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To: LLCF who wrote (17819)4/4/2002 7:29:58 PM
From: Moominoid  Respond to of 74559
 
I think the period is several million years ago when the Med was a dry basin. Spain and Africa gradually moved apart a little or perhaps a river cut back towards the Atlantic. With no water in the Med rainfall from Algeria east to Turkey and the Levant would be very low or non-existent. Even Greece and Italy I would expect to be a lot drier. water would still be coming down the Rhone and Po etc. into the basin but apparently less than the rate of evaporation. During the ice ages the Med's level was lower but still connected to the Atlantic. But that allowed a disconnect with the Black Sea. The Black Sea still had water but a lot lower than today. On the other hand lakes like the Dead Sea had much higher levels than today. In northern Israel streams are continuing to cut back towards the Mediterranean as the Dead Sea Basin is 400 metres below sea level. With no tectonic movement eventually the Med would flood through the Jezreel Valley and into the Jordan Valley. Eventually the same would be true for the Red Sea flooding into the Jordan Valley and Africa would be seperated from Asia by these very narrow straits (Israel, Lebanon, and western Syria are on the African plate, while Jordan, eastern Syria are on the Arabian plate).

David