Fig. 2: Drivers of organic carbon (OC) erosion rates along the beach and shorefaces of the Virginia Barrier Islands.
From: Shoreface erosion counters blue carbon accumulation in transgressive barrier-island systems
Shown are regressions between shoreline-normalized OC erosion rates and: (a) Lagoon thickness with horizontal error bars representing standard error; (b) Long-term (1870–2017 C.E.) shoreline change rates (SCR) with horizontal error bars representing the average of all transect 90% confidence intervals for each island (see Supplementary Information); and (c) Long-term average marsh exposure rates with horizontal error bars representing total uncertainty of marsh exposure rates (see Supplementary Information). Error bars smaller than symbols are not shown. Vertical error bars represent uncertainty propagations for Eq. (1) outputs. Solid lines indicate fitted linear regressions; gray windows demarcate 95% confidence intervals. Island abbreviations: Assa Assawoman; Met Metompkin; Ced Cedar; Parr Parramore; SS Ship Shoal; Myrt Myrtle.
