圖書典藏及影音數位平台

曾文溪位於臺灣西南部，流域面積約1,176平方公里，幹流長約138公里，北鄰濁水溪、八掌溪及急水溪，東界高屏溪，南接盬水溪及二仁溪，西臨臺灣海峽。曾文溪發源於阿里山脈之水山(標高2,609公尺)，流經嘉義縣阿里山鄉、番路鄉、大埔鄉及高雄市那瑪夏區，進入曾文水庫；出壩址後再經臺南市楠西區、玉井區，於大內與山上區間轉西向進入嘉南平原；再經左岸善化、安定及右岸官田、麻豆、西港、七股等區，於安南區青草崙西北方流入臺灣海峽。 曾文溪流域內建有曾文、南化、烏山頭及鏡面等四座水庫。曾文水庫位於主流曾文溪，集水面積約481平方公里；南化水庫位於支流後堀溪，集水面積約108平方公里；烏山頭水庫位於支流官田溪，集水面積約58平方公里；鏡面水庫位於支流菜寮溪，集水面積約2.73平方公里。水庫上游集水面積佔曾文溪流域面積約55%。 「曾文溪流域整體治理綱要計畫」已於103年11月19日經「經濟部水資源審議委員會」審議通過，近期將報院核定後，由各目的事業主管機關本權責執行，故需擬訂初期實施計畫，依步驟應先檢討各年執行狀況，以研擬改善措施及各權責機關需辦理工作項目。鑒此，經濟部水利署第六河川局(以下簡稱本局)著手辦理本計畫。

“Overall Governance Outline Plan for Tsengwen River Basin” was approved by the Executive Yuan in June 2015. The management units on Tsengwen River basin should draft the primary-stage (2016 to 2019) implementation plans based on the “Overall Governance Outline Plan for Tsengwen River Basin”. It was used to let the implementation plans execute on Tsengwen River basin could conform to the tactics and concept of “Overall Governance Outline Plan for Tsengwen River Basin”. The flood and soil complex disaster, water resources facilities, supply and demand for water resources, environmental ecology and land over using were three major existing problems on Tsengwen River basin. There were also five future forecasts and problems on Tsengwen River basin. First, the increasing of collapsing area increased the risks for complex disaster of flood and soil. Second, the serious siltation on reservoirs declined the prevention capability and water supply. Three, a great quantity of soil and sand moving from upstream influenced the safety of flood-prevention work. Fourth, the rainfall difference between wet season and dry season was larger than before to increase risks for stable water supply. Fifth, the climate change makes the happening potential increasing for disasters. The government and management on Tsengwen River basin should focus on disaster prevention, management of water resources, environmental protection. It was used to fit the requirement and purposes of water control, making use of water, getting close to water, environmental conservation to adapt to new environments caused by climate change. It was also used to reach the vision for continuous development of water and soil resources. The problem analysis on Tsengwen River basin was adjusted and revised by real problems and existing conditions collected on this study. The implementation plans (2016~2019) for a version of Water Resources Agency was finished in this study. The information supplied by whole units on Tsengwen River basin was collected on Appendix 6 ~ Appendix 16. The gender impact assessment was analyzed for this plan based on the key points of editing for mid-to-long-range case planning for the organs under the Executive Yuan. From the analysis results, it shows that the contents of this study don’t involve with sexual differences. The difference of sexual percentage balance, age and area should be paid attention and considered for the education propagation, citizen participation and talent cultivating in the future. It was for the planning project of business coordination and citizen communication.