1 to bin means and
medians using an alternative low -
passed filtered, Greenland temperature anomaly
time series (SI Materials and Methods) and application of that
time series to construct alternative radiative forcing
time series, (iv) radiative forcing calculated for 50 % decrease / increase compared with our standard LGM value (RFLGM = − 0.5 and − 1.5 W ⋅ m − 2), and (v) iron fertilization forcing calculated for 50 % decrease / increase of the difference between standard LGM and present - day values (IFLGM = 0.43 and 0.57).