沿岸施設園芸地帯における地下水水質の多変量解析による類型化に関する研究 Study on the Characterization of Groundwater Quality in a Coastal Farming-area through the Multivariate Analysis

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著者

    • 藤原 拓 FUJIWARA Taku
    • 高知大学農学部生産環境工学科 Department of Environmental Technology, Faculty of Agriculture, Kochi University
    • 大年 邦雄 OHTOSHI Kunio
    • 高知大学農学部生産環境工学科 Department of Environmental Technology, Faculty of Agriculture, Kochi University
    • 山辺 敬介 YAMABE Keisuke
    • 高知大学農学部生産環境工学科 Department of Environmental Technology, Faculty of Agriculture, Kochi University

抄録

Not only application of fertilizer but seawater intrusion seems to affect the groundwater quality in a coastal farming area. In this study, field surveys were conducted to examine the characteristics of groundwater quality over a wide coastal area with farming greenhouses. Principal component analysis revealed that the information contained in the original data set was explained up to 75.8% by only four principal components, and that groundwater quality in the area was affected mainly by soil characteristics, application of fertilizer and seawater intrusion. The observation field was divided into three categories corresponding to the geographical information through the cluster analysis: (1)In the eastern, central and western part of Higashimorogi district, neither application of fertilizer nor seawater intrusion affected groundwater quality except three wells where the influence of fertilizer was large. (2)Characteristics of the soils were supposed to be different in northeastern part of Higashimorogi from other districts. (3)In Kodono district, not only seawater intrusion but application of fertilizer affected the water quality. It was also demonstrated that the effect of seawater intrusion on groundwater quality appeared more remarkably in a well nearer the coast and in a deeper well having the almost same distance from the coast.

収録刊行物

  • 水環境学会誌 = Journal of Japan Society on Water Environment

    水環境学会誌 = Journal of Japan Society on Water Environment 24(11), 724-732, 2001-11-10

    Japan Society on Water Environment

参考文献:  25件中 1-25件 を表示

被引用文献:  2件中 1-2件 を表示

各種コード

  • NII論文ID(NAID)
    10008005900
  • NII書誌ID(NCID)
    AN10372439
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09168958
  • NDL 記事登録ID
    5975801
  • NDL 雑誌分類
    ZN5(科学技術--建設工学・建設業--都市工学・衛生工学)
  • NDL 請求記号
    Z16-1045
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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