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You want to leave enough room at the entrance for airflow. If the entrance is totally blocked you could possibly suffocate on the CO2 you breathe out. In addition to the entrance, keep an eye on the air exit at the top so it doesn't get blocked. You can heat the inside significantly with just a candle.


I am assuming that, as you moved out of the snow field you were also descending, therefore, I think it is more likely you were experiencing altitude sickness and your symptoms reversed as you descended. The presence/absence of snow was purely coincidental. Dehydration contributes to altitude sickness through, lower air density which increases respiration ...


You do not provide any evidence that you were actually dehydrated, but only felt dehydrated - I assume you felt thirsty. Symptoms and signs of dehydration are described here in great detail: http://www.ehealthstar.com/dehydration/symptoms-and-signs In short: thirst, dry mouth, fatigue, headache, nausea, decreased skin elasticity, dark urine, sudden loss of ...


Three thoughts: If the snow is thigh-high, then you should be either using touring skis or snowshoes to "float" over the snow. You'll expend way less energy. Seriously, I can cover probably 10x-50x the distance (or more) with alpine touring gear or snowshoes in the same amount of time as someone without, and that's regardless of the angle of slope. ...


We have tested many sleds over the years and this one is as dangerously fast as it is classically beautiful. I won't ride this one without a helmet and other protective gear. We live on a mountain and I'll often leave this one in the garage in favor of a cheap plastic torpedo style sled because it's too fast.


To answer the sleeping bag question: Snow shelters drip. Constantly. You can deal with some of the drips by placing your ungloved finger on the drip and then moving down to the bottom of the wall. The heat of your finger melts a tiny channel and encourages the drip to follow it. Still, you will get damp, so the best approach is either to have a ...


Cold weather is usually associated with an increase of urine production. This urine production is a consequence of a body strategy to prevent heat loss. The urine production increase might be responsible for your dehydration.


An unhurdled slip-and-drop would be fatal without a doubt. If this is the case, then maybe you need a belay. However, if the snow is sufficiently deep and soft that you're sinking up to your knees, why is it the case that slipping and being unable to self-arrest is so dangerous? In these conditions, typically you can't even intentionally get going fast ...


If being in air below 0C is not normal for you, the difference is probably caused by breathing through your mouth vs your nose. Where there is visible snow, it's colder than 0C. You can feel uncomfortable in your nose breathing in this cold. You won't actually get ice crystals forming in your nose, but you can feel that you are. Your reflex will be to ...


Also using paw ointment, could help to reduce the problem, preventing ice/snow to build up and also helps with problems with salted roads and minor blisters Example:http://www.non-stopdogwear.no/eng/Our-products/Care-line/Non-stop-Paw-Ointment


One point I would like to add to all the good answer before: Snow is good at catching pollution. But it isn´t good in containg minerals. Apart from short-term hydration, you should NOT rely on snow as water source for a longer period of time because you simply won´t get the electrolytes you need - at least if you don´t supply them for example through food. ...

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