Warmed Peatlands Turn Carbon Emitters in Just Three Years, Study Shows
GS3Economy · S&T · Environment · Security· Climate change & international agreements· Prelims·
Why in news
A study by Oak Ridge National Laboratory reveals that peatlands can transition from carbon sinks to carbon emitters within just three years of warming.
Background
The SPRUCE project in Minnesota's Marcell Experimental Forest found that even modest temperature increases cause peatlands to release CO2 and methane. These emissions occur at rates five to nearly 20 times faster than historical carbon accumulation.
Facts for Prelims
- S&TPeatlands are significant terrestrial carbon sinks that store organic matter.
- FactWarmed peatlands can become carbon emitters within a three-year period.
- EnvironmentPeatlands release both carbon dioxide (CO2) and methane (CH4) when warmed.
For Mains
Q. Discuss the role of peatlands in global carbon sequestration and the implications of climate-induced warming on their transition into carbon sources.
Dimensions to cover in your answer
- carbon cycle dynamics
- feedback loops in climate change
- conservation of peatlands
- mitigation strategies
Keywords: carbon sink · methane emissions · climate feedback · peatland degradation · carbon sequestration
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