烏溪和大甲溪流域的雨量 - 颱風討論
By Mia
at 2021-07-25T14:47
at 2021-07-25T14:47
Table of Contents
大甲溪流域除了德基水庫和谷關水庫(發電用),就剩下石岡水壩了。
德基以下的夏季雨量豐沛,但沒有大的水庫足以保留夏季的降雨。
大甲溪在敏督利、愛利颱風時有發生嚴重的土石流、水患,松鶴一帶的河床高度、也從峽谷
堆積到和馬路一樣寬了。
但總的來說,大甲溪中上游是不是南北的高山擋住了東北季風、西北颱和西南氣流的水氣?
台中另一條大型河川 烏溪的流域就很廣了,夏季時上游和中游山區也時常下暴雨,梅雨季
時雨量也比大甲溪更豐沛。
可惜烏溪流域目前沒有一座大型水庫。
高屏溪也是,但高屏溪勉強有伏流水可以使用。今年乾旱,南部停灌第一期稻作,南部水庫
才不至於把水用光。
--
德基以下的夏季雨量豐沛,但沒有大的水庫足以保留夏季的降雨。
大甲溪在敏督利、愛利颱風時有發生嚴重的土石流、水患,松鶴一帶的河床高度、也從峽谷
堆積到和馬路一樣寬了。
但總的來說,大甲溪中上游是不是南北的高山擋住了東北季風、西北颱和西南氣流的水氣?
台中另一條大型河川 烏溪的流域就很廣了,夏季時上游和中游山區也時常下暴雨,梅雨季
時雨量也比大甲溪更豐沛。
可惜烏溪流域目前沒有一座大型水庫。
高屏溪也是,但高屏溪勉強有伏流水可以使用。今年乾旱,南部停灌第一期稻作,南部水庫
才不至於把水用光。
--
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