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Concentration and species of dissolved iron in waters in Sanjiang plain, China
https://chikyu.repo.nii.ac.jp/records/2759
https://chikyu.repo.nii.ac.jp/records/2759b832a28d-fa33-4cf5-ae92-c492568deeff
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
Concentration and species of dissolved iron in waters in Sanjiang plain, China (657.8 kB)
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| Item type | 図書の一部 / Book(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2018-12-17 | |||||
| タイトル | ||||||
| タイトル | Concentration and species of dissolved iron in waters in Sanjiang plain, China | |||||
| タイトル | ||||||
| タイトル | Concentration and species of dissolved iron in waters in Sanjiang plain, China | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Fraction of dissolved iron | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | land use change | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Sanjiang Plain | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | wetland | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Amur River | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Naoli River | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_2f33 | |||||
| 資源タイプ | book | |||||
| 著者 |
YAN, B.
× YAN, B.× ZHANG, B.× 楊, 宗興× PAN, X.× YAN, B× ZHANG, B.× YOH, MUNEOKI× PAN, X. |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Water samples were collected from May to October in 2005-2008 to investigate the concentrations and fractions of dissolved iron in rivers, wetland and agricultural drainage in Sanjiang Plain, where land-use has been changing greatly since last fifty years although was formerly the largest concentrative distribution area of freshwater marshes in China. cross-flow technique was used to separate iron species by size fraction. The aim of this study is to reveal the iron fraction and to evaluate the effect of land-use change on transport and output flux of dissolved iron. The results show that marsh and marshy rivers exhibited higher concentrations of dissolved iron than in Amur River, Songhua River and Ussuri River and are the primary sources of dissolved iron for the rivers. Low molecular weight (LMW) iron was the major fraction of dissolved iron both in wetland and marshy streams, and 71% of LMW iron was in organic form in wetland. 73%-82% of dissolved iron was in the form of complexed iron in rivers. Ferrous iron accounted for 80.45% of dissolved iron in groundwater. The concentrations of high molecular weight and medium molecular weight iron (colloid iron) increased in paddy waters and ditch waters compared with in groundwater. Ferric and ferrous concentrations in Naoli River decreased between 1960’s and 2008. Land-use change in Sanjiang Plain reduces the output of dissolved iron, especially LMW iron and resulted in a great reduction of output flux of dissolved iron to Amur River. | |||||
| 図書名 | ||||||
| 収録物名 | Report on Amur-Okhotsk Project No.6 | |||||
| 出版者 | ||||||
| 出版者 | Amur-Okhotsk Project | |||||
| 開始ページ | ||||||
| 開始ページ | 183 | |||||
| 終了ページ | ||||||
| 終了ページ | 194 | |||||
| 出版年月日 | ||||||
| 日付 | 2010-03 | |||||
| 日付タイプ | Issued | |||||
| ISBN | ||||||
| 関連タイプ | isPartOf | |||||
| 識別子タイプ | ISBN | |||||
| 関連識別子 | 4-902325-47-8 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | http://www.chikyu.ac.jp/AMORE/ | |||||
| 関連名称 | アムール・オホーツクプロジェクト | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | http://www.chikyu.ac.jp/ | |||||
| 関連名称 | 総合地球環境学研究所 | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
| 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 | |||||
