Am  Ver 02 Sharing From Indonesia
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Am Ver 02 Sharing From Indonesia

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Regional Conference for Southeast Asia on Rainwater Harvesting in IWRM: An ExChange of

Regional Conference for Southeast Asia on Rainwater Harvesting in IWRM: An ExChange of

Policies and Learnings

November 25-26, 2008
Davao City

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Am  Ver 02 Sharing From Indonesia Am Ver 02 Sharing From Indonesia Presentation Transcript

  • Sharing from Indonesia Rainwater Harvesting
  • Background
    • Ocean : 97 %
    • Fresh Water : 3 %
    • - icecap and glacier : 68.7%
    • - groundwater : 30.1 %
    • - surface water : 0.3 %
    • ( lake : 87 %, river 2 % and swamps 11 % )
  • Fact Domestic pollution Agricultural pollution Industrial pollution Soil erosion
  • Fact ( specially in Major City )
  • Fact
  • Fact [ wet season ]
  • Fact [ Dry season ]
  • Rainfall mapping
    • Indonesian’s rainfall mapping depends on Geographical location.
    • West coastal has more rainfall than East coastal
    • Rainfall on the West more than East , ie island series from Java, Bali, NTB, & NTT that connected with narrow strait  West Java is the most rainfall
    • The heighest Rainfall is on to the land that has 600 - 900 m over sea level.
  • Rainfall mapping
    • The average of rainfall in Indonesia are 2000 - 3000 mm/year { it always different every year & each places )
    • Average rainfall less than 1000 mm, covered 0,6% from Indonesia, ie. Nusa Tenggara, & 2 district on Sulawesi (lembah Palu & Luwuk).
    • Provinces that have average rainfall between1000 - 2000 mm per year are : part of Nusa Tenggara, Merauke, Kepulauan Aru, & Tanibar.
    • Provinces that have average rainfall between 2000 - 3000 mm per year are East Sumatera , South & East Borneo, most of West Java, Center of Java & part of Irian Jaya , Maluku Island & Most of Sulawesi
    • Provinces that have average rainfall between more than 3000 mm per year are highland in West Sumatera, Center of Borneo, HIghland in Cener of Irian Jaya & some district in Java, Bali, Lombok & Sumba
    • The highest rainfall is in Batu Raden – East Java, it almost 7,069 mm per year
  • Rain water Mapping for Indonesia
  • Rainwater evaluation-Oct 08
  • Potential flooding –DKI Jakarta
  • Potential flooding – South of Sulawesi
  •  
  • Ground Water
  • What did we do for rainwater harvesting?
  • Sumatera
    • Reservoir [ Batam , Riau ]  less of clean water
    • Conservation Area [ North Sumatera, West Sumatera ]
    • Water Storage [ South Sumatera , Aceh ]
    • Banyuasin / South Sumatra, they used water storage 10 x 10 x 5 metres for 1 RT ( Rukun Tetangga = neigbours )
  • Java
    • Man made Lake [ Jakarta, Center of Java ]
    • Water Storage [ Center of Java & West Java]
  • Nusa Tenggara
    • Special in ALor supporting by UNICEF
    • http://video.aol.com/video-detail/unicef-unicef-supports-rainwater-harvesting-in-indonesia/28930493
    • They made a big tank & collecting with plastic bottle
  • Irian Jaya
    • Special in Irian supporting by UNICEF
    • They collecting with plastic bottle
  • Water storage that have been used in Indonesian village
    • Large earthenware bowl for water (made from clay )
    • Water storage ( made from bamboo & concrete )
    • Bamboo Pipe installation
    • Storage from spring water
    • Geomembrane liners ( man made lake )  major City
    • Absorbing well in housing
    • Aqueduct for resorption
    • Using Conblock than concrete for parking area
    • Levelling for agricultural land
    • Water Conservation area
    • Revitalization for Lake, River
    • Forest conservation
    • Water tank/storage from rainwater on home & building
  •  
  •  
  • Suggestion for infrastructure
    • Porous cement for pavement layer ( pervious pavement )
  • Suggestion
    • Porous asphalt for pavement layer
  • Thank you God Bless you