what are some cold water scuba diving considerations?
do you know any that pertain to gases?
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what are some cold water scuba diving considerations?do you know any that pertain to gases? Related PostsTags: Cold, considerations, diving, scuba, Some, Water One Response to “what are some cold water scuba diving considerations?” |
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Sure. A drop in tank pressure as the gas in the cylinder contracts. It’s not much but it’ll register on your console gauge.There are a couple that are indirectly related to the breathing gas as far as effects on you or your equipment as well. Cold water diving ( close to freeze point in water and air) can cause a freeze of the regs if they’re not environmentals (sometimes even if they are environmentals). That’ll lead to a free flow of your gas supply. As for the diver, you add ten feet to the depth of the dive for your planning purposes. The colder water makes you a little more susceptible to a DCS ( decompression sickness) hit as well as the onset of narcosis so you plan and conduct your dive pretending it to be 10 feet deeper than it really is to account for that to stay within NDL (no decompression limits) diving. Both those conditions relate to breathing gas and it’s effect on the body when diving cold. For example, say your planned dive was to take you to 120 feet maximum for 3 minutes in water temps of 42F. You’d instead call the dive 130 and 3 minutes and work your tables from that.