liters (Muslim areas)
  • RATIONALE
    • Seasonal water quality
    • Disease
    • Sustainable measures
  • SAMPLING STRATEGY 28 - 43 wells
  • PRECIPITATION 1998 - 2007
  • PRECIPITATION 1998 - 2007
  • WATER ACIDITY wet season dry season 1 2 3 4 5 6 7 8 9 EU pH
  • FECAL CONTAMINATION wet season dry season 0 25 50 75 100 125 fecal coliforms 100 ml -1 EU
  • IRON wet season dry season 0 50 100 150 200 250 µg l -1 EU
  • FECAL COLIFORMS uncontaminated zone
  • WATER QUALITY INDEX 50-60% - reasonable 40-50% - mediocre <40% - bad
  • WATER NETWORK?
  • PRECIPITATION & DISEASE Bolama 2006/07 2006 2007
  • PRECIPITATION & DISEASE 2006 2007
  • CHILD MORTALITY Malaria Respiratory infections Diarrhea 35% 15% 15% UNDP, 2002
  • CHOLERA EPIDEMICS 1986, 1987, 1994, 1996, 1997, 2002, 2003, 2005 2008
  • PROBLEM 400 g of oyster shells Acidic water EU SOLUTIONS
  • 1 drop bleach in one liter of water PROBLEM Fecal materials EU SOLUTIONS
  •  X MORE SOLUTIONS wells
  • MORE SOLUTIONS X  latrines
  • acknowledgments AMI - International Medical Assistance Portuguese Embassy - Bissau AIDA - Spanish Cooperation Bolama Regional Health Authority ICBAS - University of Porto IPO - Porto