20th century one of driest in nine centuries for northwest Africa
Tuesday, May 25, 2010 - 22:31
in Paleontology & Archaeology
Droughts in the late 20th century rival some of North Africa's major droughts of centuries past, reveals new research that peers back in time to the year 1179. The first multi-century drought reconstruction that includes Morocco, Algeria and Tunisia shows frequent and severe droughts during the 13th and 16th centuries and the latter part of the 20th century. An international team developed the tree-ring-based drought history.