A debris hut is good shelter when you can readily find dry leaves, branches, grasses, and other materials. What happens if all of that useful shelter-building material is hidden under a big pile of snow? Naturally, you build a snow shelter instead.
There are many different ways to build a snow shelter, but all of them share a few key features:
You can decide for yourself what kind of structure you want to build, but it will largely be dictated by the quantity and quality of snow around you. Just remember that snow insulates well but also melts, so you can surround yourself and keep warm, but try to also find a method to keep dry.
Most of us will never find ourselves lost in the woods with night falling. Most of us would also not know what to do if we did end up in that situation. Luckily, there is an excellent article explaining how to build a debris hut out of materials easily found out in the bush.
A debris hut is nothing more than a pile of debris, like leaves, dry grasses, branches, and whatever else is lying around, with a spot for you to sleep and some protection from blowing away. Think of it as a tent within a tent. Build a tent skeleton from sticks, pile as much debris on as you can, add another tent of branches to keep your pile from blowing away, and you’ve got a cozy nest to sleep in.
This method could also be easily adapted for the urban environment. Paper, cardboard, and plastic wrap would replace debris, and posts, bars, lengths of wood or steel could be the structural elements. Of course, in an urban environment you’re more likely to find shelter of a more permanent and secure sort, but it’s good to have options.
You require some form of shelter. Be it snow, wind, rain, or sun that you need to escape, you need shelter. Unless you’re nomadic, you will probably want something semi-permanent.
One solution for Do-It-Yourselfers is to build using adobe bricks. Adobe structures extremely varied in their construction, but I’m going to concentrate on adobe bricks specifically. As long as you have access to water, sand, and clay-rich soil, you can make adobe bricks. Optional materials that would give your bricks further strength would be straw, dried grass, or other similar materials.
There are many online resources explaining how to make adobe bricks so I’ll paraphrase:
It would be wise to make a small test batch to ensure you have your mixture correct before making hundreds of cracked or brittle bricks.
One word of caution - adobe bricks are simply clay, sand, and water. Don’t expect them to be waterproof, or to last very long unprotected from the rain. Use an exterior cover and/or a wide roof overhang to shield your adobe from undue moisture, and keep an eye on drainage around your shelter.