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Deposition of long-range transported particulate matter on the needle surfaces of Japanese cypress (Chamaecyparis obtusa) grown in Nagasaki located in the western region of Japan
http://hdl.handle.net/10069/38893
http://hdl.handle.net/10069/38893fe65ff38-30db-43e6-a6cd-93ef64f6494b
名前 / ファイル | ライセンス | アクション |
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JAM75_30.pdf (703.5 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-03-15 | |||||
タイトル | ||||||
タイトル | Deposition of long-range transported particulate matter on the needle surfaces of Japanese cypress (Chamaecyparis obtusa) grown in Nagasaki located in the western region of Japan | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Back trajectory analysis | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Enrichment factor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Long-range transport | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Particulate matter deposition on forest | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Pb isotope ratio | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
YAMAGUCHI, Masahiro
× YAMAGUCHI, Masahiro× TSUJI, Sayaka× OGATA, Kasumi× IDE, Hayato× MATSUSHITA, Taketomo× MURAO, Naoto |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | To characterize the deposition of long-range transported particulate matter (PM) on the foliar surface of Japanese forest trees, we periodically collected the PM deposited on the needle surface of mature Japanese cypress (Chamaecyparis obtusa) grown in the mountainous area of Nagasaki located in the western region of Japan from 24 April to 30 October, 2017. Metal element compositions and concentration ratios along with the ratios of Pb isotopes in the PM were analyzed. The total amount of metal elements (Na, Mg, Al, K, Ca, V, Cr, Mn, Fe, Ni, Cu, Zn, As and Pb) on the needle surfaces was relatively low during summer and autumn but was high during the spring when there was high atmospheric concentration of PM with diameter less than 2.5 μm due to influence of outflow from Asian continent. The seasonal variations in the amounts of less-abundant metal elements (Al, V, Ni, Cu, Zn, As and Pb) exhibited similar trends. The Pb amount varied with Zn amount at a constant ratio of 0.4, which was close to the Pb /Zn ratio of PM in China. Most of the Pb isotope ratios ( 207 Pb/ 206 Pb and 208 Pb / 206 Pb) in the PM were close to those observed in the Chinese coal. Therefore, Pb on the needle could have originated from the coal combustion in China. The enrichment factor (EF) of Pb ranged from 650 to 2270, and was significantly correlated with the 207 Pb / 206 Pb ratios, suggesting that components having EFs of greater than 650 could have originated from anthropogenic source. The amount of Pb significantly correlated with that of Ni, Cu, Zn, and As, which showed EFs more than 650. These results indicate that the long-range transported PM, including Pb, Ni, Cu, Zn, and As, originated from the anthropogenic sources in China, and deposited on the needle of C. obtusa grown in Nagasaki. |
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書誌情報 |
Journal of Agricultural Meteorology 巻 75, 号 1, p. 30-38, 発行日 2019-01-10 |
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出版者 | ||||||
出版者 | 日本農業気象学会 | |||||
出版者別言語 | ||||||
Society of Agricultural Meteorology of Japan | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00218588 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18810136 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2480/agrmet.D-18-00016 | |||||
権利 | ||||||
権利情報 | c 2019, Society of Agricultural Meteorology of Japan. | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Journal of Agricultural Meteorology, 75(1), pp.30-38; 2019 |