中国与世界,环境危机大家谈

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Melting glacier leaves no room for doubt

Jonathan Watts

Readinch

Huge ice fields in western China’s Tian Mountains are diminishing because of global warming. Jonathan Watts went to Urumqi No1 to see how the local people are being affected.

article image
 

Up close, the sound of global warming at the face of the Urumqi No1 Glacier is a simple, steady drip, drip, drip. Just 30 metres from the main wall, the flood of meltwater becomes so powerful that it cuts a tunnel under the floor of grey ice, leaving only a blotchy, wafer-thin crust on the surface. [See Guardian video here.]

Compared with the collapse of ice shelves in the Antarctic, the melting of the mountains in China's far west is one of the less spectacular phenomena of global warming, but it is a more immediate cause of concern and hope.

There is concern because this glacier -- more than almost any other in China -- is a natural water regulator for millions of people downstream in the far western region of Xinjiang. In winter, it stores up snow and ice. In summer, it releases meltwater to provide drinking and irrigation supplies to one of the country's most arid regions. It brings hope because its rapid shrinkage is helping to set off climate-change alarm bells in a country that emits more greenhouse gases than any other.

The Urumqi No1 Glacier is so named because it was the first ice field to be measured in China. Since 1953, scientists have been monitoring its thickness and length, analysing traces of pollution and tracking changes in temperature at this 3,800-metre altitude. The results leave no room for doubt that this part of the Tian (Heaven) mountain range is melting.

According to China’s Cold and Arid Regions Environmental and Engineering Research Institute (CAREERI), the glacier has lost more than 20% of its volume since 1962 as the temperature has increased by almost 1° Celsius (33.8° Fahrenheit). And the rate of shrinkage is accelerating. For the first time last year, it was so warm in the summer that rain rather than snow fell on the glacier. A lake formed on the top of the ice field, which is retreating at the rate of nine metres a year.

Locals have noticed the ice diminish. Ashengbieke is a guide who takes tourists up the rocky path to the ice field by motorbike. Since his childhood, the 18-year-old guide says, the glacier has split in half.

"While I was growing up, it used to be very cold here,” he says. “It used to snow in summer, but now it rains instead. Because of the air pollution, the glacier turned black. It used to be pure white and the two snow fields were joined as one."

Bahabieke, a nomad from the Kazakh ethnic group, is erecting his yurt – his portable dwelling -- a week earlier than last year. "It has become warmer, especially these last two years," he says.

"It's very frightening," according to meteorologist Zhang Enzi. "That is because it is related to the issue of water supply. It will have an impact on people in the future."

There are few places in the world where the cause and effect of global warming are so closely juxtaposed. An hour's drive from the glacier, the road passes coal-fired power plants  and factories that belch carbon dioxide and sulphur dioxide into the sky. They were built during the Cultural Revolution, when Mao Zedong ordered industry to be shifted into remote areas of the countryside so that it would be harder to target in the event of a war with the Soviet Union.

This "Third Front" policy is now viewed as an environmental disaster. A senior engineer at the Houxia concrete plant says the factory will close within three years because the government recognises the need to reduce emissions and pollution.

He says China is ready to play a part in solving a global problem. "We realise the problems of industrialisation and we don't want to grow at the expense of human health and an unsustainable use of natural resources," says the engineer.

www.guardian.co.uk/

Copyright Guardian News and Media Limited, 2008
 
Homepage photo by Sheila

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China is a environmental pioneer

China is acting now, we need to make sure that other countries do the same thing immediately.

中国是环境前驱

中国正在行动, 我们需要确保别的国家也立刻这样行动。

本评论由 Katarzyna Wachowska 翻译


融化的不只是天山一号冰川

生活在雪域的人们恐怕都有类似的体会吧?以前听一位朋友说过,十几年前,冬日藏北人家里是看不见房屋的屋角的,因为即便是在室内,屋角处也结满了厚厚的冰,屋角不是方的而是圆的。但是现在再也看不见这样的景象了,青藏高原也在变暖,也在融化……

More Than Just NO.1 Glacier That Is Melting

People living in snow area must have this similar experience. One of my friends said that people in north Tibet couldn't see corners of their rooms more than a decade before. Even if they were inside the rooms, there were thick ice in the corners,which, therefore, were round rather than square. However, none of this sight can be caught now. Qinghai-Tibet Plateau is becoming warmer and melting...

The comment is translated by Miao Yu


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