Gas hydrates: past and future geohazard?

• Main Authors: Maslin, M, Owen, M, Betts, R, Day, S, Dunkley Jones, T, Ridgwell, A
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: ROYAL SOC 2010
• Subjects: gas hydrates; geohazards; climate change; ocean; permafrost; EOCENE THERMAL MAXIMUM; CATASTROPHIC SEDIMENT FAILURES; CARBON-ISOTOPE EXCURSION; STOREGGA SLIDE; MARINE-SEDIMENTS; METHANE HYDRATE; CLIMATE-CHANGE; AMAZON FAN; OFFSHORE NORWAY; WORLD OCEAN; Antarctic; Arctic; Greenland; Norway; Storegga; Antarc*; Antarctica; Climate change; Global warming; Ice; Methane hydrate
• Online Access: http://discovery.ucl.ac.uk/763370/

Gas hydrates are ice-like deposits containing a mixture of water and gas; the most common gas is methane. Gas hydrates are stable under high pressures and relatively low temperatures and are found underneath the oceans and in permafrost regions. Estimates range from 500 to 10 000 giga tonnes of carb...