男友太凶猛1v1高h,大地资源在线资源免费观看 ,人妻少妇精品视频二区,极度sm残忍bdsm变态

  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: 赤峰市| 黄大仙区| 峨边| 太湖县| 南岸区| 太仓市| 任丘市| 荆门市| 岑巩县| 循化| 平凉市| 思茅市| 易门县| 昔阳县| 南汇区| 沾益县| 崇信县| 中阳县| 阳泉市| 大宁县| 马鞍山市| 修武县| 龙海市| 邹平县| 曲阜市| 普定县| 安顺市| 安丘市| 军事| 孟连| 文登市| 遵义市| 保靖县| 原平市| 兰溪市| 湾仔区| 尖扎县| 本溪| 仪陇县| 阿城市| 宝兴县|