Science
Changing resilience of oceans to climate change – Newswise
Oxygen levels in the ancient oceans were surprisingly resilient to climate change, new research suggests.
Newswise — Oxygen levels in the ancient oceans were surprisingly resilient to climate change, new research suggests.
Scientists used geological samples to estimate ocean oxygen during a period of global warming 56 million years ago – and found “limited expansion” of seafloor anoxia (absence of oxygen).
Global warming – both past and present – depletes ocean oxygen, but the new study suggests warming of 5°C in the Paleocene Eocene Thermal Maximum (PETM) led to anoxia covering no more than 2% of the…
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