Is the record Arctic ice melt a concern?

Put your poll about non-fishing topics here.

This year's record Arctic ice melt is ...

A problem
11
58%
Not a problem
8
42%
 
Total votes: 19

Queasy
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Re: Is the record Arctic ice melt a concern?

Post by Queasy » Thu Sep 20, 2012 3:42 pm

DOUG wrote:dont make me go and type something else stupid into google just to keep you on your toes :) :) ;)
OK, I declare a truce :D

Time to get the lines wet....



ronje
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Re: Is the record Arctic ice melt a concern?

Post by ronje » Thu Sep 20, 2012 6:27 pm

Jeez Queasy You're a bit hard on a uneducated bloke!!

I'm one of the great unwashed that you scientific fellas should be educating not being intolerant towards.

You pretend to apologise for your words (the ones you think are a bit harsh) and I'll pretend to accept it.
Regards
Ronje

Queasy
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Re: Is the record Arctic ice melt a concern?

Post by Queasy » Thu Sep 20, 2012 8:48 pm

ronje wrote:Jeez Queasy You're a bit hard on a uneducated bloke!!

I'm one of the great unwashed that you scientific fellas should be educating not being intolerant towards.

You pretend to apologise for your words (the ones you think are a bit harsh) and I'll pretend to accept it.
I'm happy to apologise for any offence which may have been caused. On re-reading it, I do agree I could have put it more politely.

I guess I get ticked off a bit when the scientists get the blame for stuff that isn't their fault. I watched a doco where a delegation of top scientists was sent to Canberra to educate the pollies. Most of the pollies, and in particular the Liberals, refused to even go to it. But they were eager to attend a speech by Loony Lord Monkton, if I recall correctly. In essence, they chose to hear what they wanted to hear, and turned a blind eye to the the rest.

There is a vast amount of information that has been put in the public arena on the subject, its up to individuals to digest it. As with anything, look at the credentials of whose publishing it and see whether they have a vested interest in it and are qualified on the subject.

ronje
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Re: Is the record Arctic ice melt a concern?

Post by ronje » Fri Sep 21, 2012 1:58 am

Thanks Queasy. I guess I was being a bit tongue in cheek as well.

Its very difficult for people not in the industry to form realistic views about scientific matters. They aren't in a position to draw conclusions about qualifications, credibilitiy etc.

As a result it very often it comes down to the singer vs the song.

If the singer is unpopular then the song receives the same treatment.

The original thread question is about the arctic ice melt.

There is a line of thought that the antartic has significantly more land underlying it than the arctic thus making the arctic ice more vulnerable to the effect of ocean current temperature changes. More ice in contact with the water thus increased melting.

Another line of thought relates to soot.

Higher than normal concentrations of soot over the last couple of hundred years have contaminated the arctic ice affecting its relective qualities and causing it to absorb more heat. The colour of the ice has changed.

The heat emanating from the slightly different coloured ice is of a different wavelength to that absorbed by the ice and cannot escape as easily.

So the body heats. The ice melts. Classic greenhouse effect.

Perhaps the cause is a combination of both things or even a third or fourth influence.

Isn't one of the basic laws laws of physics " For every action there is an equal and opposite reaction"?

So a "yes" answer to the question " Is the record arctic ice melt a concern?" would have to be seductive.

Cause/s?

Industrial revolution took place mainly in northern hemisphere so there is probably some contribution by man.

More volcanos in northern hemisphere perhaps?

Effect of an arctic melt?

More water in liquid form into oceans so levels would have to rise all around the world (not just northern hemisphere). More water surface area means altered rainfall characteristics and weather change. Ultimately climate change.

I can understand why the antartic is popular for research due to its isolation, relatively pristine condition etc...etc...etc. Very useful in being able to benchmark data.

The arctic is so close to the centre of the climatological research universe (the northern hemisphere) but we don't hear much about research effort there. Why is that?

I'd have thought the researchers would have been a lot busier and vocal beavering away at something happening right under their noses.
Regards
Ronje

garrynt
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Re: Is the record Arctic ice melt a concern?

Post by garrynt » Thu Sep 27, 2012 4:04 pm

A more graphical image of the differences.

http://www.abc.net.au/news/2012-09-27/a ... 12/4283418

Looks like I'll be able to race you all to the North Pole in my tinny in the next few years without removing my thongs.

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