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Figure 5

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modified on 2017-10-14, 19:37
Figure 5 | a, Model particulate plume on the 10th day after start release (at the end of eddy I passing period) containing 5.7·105 individual particles suspended in a water (grey dots) and settled on seafloor (colours). The area with substantial accumulated sediment layer thickness (in m) is shown over bathymetry (grey lines, 50 m). Points along the nodule collector tracks were aligned with equally-spaced Archimedes spiral and shown on a dashed in-cut to indicate the scale of the harvested zone during the last day (red) and since the beginning of experiment (green). Red and green triangles indicate three mooring sites, labelled with M-1, M-2 and M-3, and two sediment core sampling sites53 respectively. b, Settling footprint after 10 days of a similar SPM release over period II without eddy impact. High_Res_Figure_5 (https://figshare.com/s/5472457ce071bd654305) and animations are available on-line via Supplementary Info 2D_plume_movie.gif (https://figshare.com/s/abd96d10a22263c42e3b). Figure and media animation were plotted using MATLAB R2015b (http://www.mathworks.com/).

Funding

European Commission's Framework 7 Programme project - Managing Impacts of Deep-seA reSource exploitation (MIDAS), Grant No 603418.