Arctic deltaic lake sediments as recorders of fluvial organic matter deposition

J.E. Vonk, A.F. Dickens, L. Giosan, Z.A. Hussain, B. Kim, S.C. Zipper, R.M. Holmes, D.B. Montlucon, V. Galy, T.I. Eglinton

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Arctic deltas are dynamic and vulnerable regions that play a key role in land-ocean interactions and the global carbon cycle. Delta lakes may provide valuable historical records of the quality and quantity of fluvial fluxes, parameters that are challenging to investigate in these remote regions. Here we study lakes from across the Mackenzie Delta, Arctic Canada, that receive fluvial sediments fromthe Mackenzie River when spring flood water levels rise above natural levees. We compare downcore lake sediments with suspended sediments collected during the spring flood, using bulk (% organic carbon, % total nitrogen, δ
Original languageEnglish
Article number77
JournalFrontiers in Earth Sciences
Issue number4
DOIs
Publication statusPublished - 2016

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