ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] The closed Alexandersfontein depression, now only an evaporation pan, harboured a +19 m lake with a surface area of 44 km2 and Middle Stone Age occupance, a little before 16,000 BP. Assuming a temperature depression of 6° C, calculations show that rainfall was about ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/243328a0
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