shane73 wrote: "camp" fires were lit (about 6 IIRC) but only by elderly walkers. All the youngsters knew better.
tom_brennan wrote:In the Blue Mountains, where we mostly walk, large areas of bush burn every ten years or so. The fires of 93/94, 97/98, 01/02 and 02/03 each burned over 500,000 hectares of bush, including large areas in the Blue Mountains. The 02/03 season alone burned nearly 1.5 million hectares across NSW. Perhaps I'm misguided, but I figure I'm just carrying out a bit of fuel reduction!
shane73 wrote:1. Regarding the carbon neutrality of camp fires: Such claims are idiotic. Somehow I don't think the emissions from camp fires will be tallied during negotiations at COP21 in Paris next year.
Realise -
a) No GHG emissions budget remains
b) The necessary emissions reductions now required to adhere to a 2 degC warming limit (c.f. pre industrial) are incredible given economic inertia, vested interests and the historical context of such reductions
c) The consequences of 2 degC warming or greater demonstrated by paleoclimate evidence are severe to say the least. The expectation of 4 degC warming for example is death of all but 1 billion people this century.
John you don't realise the magnitude of the problem nor the magnitude of the solution, and the latter is certainly slightly greater than the difference between not burning a canister of gas and instead burning some twigs and maybe a log! Good grief. You have some reading and much thinking to do. Don't feel bad, so does almost everyone else here in this land of ignorance and apathy. Australians don't do that science and math stuff anyhow.
2. Regardless of the extent of annual bushfires walkers using campfires leave evidence of their passing. So much for fundamentals then. I'd much rather walk without seeing any evidence of anyone else's passing. I ensure as fully as I can that nobody can tell I passed by. I must admit 90% of the walking I've done has been in Alpine country and I've only walked in the blue mountains a couple of times. Both times I was disgusted and amazed at the litter there so perhaps standards differ, or perhaps the fundamental rules of bushwalking have been forgotten here and there are better websites to discuss this pass time?
shane73 wrote:1. Regarding the carbon neutrality of camp fires: Such claims are idiotic.
shane73 wrote:Yes I suppose said idiocy was obvious and I didn't need to point it out.
Consider how wood is made in the first place: the sun and photosynthesis snatch CO2 out of the air and use the sun's energy to split off the carbon atoms and string them together into wood fiber. That takes energy, which always has the potential to be released. As long as the tree is alive, the wood stays together and carbon is stored.
As soon as the tree dies, microorganisms begin digesting the wood to collect the energy stored there. They break the carbon-to-carbon bonds, use the energy to grow, and this process releases CO2 into the atmosphere as a by-product. The process can take years or even decades, depending on the decay rates in your particular ecosystem.
Funny thing, a campfire does essentially the same thing. Combustion, or burning, breaks those carbon-to-carbon bonds — only this time the energy is released as the lovely light of flames and soothing heat. The process is much faster, taking only as long as it takes to burn the wood.
shane73 wrote:2. Regardless of the extent of annual bushfires walkers using campfires leave evidence of their passing. So much for fundamentals then.
tom_brennan wrote:Consider how wood is made in the first place: the sun and photosynthesis snatch CO2 out of the air and use the sun's energy to split off the carbon atoms and string them together into wood fiber. That takes energy, which always has the potential to be released. As long as the tree is alive, the wood stays together and carbon is stored.
As soon as the tree dies, microorganisms begin digesting the wood to collect the energy stored there. They break the carbon-to-carbon bonds, use the energy to grow, and this process releases CO2 into the atmosphere as a by-product. The process can take years or even decades, depending on the decay rates in your particular ecosystem.
Funny thing, a campfire does essentially the same thing. Combustion, or burning, breaks those carbon-to-carbon bonds — only this time the energy is released as the lovely light of flames and soothing heat. The process is much faster, taking only as long as it takes to burn the wood.
http://www.nature.org/science-in-action ... r-2010.xml
shane73 wrote:1. Regarding the carbon neutrality of camp fires: Such claims are idiotic.
shane73 wrote:1. Leave only footprints, take only photos. It's not hard.
shane73 wrote:1. Leave only footprints, take only photos. It's not hard. Expecting all walkers who light fires to scatter ashes and camouflage the scar is silly since skill and care will vary. There's only one reliable method: Leave only footprints, take only photos.
shane73 wrote:1. Regarding the carbon neutrality of camp fires: Such claims are idiotic.
shane73 wrote:Oh but we'll sit about and worry about whether our campfire is carbon neutral? WT *$&#?
shane73 wrote:Perhaps without a fire? Imagine if we all lit fires wherever we walked?
Was interesting to observe during my previous trip to McAllister Springs many "camp" fires were lit (about 6 IIRC) but only by elderly walkers. All the youngsters knew better.
whitefang wrote:It's about minimising impact. You don't have to light fires ...
whitefang wrote:It's about minimising impact. You don't have to light fires and I'm not sure about other states but in SA if you want a fire you need to bring your own wood. Comparing mud to fires is apples and oranges. Mud can't be helped but our impact can be minimised by walking through it rather than around and spreading the track and mud.
slparker wrote:Of course the additional problem of a campfire AND boots AND faeces is a greater contribution to our impact on the environment but a fire per se is not a Great Evil.
north-north-west wrote:slparker wrote:Of course the additional problem of a campfire AND boots AND faeces is a greater contribution to our impact on the environment but a fire per se is not a Great Evil.
Ingenuous, given that the campfire does not occur without the boots and faeces and whatever other impact those lighting it have. Which, again, is the crux of the matter. Putting our feet on the ground and $#!+ing are unavoidable; a campfire is not.
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