災後 談談養殖漁業≠超抽地下水 - 生態環境討論

By Belly
at 2009-09-01T17:19
at 2009-09-01T17:19
Table of Contents
關於地下水的問題
小弟有點心得....
我住在雲林西部沿海
舅舅家的魚池在大排旁邊
已經很靠近出海口了
小時候去釣魚時大排的堤防跟魚寮的地基一樣高
到今年經過約莫12年,堤防做過兩次加高工程
現在堤防已經比魚寮的屋頂高了
也就是加高了兩公尺多
那地區的養殖以虱目魚 蛤蜊 草蝦居多
全部都是從大排引進海水的,沒有抽地下水的問題
而在經濟部水利署的地層下陷資料庫中(http://0rz.tw/egdyP)
雲林縣口湖鄉從81~96年的地層下陷累積量是60公分(http://0rz.tw/seyva)
試問....為什麼下陷60公分堤防卻要加高兩公尺多
加上海平面上升的數據也不會差距這麼大
答案已經很明顯
政府為了利益迴避,河川從來不做疏濬工程,而是一直加高堤防
堤防總會有潰堤的一天
但是淹水時官員只會拿抽地下水導致地層下陷來當治水不力的擋箭牌
因為他們不住海邊,他家不會淹水
另外要管理抽取地下水是非常困難的
抽地下水是要牌照的
雖然有地下水管制條例來限制地下水的開發
但這就跟交通管理條例一樣,交通還不是一樣亂嗎?
--
Tags:
生態環境
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