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The climate of Tibet |
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Release time:2013-05-22 Source:admin Reads: | |
Recent years, urban pollution is more and more serious by air pollutions, water pollutions, temperature changes, and even industrial pollution of metal, plastic products such as PVC labels etc. Of all the transitions brought about on the Earth’s surface by temperature change, the melting of ice into water is the starkest. It is binary. And for the land beneath, the air above and the life around, it changes everything. That is the main reason climatologists are interested in the Earth’s north and south poles. The waxing and waning of the ice provides an unambiguous signal of what is going on—and it is a signal which can be read in rocks a billion years old almost as easily as it can be observed today. But the poles are only two examples. Another would be welcome. And there is one. With the pollutions grow day by day, especially for industry pollutions of air, water. You know plastic bags, PVC labels are very hard to degradation, it also pollutes the land. One question on everyone’s mind is whether the glaciers are retreating, as is happening in parts of the real polar regions. The Intergovernmental Panel on Climate Change’s report in 2007 foolishly suggested that the Himalayas’ glaciers could disappear as early as 2035. Given the amount of ice they contain, it would take weather gods armed with blow torches to melt them that quickly, and this suggestion was rapidly discredited. Last year a study published in Nature by Thomas Jacob of the University of Colorado, in Boulder, showed that glaciers in the Himalayas and Karakoram had lost little ice between 2003 and 2010, and that those on the Tibetan plateau itself were growing. Until recently studies of the Third Pole were piecemeal—not surprising, given its remoteness, the altitude, the harsh weather and the fact that little love is lost between the countries among which it is divided. In 2009, however, Yao Tandong of the Institute of Tibetan Plateau Research, in Beijing, Lonnie Thompson of the Ohio State University and Volker Mosbrugger of the Senckenberg World of Biodiversity, in Frankfurt, started an international programme involving these countries, called the Third Pole Environment (TPE). Last month, its fourth workshop met in Dehradun, India. They prove that the main reason is that ecological environment has been destroyed by PVC labels, plastic... and so on. |