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Post-project analysis: The use of a network diagram for environmental evaluation of the Barekese Dam, Kumasi, Ghana

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Abstract

The paper presents an evaluation of post-project impacts of the Barekese Dam on three riparian communities downstream about 30 years after its construction. A network diagram, which incorporated a mathematical model, was used for impact identification and analysis. The expected environmental impacts, expressed as quantitative weighted impact scores, showed that the dam appeared to have exerted adverse impacts on the environmental quality of the communities. The impacts in the communities, however, increased with relative distances away from the dam and the river suggestive of cumulative impacts transmitted downstream. Strategic measures for improving environmental quality of the communities have been given.

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  1. Isaac Kow Tetteh

    Present address: , ES King Village, Apartment M-12, 3810 Jackson Street, Raleigh, NC 27607, USA

Authors and Affiliations

  1. Department of Theoretical and Applied Biology, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana

    Isaac Kow Tetteh & Emmanuel Frempong

  2. Department of Civil Engineering, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana

    Esi Awuah

Authors
  1. Isaac Kow Tetteh
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  2. Esi Awuah
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  3. Emmanuel Frempong
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Correspondence to Isaac Kow Tetteh.

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Tetteh, I.K., Awuah, E. & Frempong, E. Post-project analysis: The use of a network diagram for environmental evaluation of the Barekese Dam, Kumasi, Ghana. Environ Model Assess 11, 235–242 (2006). https://doi.org/10.1007/s10666-005-9021-7

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