JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI ›› 2018, Vol. 35 ›› Issue (8): 11-16.DOI: 10.11988/ckyyb.20170192

• WATER RESOURCES AND ENVIRONMENT • Previous Articles     Next Articles

Assessment of Eco-environmental Impact of Small Dam-type Hydropower by Integrating Ecological Footprint and Analytical Hierarchy Process

HUANG Zhuo1,2,LIU Yue-xiao1 , WANG Zhen-hua1,2,LI Qing-yun1,2   

  1. 1.Basin Water Environment Research Department,Yangtze River Scientific Research Institute, Wuhan 430010, China;
    2.Hubei Provincial Key Laboratory of Basin Water Resource and Eco-environment Science, Yangtze River Scientific Research Institute, Wuhan 430010, China
  • Received:2017-02-28 Online:2018-08-01 Published:2018-08-14

Abstract: Small dam-type hydropower project has negative impact on water resources and water eco-environment despite of electricity generation in substitution of firewood. Assessing the eco-environmental impact of dam-type hydropower is of crucial significance for a rational development of water resources and a coordinative relationship between hydropower construction and nature, economy and society of the drainage basin.In the present research, a comprehensive assessment model for small dam-type hydropower is established. An index scoring system is built by analytical hierarchy process and the weights of indexes are given according to ecological footprint. The applicability of the assessment model is examined by case study on a small dam-type hydropower station in northwest China.Results suggest that the model enhances the practicability and objectivity of assessment results, and also improves the comparability among different stations. It also provides a novel scientific approach for the objective assessment of eco-environmental impact of small dam-type hydropower.

Key words: dam-type small hydropower, analytic hierarchy process, ecological footprint, index scoring system, ecological impact assessment

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