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  1. 紀要論文
  2. 環境情報研究
  3. 第8号(2000.04)

<論文>千葉県北部における酸性雨の地域的特性について(5) : 1998年度観測結果

https://keiai.repo.nii.ac.jp/records/1643
https://keiai.repo.nii.ac.jp/records/1643
b049a363-58e6-44e2-9d46-22151c625e8d
名前 / ファイル ライセンス アクション
KJ00000195426.pdf KJ00000195426.pdf (1.2 MB)
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Item type [ELS]紀要論文 / Departmental Bulletin Paper(1)
公開日 2016-08-18
タイトル
タイトル <論文>千葉県北部における酸性雨の地域的特性について(5) : 1998年度観測結果
タイトル
タイトル Regional Characteristics of Acid Rain in the Northern Part of Chiba Prefecture : Part 5 : Results of the observation from April 1998 to March 1999
言語 en
言語
言語 jpn
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 departmental bulletin paper
雑誌書誌ID
収録物識別子タイプ NCID
収録物識別子 AN1041551X
著者 中村, 圭三

× 中村, 圭三

中村, 圭三

ja-Kana ナカムラ, ケイゾウ

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NAKAMURA, Keizo

× NAKAMURA, Keizo

en NAKAMURA, Keizo

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抄録(英)
内容記述タイプ Other
内容記述 In order to clarify the regional characteristics of acid rain in Chiba Prefecture, data of precipitation obtained during the period from April 1998 to March 1999 with the aid of the environmental monitoring volunteers of the Institute of Environmental Studies of Keiai University were analyzed. The results of the analyses are summarized as follows : 1) For pH mean value distribution diagram in the warm period in fiscal 1998,the highest with over pH5.25 was in Kurimoto and near Mobara, and the pH value decreased for the circumference. 2) The highest value for pH mean value distribution diagram in the cool season was over pH5.5 in the inland from Kurimoto to Yachimata is distributed, and pH5.0 or less near Funabasi in the West. 3) NO_3^-/nss-SO_4^<2-> ratio (N/S ratio) of the Northern Region in Chiba Prefecture was generally higher than the preceding year. N/S ratio of the region in the north was under 1.0 in the warm period. A value under 0.8 was together distributed near Kashima marime industrial district and Keiyo industrial area in the cool season. 4) The pH distribution and fractional acidity [H^+]/([nss-SO_4^<2->]+[NO_3^-]) distribution in the warm period showed very good correlation. The relationship between pH and fractional acidity (A) in the warm period in Choshi is shown in the following equation. pH=-3.18A+5.90 r=-0.83 And, the relationship between pH and fractional acidity (A) in cool season is shown in the following equation. pH=-3.57A+5.82 r=-0.93
書誌情報 環境情報研究
en : Journal of Environmental Studies

号 8, p. 37-59, 発行日 2000-04-30
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