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Evaluation of Jeju/Tsushima Hermatypic Corals as Sea Surface Temperature (SST) Recorders

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タイトル: Evaluation of Jeju/Tsushima Hermatypic Corals as Sea Surface Temperature (SST) Recorders
その他のタイトル: 제주/쓰시마 조초성 산호의 수온 기록자로서의 가능성 평가
著者: Hyeong, Ki-Seong 著作を一覧する
Shimamura, Michiyo 著作を一覧する
Watanabe, Tsuyoshi 著作を一覧する
Yamano, Hiroya 著作を一覧する
Sugihara, Kaoru 著作を一覧する
Kim, Jong-Uk 著作を一覧する
キーワード: paleo-SST proxy
Alveopora
Favia
Jeju
Tsushima
発行日: 2008年
出版者: Korea Institute of Ocean Science & Technology
誌名: Ocean and Polar Research
巻: 30
号: 3
開始ページ: 351
終了ページ: 359
出版社 DOI: 10.4217/OPR.2008.30.3.351
抄録: In an effort to develop high-resolution sea surface temperature (SST) proxies for mid-latitude regions, two massive reef-building coral species, Alveopora and Favia, were collected from Jeju and Tsushima Islands, respectively. Their skeletons were subsequently analyzed for annual growth banding, Sr/Ca and Mg/Ca ratios. Hermatypic corals are thinly distributed in the waters of Jeju Island, where Alveopora japonica was the only dominant coral species. A higher diversity of hermatypic corals were observed in the waters of Tsushima Island, where Favia sp. was the most common coral species and even forming an about 6-m-high reef structure. Both Alveopora and Favia showed annual growth layers consisting of couplets of high- and low-density bands. Sr/Ca ratio of both species and Mg/Ca ratio of Alveopora also showed seasonal variation, likely reflecting SST variation. These results suggest the possibility that Alveopora and Favia species can be used as potential SST proxies. However, this study also highlights the potential growth disturbance of middle latitude corals due to high rainfall during monsoon and low SST during winter. This possibility should be taken into account in the investigation of Sr/Ca(Mg/Ca)-SST relationships.
資料タイプ: article
URI: http://hdl.handle.net/2115/57399
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 渡邊 剛

 

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