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We examined monthly changes in polycyclic aromatic hydrocarbons (PAHs) in sediment trap samples collected from the northern basin of Lake Biwa, Japan, from September 2003 to July 2004 to elucidate the sources of PAHs in the lake. The most abundant concentrations were those of pyrene and fluoranthene, at μg g−1 levels throughout the sampling period, with a strong positive relationship (r = 0.996, n...
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...
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