Fig. 4: POC-abundance model derived from paleo-abundance data and modeled particulate organic carbon (POC) flux at 600 m.
From: What the geological past can tell us about the future of the ocean’s twilight zone
Data from ref. 8, with general low-latitude linear regression model applied (thick black line). Site-specific linear regressions are shown as dashed lines. The shaded gray is ±1 standard deviation for the general model. Each data point represents data from one site at one time period, covering seven time periods from the mid-Miocene to the preindustrial present at roughly 2.5 million year time intervals. Data from site 242 (black squares), 871 and 872 (green diamonds), U1482 (orange circles), U1489 (red crosses), and U1490 (blue triangles). More information is available in Methods.
