tag:blogger.com,1999:blog-3385439647105914724.post5703186662990092475..comments2024-01-27T21:55:55.142-08:00Comments on Thor's Hammer: Ancient Bristlecone Pine Forest (5)itchiang(thor)http://www.blogger.com/profile/15562888786714291602noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-3385439647105914724.post-86412409108409317522016-10-26T21:29:31.453-07:002016-10-26T21:29:31.453-07:00嘉珮 has left a new comment on your post "Ancie...嘉珮 has left a new comment on your post "Ancient Bristlecone Pine Forest (5)":<br /><br />這篇好棒啊!謝謝分享這麼有趣的知識!<br />巨石比金字塔還早出現這真是太驚人了!!<br />不過....年輪會不會也有需要校正的可能呢?<br />例如數千年前,地球的氣候與現在不同,樹並不是一年長一輪?:p<br />=================================================================================<br /><br />奇怪,我email有收到,不過這裡沒有顯示,我就把留言copy過來。<br /><br />6. Conclusion已經寫一半了......<br /><br />目前是沒聽說年輪要校正,不過年輪並不總是長得那麼理想,尤其是bristlecone pine的年輪算是很難讀的,要精確並不是那麼容易。LTRR的網站http://ltrr.arizona.edu/about/treerings有提到一些年輪的不理想狀況,需要用某些方式排除這些狀況。<br />itchiang(thor)https://www.blogger.com/profile/15562888786714291602noreply@blogger.com