Fig. 2: Marine sediment core.
From: Vulnerability of the North Water ecosystem to climate change
a Computerised tomography scan image of the Casq1 core. b CT number. Denser areas appear whiter in the CT scan image. c Total organic carbon (TOC) percentage weight. d TOC-normalised concentrations of the sea ice biomarker IP25. e TOC-normalised concentrations of HBI III (Triene). f Sedimentation rates. g Modelled median age-depth relationships constructed in BACON for CASQ1 and CASQ1 BC (insert). Error bars and dashed lines represent 95% confidence intervals (for dates see Supplementary Table 1). The grey bar indicates the stratigraphic interval covered only by the box-core record.
