Objective THIS PROJECT WILL CONTRIBUTE TO THE KNOWLEDGE OF GENERAL CIRCULATION MODEL BY INCREASING PALEOCLIMATIC ESTIMATES IN THE TROPICS. IT WILL IMPROVE THE CONTINENTAL RECORD FROM THE ARID ZONE OF EAST AFRICA WITH NEW DATA OBTAINED FROM THE ARID ZONE OF EAST AFRICA WITH NEW DATA OBTAINED FROM A LONG CONTINOUS WELL DATED CORE FROM 50000YR B.P. EMPHASIS SHOULD BE MADE ON PALEOBOTANICAL DATA WITH SPECIAL ATTENTION TO THE TIME CONTROL. ACCURATE INTERPRETATIONS ABOUT THE PAST VEGETATION WILL PROVIDE ALBEDO ESTIMATES WHICH ARE NECESSARILY USED IN THE CLIMATE SIMULATION EXPERIMENTS. THE AREA OF STUDY WILL ALLOW A GOOD COMPARISON BETWEEN CLIMATIC ESTIMATES FROM NEW PALEOBOTANICAL DATA AND UNIC PAST LAKE-LEVEL DATA. CONCLUSIONS WILL BE ESTABLISHED THROUGH MULTI-DISCIPLINARY APPROACH INCLUDING SEDIMENTOLOGY, GEOMORPHOLOGY, DIATOMS AND PHYTOLITS STUDIES. Programme(s) PRE-CLIMAT 2C - Sectoral research and development programme (EEC) in the field of environment (environmental protection and climatology) - indirect and concerted actions - Climatology -, 1981-1985 Topic(s) Data not available Call for proposal Data not available Funding Scheme Data not available Coordinator Centre National de la Recherche Scientifique (CNRS) EU contribution No data Address 163 avenue de Luminy 13288 Marseille France See on map Total cost No data