富山県庄川扇状地浅層地下水の水系区分 Geochemical study of ground water systems in the Shogawa Fan, Toyama

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Chemical analyses of ground and river waters of the Shogawa Fan, Toyama, have been made to identify sources of water and to interpret the flow direction of ground water in aquifers in the Fan. The analyses indicate 5 main ground water systems to exist in the Fan and its surrounding areas. The 2 systems are recharged by seepage from the Oyabe and Sho Rivers, respectively, and the others are by local rainfall in the Tonamiyama and Hotatsu Hills and Takashozu Range, respectively. Intermixing of water between the systems is also found near the foot of the Fan. Infiltration from the surface is suggested to interpret the increase in the sodium, chloride and sulfate con- centrations of ground waters. The increase in the calcium, magnesium and bicarbonate concentrations of ground waters is due probably to the dissolution of carbonates, such as CaCO<sub>3</sub>+CO<sub>2</sub>+H<sub>2</sub>O=Ca<sup>2+</sup>+2HCO<sub>3</sub><sup>-</sup>, in the aquifers. Inflows from mineral springs into the ground waters are also detected near the foot of the Tonamiyama and Hotatsu Hills.

収録刊行物

  • 地球化学

    地球化学 18(1), 29-35, 1984

    一般社団法人日本地球化学会

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各種コード

  • NII論文ID(NAID)
    110008679756
  • NII書誌ID(NCID)
    AN00141280
  • 本文言語コード
    JPN
  • 資料種別
    雑誌論文
  • ISSN
    0386-4073
  • NDL 記事登録ID
    3003610
  • NDL 刊行物分類
    ME34;M092
  • NDL 雑誌分類
    ZM41(科学技術--地球科学)
  • NDL 請求記号
    Z15-645
  • データ提供元
    CJP引用  NDL  NII-ELS  J-STAGE 
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