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Extreme climate after massive eruption of Alaska’s Okmok volcano in 43 BCE and its effects on the late Roman Republic and Ptolemaic Kingdom

by McConnell, JR, Sigl, M, Plunkett, G, Burke, A, Kim, WM, Raible, C, Wilson, AI, Manning, JG, Ludlow, FM, Chellman, NJ, Innes, HM, Yang, Z, Larsen, JF, Schaefer, JR, Kipfstuhl, S, Mojtabavi, S, Wilhelms, F, Opel, T, Meyer, H, Steffensen, JP
Published in Proceedings of the National Academy of Sciences (2020)
“... the Roman Republic and, eventually, the Ptolemaic Kingdom, leading to the rise of the Roman Empire. Climate...”

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Volcanic suppression of Nile summer flooding triggers revolt and constrains interstate conflict in ancient Egypt

by Manning, JG, Ludlow, F, Stine, AR, Boos, WR, Sigl, M, Marlon, JR
Published in Nature Communications (2017)
“...© 2017 The Author(s). Volcanic eruptions provide tests of human and natural system sensitivity...”

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