Distribution and temporal changes of lead in the surface seawater in the western Pacific and adjacent seas derived from coral skeletons

Mayuri Takeuchi, Akiko Hata, Atsushi Suzuki, Masato Nohara, Naotatsu Shikazono, Wyss W S Yim, Wahyoe S. Hantoro, Sun Donghuai, Hodaka Kawahata

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

We determined Pb contents together with Pb isotopic compositions in coral skeletons (Porites spp.) collected from the western Pacific and adjacent seas to examine distribution of Pb in sea surfaces. Temporal records of Pb were also investigated using coral skeletons from Hainan and Ogasawara Island, located in China and Japan, respectively. The spatial distribution of Pb showed a clear dilution pattern of Pb from Asian continent to the open ocean. Also the similar trend was found in the Java Sea from Jakarta to the offshore. In addition to the spatial distribution, Pb contents in Ogasawara coral have gradually increased during last 108 years. It may be attributed to Pb emission mainly from industrial activities in Asian countries. Hainan coral, which provided 10 years record of Pb, showed a remarkable decline around 1997 probably due to the partial introduction of unleaded gasoline in China.

Original languageEnglish
Pages (from-to)1045-1052
Number of pages8
JournalEnvironmental Pollution
Volume144
Issue number3
DOIs
Publication statusPublished - Dec 2006
Externally publishedYes

Fingerprint

Anthozoa
Seawater
Skeleton
Oceans and Seas
skeleton
Spatial distribution
coral
Lead
seawater
Dilution
Gasoline
China
temporal record
spatial distribution
Chemical analysis
open ocean
Islands
sea surface
Japan
dilution

Keywords

  • Coral skeleton
  • Pb pollution
  • The western Pacific

ASJC Scopus subject areas

  • Environmental Chemistry
  • Environmental Science(all)
  • Pollution

Cite this

Distribution and temporal changes of lead in the surface seawater in the western Pacific and adjacent seas derived from coral skeletons. / Takeuchi, Mayuri; Hata, Akiko; Suzuki, Atsushi; Nohara, Masato; Shikazono, Naotatsu; Yim, Wyss W S; Hantoro, Wahyoe S.; Donghuai, Sun; Kawahata, Hodaka.

In: Environmental Pollution, Vol. 144, No. 3, 12.2006, p. 1045-1052.

Research output: Contribution to journalArticle

Takeuchi, Mayuri ; Hata, Akiko ; Suzuki, Atsushi ; Nohara, Masato ; Shikazono, Naotatsu ; Yim, Wyss W S ; Hantoro, Wahyoe S. ; Donghuai, Sun ; Kawahata, Hodaka. / Distribution and temporal changes of lead in the surface seawater in the western Pacific and adjacent seas derived from coral skeletons. In: Environmental Pollution. 2006 ; Vol. 144, No. 3. pp. 1045-1052.
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