There's a similar paper out that deals with the Late Bronze Age collapse and the underlying causes of the mega-drought that set the fall of empires in motion. It's becoming clear that long-term natural variability can bring worse extremes than is commonly assumed. www.science.org/doi/10.1126/... 1/
"Climatic conditions that caused the Great Drought and Global Famine arose from natural variability, and their recurrence, with hydrological impacts intensified by global warming, could again potentially undermine global food security." 🧪🌊 Link: https://doi.org/10.1175/JCLI-D-18-0159.1