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- 井上 麻夕里
- 東北大学大学院理学研究科: (現) 産業技術総合研究所地質情報研究部門
書誌事項
- タイトル別名
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- Re-evaluation of Sr/Ca ratio in coral skeletons as a proxy for temperature
- オンド シヒョウ ト シテ ノ サンゴ コッカク チュウ ノ Sr Caヒ ヘンドウ ニ カンスル サイコウサツ
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抄録
Components in biogenic carbonates have been recognized to be attractive tools for reconstructing past oceanographic and climatic changes. Although chemical components in coral aragonite are precipitated away from equilibrium, fluctuations of Sr/Ca ratio in coral skeletons have been empirically considered to be controlled by temperature. Thus, Sr/Ca ratio in coral skeletons has been applied for paleoclimate reconstruction. Recently, coupled measurements of coral skeletal δ18O, indicator of both SST and seawater δ18O, and Sr/Ca ratio are used to reconstruct seawater salinity as well as SST. On the other hand, it has been reported that Sr/Ca is also affected by growth rate of coral skeleton besides SST. However, the impact of skeletal growth rate on Sr/Ca ratio is a matter of debate and controversial results have been reported at the present. In this review, recent progress of studies on the topics and a mechanism of growth rate-related Sr/Ca variation based on a physiological model are summarized.
収録刊行物
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- 地球化学
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地球化学 40 (3), 209-219, 2006
一般社団法人日本地球化学会
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詳細情報 詳細情報について
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- CRID
- 1390282680718262144
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- NII論文ID
- 110008680126
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- NII書誌ID
- AN00141280
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- ISSN
- 21885923
- 03864073
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- NDL書誌ID
- 8077412
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
