Abstract
The age distribution of travertines in the Arava Valley indicates that the last glacial and the preceding interglacial (oceanic oxygen isotope stages 5 and 7) were periods of greater pluviation than at present day. Several periods of increased deposition of spring travertines within the Arava valley coincide with periods of formation of sapropel in the Mediterranean. This suggests the influence of a northward shift of the African Monsoon. A second, smaller cluster of younger ages coincides with the period of pluviation and groundwater recharge in the Levant that resulted from precipitation derived from the Atlantic Ocean during periods of the last European pleniglaciation.
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