Die pliozänen und quartären Pluvialzeiten der Sahara

Julius Büdel
During the period under consideration (from the beginning of the Pliocene to present) two types of pluvials occur in the Sahara desert. In the northern part of the Sahara the Pliocene as well as the Holocene were dry. During the Pleistocene we find six pluvials, which coincide in time and in cause with the non-tropical cold periods ("polar pluvials"). In the southern part of the Sahara the Pliocene is humid, and so is the Holocene...