Assessing ocean acidification and carbon cycle perturbations during the end-Permian extinction using boron isotopes

The Permian-Triassic mass extinction represents the most severe environmental crisis in Earth’s history, which dictated the course for evolution of life until today. Volcanism from Siberian traps played a significant role involving a substantial input of relatively light carbon into the atmosphere leading to a combination of global warming by ~6°C, sporadic anoxia or euxinia, and ocean acidification. However, its detailed manifestation and environmental impact is yet to be fully understood. This lack of knowledge also extends to a better quantification of emitted and sequestered carbon budgets (cf. Gutjahr et al., 2017).

Jurikova H., Gutjahr M., Liebetrau V., Flögel S., Wallmann K., Eisenhauer A., Posenato R., Angiolini L., Garbelli C. & Brand U., 2017. Assessing ocean acidification and carbon cycle perturbations during the end-Permian extinction using boron isotopes. Permophiles 65: 15. Article.

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