turning the desert green can also have serious engineering implications. there are some very well know structures here in qatar whose foundations are inadequate and failing due to un-anticipated high groundwater levels. the groundwater level has been raised by a matter of metres per year by huge over-irrigation of a nearby 'green zone'. there will be massive expenditure to resolve the situation
in central tunisia in the very north of the sahara they have the opposite problem. over-pumping of the groundwater to support the growing tourism industry and increased date plantations has led the groundwater level to fall below the reach of the natural palm trees in th area. as you drive into the region all you can see are dead palm trees as far as the eye can see....
turning the desert green can also have serious engineering implications. there are some very well know structures here in qatar whose foundations are inadequate and failing due to un-anticipated high groundwater levels. the groundwater level has been raised by a matter of metres per year by huge over-irrigation of a nearby 'green zone'. there will be massive expenditure to resolve the situation
in central tunisia in the very north of the sahara they have the opposite problem. over-pumping of the groundwater to support the growing tourism industry and increased date plantations has led the groundwater level to fall below the reach of the natural palm trees in th area. as you drive into the region all you can see are dead palm trees as far as the eye can see....