More Little Ice Age Droughts In Africa


By Paul Homewood

h/t Jimbo

Further to my post last week on African Droughts in the LIA, Jimbo sent links to a couple of other papers show similarly severe events, both then and earlier.

1) Little Ice Age drought in equatorial Africa: Intertropical Convergence Zone migrations and El Niño–Southern Oscillation variability.

By JM Russell & TC Johnson, 2006.


High-resolution analyses of the Mg concentration in authigenic calcite in five cores from Lake Edward provide a water balance history of central equatorial Africa spanning the past 1400 yr. A high ratio of Mg to Ca (%Mg) indicates strong droughts in central Africa during the Little Ice Age (A.D. 1400–1750), in contrast to records from Lake Naivasha, Kenya, which suggest a wet Little Ice Age. This spatial pattern in Africa likely arose due to coupled changes in the high latitudes, the position of the Intertropical Convergence Zone, and…

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