subject: Global Warming Is Getting To Cold Deserts [print this page] Once and again scientists talk about climate change, while ordinary people listen. The developments occur every day, as observation of certain areas on the earth take place. New estimation and new conclusions do not leave us waiting, because the issue of climate warming is getting more and more urgent and there is no counting on centuries, but decades.
Lately, the Arctic meltdown was one of the most discussed topics, as local ice areas reduced and the average temperature grows rapidly. It is a starting point of all the changes, which can be observed in the closest future: extinction of animals and plants, accustomed to cold climate conditions, shift of ocean level due to enlargement of water amount, development of human activity including navigation, etc. So, there are a lot of things to think of, as well as to arrange the most comfortable way of living in the area. However, is Arctic region the sole to experience the effect of global warming?
No, as it turned out. Current issues of climate change are associated with cold deserts or tundra or fenlands. In particular, the results of new investigations claim that underwoods of fenlands transform into real woods actually that significantly speeds up the climate warming in Arctic. Scientists from Finland and the United Kingdom have conducted an observation of 100 thousand square km of Northwest Eurasian tundra, from Siberia to Finland. Since 1970s many trees have raised on several meters, which signifies of growth of underwoods average height.
In this case, perspective forests in fenlands might have smaller albedo and, as a result, they are going to absorb more sunlight. Arctic temperature may grow up on several degrees by the end of current century. Earlier, tundra area was believed to be replaced with taiga flora in several centuries, but nowadays scientists came to the conclusion that several decades will be enough.
The researchers argue that these results may affect the attempts of scientists to simulate current and future human responses to climate change in the Arctic. They also suggest that there is a possibility of a new structure in tundra ecosystems. All in all, to date people are observing the Arctic meltdown, which has been already influencing on human and animal livelihood in the area. The question is how soon it will be encouraged by tundra transformation?
by: Maria K.
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