 Poster: A snowHead
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Obviously A snowHead isn't a real person
Obviously A snowHead isn't a real person
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The news gets worse every year.
European glaciers at 2000m+ often no longer freeze, day or night, for weeks or months on end between Jun and Sep.
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Well, the person's real but it's just a made up name, see?
Well, the person's real but it's just a made up name, see?
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You need to Login to know who's really who.
You need to Login to know who's really who.
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Earlier this month we did the walk around Mont Blanc. Glorious, except that the bare rock at the bottom of every glacier was painfully obvious.
The hotel in Courmayeur we stayed in had old black and white photographs decorating its corridors, and these showed that 50-100 years ago the Glacier de la Brenva (adjacent to Mont Blanc as viewed form Courmayeur) used to extend right down to Entreves (where the entrance to the Mont Blanc Tunnel is); it now ends high above, probably above 2500m.
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Anyway, snowHeads is much more fun if you do.
Anyway, snowHeads is much more fun if you do.
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So just to confirm what everyone know - yes, we are still in the final stages of the most recent ice age.
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You'll need to Register first of course.
You'll need to Register first of course.
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| Mjit wrote: |
| So just to confirm what everyone know - yes, we are still in the final stages of the most recent ice age. |
So, climate change is real but it's not our fault?
TBF I used to try to persuade myself of that, but now I'm not so sure.
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Guess we will know for sure once we hit net zero. If global warming continues, I'm sure governments will find new ways to clobber the populous. 
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| JimboS wrote: |
| Guess we will know for sure once we hit net zero. If global warming continues, I'm sure governments will find new ways to clobber the populous. |
I'm afraid you're deluding yourself - we won't hit a real net zero in my lifetime or yours...
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You'll get to see more forums and be part of the best ski club on the net.
You'll get to see more forums and be part of the best ski club on the net.
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@Chaletbeauroc, that was the royal "we'", I know for sure I won't be round!  in the mean time I plan to get out to the snow as much as possible while the good times last.
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This forum will be renamed “Mudheads” in 30 years time
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snowHeads are a friendly bunch.
snowHeads are a friendly bunch.
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@franga, or maybe as the snow gets progressive less deep snow-"heads" will become -shoulders, -knees and finally -toes 
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And love to help out and answer questions and of course, read each other's snow reports.
And love to help out and answer questions and of course, read each other's snow reports.
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| Chaletbeauroc wrote: |
| Mjit wrote: |
| So just to confirm what everyone know - yes, we are still in the final stages of the most recent ice age. |
So, climate change is real but it's not our fault?
TBF I used to try to persuade myself of that, but now I'm not so sure. |
Ah, now where did I say that...? 
Is global warming happening? Yes.
Is global warming happening as part of the natural cycle? Yes.
Is global warming happening due to man made pollution? Unproven, but likely - and certainly not going to be helping slow the rate of global temperature rise!
Are we as a species generally screwed by global warming? Yes - as temperatures rise, ice melts and sea levels rise, submerging more land than they expose while the human population continues to grow...
Are homo sapiens cleaver enough to do anything about it? Yes.
Are homo sapiens motivated and selfelss enough to do anything about it? Probably not, if history is anything to go buy (both more distant past and also the last couple of days). We will no doubt do what we always do - complain but refure to 'pay the piper' to actually do anything about it, relying on a future generation to sort out the mess current and previous generations have created.
Will everything else on the planet probably be better off if homo sapiens wipe themselves out? Yes.
does any of it actually matter? Naa, it's all going to end with the ultimate heat death of the universe anyway and Sol will have turned into a white dwarf, having already consumed the Earth in its red giant phase long before that!
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You know it makes sense.
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CO2 emissions are still going up, not even reducing a bit, far less the CO2 itself reducing..
Since the effect of CO2 in any atmosphere is a known effect it seems odd to doubt it happens in ours.
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Otherwise you'll just go on seeing the one name:
Otherwise you'll just go on seeing the one name:
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| snowball wrote: |
CO2 emissions are still going up, not even reducing a bit, far less the CO2 itself reducing..
Since the effect of CO2 in any atmosphere is a known effect it seems odd to doubt it happens in ours. |
For values of 'known' that are far from exact.
Seriously, there are a lot of climate models trying to understand exactly how much the greenhouse gasses affect global warming, but while they've improved a lot over the last couple of decades they're still not really at the level where we can say we 'know' exactly the effects thereof,
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Poster: A snowHead
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Obviously A snowHead isn't a real person
Obviously A snowHead isn't a real person
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| Mjit wrote: |
| Chaletbeauroc wrote: |
| Mjit wrote: |
| So just to confirm what everyone know - yes, we are still in the final stages of the most recent ice age. |
So, climate change is real but it's not our fault?
