Found 1 datasets
Gradual aridification of the Sahara during the last 11,000 years revealed by plant wax δD analyses of Lake Yoa (Chad) Spatial
It is still an ongoing debate whether the transition of the last ‘green Sahara’ period to today’s large desert during the Holocene, the African Humid Period (AHP), was a progressive or an abrupt change in hydrological conditions. Several climate records mainly from East Africa suggest a rapid decline of moisture availability at the end of the AHP including new data from a marine sequence off the Horn of Africa (Tierney &amp;amp; deMenocal, 2013). Other archives including sedimentological,...