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Bibliographic Record
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- Material Type
- 文書・図像類
- Author/Editor
- 森脇, 広
- Author Heading
- 森脇, 広 モリワキ, ヒロシ
- Publication, Distribution, etc.
- Alternative Title
- Study on the Holocene sea-level change and coastal evolution in the Cook Islands, south Pacific
- Text Language Code
- jpn
- Target Audience
- 一般
- Note (General)
- 2008-2010年度科学研究費補助金(基盤研究(B))研究成果報告書 課題番号：20401004 研究代表者：森脇広 (鹿児島大学法文学部教授)クック諸島のラロトンガ島，アイツタキ島，マンガイア島において，海岸平野とサンゴ礁の地形と堆積物の調査から，海岸平野を構成する諸地形の分布，後氷期と最終間氷期の海岸地形形成の関係，完新世の海岸環境変化と海面変化を検討した．中心的に調査したラロトンガ島では，完新世の海岸低地は，海面が5,000-6,000 年前に現海面に達したのち，全体としては過去約4,000-5,000 年前から離水が開始され，順次汀線が前進してきた．We examined the occurrences of various landforms constituting coastal plains, the relation of postglacial coastal landforms to those of the last interglacial, Holocene coastal developments and sea-level changes in Rarotonga, Aitutaki and Mangaia islands, Cook Islands, on the basis of the investigation of landforms and sediments of coastal plains and coral reefs. In Rarotonga focused in this study, after sea level attained present sea level c. 5,000-6,000 years ago, coastal plains have generally emerged since c. 4,000-5,000 years ago.