The American researchers assume, that landing of trees in cold regions of the Earth , where is the great quantity of snow fall , can conduct to strengthening global warming.
Such data , which have been published in magazine “Proceedings of the National Academy of Sciencesâ€, again emphasize all complexity of ecosystems of the Earth. In fact earlier was considered on the contrary, that ratio of cutting down a forests brings the contribution to global warming.
But according to results of researches, in cold areas of the Earth, such as Canada, northern areas of Russia, some Scandinavian countries, trees shade reflecting surface of a snow ,that leads to increasing of ability of the Earth to absorb a sunlight.
” The snow reflects a sunlight back in space, and the sunlight -heats up the Earth. Therefore if at snow plain or snow tundra, the sunlight reaches a snow, is reflected back in space and does not heat up the Earth “, - declares scientist Ken Caldera, the expert about a climate in Carnegie’s Washington institute. He also adds, that if in territory there is a forest , wood branches and trunks can absorb a sunlight; if it is a coniferous wood needles will absorb light, and it conducts to very strong heating effect.
Scientists who carried out researches, emphasize, that they don’t support at all mass cutting down of northern forests, due their biological variety. But they warn about necessity of the reasonable approach to planting a lot of trees for absorption carbonic and other hotbed gases as it is possible.
Also Ken Calder considers, that such methods which protect, keep and restore forests in tropics, are for sure good both for ecosystems, and for a climate, but at high latitudes they can even worsen a problem of global warming.
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June 1st, 2007 at 6:50 pm
Hey - nice site!