Figure 1

Defining the global onset of the Anthropocene Epoch in the Southern Ocean. Location of New Zealand subantarctic Campbell Island (red box, panel a), sedimentary and tree-ring sites including the Sitka spruce in Camp Cove (panel b). Panels a and b were generated using GMT (Generic Mapping Tools) version 5.2.1 (ref.71) and from Land Information New Zealand (LINZ; http://www.linz.govt.nz/) respectively.