table : potential-tipping-elements

Potential tipping elements

table 15.1


This table appears in chapter 15 of the Climate Science Special Report: The Fourth National Climate Assessment: Volume I report.

This table is composed of this array :
04c28b5f (17x3)
Candidate Climatic Tipping Element State Shift Main impact pathways
Atmosphere-ocean circulation
Atlantic meridional overturning circulation Major reduction in strength regional temperature and precipitation; global mean temperature; regional sea level
El Nino-Southern Oscillation Increase in amplitude regional temperature and precipitation
Equatorial atmospheric superrotation Initiation cloud cover;climate sensitivity
Regional North Atlantic Ocean convection Major reduction in strength regional temperature and precipitation
Cryosphere
Antarctic Ice Sheet Major decrease in ice volume sea level; albedo; freshwater forcing on ocean circulation
Arctic sea ice Major decrease in summertime and/or perennial area regional temperature and precipitation; albedo
Greenland Ice Sheet Major decrease in ice volume sea level; albedo; freshwater forcing on ocean circulation
Carbon cycle
Methane hydrates Massive release of carbon greenhouse gas emissions
Permafrost carbon Massive release of carbon greenhouse gas emissions
Ecosystem
Amazon rainforest Dieback, transition to grasslands greenhouse gas emissions; biodiversity
Boreal forest Dieback, transition to grasslands greenhouse gas emissions; albedo; biodiversity
Coral reefs Die-off biodiversity
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