BibTex format

author = {Liu, M and Prentice, IC and Menviel, L and Harrison, SP},
doi = {10.1038/s43247-022-00536-0},
journal = {Communications Earth & Environment},
title = {Past rapid warmings as a constraint on greenhouse-gas climate feedbacks},
url = {},
volume = {3},
year = {2022}

RIS format (EndNote, RefMan)

AB - There are large uncertainties in the estimation of greenhouse-gas climate feedback. Recent observations do not provide strong constraints because they are short and complicated by human interventions, while model-based estimates differ considerably. Rapid climate changes during the last glacial period (Dansgaard-Oeschger events), observed near-globally, were comparable in both rate and magnitude to current and projected 21st century climate warming and therefore provide a relevant constraint on feedback strength. Here we use these events to quantify the centennial-scale feedback strength of CO2, CH4 and N2O by relating global mean temperature changes, simulated by an appropriately forced low-resolution climate model, to the radiative forcing of these greenhouse gases derived from their concentration changes in ice-core records. We derive feedback estimates (expressed as dimensionless gain) of 0.14 ± 0.04 for CO2, 0.10 ± 0.02 for CH4, and 0.09 ± 0.03 for N2O. This indicates that much lower or higher estimates of gains, particularly some previously published values for CO2, are unrealistic.
AU - Liu,M
AU - Prentice,IC
AU - Menviel,L
AU - Harrison,SP
DO - 10.1038/s43247-022-00536-0
PY - 2022///
SN - 2662-4435
TI - Past rapid warmings as a constraint on greenhouse-gas climate feedbacks
T2 - Communications Earth & Environment
UR -
UR -
UR -
UR -
VL - 3
ER -