久久亚洲国产成人影院-久久亚洲国产的中文-久久亚洲国产高清-久久亚洲国产精品-亚洲图片偷拍自拍-亚洲图色视频

  Home>News Center>China
       
 

Squeezing clouds for rain drops
By Tong Haihua (China Daily)
Updated: 2004-07-13 23:55

With persistent drought still plaguing China, some regions have been involved in a special fight: grabbing for storm clouds.

With the help of modern technology, such as launching of rockets filled with various substances to "seed" the fluffy haze above the earth, rain has fallen on some parched areas.

But the practice of man-made rain has caused considerable controversy in parched China in recent days, with some areas saying that one area's success with rain has meant taking moisture meant for one area and giving to another.

In central China's Henan Province, persistent drought has hit the cities of Pingdingshan, Zhumadian, Luohe, Xuchang and Zhoukou.

Thanks to the artificial cloud-seeding technology, residents in the five cities finally received some wet stuff last Saturday, but by no means equally.

In Pingdingshan, for instance, there was more than 100 millimetres of rainfall.

Meanwhile in Zhoukou, it simply drizzled, with less than 30 mm of rainfall measured.

Zhou Zhengguo, a meteorological official from Henan Province, praised the various cities for having used modern technology to gather their needed rain.

However, meteorological officials in Zhoukou were soon accusing their counterparts in Pingdingshan of "over-using" available natural resources by intercepting clouds that would have likely drifted to other places, say, like Zhoukou.

"Some places have abused rainwater resources," said a Zhoukou expert who asked not to be named.

"They (Pingdingshan) were still launching rockets to make rain when they already had rain falling," he alleged.

The controversy over who gets access to which clouds has shown that the country should draft rules on how to exploit and utilize resources, said Sun Boyang, an weather legal expert from the Henan Meteorological Bureau.

However, Hu Zhijin, of the Chinese Meteorological Society, said the condition is still not ripe for regulation.

While technology for weather modification has a 60-year history, it is a science in development, Hu said.

It is still difficult for meteorologists to test the effects of weather modification, for example, to know precisely how much rainfall has been caused by artificial rain-making activities, Hu explained.

"The natural changes in the atmosphere are very fast and complex," Hu said. "We are not able to observe the atmosphere everywhere at all times, so the data we get is not complete."

Hu said another two decades of research may be needed in order to draft such rules, if then.

The most effective way to manage rainfall is for government entities to co-ordinate efforts.

China established the National Co-ordination Committee of Weather Modification in 1994, and every level of government has a liaison department.



 
  Today's Top News     Top China News
 

Disaster insurance scheme sought

 

   
 

US report on Tibet 'violates' commitments

 

   
 

Campaign on AIDS awareness to sweep nation

 

   
 

Foreign investment grows up steadily

 

   
 

HK's Tung desires good LegCo ties

 

   
 

DPRK minister backs peace in Asia and world

 

   
  Disaster insurance scheme sought
   
  US report on Tibet 'violates' commitments
   
  HK's Tung desires good LegCo ties
   
  Squeezing clouds for rain drops
   
  Shanghai thunderstorm kills seven people
   
  Campaign on AIDS awareness to sweep nation
   
 
  Go to Another Section  
 
 
  Story Tools  
   
  News Talk  
  When will china have direct elections?  
Advertisement
         
主站蜘蛛池模板: 国产成人理在线观看视频 | 久久99精品久久久久久综合 | 成人免费观看永久24小时 | 手机亚洲第一页 | 亚洲欧美视频一级 | 成年网站在线在免费播放 | 久久久久久久久一次 | 亚洲欧美一区二区三区综合 | 亚洲一区在线免费观看 | 亚洲免费在线观看视频 | 日韩黄色片在线观看 | 99国产精品久久久久久久日本 | 亚洲天堂男人天堂 | 欧美一级aa毛片禁片 | 欧美在线综合 | 一级欧美激情毛片 | 美国毛片一级 | 91在线亚洲| 色老久久精品偷偷鲁一区 | 亚洲综合免费视频 | 美女很黄很黄免费的 | 香港日本韩国三级网站 | 91久久精品国产91久久性色也 | 三级久久 | 91成人爽a毛片一区二区 | 亚洲成色在线 | 喷潮白浆直流在线播放 | 521av香蕉| 久久久久久国产精品免费 | 黄色美女免费看 | 免费一级在线 | 亚洲国产精品二区久久 | 国产好片无限资源 | 深夜成人性视频免费看 | 亚洲精品国产福利一区二区三区 | 一级性片 | 国产午夜毛片一区二区三区 | 婷婷尹人香蕉久久天堂 | 国产精品日本 | 中国一级毛片aaa片 中国一级毛片录像 | 美国毛片免费看 |