TBF I used to try to persuade myself of that, but now I'm not so sure. |
Ah, now where did I say that...?
Is global warming happening? Yes.
Is global warming happening as part of the natural cycle? Yes.
Is global warming happening due to man made pollution? Unproven, but likely - and certainly not going to be helping slow the rate of global temperature rise!
Are we as a species generally screwed by global warming? Yes - as temperatures rise, ice melts and sea levels rise, submerging more land than they expose while the human population continues to grow...
Are homo sapiens cleaver enough to do anything about it? Yes.
Are homo sapiens motivated and selfelss enough to do anything about it? Probably not, if history is anything to go buy (both more distant past and also the last couple of days). We will no doubt do what we always do - complain but refure to 'pay the piper' to actually do anything about it, relying on a future generation to sort out the mess current and previous generations have created.
Will everything else on the planet probably be better off if homo sapiens wipe themselves out? Yes.
does any of it actually matter? Naa, it's all going to end with the ultimate heat death of the universe anyway and Sol will have turned into a white dwarf, having already consumed the Earth in its red giant phase long before that! |
This is the actual answer here.
The other question though, for this forum at least, is: Where will the best powder be found in years to come?
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Well, the person's real but it's just a made up name, see?
Well, the person's real but it's just a made up name, see?
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| afterski wrote: |
The other question though, for this forum at least, is: Where will the best powder be found in years to come? |
Colombia. Mexico is so over rated
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You need to Login to know who's really who.
You need to Login to know who's really who.
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| Chaletbeauroc wrote: |
| snowball wrote: |
CO2 emissions are still going up, not even reducing a bit, far less the CO2 itself reducing..
Since the effect of CO2 in any atmosphere is a known effect it seems odd to doubt it happens in ours. |
For values of 'known' that are far from exact.
Seriously, there are a lot of climate models trying to understand exactly how much the greenhouse gasses affect global warming, but while they've improved a lot over the last couple of decades they're still not really at the level where we can say we 'know' exactly the effects thereof, |
For what has already happened it is very definitely known. It is very definitely known that the warming seen since the start of the 20th century can not be explained without man made emissions of gasses which contribute to AGW.
Of course there is a wide range of modelled scenarios into the future, because we do not know what the emission scenario that is actually going to occur is, hence why models are run many many times over a range of 'Representative Concentration Pathways'. However when these climate models are used to hindcast, the contribution human activity has made to shifting the climate simply cannot be credibly denied.
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Anyway, snowHeads is much more fun if you do.
Anyway, snowHeads is much more fun if you do.
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| afterski wrote: |
| Mjit wrote: |
| Chaletbeauroc wrote: |
| Mjit wrote: |
| So just to confirm what everyone know - yes, we are still in the final stages of the most recent ice age. |
So, climate change is real but it's not our fault?
TBF I used to try to persuade myself of that, but now I'm not so sure. |
This is the actual answer here. |
The other question though, for this forum at least, is: Where will the best powder be found in years to come? |
Same as today
Hokkaido
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You'll need to Register first of course.
You'll need to Register first of course.
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| Mjit wrote: |
| So just to confirm what everyone know - yes, we are still in the final stages of the most recent ice age. |
Is that right? I thought the last ice age ended and we entered an interglacial phase about 11000 years ago?
https://www.ncei.noaa.gov/sites/default/files/2021-11/1%20Glacial-Interglacial%20Cycles-Final-OCT%202021.pdf
Looking at prior cycles we would be expecting to revert to a cooling trend around now (in geological terms!) which is why in the 60s and 70s some people were fretting about a new ice age to come but instead we've seen an accelleration of warming. I guess we might see cycles in insolation begin to counteract the warming trend at some point but the timescales are such that it looks like we might have made the world uncomfortably warm before that kicks in.
It has always seemed to me that the biggest risks form global warming come from humans' reactions to it. Billions of people depend on the amazingly fertile regions of N India and Central China. If something happens to that fertility I suspect the nuclear armed governments may look to secure food production elsewhere.
