DescriptionNon-cloud Greenhouse Effect metrics time series.svg
English: Increase in the Earth's non-cloud Greenhouse effect over the period 2000-2022 according to three different metrics, (a) G = SLR - OLRnc, (b) g̃ = 1 - OLRnc/SLR, and (c) ΔTghe = (SLR/σ)1/4 - (OLRnc/σ)1/4, where OLRnc = outgoing longwave radiation with the longwave cloud radiative effect removed, SLR = surface-emitted longwave radiation, and σ = Stefan-Boltzmann constant. Data is from the CERES EBAF version 4.2 dataset for the period 2000-03 through 2022-12 (see https://ceres.larc.nasa.gov/data/). OLRnc and SLR are global averages, subject to a 12-month rolling average to eliminate seasonal variations. (Data for a given date averages data from 6 months prior through 6 months after the indicated date.)
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