書誌事項
- タイトル別名
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- Groundwater Quality, Flow, and Nitrogen Pollution at the Southern Foot of Mt. Fuji
- フジサン ナンロク ノ チカスイ スイシツ,リュウドウ ト チッソ オセン
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Water samples (number of samples = 52) were collected from the vicinity of the southern foot of Mt. Fuji, central Japan, and were analyzed for major elements (Si, Al, Fe, Mg, Ca, Na, K, Cl-, HCO3-, NO3-, etc.) and other chemical properties (pH, EC, ORP, etc.). The results show that major element concentrations increase with decreasing elevation, particularly at a low-elevation site.<br> In the Yoshihara area, located at the southwestern foot, anion and cation concentrations vary widely and increase from west to east. In this area, water samples with a high total concentration tend to contain a high NO3- concentration, suggesting NO3- pollution of the groundwater. By contrast, in the southeastern area, NO3- pollution was not recognized. Based on nitrogen isotopic and ionic concentration data, the high NO3- concentration in the southwestern area is considered to be due to inorganic fertilizer (e.g. (NH4)2SO4) used at tea farms. Analytical results show two groundwater flows in a high-elevation area along the Urui River and in the direction from a high-elevation site at the southwestern foot toward Susono City, and that they mix together at a low-elevation site. In the southeastern foot area, two groundwater flows derive from a high-elevation site on Mt. Fuji along the Gotenba mudflow and the Mishima lava flow. The latter groundwater mixes with groundwater derived from Ashitaka and the Hakone mountains.
収録刊行物
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- 地学雑誌
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地学雑誌 123 (3), 323-342, 2014
公益社団法人 東京地学協会
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詳細情報 詳細情報について
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- CRID
- 1390001204237401088
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- NII論文ID
- 130004813819
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- NII書誌ID
- AN00322536
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- ISSN
- 18840884
- 0022135X
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- NDL書誌ID
- 025617396
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可