Postby Wobbler on Wed 14/Nov/07 12:09am

Halo24 wrote: Al Gore is like the Robbieracer of global warming.

http://www.johnstonsarchive.net/environ ... world.html
I'm sure Al Gore would find that pretty insulting.
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Postby propster on Wed 14/Nov/07 1:32am

I last until 7 Metres.
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Postby Macatak on Wed 14/Nov/07 11:45pm

Haha! At 14m i have a beach just around the corner.

Gotta love hilly Auckland :D
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Re: Raise The Sea Levels On Google Earth

Postby Tama on Thu 19/Mar/09 2:07pm

propster wrote:I last until 7 Metres.


http://www.stuff.co.nz/world/2276536/An ... ing-point/ wrote:A large part of the ice covering West Antarctica could be lost if greenhouse gases in the atmosphere increase only slightly from today's levels and ocean temperatures continue to rise.

Another related study said if the West Antarctic ice sheet collapsed and the East Antarctic ice sheet continued to melt at its marine margins, global sea level would rise seven metres from today's level.

Antarctica stores about 90 percent of the world's freshwater.

Both studies, published in the journal Nature, are a result of extensive drilling into the seafloor under the Ross Ice Shelf by a team of New Zealand, Italian, American and Germany scientists.

The floating ice shelf won't elevate sea levels if melts because it is already displacing water. The real threat comes when the ice sheet behind, which is below sea level, is exposed to the ocean.

The 50-plus core samples, down to 1.2 kilometres, allowed the scientists to study how previous periods of rising carbon dioxide affected ocean temperatures, ice movements and sea levels.

The cores showed the West Antarctic ice sheet in the Ross Embayment area collapsed and reformed every 40,000 years. It has collapsed 38 times in the past 5 million years.

"Most of it sits below sea level and is very vulnerable to rising ocean and atmospheric temperatures," Tim Naish, Director of Victoria University's Antarctic Research Centre in Wellington, said in a briefing on the drilling study.


Wellington with a sea level rise of 7 metres: http://flood.firetree.net/?ll=-41.3067,174.7908&z=4&m=7

Christchurch with a sea level rise of 7 metres: http://flood.firetree.net/?ll=-43.5319,172.6000&z=5&m=7

Auckland with a sea level rise of 7 metres: http://flood.firetree.net/?ll=-36.8835,174.7684&z=6&m=7
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Re: Raise The Sea Levels On Google Earth

Postby Flyboy on Thu 19/Mar/09 2:15pm

Seeing as I have neither the ability nor the access to it to do it, anyone feel like seeing what Tauranga/ Mt Maung looks like witha rise of 5m looks like seeing as it was in todays paper here?
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Re: Raise The Sea Levels On Google Earth

Postby crazychris on Thu 19/Mar/09 2:21pm

woo hoo, Port Hills & Bottle Lake (mostly) and McLeans Island will all be fine, my house will be 2m underwater, but at least I'll be able to go for a ride or two.
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Re: Raise The Sea Levels On Google Earth

Postby Tama on Thu 19/Mar/09 2:22pm

Flyboy wrote:Seeing as I have neither the ability nor the access to it to do it, anyone feel like seeing what Tauranga/ Mt Maung looks like witha rise of 5m looks like seeing as it was in todays paper here?

Here you go: http://flood.firetree.net/?ll=-37.6677,176.1618&z=4&m=7

Oh bugger - 5 metres... wait a tick...

http://flood.firetree.net/?ll=-37.6677,176.1618&z=4&m=5
tauranga-7m.jpg
7 metre rise
tauranga-5m.jpg
5 metre rise
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Re: Raise The Sea Levels On Google Earth

Postby Flyboy on Thu 19/Mar/09 2:27pm

awesome thanks Tama.
Hmm, 5m isnt quite as catastrophic as I would have thought. 7m though, the fun starts! I should be good till about 15m I reckon, but by then everyone else is poked so oh well!
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Re: Raise The Sea Levels On Google Earth

Postby Tama on Thu 19/Mar/09 2:29pm

Flyboy wrote:awesome thanks Tama.
Hmm, 5m isnt quite as catastrophic as I would have thought. 7m though, the fun starts! I should be good till about 15m I reckon, but by then everyone else is poked so oh well!

I do wonder what the sea level is calculated from - is it mid-tide for example? Anyone who's lived near the sea will know tides have quite a few metres of movement so while these maps probably show a rough approximation of mid-tide it does make you wander what high tide (with a full moon and a nice swell thrown in) would look like.
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Re: Raise The Sea Levels On Google Earth

Postby E Dogg Capizzle on Thu 19/Mar/09 2:32pm

Lucky global warming is a myth then eh? :)
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Re: Raise The Sea Levels On Google Earth

Postby Tama on Thu 19/Mar/09 2:37pm

E Dogg Capizzle wrote:Lucky global warming is a myth then eh? :)

Yeah, phew.

I was terrible worried and was going to walk down the street wearing an "End is Nigh" sandwich board, but then I remembered that scientists only release studies full of made up crap in an effort to get more funding for whatever fashionable bandwagon they're currently on :thumbsup:
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Re: Raise The Sea Levels On Google Earth

Postby E Dogg Capizzle on Thu 19/Mar/09 2:38pm

Bloody scientists. :hmmm:
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Re: Raise The Sea Levels On Google Earth

Postby j2hyde on Thu 19/Mar/09 2:39pm

http://www.stuff.co.nz/world/2276536/An ... ing-point/ wrote:The cores showed the West Antarctic ice sheet in the Ross Embayment area collapsed and reformed every 40,000 years. It has collapsed 38 times in the past 5 million years.


Given the frequency of this naturally occuring event it sure is great that we can stop the climate from changing :blink:
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Re: Raise The Sea Levels On Google Earth

Postby Flyboy on Thu 19/Mar/09 2:40pm

Tama wrote:
Flyboy wrote:awesome thanks Tama.
Hmm, 5m isnt quite as catastrophic as I would have thought. 7m though, the fun starts! I should be good till about 15m I reckon, but by then everyone else is poked so oh well!

I do wonder what the sea level is calculated from - is it mid-tide for example? Anyone who's lived near the sea will know tides have quite a few metres of movement so while these maps probably show a rough approximation of mid-tide it does make you wander what high tide (with a full moon and a nice swell thrown in) would look like.

Id imagine its calculated from Mean High Water Spring level, which is usually pretty similar to high tide (although some more savvy people out there may correct me)
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Re: Raise The Sea Levels On Google Earth

Postby Scaredy_Cat on Thu 19/Mar/09 2:41pm

My work and my home will be fine. :) I will, however, need an aquabike to get from one to the other :huh:
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