雨又不下了!曾文水庫蓄水率再度跌破7成 - 台南
By Valerie
at 2021-11-28T22:18
at 2021-11-28T22:18
Table of Contents
雨又不下了!曾文水庫蓄水率再度跌破7成
上游降雨偏少,且又供應農業灌溉, 曾文水庫的蓄水率跌破7成。(記者吳俊鋒攝)
2021/11/28 17:22
〔記者吳俊鋒/台南報導〕國內規模最大的曾文水庫上游從9月份以來就降雨偏少,進入
枯水期後這4週,累積雨量僅25毫米,水庫「進帳」不明顯,且又要供應二期稻作雨秋冬
季雜糧的農業灌溉,蓄水率逐漸下滑,今天已經跌破了70%,台南市政府籲請民眾節約用
水,居安思危。
根據水利署南區水資源局的觀測資料,截至今天下午5點,曾文水庫從本月份的枯水期以
來,上游累積降雨僅25毫米,不僅下得零星,甚至兩度「連7+0」,導致蓄水率持續下探
。
市政府水利局表示,南部地區降雨特性的豐枯很明顯,比例約為9:1,一旦進入冬天,上
游逕流會大幅減少,現有蓄水量必須支應後續春、夏的用水,直到梅雨或颱風季來臨,因
此平時的節水,相當重要。
由於配合農業供灌,目前曾文水庫的水位標高已經降至221.22公尺,蓄水率69.49%,是
今年7月30日之後,再度低於7成,連同烏山頭水庫的合計有效蓄水量為4.26億立方米。
上游降雨偏少,且又供應農業灌溉, 曾文水庫的蓄水率跌破7成。(記者吳俊鋒攝)
https://news.ltn.com.tw/news/Tainan/breakingnews/3751164
--
上游降雨偏少,且又供應農業灌溉, 曾文水庫的蓄水率跌破7成。(記者吳俊鋒攝)
2021/11/28 17:22
〔記者吳俊鋒/台南報導〕國內規模最大的曾文水庫上游從9月份以來就降雨偏少,進入
枯水期後這4週,累積雨量僅25毫米,水庫「進帳」不明顯,且又要供應二期稻作雨秋冬
季雜糧的農業灌溉,蓄水率逐漸下滑,今天已經跌破了70%,台南市政府籲請民眾節約用
水,居安思危。
根據水利署南區水資源局的觀測資料,截至今天下午5點,曾文水庫從本月份的枯水期以
來,上游累積降雨僅25毫米,不僅下得零星,甚至兩度「連7+0」,導致蓄水率持續下探
。
市政府水利局表示,南部地區降雨特性的豐枯很明顯,比例約為9:1,一旦進入冬天,上
游逕流會大幅減少,現有蓄水量必須支應後續春、夏的用水,直到梅雨或颱風季來臨,因
此平時的節水,相當重要。
由於配合農業供灌,目前曾文水庫的水位標高已經降至221.22公尺,蓄水率69.49%,是
今年7月30日之後,再度低於7成,連同烏山頭水庫的合計有效蓄水量為4.26億立方米。
上游降雨偏少,且又供應農業灌溉, 曾文水庫的蓄水率跌破7成。(記者吳俊鋒攝)
https://news.ltn.com.tw/news/Tainan/breakingnews/3751164
--
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