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Climate Science Glossary
Return to glossary listTCR
Transient Climate Response (TCR)
TCR is defined as the average global temperature change that would occur if the atmospheric CO2 concentration were increased at 1% per year (compounded) until CO2 doubles at year 70. The TCR is measured in simulations as the average global temperature in a 20-year window centered at year 70 (i.e. years 60 to 80).
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.
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