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Apparent increase in Mn and As accumulation in the surface of sediments in Lake Biwa, Japan, from 1977 to 2009
ake Biwa manganese arsenic temporal variation environmental change
2017/4/11
An apparent temporal increase in Mn and As in a thin surface layer (ca. 2 cm) of sediments in Lake Biwa, Japan, was
observed by comparing depth profile data from 1977 and 2009. By our estimation, sev...
Polycyclic aromatic hydrocarbons in the surface sediments from Yellow River, China
Polycyclic aromatic hydrocarbons Sediment Yellow River
2013/12/12
Fourteen surface sediment samples were collected from Lanzhou Reach of Yellow River, China in July 2005. The concentrations of 16priority polycyclic aromatic hydrocarbons (PAHs) were determined by gas...
Why the phosphorus retention of lakes does not necessarily depend on the oxygen supply to their sediment surface
phosphorus retention of lakes oxygen supply sediment surface
2014/5/20
In order to improve the trophic state of Lake Sempach, a eutrophied lake in central Switzerland, its external phosphorus (P) load has been decreased and its hypolimnion has been artificially oxygenate...