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Carbon Sequestration Rate Estimates in Delaware Bay and Barnegat Bay Tidal Wetlands Using Interpolation Mapping

Author

Listed:
  • Lena Champlin

    (Department of Biodiversity, Earth and Environmental Science, Drexel University and The Academy of Natural Science, Philadelphia, PA 19103, USA)

  • David Velinsky

    (Department of Biodiversity, Earth and Environmental Science, Drexel University and The Academy of Natural Science, Philadelphia, PA 19103, USA)

  • Kaitlin Tucker

    (University of Delaware, Newark, DE 19716, USA
    Partnership for the Delaware Estuary, Wilmington, DE 19801, USA)

  • Christopher Sommerfield

    (University of Delaware, Newark, DE 19716, USA
    Deceased)

  • Kari St. Laurent

    (Delaware National Estuarine Research Reserve, Dover, DE 19734, USA)

  • Elizabeth Watson

    (Department of Biodiversity, Earth and Environmental Science, Drexel University and The Academy of Natural Science, Philadelphia, PA 19103, USA)

Abstract

Quantifying carbon sequestration by tidal wetlands is important for the management of carbon stocks as part of climate change mitigation. This data publication includes a spatial analysis of carbon accumulation rates in Barnegat and Delaware Bay tidal wetlands. One method calculated long-term organic carbon accumulation rates from radioisotope-dated (Cs-137) sediment cores. The second method measured organic carbon density of sediment accumulated above feldspar marker beds. Carbon accumulation rates generated by these two methods were interpolated across emergent wetland areas, using kriging, with uncertainty estimated by leave-one-out cross validation. This spatial analysis revealed greater carbon sequestration within Delaware, compared to Barnegat Bay. Sequestration rates were found to be more variable within Delaware Bay, and rates were greatest in the tidal freshwater area of the upper bay.

Suggested Citation

  • Lena Champlin & David Velinsky & Kaitlin Tucker & Christopher Sommerfield & Kari St. Laurent & Elizabeth Watson, 2020. "Carbon Sequestration Rate Estimates in Delaware Bay and Barnegat Bay Tidal Wetlands Using Interpolation Mapping," Data, MDPI, vol. 5(1), pages 1-11, January.
    • Handle: RePEc:gam:jdataj:v:5:y:2020:i:1:p:11-:d:313102
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