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Management of Water Reservoirs (Embungs) in West Timor, Indonesia

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  • Pradhan, Deepa
  • Ancev, Tihomir
  • Drynan, Ross G.
  • Harris, Michael

Abstract

Communal water storage reservoirs (embungs) that serve many villages in West Timor, Indonesia, by providing water during the prolonged annual dry season are experiencing severe sedimentation problems. Sedimentation of reservoirs progressively reduces their water storage capacity and the benefits to community. This paper investigates four alternative strategies for managing the sedimentation of a typical village embung: (1) current management (a “no management” situation), (2) soil conservation in the embung catchment, (3) periodic sediment removal and (4) both soil conservation and sediment removal. Without periodic sediment removal, an embung has a finite life dependent on the rate of sedimentation. The results indicate that periodic cleaning is clearly worthwhile. Strategy (4) gives the highest NPV. Strategy (3) was not as good, though towards the upper end of the range of reasonable discount rates, it was almost as good as strategy 4. No management is the worst strategy.

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Bibliographic Info

Paper provided by Australian Agricultural and Resource Economics Society in its series 2009 Conference (53rd), February 11-13, 2009, Cairns, Australia with number 48052.

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Date of creation: 2009
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Handle: RePEc:ags:aare09:48052

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Keywords: management; reservoir; sediment; water use; West Timor;

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  1. Widjajanti Isdijoso Suharyo & Sudarno Sumarto & Nina Toyamah & Adri Poesoro & Bambang Sulaksono & Syaikhu Usman & Vita Febriany & Harry D.J. Foenay & Rowi Kaka Mone & Thersia Ratu Nubi & Yakomina W. N, 2007. "Improving the Business Climate in NTT : The Case of Agriculture Trade in West Timor," Trade Working Papers 22540, East Asian Bureau of Economic Research.
  2. Claassen, Roger & Hansen, LeRoy T. & Peters, Mark & Breneman, Vincent E. & Weinberg, Marca & Cattaneo, Andrea & Feather, Peter & Gadsby, Dwight M. & Hellerstein, Daniel & Hopkins, Jeffrey W. & Johnsto, 2001. "Agri-Environmental Policy at the Crossroads: Guideposts on a Changing Landscape," Agricultural Economics Reports 33983, United States Department of Agriculture, Economic Research Service.
  3. LeRoy Hansen & Daniel Hellerstein, 2007. "The Value of the Reservoir Services Gained with Soil Conservation," Land Economics, University of Wisconsin Press, vol. 83(3), pages 285-301.
  4. Kapadia, Mustafa & Shah, Farhed A. & Warner, Glenn, 2002. "Sedimentation Of Reservoirs: Prevention Vs Cleanup," 2002 Annual meeting, July 28-31, Long Beach, CA 19593, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
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