雪山隧道施工中之大量湧水，引起各界質疑其對枯水季翡翠水庫進流量的影響。本研究利用遙測判釋、水平衡分析、隧道湧水水文地質分析等方法，定量估計雪山隧道湧水對翡翠水庫地表進流量及週遭地下水文環境的可能影響，以釐清各界的質疑與爭論。並估計隧道完工後的長期湧水量，建議長期之水文地質監測計畫，以持續監測隧道湧水量及其對周遭地下水的影響。 The big water ingress during the construction of Hsuehshan Tunnel caused wide suspicion about its influence on the inflow of Feitsui Reservoir during dry seasons. This study wants to clarify the suspicion based on the quantitatively estimated probable influences on the reservoir inflow and surrounding hydrological environment. Three methods, including remote sensing technique, water balance analysis, and tunnel water ingress analysis, will be used to assess the probable influences. This study will also need to estimate the long term water ingress of the tunnel and suggest a monitoring plan for tracing the long term changes of the hydrogeological environment due to the construction of Hsuehshan Tunnel. 研究期間：9307 ~ 9407
