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Long-term perspectives on terrestrial and aquatic carbon cycling from palaeolimnology

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posted on 2017-08-18, 15:06 authored by Suzanne McGowan, Nicholas John AndersonNicholas John Anderson, Mary E. Edwards, Peter G. Langdon, Vivienne J. Jones, Simon D. Turner, Maarten Van Hardenbroek, Erika J. Whiteford, Emma Wiik
Lakes are active processors and collectors of carbon (C) and thus recognized as quantitatively important within the terrestrial C cycle. Better integration of palaeolimnology (lake sediment core analyses) with limnological C budgeting approaches has the potential to enhance understanding of lacustrine C processing and sequestration. Palaeolimnology simultaneously assimilates materials from across lake habitats, terrestrial watersheds, and airsheds to provide a uniquely broad overview of the terrestrial-atmospheric-aquatic linkages across different spatial scales. The examination of past changes over decadal–millennial timescales via palaeolimnology can inform understanding and prediction of future changes in C cycling. With a particular, but not exclusive, focus on northern latitudes we examine the methodological approaches of palaeolimnology, focusing on how relatively standard and well-tested techniques might be applied to address questions of relevance to the C cycle. We consider how palaeolimnology, limnology, and sedimentation studies might be linked to provide more quantitative and holistic estimates of lake C cycling and budgets. Finally, we use palaeolimnological examples to consider how changes such as terrestrial vegetation shifts, permafrost thaw, the formation of new lakes and reservoirs, hydrological modification of inorganic C processing, land use change, soil erosion and disruption to global nitrogen and phosphorus cycles might influence lake C cycling.

Funding

Many of the concepts in this review have been discussed anddeveloped as part of the NERC-funded project NE/K000349/1 'Lakes and the Arctic carbon cycle'.

History

School

  • Social Sciences

Department

  • Geography and Environment

Published in

Wiley Interdisciplinary Reviews: Water

Volume

3

Issue

2

Pages

211 - 234

Citation

MCGOWAN, S. ... et al., 2016. Long-term perspectives on terrestrial and aquatic carbon cycling from palaeolimnology. Wiley Interdisciplinary Reviews: Water, 3 (2), pp.211-234.

Publisher

Wiley (© the authors)

Version

  • VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution 4.0 International (CC BY 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by/4.0/.

Publication date

2016

ISSN

2049-1948

Language

  • en

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