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Abbreviations and Acronyms
ΔRF
Difference in the RF of climate relative to a baseline, usually year
1750
ΔT
Difference between GMST and a baseline, usually years 1850–1900
γ
Climate sensitivity parameter, dimensionless
κ
Ocean heat uptake efficiency coefficient, W m
−2 °C
−1
λ
Climate feedback parameter, W m
−2 °C
−1
λ P
Planck response function, 3.2 W m
−2 °C
−1
τ
Lifetime of a molecule in the atmosphere
AAWR
Attributable Anthropogenic Warming Rate
AerRF 2011
Radiative Forcing Due to Tropospheric Aerosols, year 2011
AH
Attain and Hold
AH
UNC
Attain and Hold scenario, for which only unconditional INDCs are
considered
AI
Attain and Improve
AI
UNC
Attain and Improve scenario, for which only unconditional INDCs are
considered
AI
UNC+COND
Attain and Improve scenario, for which unconditional and conditional
INDCs are considered
AMO
Atlantic Multidecadal Oscillation
AMOC
Atlantic Meridional Overturning Circulation
AMV
Atlantic Multidecadal Variability
Annex I
UNFCCC list of developed nations, prominently featured in Kyoto
Protocol
Annex I*
UNFCCC list of developed nations, minus the US. This is our nomenclature, not that of UNFCCC
BAU
Business As Usual
BTU
British Thermal Units
CCS
Carbon Capture and Sequestration
CDIAC
Carbon Dioxide Information Analysis Center of the US DOE
CFCs
Chlorofluorocarbons: these gases deplete stratospheric ozone and
warm climate