No one does not know if you mention snow, but do you really understand snow quality? Because of the different weather conditions during snowfall and after snowfall, snow quality can take on various forms.
Some people have statistics that the snow in nature has powdery snow, flake snow, shell snow, pulpy snow, granular snow, muddy snow, ice-like snow, artificial snowmaking mainly compacted powdery snow, etc. A total of more than 60 kinds. Since each snow quality makes the skier feel different under the snowboard, the skiing skills used for each snow quality are also different. In China, since most of the ski resorts are built inland and are not affected by the oceanic monsoon, the air is dry, cold, and windy. The form of snow is mostly granular snow, shell snow, ice snow, powder snow, and slurry. snow.
The snow quality of the domestic ski slopes is mainly the snowy snow formed after the snow is agitated and compacted. In the early morning, the snow is hard, showing an ice-like snow form, and the surface has a thin layer of hard ice. The surface of this snow is very small and the friction of the snowboard is very low. The speed of gliding is very fast. The edge of the snowboard is very large. Skiers must have some glide techniques.
After ten o'clock, the surface of the snow slowly basks, and the snow becomes softer. This kind of snow feels best to the skier, is neither soft nor hard, and is comfortable to slide.
In the afternoon, under the illumination of the sun and the continuous turning of the skis, the humidity increases, the snow becomes sticky, and the friction force increases. It is easier for beginners to glide on this kind of snow, and skiers with good skills can The bottom of the skis is waxed to reduce the frictional resistance of the skis.
As the evening approached, the sun's radiation weakened and the temperature became lower. The moisture in the snow began to crystallize. At this time, the snow quality gradually hardened, but it did not reach the level of ice-like snow, much like compacted powdery snow. As the friction becomes smaller, the speed of taxiing becomes faster.
If snowball machines are not used for compaction after a new snowfall, a hard shell will form on the surface of the snow in a few days, and it will slide on this snow, requiring the skier to have a large forward momentum to break through the snow shell. This kind of snow is generally on ski slopes that can not be reached by ski trails, so skiers are required to have a higher level of skills. However, in this kind of high and steep snow surface requires a large momentum before the slide, but you have mastered the ability to control it, watching a piece of broken snow shell flying in the air, is really enjoyable.
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