[ExI] Greening the Sahara
dan_ust at yahoo.com
Mon Jul 20 13:42:48 UTC 2009
--- On Mon, 7/20/09, Mirco Romanato <painlord2k at libero.it> wrote:
> spike ha scritto:
>> Pump sea water up into large shallow reservoirs on the
>> western edge of the
>> Sahara. If you get tricky the pumping can be
>> done with tidal action, so it
>> is passive. All that heat and dry air would
>> evaporate the water, raising
>> the humidity and lowering the temperature.
>> Rainfall would be increased
>> further east, downwind of the reservoirs.
> How do you manage the salt entering the water wells around
> the reservoirs?
> There is not much water underground in the Sahara, so if
> you pump salt
> water, this will fill any available empty space.
I think Spike's proposal was only aimed at increasing the rainfall "further[sic] east, downwind of the reservoirs" and ignoring local effects around the reservoirs.
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