Sentences with phrase «between ancient climate changes»

Not exact matches

An ancient lake whose shores vacillated between lush forests and dry savannahs shows how the changing climate may have shaped humanity's dawn in eastern Africa, according to new research.

For some contrasts between the Younger Dryas and the most serious droughts since then at 8200, 5200, and 4200 years ago, see Fagan (1999) and Harvey Weiss, «Beyond the Younger Dryas: Collapse as adaptation to abrupt climate change in ancient West Asia and the Eastern Mediterranean,» pp. 75 - 98 in Confronting Natural Disaster: Engaging the Past to Understand the Future, G. Bawden and R. Reycraft, editors (University of New Mexico Press 2000), at http://www.yale.edu/nelc/weiss/byd.html.

Climate changed a great deal between the end of the Ice Age and the appearance of the ancient Egyptians 5,000 years ago.