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Keywords:

  • gas-hydrates dissociation;
  • methane release;
  • ocean warming;
  • modeling;
  • Svalbard;
  • Arctic

In Arctic seafloor sediments, methane, a potent greenhouse gas, is trapped in chemical structures called hydrates. Methane hydrates form at low-temperature, high-pressure conditions, and methane can be released if the temperature rises. Previous studies have raised concern that global climate change could lead to release of significant amounts of methane from Arctic hydrates.