Last edited by You'll need to Register first of course. on Mon 2-10-23 14:27; edited 1 time in total
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| jedster wrote: |
| Mjit wrote: |
| So just to confirm what everyone know - yes, we are still in the final stages of the most recent ice age. |
Is that right? I thought the last ice age ended and we entered an interglacial phase about 11000 years ago?
https://www.ncei.noaa.gov/sites/default/files/2021-11/1%20Glacial-Interglacial%20Cycles-Final-OCT%202021.pdf
Looking at prior cycles we would be expecting to revert to a cooling trend around now (in geological terms!) which is why in the 60s and 70s some people were fretting about a new ice age to come but instead we've seen an accelleration of warming. I guess we might see cycles in insolation begin to counteract the warming trend at some point but the timescales are such that it looks like we might have made the world uncomfortably warm before that kicks in.
It has always seemed to me that the biggest risks form global warming come from humans' reactions to it. Billions of people depend on the amazingly fertile regions of N India and Central China. If something happens to that fertility I suspect the nuclear armed governments may look to secure food production elsewhere. |
An interglacial phase isn't the bit between 2 ice ages, it's the period during an ice age that's between 2 glacial phases. Just as it doesn't get warmer every day from December 21st to June 21st/colder every day from there back to December 21st it's not a straight line from the coldest point of an ice age to it's end, when there's no permanent ice on the surface of the earth but rather a series of warmer and colder spells where ice expands or receeds, with the longer trend across multiple phases being either a general warming or cooling until either 'peak ice' or 'no ice'.
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You'll get to see more forums and be part of the best ski club on the net.
You'll get to see more forums and be part of the best ski club on the net.
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| jedster wrote: |
| Mjit wrote: |
| So just to confirm what everyone know - yes, we are still in the final stages of the most recent ice age. |
Is that right? I thought the last ice age ended and we entered an interglacial phase about 11000 years ago?
https://www.ncei.noaa.gov/sites/default/files/2021-11/1%20Glacial-Interglacial%20Cycles-Final-OCT%202021.pdf
Looking at prior cycles we would be expecting to revert to a cooling trend around now (in geological terms!) which is why in the 60s and 70s some people were fretting about a new ice age to come but instead we've seen an accelleration of warming. I guess we might see cycles in insolation begin to counteract the warming trend at some point but the timescales are such that it looks like we might have made the world uncomfortably warm before that kicks in.
It has always seemed to me that the biggest risks form global warming come from humans' reactions to it. Billions of people depend on the amazingly fertile regions of N India and Central China. If something happens to that fertility I suspect the nuclear armed governments may look to secure food production elsewhere. |
Industrial pollution had a cooling effect which just masked the accelerated warming. In the 60s and 70s the scientific consensus was that the planet would warm up, however the media focused on some fringe theories and sensationalised them.
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| Mjit wrote: |
| jedster wrote: |
| Mjit wrote: |
| So just to confirm what everyone know - yes, we are still in the final stages of the most recent ice age. |
Is that right? I thought the last ice age ended and we entered an interglacial phase about 11000 years ago?
https://www.ncei.noaa.gov/sites/default/files/2021-11/1%20Glacial-Interglacial%20Cycles-Final-OCT%202021.pdf
Looking at prior cycles we would be expecting to revert to a cooling trend around now (in geological terms!) which is why in the 60s and 70s some people were fretting about a new ice age to come but instead we've seen an accelleration of warming. I guess we might see cycles in insolation begin to counteract the warming trend at some point but the timescales are such that it looks like we might have made the world uncomfortably warm before that kicks in.
It has always seemed to me that the biggest risks form global warming come from humans' reactions to it. Billions of people depend on the amazingly fertile regions of N India and Central China. If something happens to that fertility I suspect the nuclear armed governments may look to secure food production elsewhere. |
An interglacial phase isn't the bit between 2 ice ages, it's the period during an ice age that's between 2 glacial phases. Just as it doesn't get warmer every day from December 21st to June 21st/colder every day from there back to December 21st it's not a straight line from the coldest point of an ice age to it's end, when there's no permanent ice on the surface of the earth but rather a series of warmer and colder spells where ice expands or receeds, with the longer trend across multiple phases being either a general warming or cooling until either 'peak ice' or 'no ice'. |
Sorry but you are exactly wrong
"Similarly, an interglacial or interglacial period is the warmer period of time between ice ages where glaciers retreat and sea levels rise.[2] Over the last 450,000 years, glacials have lasted anywhere from 70,000 to 90,000 years whereas interglacials last approximately 10,000 years.[3]"
https://energyeducation.ca/encyclopedia/Glacial_and_interglacial_periods#:~:text=Similarly%2C%20an%20interglacial%20or%20interglacial,interglacials%20last%20approximately%2010%2C000%20years.
But even without reading the link it should be obvious that "inter" means between rather than "intra" whcih would be within.
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