想請問關於冰期的冰層中氧16同位素 - 地球科學討論
By Leila
at 2011-12-20T08:12
at 2011-12-20T08:12
Table of Contents
請問關於冰芯記錄當中
"於冰期的時候
大多氧18會相對比氧16含量多
因為氧16會從大氣中冰封在冰層中"
是否
表示冰層中的冰
是由大氣中凝固而成
而非由海水中的淡水凝固而成?
還是
氧18本來就不容易被封鎖在冰層中?
那暖期的氧16又到哪裡?是岩心嗎?
有沒有相關的書籍可以建議的?
感謝感謝!!!
--
"於冰期的時候
大多氧18會相對比氧16含量多
因為氧16會從大氣中冰封在冰層中"
是否
表示冰層中的冰
是由大氣中凝固而成
而非由海水中的淡水凝固而成?
還是
氧18本來就不容易被封鎖在冰層中?
那暖期的氧16又到哪裡?是岩心嗎?
有沒有相關的書籍可以建議的?
感謝感謝!!!
--
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地球科學
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