| Summary: | 碩士 === 國立臺北科技大學 === 環境工程與管理研究所 === 105 === The water footprint is designed to measure the environmental impact of human water use by analyzing and quantifying. This concept can be use to assess the water supply in the supply chains. Water resource issues are regional and spatial differences. Life cycle scholars have integrated the concept of water footprint into life cycle assessment and used water scarcity in specific areas, reflecting regional water usage of environmental impact potential. The current water footprint assessment standards in accordance with ISO14046.
This study used the water scarcity methods proposed by three different scholars, namely Boulay, Pfister and AWARE, and Taiwan’s reservoirs supply data to calculate regional water scarcity indexes and then used these indexes as characterization factors to assess the impact of water use of each reservoir. The results show that AWARE method is the most suitable for assessing the water scarcity. The indexes calculated for reservoirs were then applied to the case of high-concentration photovoltaic (HCPV) system. The results showed that the maximum impact of water use for the HCPV was 341.88(m3H2O eq) and the minimum impact was 24.42(m3H2O eq), which were located within Bosan and Sun Moon Lake reservoir, respecitively. This studies can be used as a reference for industries and government agencies for further research on reducing the impact of water use on the environment.
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