climate feedback loop
KLY-mit FEED-bak LOOP
ˈklaɪmɪt ˈfiːdbæk luːpListen
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Dictionary meaning
a process in the climate system in which an initial change triggers secondary effects that either amplify the original change, a positive feedback, or dampen it, a negative feedback; positive feedback loops accelerate warming, as when melting sea ice exposes darker ocean water that absorbs more heat, or when warming releases methane from permafrost which causes further warming; negative feedbacks provide stability, as when warmer temperatures increase evaporation and cloud cover that reflects more sunlight; understanding feedbacks is essential for projecting the ultimate magnitude of anthropogenic climate change
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