
In a recent article, I introduced the idea that the transition from the thermal maximum of the Holocene Interglacial that defined the Northgrippian sub-epoch, to the on-set of present Meghalayan (neoglacial) sub-epoch, some 4,200 years ago, was found to coincide with both a sudden multi-centennial increase in iceberg calving rates into the North Atlantic and with an increase in the environmental concentrations of beryllium‑10 (10Be) and carbon‑14 (¹⁴C) isotopes














