Ice climbing is an activity that takes place in colder seasons or climates. Take Shuangqiaogou in Sichuan as an example. The local elevation is between 3,200 and 3,600 meters. At night, the temperature is about minus 10 degrees Celsius. The sun can be warm to the sun during the day.
In particular, the students in the south have not experienced cold, there is no clear concept of equipment preparation and cold awareness, and it is not the same as climbing ice and high-altitude mountain climbing and ordinary tourism. Therefore, we need to popularize it here. Loss of temperature and outdoor equipment knowledge.
I. Loss of temperature
At high altitudes, loss of temperature is a major threat to human life. There are four ways to lose heat in the body: convection, conduction, evaporation, and radiation. For example, if you sleep on the floor in the summer, it is not that the coldness on the ground has entered the human body. Instead, the heat in the body is transmitted to the ground, causing discomfort to the body. For another example, the windy weather will feel colder and the temperature will not be lowered. But because the air has taken away more heat, people have lost more of the temperature; also, if the body is wet, it will feel cool, because the moisture evaporates and the temperature of the body will decrease. a lot of……
Loss of temperature is due to the fact that the temperature is too low and the clothes are not warm enough. However, it is due to physical reserves, lack of understanding of the principle of wearing clothes and improper clothing selection. Imagine: You are wearing a wet suit. At an altitude of four or five kilometers, the wind blows. The cold effect will quickly take away the heat from your body. Loss of temperature is inevitable.
Therefore, we must have a more scientific understanding of the mechanism of temperature loss and the local selection of outdoor clothing in order to travel safely.
II. The principle of outdoor dress
To participate in outdoor sports in the cold zone, to keep yourself dry as much as possible, you can prevent loss of temperature.
Outdoor "three-tier dress code" - inner sweat, middle warm, outer protection. (Knock on the blackboard! Highlight the point!!) Wear a sweat-wicking quick-drying long-sleeved T-shirt to allow your body to quickly dry on your own body temperature even if it is slightly sweaty. Wear warm clothing such as fleece, down, etc. to keep your body in the middle. Temperature; outer jacket, windproof, waterproof, so that the body temperature will not be taken away by the cold air.
Before exercise, let your body feel a little cool; exercise by adjusting their exercise intensity, so that the body does not sweat as much as possible; at the time of rest, put on a down jacket to save their own heat.
Three. Ice climbing, climbing essential personal equipment
/ Softshell underwear
It has to be said that the soft shell is very suitable for high altitude mountaineering. In the course of ice climbing and mountain climbing, it will basically not rain, only snow. The soft shell has a certain windproof, waterproof effect, but also can keep warm, and the fabric is relatively soft and comfortable, and its practicality is better at this time than the Jackets.
/ Sweat and quick-drying underwear
A good underwear allows you to keep dry at any time, through a special knitting process, the sweat quickly discharged to the outer layer of clothing, but also the rapid evaporation of water vapor, some underwear also contains silver ions, can achieve antibacterial deodorant effect.
/ Emergency underwear
Shuangqiaogou has a relatively high temperature during the day when there is a sun. The ice waterfalls will melt. Individual ice waterfalls will even wet the clothes of ice climbers like rain, and the weather at high altitudes will change greatly. Waterproof effect is much better than other clothing, bring a jacket, reduce the threat of precipitation, strong wind, and keep the body comfortable.
/ down jacket
When climbing or marching, a soft shell and a quick-drying underwear can maintain the comfortable temperature of the body, but when it stops, it will feel cold, this time shrinking yourself in the thick down, really is a Kind of enjoyment.
/ Fleece caps, gloves, socks
In the cold zone, 70% of the heat is emitted from the head. Even when climbing, it is recommended to wear a hat to keep warm, otherwise the heat loss rate is still very fast; two more pieces of fleece gloves are recommended, and waterproof gloves can also be used. Deputy, in the cold region, it is not recommended that the hand be protected without any protection. The warmth of the end of the limb must be done well before it is easily frostbite; the socks are preferably thick wool socks with good water absorption and soft, if the foot skin is worn Walking will become a very painful thing.
/ sunglasses, sun protection items
High-altitude ultraviolet light is very high. Even if it is cloudy, the clouds will not absorb ultraviolet rays. In particular, with the reflection of ice and snow, ultraviolet rays will burn the retina, causing sore eyes, tears, and snow blindness. Alpine glasses or sunglasses can greatly reduce the damage of ultraviolet rays. Children's shoes with glasses can also buy a pair of sunglasses that are clipped on the glasses. Sunscreen is recommended 50 times, after all, the ultraviolet light in the plateau is still very strong, in addition, the sunscreen lipstick can also be prepared, high altitude areas are more dry, lip cracking to eat will become a difficult thing ... ...
/ Headlight
The headlight is one of the top 10 necessities for the outdoors. In the process of outdoor activities, you can free your hands and have stronger advantages than lighting equipment such as flashlights and mobile phones. Although we did not camp at this climbing event, we still need auxiliary lighting at night in the accommodation area. In the process of climbing, headlights must be carried, because we never know what will happen to delay our journey.
/ Thermal flask
A very important item! Recommended 750ml or more. Drinking hot water keeps your body warm and warms your body. Eating ice and snow will be even more thirsty, because the ice and snow have very little water content, and the cold will make the body consume more water, and ice water will stimulate the throat and cause inflammation!
/ trekking poles
Climbing ice can only reach the bottom of the ice wall on foot for a day. The last day of climbing must go through a long period of gravel. The use of trekking poles can reduce the power of the lower limbs by 20%~30% and relieve the pressure on the knees. It is a double rod, straight shank. In high altitude areas, individuals with aluminum alloys, carbon, and the like are always afraid of becoming more brittle due to cold weather.
/ Backpack
40L or more climbing bag is recommended. Although there is no need for camping, there will be less things to install, but personally feel that it is more convenient to pack things, ropes, helmets, seat belts, crampons, thick downs, etc. ?
/ hiking shoes
We have prepared mountain boots. When climbing ice, we must wear alpine boots. When climbing, we still can. Even though the shoes are heavier and harder, I feel that there is no pressure on the gravel. But for the first time, children's shoes wearing high-altitude boots have May feel unwell. Prepare a pair of waterproof shoes for climbing, for the primary snow-capped mountains of the five-thousand kilometers can still deal with, shoes are always their own is the most appropriate ... ...
/ Other ice climbing equipment accessories (as required)
There are also some fleece trousers, cotton clothing, thin down can also be used as a warm layer in the middle. The magic turban can also be prepared, put on the neck to keep warm, and cover the face with sunscreen. Snow jackets can also be purchased. For the first time, wearing crampons will inevitably scratch the pants. Snow jackets can also be used as a layer of protection.
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