Lake Besaka, as a groundwater-fed lake which appears to have overflowed eastwards into the Awash during the late Pleistocene and perhaps again during the earliest Holocene, is not a sensitive indicator of climatic change. Only two major
, palaeontological and archaeological context at the same period. However the data show no qualitative latitudinal change in vegetation during the last 40,000 years.
Olorgesailie. The mineralogy and provenance of the sediments are discussed. The stratigraphic distribution of diatom associations suggest many lake level fluctuations. Alkalinities varied between about 5 and 85 meq/l. Based on alkalinity changes, three main