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Geomorphological controls on fluvial carbon storage in headwater peatlands

Danielle M Alderson,M. Evans,J. Rothwell,E. Rhodes,S. Boult

Published 2019 in Earth Surface Processes and Landforms

ABSTRACT

Geomorphological controls and catchment sediment characteristics control the formation of floodplains and affect their capacity to sequester carbon. Organic carbon stored in floodplains is typically a product of pedogenic development between periods of mineral sediment deposition. However, in organically‐dominated upland catchments with a high sediment load, eroded particulate organics may also be fluvially deposited with potential for storage and/or oxidation. Understanding the redistribution of terrestrial carbon laterally, beyond the bounds of river channels is important, especially in eroding peatland systems where fluvial particulate organic carbon exports are often assumed to be oxidised. Floodplains have the potential to be both carbon cycling hotspots and areas of sequestration. Understanding of the interaction of carbon cycling and the sediment cascade through floodplain systems is limited.

PUBLICATION RECORD

  • Publication year

    2019

  • Venue

    Earth Surface Processes and Landforms

  • Publication date

    2019-03-28

  • Fields of study

    Geography, Environmental Science

  • Identifiers
    DOI 10.1002/esp.4602
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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