Fig. 4
From: Radiocarbon variability recorded in coral skeletons from the northwest of Luzon Island, Philippines
a Seasonal average NEC bifurcation latitudes from 1965 to 1995 based on Zhao et al. (2013). Summer averaged latitude refers to the average latitude value of June and July. Winter averaged latitude refers to the average value of January and February. Δ14C in b summer and c winter recorded in the corals sampled from Currimao (this study), Guam (Andrews et al. 2016), and Ishigaki (Hirabayashi et al. 2017a). Δ14C in Con Dao (Mitsuguchi et al. 2007) and Hon Tre Island are annual