Seasonal Deposition Fluxes of Polycyclic Aromatic Hydrocarbons (PAHs) in Lake Biwa, Japan | Zendy

Shuji Tamamura | Zendy; Tsutomu Satō | Zendy; Yukie Ota | Zendy; Yasuaki Aota | Zendy; Kenji Kashiwaya | Zendy; Michio Kumagai | Zendy

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Seasonal Deposition Fluxes of Polycyclic Aromatic Hydrocarbons (PAHs) in Lake Biwa, Japan

Author(s) -

Shuji Tamamura,

Tsutomu Satō,

Yukie Ota,

Yasuaki Aota,

Kenji Kashiwaya,

Michio Kumagai

Publication year - 2008

Publication title -

water air and soil pollution

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.557

H-Index - 111

eISSN - 1573-2932

pISSN - 0049-6979

DOI - 10.1007/s11270-008-9846-1

Subject(s) - deposition (geology) , seasonality , environmental science , environmental chemistry , flux (metallurgy) , sediment , spring (device) , hydrology (agriculture) , chemistry , geology , ecology , geomorphology , mechanical engineering , geotechnical engineering , organic chemistry , engineering , biology

Seasonal deposition fluxes of polycyclic aromatic hydrocarbons (PAHs) in the North Basin of Lake Biwa were investigated by monthly collecting sediment trap samples through a year from July 2003. Average deposition flux of total PAHs was 75 ng cm-2 year-1, similar to those for other rural area. Deposition fluxes of PAHs did varied seasonally. In the vertical mixing period of the lake, late autumn to early spring, the fluxes of less volatile PAHs were enhanced while those for volatile PAHs were not. The size difference of particles associated with volatile and less volatile PAHs caused the seasonal variation of the fluxes. Oil discharge from water delivery equipments may contribute the fluxes of volatile PAHs in summer to autumn. © 2008 Springer Science+Business Media B.V

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