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Beijing to control rain during Olympics |
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08:35, July 09, 2007 |
Beijing will begin practicing to cope, around August, with possible severe weather conditions that could occur during the Olympics next year. This is the second time that Beijing has "rehearsed" for good weather during the Olympics.
Sources say Beijing will curb rainfall on overcast days by using an arsenal of rockets, artillery and aircraft.
An average of 11.8 rainfall days in Beijing in August
The Olympic Games will begin on August 8th and end on August 24th. Beijing has an average of 11.8 rainfall days in August each year, according to an analysis of 20-year weather records. It is quite likely that there will be showers during the 2008 Beijing Olympics. The meteorological service center of the Olympics said that monitoring and preventing strong convectional weather will be a top priority.
Beijing's Weather Modification Office said aircraft and rockets would be used to release silver iodine and dry ice into the air to control rainfall centered over the National Stadium, especially during the opening and closing ceremonies.
Control rainfall by planes and rockets
The capital city was successful in blasting the clouds out of the sky and combating rain using planes and rockets in 2005.
Experts explain that planes and rockets can drop chemicals onto clouds to reduce or control rainfall over a certain area. Dissolving clouds by diffusing crystals is a relatively ideal way to contain rainfall.
Controlling rainfall is in the forefront of scientific research, experts have said. Meteorological experts explain that rainfall is curbed by bursting water droplets within the cloud. There are two main ways of controlling the weather: inducing rainfall by increasing the temperature before clouds lower and restricting rainfall with crystal diffusion.
By people's Daily Online
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