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  1. SSMSパブリケーション
  2. Vol.09

NITRATE NITROGEN POLLUTION BY RECHRGE IN AGRIVULTURAL AREA IN KUMAMOTO AREA, JAPAN

http://hdl.handle.net/10173/1246
http://hdl.handle.net/10173/1246
0c784cdf-615c-42f1-a4b2-bd74cda38f79
名前 / ファイル ライセンス アクション
sms13-5572.pdf sms13-5572.pdf (1.9 MB)
Item type 会議発表論文 / Conference Paper(1)
公開日 2015-02-28
タイトル
タイトル NITRATE NITROGEN POLLUTION BY RECHRGE IN AGRIVULTURAL AREA IN KUMAMOTO AREA, JAPAN
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_5794
資源タイプ conference paper
著者 ICHIKAWA, Tsutomu

× ICHIKAWA, Tsutomu

ICHIKAWA, Tsutomu

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ITO, Yui

× ITO, Yui

ITO, Yui

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MEKPRUKSAWONG, Phattaporn

× MEKPRUKSAWONG, Phattaporn

MEKPRUKSAWONG, Phattaporn

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抄録
内容記述タイプ Abstract
内容記述 Kumamoto city located in the middle of the Kyusyu Island, Japan is a greatest city which uses
groundwater for domestic water. There are 4 groundwater areas in Kumamoto prefecture, and the Kumamoto
area is the biggest one in those 4 areas. In this area, all of domestic water for 1 million populations depends
only on groundwater. In addition, this groundwater is used to agriculture and industrial too. And this
groundwater is the important resource for supporting development of Kumamoto prefecture. However,
groundwater level decreased year by year until 2004. It seems that paddy field having high ability for
groundwater recharge is continuously decreasing. Because of that, Kumamoto city and 4 companies have
performed the ponding water project on the farmland in the Middle Shira-River Area since 2004. The
ponding water project is that farmer keep water on farmland which stops cropping rice by the
acreage-reduction policy. In this way, groundwater level is rise up. However, recently, the nitrate nitrogen
concentration of groundwater rises. And, it is said that the ponding water project is a cause of the nitrate
nitrogen pollution of groundwater. Therefore the authors estimated quantity of nitrate nitrogen eluviation
from ponding water on farmland in the Middle Shira-River Area. The typical crop fields are selected for
analysis. As a result, it is considered that the ponding water project does not contribute to the nitrate nitrogen
pollution.
書誌情報 Society for Social Management Systems Internet Journal

巻 9, 発行日 2014-12
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
出版者
出版者 Society for Social Management Systems
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