About Winter Sports
Winter sports or winter activities are competitive sports or non-competitive recreational activities which are played on snow or ice. Most are variations of skiing, ice skating and sledding.
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Beijing Olympics: What's wrong with natural snow?
Heavy snow has been falling on venues at the Beijing Olympics, yet the organisers are still pumping out artificial snow on to competition slopes, saying it's more suitable for The Events .
Why is Beijing using artificial snow?The organisers have insisted on using it to " ensure the quality" at The Games remains high.
Artificial snow was first used in Winter Sports in the 1980s. Vancouver 2010, Sochi 2014 and Pyeongchang 2018 all relied to some extent on artificial snow.
Beijing has very limited winter snowfall, and the volume of artificial snow used at these Games has reached an unprecedented high of More Than 90%. The Yanqing National Alpine Ski Centre has relied almost entirely on the artificial variety.
It is estimated that to produce millions of cubic metres of snow.
Artificial v natural snowBoth are made of frozen Water - But under the microscope the differences in their structure is clearly apparent.
Natural snow starts as crystals in cold clouds, forming elegant six-sided symmetrical snowflakes that grow as they fall to the ground.
Machine-made snow is far more dense,
Which is better for Winter Sports ?With less air, and more ice, artificial snow is harder and Wetter - and also icier, which makes it more suitable for some sports.
It's also easier to maintain a consistent quality throughout competitions, providing as similar conditions as possible for all participants.
Some new snow machines have an on-board computer system that can calculate The Most suitable mix of Water to produce snow with the same condition down a long ski slope.
" Artificial snow offers consistent and predictable slope conditions, "
" The controllable and adaptable nature of man-made snow makes it a better fit than The Natural version for developing ski courses for elite racing. "
What do athletes think?Not all competitors prefer the Hard Stuff .
Some skiers favour The Dry , soft natural snow, as it provides a surface that.
Fresh Snow also provides skiers and snowboarders with.
The harder, faster artificial snow can also pose risks to athletes.
British freestyle skier Laura Donaldson man-made snow could be dangerous.
" If freestyle super pipes are formed from snow-making machines in a poor season, The Walls of The Pipe are solid, vertical ice and The Pipe floor is solid ice, " She Said . " This is dangerous for athletes. "
How green is artificial snow?The Process of producing artificial snow is both energy- and resource-intensive.
This Was an issue that concerned the IOC when it was evaluating candidate cities to host the 2022 Winter Olympics .
It said Beijing's " reliance on artificial snowmaking would require [the] diversion of Water from existing reservoirs and may impact other land uses".
Beijing insists the Water used for The Olympics accounts for less than 2% of The Local supply. It also says The Snow cannons being used need 20% less energy than ones used in previous games.
Source of news: bbc.com
Winter sports Photos
