604 深海海流~~(雷)
其實是無關痛癢的雷啦
只是學的是相關科系 看到相關知識來嘴砲一下
尾大 其實還滿酷的
他寫出來的東西 除了像瀑布很快的流速之外 都是對的
真的是有研究過海洋學~~~
"深海海流" 原因 娜美解釋一半就被忽略
簡單來說 就是溫度和鹽度互相形成的密度差
大家都知道 純水在約4度時密度最重這造成了湖冰與湖底水體
可是海洋中有鹽份 越冷的鹽水反而越重
所以 在大西洋極圈上層冷水很重 往下壓
等到周圍溫度差不多就停了 但是 更上層的冷水又繼續下壓
這樣 純靠重力下壓形成的海流 就是 深海海流 或稱 溫鹽環流
從大西洋沉下之後 幾乎繞過整個世界大洋 從祕魯湧昇 接回表層海流
所以真的跟娜美說的要數千年才會冒出來
題外話 由於 秘魯湧昇是"聖嬰現象"重要影響關鍵
所以有一派學者認為 深海環流 就是造成聖嬰現象的關鍵
題外話中的題外話 大家有看過電影 "明天過後"吧
電影中氣候之所以會有末日劇變
就是一開始說的氣候暖化 冰山融化 淡水流入大西洋
改變了鹽度 破壞了溫鹽環流 改變了表層環流 進而世界末日
雖說 是電影 也加速了深海環流~~
不過電影背後也有龐大團隊支撐 到不是隨地放矢
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