Articles | Volume 12, issue 19
Biogeosciences, 12, 5597–5618, 2015
https://doi.org/10.5194/bg-12-5597-2015
Biogeosciences, 12, 5597–5618, 2015
https://doi.org/10.5194/bg-12-5597-2015

Research article 01 Oct 2015

Research article | 01 Oct 2015

Seasonal hydrology drives rapid shifts in the flux and composition of dissolved and particulate organic carbon and major and trace ions in the Fraser River, Canada

B. M. Voss et al.

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This study presents seasonal cycles of organic matter concentration and composition in the Fraser River. Dissolved organic matter patterns are linked to flushing of shallow soil layers during spring snowmelt and fall rain events. The preliminary Hg data set indicates significant changes in concentrations during the spring freshet. Organic carbon export, as both area-normalized yield and the proportion of basin primary productivity, in the Fraser River is typical of large rivers globally.
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