Fig. 4. Impacts of sediment mixed layer (SML) on organic carbon storage.
a Distribution of organic carbon accumulation rates (OCAR) in the global coastal ocean (reproduced with permission from “Harris, P. T. & Macmillan-Lawler, M. Global Overview of Continental Shelf Geomorphology Based on the SRTM30_PLUS 30-Arc Second Database. In: Finkl, C., Makowski, C. (eds) Seafloor Mapping along Continental Shelves. 169-190 (2016)”, copyright of © 2016 Springer International Publishing Switzerland); b Distribution of the total organic carbon/specific surface area (TOC/SSA) ratios in global coastal sediments; c Sediment mixed layer (SML) in different shelf morphotypes; d Plot of OCAR versus SML thickness in global coastal ocean sediments; e Plot of OCAR and TOC/SSA ratios versus SML thickness in global coastal ocean sediments. Maps generated with python3-mpltoolkits.basemap (version 1.2.1, https://matplotlib.org/basemap/).