In daily activities, mild dehydration can only make people feel thirsty, but dehydration during climbing can cause fatigue, loss of direction, and headaches. The dehydration causes physical weakness far beyond your imagination. It can also cause several kinds of mountain diseases, such as acute mountain sickness.
Compared to usual, the amount of water taken during mountain climbing should be more abundant, and drinking plenty of water 24 hours before climbing can quickly increase physical fitness. Even if you think you are not thirsty, try drinking some water. Especially in dry, cold environments with high altitude, large amounts of water vapor are released from the skin and lungs. It is a wrong practice to wait until you are thirsty, because thirsty means the body is already in a dehydrated state.
The best method is to judge by urine: If it is light yellow or colorless, it means that the body has enough water; if it is dark yellow, it means that the body has begun to lack water. And dehydration at high altitudes can make people feel sick and people do not want to drink water at all.
Water should be placed wherever it is available, such as in a small bag on the waist. You can also use a lightweight water bag, put the water bag in a backpack, and attach the extended straws to the shoulder strap so that you can turn to drink water.
Electrolytes that are lost with massive sweating can be supplemented with a balanced diet. Summer hiking The latter long-distance walking should pay special attention to supplement electrolytes, sports drinks is a good choice, but not everyone can quickly and effectively absorb the electrolyte. Before you drink a sports drink, you can dilute with water or drink it and then drink some water, which will help the body absorb electrolytes.
The source of drinking water
Water is a very precious resource in the wild. Water can be supplemented in some mountainous areas or in vast snow fields. However, in arid deserts or frozen mountain tops, it is only necessary for the climbers to bring their own drinks to quench their thirst.
A trip back and forth between the day, usually carrying 1.5 to 3 liters of water is enough to drink. For a three-day mountaineering trip, at least 6 liters of water per person during daytime hiking or general climbing, plus 5 litres of water consumed by the camp for drinking or cooking, these waters cannot all come out of their homes and need climbers from the pond. , streams, ice and snow.
Climbing snow-capped mountains or hiking on snow in winter, compacting snow into kettles is a good way to melt snow. In the kettle, inject some water first, add some snow, and compact it. Then put the kettle on the side of the backpack facing the sun. The dripping of icicles under the hanging rock, or the snow flow formed by snow melting on the edge of the snow, is a source of drinking water. Steel cups or pots can be used to collect water.
Of course, the most reliable source of drinking water is to use its own stove to boil water or melt snow. Although this will consume a lot of fuel and time, there will be no water hygiene problems.
Water purification method
There are four main types of water purification methods: boiling, chemical disinfection, filtration, and UV disinfection.
Boiling method: boiling the water can successfully kill most of the bacteria in the water, which is the most effective method of water purification. In order to achieve a better water purification effect, boil the water and then burn it for one minute. In high altitude areas, it can be boiled and then burned for several more minutes.
Chemical Disinfection Act: Chemicals Disinfection is a convenient method, but the effect is not ideal, and the residual agent has some damage to the body. Common chemical agents are iodine, chlorine, chlorine dioxide.
Iodine can effectively kill viruses and bacteria, but it is not effective against Cryptosporidium and Cyclospora. After adding iodine in the level, close the cap and shake it up and down. Wait until iodine is fully functional, then add fruit powder to dilute the odor of iodine.
Chlorine is a commonly used disinfectant, but it is not the best choice for mountaineering water purification because it does not kill pear flagellates and is not effective against Cryptosporidium. When chlorine is added, the smell of water is very strong and hydrogen peroxide is added to eliminate odors.
Hydrogen peroxide is mixed with phosphoric acid 5 minutes before use, and the oxygen produced by the two can play a role in disinfection.
Filtration: Most parasites can be filtered out, but not for all bacteria and viruses, depending on the size of the water filter pore size. In order to obtain the best filtration effect, the absolute pore size of the water filter should be less than 0.4 micron.
Although the water filter is expensive, the water purification rate is faster. Some water filters have grooves that facilitate iodination, and some water filters have special carbon elements that eliminate odor odors.
Precautions for choosing a water filter are: small size, light weight, easy to use, easy to clean and maintain, applicable in the field, and easy to clean in the field.
Recommend a very good water filter: LifeStraw life straw or LifeStraw life kettle, life straw water filter pore size of 0.2 microns, the water purification effect is very good.
UV disinfection: Ultraviolet water purifiers can kill most bacteria, germs, and protists in the water. Some substances in the water are also exposed immediately under ultraviolet radiation. UV water purifiers on the market have their own species of native organisms. Please read the instructions carefully before purchasing.
The UV disinfection method has quick results and obvious effects, but the disadvantage is that it depends on the battery power supply and must carry a sufficient amount of batteries.
Before starting, we must determine which water purification method to use, and each water purification method has its own advantages and disadvantages. It is necessary to select the optimal water purification plan suitable for this itinerary based on various actual conditions.
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