In another scheme last week, American helicopters from the nearby NATO base braved the hot updraught from the eruption to ferry 50 two - tonne concrete slabs linked by chains up the mountain. (newscientist.com)
However water vapour is not pulled away from cloud forming regions when only deep 15 km updraughts are present. (sciencedaily.com)
When only the deeper updraughts are present in climate models, more clouds form and there is an increased reflection of sunlight. (sciencedaily.com)