溫鹽環流 - 地球科學討論
By Carol
at 2012-10-27T22:35
at 2012-10-27T22:35
Table of Contents
看到底置說要提昇學術風氣
突然想到個問題
高中的教科書上面提到
溫鹽環流的週期大概是1600年左右
這個數字是怎麼估計來的啊?
翻了一下Essentials of Oceanography
裡面只有提到現象
問高中老師
他告訴我google到一個底層洋流的流速0.3cm/s
再亂槍打鳥假設它繞了地球兩圈多
大概就湊到這個數字
請問有大大能夠詳細嗎
另外還有個類似的問題是說
一個水分子在水循環的過程要多久
這種尺度不小的週期都是像這樣有點誤打誤撞估計的嗎?
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Tags:
地球科學
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