INFLUENCE FACTOR ANALYSIS IN A RESERVOIR CATCHMENT AREA FOCUSING ON MANGANESE AND TOTAL PHOSPHORUS IN SOILS
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- KOBAYASHI Masayuki
- 首都大学東京大学院 都市環境科学研究科
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- SAKAI Hiroshi
- 首都大学東京大学院 都市環境科学研究科
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- KOIZUMI Akira
- 首都大学東京大学院 都市環境科学研究科
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- YAMAZAKI Kimiko
- 首都大学東京大学院 都市環境科学研究科
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- INAKAZU Toyono
- 首都大学東京大学院 都市環境科学研究科
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- MURAKI Mizuho
- 東京都水道局 水源管理事務所
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- IWASAKI Hiromi
- 東京都水道局 水源管理事務所
Bibliographic Information
- Other Title
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- 貯水池の周辺流域土壌におけるマンガン及び全りんに着目した影響要因分析
- チョスイチ ノ シュウヘン リュウイキ ドジョウ ニ オケル マンガン オヨビ ゼンリン ニ チャクモク シタ エイキョウ ヨウイン ブンセキ
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Description
Reservoirs are generally closed water area, and largely impacted by inflowing rivers. Sediment in the Ogouchi reservoir has been known to be discharged from soils in catchment area via rainfall. It could be expected that prevention of discharge of manganese and phosphorous in soils would contribute to less manganese concentration in sediment and algal bloom prevention in the reservoir. This study focused on soil components in the reservoir catchment area. Amount of manganese and total phosphorous in soils were measured, and parameters were estimated for those two components by multiple regression analysis. Further, those two components were provided for correlation analysis with vegetations or slope in the catchments. It was found that there is a strong correlation between the amount of total phosphorous in soils and area ratio of a broadleaf tree.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)
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Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 74 (5), I_109-I_115, 2018
Japan Society of Civil Engineers