フィリピン国ルソン島北部太平洋岸の完新世の相対的海面変動 Holocene Relative Sea-level Fluctuations Recorded in Tidal Notches along the Pacific Coast of Northern Luzon, Philippines

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 Relative sea-level data of the Philippines can be used to reconstruct global sea-level histories because isostatic influences from the melting of gigantic ice fields formerly located on both North American and European continents during the last glacial age are not significant. Ages and elevations of tidal notches are mapped along the northern coast of the Luzon Island, Philippines, and the results indicate that sea level during the Holocene was punctuated by discrete sea-level high stands. The first high stand occurred between 7.5-6.0 ky BP when sea level reached of 1 m above the present mean low tide level (pmlt). This was followed at a second rise of sea level reaching from 1.8 m to 2.7 m above pmlt from 6.0 to 4.0 ky BP. A descending trend of sea-level was then observed and stayed at a level from 0.9 to 1.2 m above pmlt between 2.8 and 1.2 ky BP. Although the magnitudes of these Holocene high stands differ depending on the locations of Luzon Island due to tectonic histories, observed 3 Holocene high stands have been widely reported around the Philippines. Given that three sea level high stands during the Holocene have been found with similar timings in Japan, Vietnam, and Australia, they seems to represent global climate signals.

収録刊行物

  • 地學雜誌

    地學雜誌 118(6), 1284-1291, 2009-12-25

    公益社団法人 東京地学協会

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各種コード

  • NII論文ID(NAID)
    10030367782
  • NII書誌ID(NCID)
    AN00322536
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    0022135X
  • NDL 記事登録ID
    10560325
  • NDL 雑誌分類
    ZM41(科学技術--地球科学)
  • NDL 請求記号
    Z15-169
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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