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

Voss, B. M.; Peucker-Ehrenbrink, B.; Eglinton, T. I.; Spencer, R. G. M.; Bulygina, E.; Galy, V.; Lamborg, C. H.; Ganguli, P. M.; Montluçon, D. B.; Marsh, S.; Gillies, S. L.; Fanslau, J.; Epp, A.; Luymes, R.

doi:https://doi.org/10.5194/bg-12-5597-2015

Articles | Volume 12, issue 19

https://doi.org/10.5194/bg-12-5597-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-12-5597-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 12, issue 19

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, B. Peucker-Ehrenbrink, T. I. Eglinton, R. G. M. Spencer, E. Bulygina, V. Galy, C. H. Lamborg, P. M. Ganguli, D. B. Montluçon, S. Marsh, S. L. Gillies, J. Fanslau, A. Epp, and R. Luymes

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Final revised paper (published on 01 Oct 2015)
Supplement to the final revised paper
Preprint (discussion started on 21 May 2015)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC C3708: 'Review of “Seasonal hydrology drives rapid shifts in the flux and composition of dissolved and particulate organic carbon and mercury in the Fraser River, Canada” by Voss et al., submitted to Biogeosciences', Anonymous Referee #1, 21 Jul 2015
RC C3800: 'Review of manuscript bgd-12-7613-2015', Anonymous Referee #2, 24 Jul 2015
AC C4515: 'Response to Anonymous Reviewers 1 & 2', Britta Voss, 21 Aug 2015

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish as is (02 Sep 2015) by Brian A. Bergamaschi

AR by Britta Voss on behalf of the Authors (12 Sep 2015)

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Short summary

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.