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Questions tagged [caving]

Questions about safety precautions while caving, equipment checklist for caving, possible activities to make caving a better pastime, possible hazards, legalities if there are any for a specific region, etc shall be tagged with this tag.

4
votes
1answer
326 views

What is a lava tube, as a place to see bats? Are there any in the United States?

I've been looking for places to find bats in their natural habitat, rather than around the house. The author of this question saw some bats in a lava tube. I've never heard of a lava tube before, and ...
17
votes
4answers
5k views

Would a gunshot echo in a cave?

I'm writing a story in which someone is shot in a cave system. Another character is an adjoining tunnel some distance and at least a few tunnel intersections away. Would the sound of the shot reach ...
10
votes
1answer
227 views

How do I distinguish a dirt floor in a cave from a floor formed of very old coprolites?

This may be better asked as two questions; if so, I will edit. The question is prompted by a section in Neanderthal Man: In Search of Lost Genomes by Svante Pääbo, who was the first to sequence ...
3
votes
1answer
182 views

How fast does suspension trauma happen?

In this question I asked about suspension trauma and why it's effects come to be. Apparently the main reason is reduced blood flow/ circulation. This is due to blood vessels being constrained/pressed ...
12
votes
1answer
427 views

What is the warning call for falling rocks in your area?

I was inspired by the question "What should one do when climbing if someone above you yells ROCK?" to ask what the equivalents are around the world. So, what would I shout to warn someone below me of ...
22
votes
2answers
3k views

Why does suspension trauma happen?

This question once more brought up the topic of suspension trauma. I tried to read up on the topic, but found that the Wikipedia page was not as informative as I would have liked. Especially I'm ...
28
votes
3answers
8k views

What should one do when climbing if someone above you yells ROCK?

Hearing someone above you yell ROCK when climbing is a scary experience because that means that an object (usually a rock) is plummeting down to the route towards you. Hopefully you are wearing your ...
30
votes
1answer
7k views

Will a compass work underground or underwater?

Because they rely on radio signals, GPS units generally do not work underground or underwater, but what about a plain ol' magnetic compass? Are the magnetic fields of earth present at all depths? ...
12
votes
1answer
398 views

How to get rid of illegal artificial paints on historical monuments?

India is known for its historical monuments and Caves are essential part of them. While among them, almost all major tourist attractions are very well conserved and looked after, unfortunately some of ...
18
votes
2answers
434 views

Exploring coastal caves safely?

Having read this good question I felt it covered mountainous regions very well however myself and my husband are big fans of the coast and he certainly has (with his ex-fisherman father) explored many ...
9
votes
1answer
396 views

Dangers of excavating caves?

There are a lot of caves around where I'm from in the Southern Canadian Rockies, including the largest cave, and the longest cave in Canada, as well as the Booming Ice Chasm. The caves around here ...
9
votes
2answers
6k views

Minimum safe rappel rope diameters?

9mm is considered minimum for a vertical rappel with a nylon or polyester kernmantle rope, 6mm with high strength aramid, but what if your rappel isn't vertical? What's the minimum safe rope diameter ...
12
votes
1answer
818 views

Headlamp with open flame

I just saw a documentary where they investigated lakes inside of glaciers. They rapelled in big crevasses and even dived in those sometimes huge water reservoirs. The scientist had a regular looking ...
6
votes
2answers
493 views

Good places to go potholing in the UK

A long time ago when I was about 10 I went potholing on a school trip in Devon, and despite mild claustrophobia I found myself eventually enjoying it - egged on brilliantly by my friends. I hadn't ...
14
votes
2answers
1k views

Semi-static rope 24 hour rule

It is said that a semi-static rope should be submerged for 24 hours before first use. Why is this, and is this before every first use ?
9
votes
1answer
7k views

What temperatures can I expect in caves compared to surface?

If the daily air temperature is between 0 °C to 14 °C, what sort of temperature would be found within caves? Will it be any colder or warmer? The caves in question (Wombeyan) do not go terribly far ...
16
votes
4answers
1k views

What precautions are needed for caving?

I have been hiking/mountaineering for quite a few years now. But, I have never been into a deep cave as yet. We are planning to explore a natural cave that we'll have to rappel into. The cave is ...
7
votes
1answer
1k views

Why can't a Figure-of-8 descender be used for SRT?

I've been told that a Figure-of-8 descender cannot be used for SRT (single-rope technique) because the descender must be able to be removed from the rope, without being removed from the harness. Why ...
16
votes
2answers
6k views

What types of boots are good for caving?

Considering the following options: watertight: because caves are often wet or muddy stiff sole: to provide more grip and protection from the rocky bottom. durability What is better, a rubber boot or ...