Journal Highlights

Revealing additional sources of carbon on barrier islands

Editor’s Highlight—

 

This paper presents field measurements on carbon accumulation and loss from two barrier islands to explore the carbon-reservoir life cycle in these marine environments. Most research on barrier islands has concentrated on the role of saltmarshes as carbon sinks but this study considers carbon budgets across the entire barrier landform, not just looking at marsh growth but also at marsh loss and erosion of relict marsh deposits through the shoreface of a transgressive barrier. This serves to highlight a hitherto unacknowledged important source of carbon in the face of sea-level rise, making this type of environment a potential source of positive feedback in the process of global warming. 

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