Early warning of climate tipping points

被引:0
|
作者
Lenton, Timothy M. [1 ,2 ]
机构
[1] Univ Exeter, Coll Life & Environm Sci, Hatherly Labs, Exeter EX4 4PS, Devon, England
[2] Univ E Anglia, Sch Environm Sci, Norwich NR4 7TJ, Norfolk, England
基金
英国自然环境研究理事会; 美国国家科学基金会;
关键词
DANGEROUS ANTHROPOGENIC INTERFERENCE; MERIDIONAL OVERTURNING CIRCULATION; REGIME SHIFTS; CATASTROPHIC SHIFTS; ECOLOGICAL-SYSTEMS; EXPERT JUDGMENTS; ECOSYSTEMS; SIGNAL; CYCLE; AMPLIFICATION;
D O I
10.1038/NCLIMATE1143
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A climate 'tipping point' occurs when a small change in forcing triggers a strongly nonlinear response in the internal dynamics of part of the climate system, qualitatively changing its future state. Human-induced climate change could push several large-scale 'tipping elements' past a tipping point. Candidates include irreversible melt of the Greenland ice sheet, dieback of the Amazon rainforest and shift of the West African monsoon. Recent assessments give an increased probability of future tipping events, and the corresponding impacts are estimated to be large, making them significant risks. Recent work shows that early warning of an approaching climate tipping point is possible in principle, and could have considerable value in reducing the risk that they pose.
引用
收藏
页码:201 / 209
页数:9
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