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首页> 外文期刊>International Journal of Environmental Research and Public Health >The Effect of Developing a Tunnel across a Highway on the Water Quality in an Upstream Reservoir Watershed Area—A Case Study of the Hsuehshan Tunnel in Taiwan
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The Effect of Developing a Tunnel across a Highway on the Water Quality in an Upstream Reservoir Watershed Area—A Case Study of the Hsuehshan Tunnel in Taiwan

机译：在高速公路上开发隧道对上游水库流域水质的影响 - 以台湾Hsuehshan隧道为例

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摘要

Cities in Taiwan are so dependent on reservoir water that preservation of the upstream reservoir watershed has become a significant public concern. However, due to the high-density development of land, resulting in rapid urban expansion, the construction of tunnels and elevated highways across reservoirs to better utilize the surrounding land has become a global trend. Based on data from long-term observation of the reservoir, this study verifies the difference in water quality before and after the highway construction. The results indicate that the total phosphorus (TP) increased on average 14 μg/L to 36.5 μg/L per annum, and the water quality is expected to require 10 years to recover. During the highway development, the average TP was more than twice the normal level. During summer, the TP level increases 3.1-fold due to rainfall. As indicated by the results, the large-scale land development will harm the long-term preservation of the reservoir’s water quality, and therefore should be avoided.
机译：台湾的城市依赖于水库水，保存上游水库流域已成为一个重要的公众关注。然而，由于土地的高密度开发，导致城市扩张迅速，隧道建设和整个水库高速公路更好地利用周围土地已成为全球趋势。根据储层长期观察的数据，本研究验证了公路建设前后的水质差异。结果表明，每年平均磷（TP）平均增加至36.5μg/ L，预计水质需要10年来恢复。在公路开发期间，平均TP幅度超过正常水平的两倍。在夏季，由于降雨，TP水平增加3.1倍。正如结果所示，大规模的土地开发将损害水库水质的长期保存，因此应避免。

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