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. 2018 Feb 14;4(2):eaaq0500. doi: 10.1126/sciadv.aaq0500

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Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 3 — (A) Oceanic crustal CO₂ dependence on crustal age and oceanic bottom water temperature (20). (B) Estimated oceanic bottom water temperature through time and geological periods (see Materials and Methods), categorized into five temperature regimes. (C) Relationship between oceanic crustal CO₂, crustal age, and bottom water temperature, based on best-fit log-linear relationships (see Materials and Methods).