macdoc
10th January 2011, 02:10 PM
:roll: only mildly tongue in cheek .....this is the nastiest bit of news I've seen come along on the climate change front....
so time to have some speculative fun with what the university wonks say WILL be the case 9 centuries out regardless of the action on limiting C02 emissions.
This is NOT the place to debate causes and climate change ....it's to have some fun and maybe some tears envisioning what the changes will be in your city or your fav city with 4 meters added to the sea level.
With 2/3 of major cities near the coast..... well....
- kiss the world we know goodbye...there is no turning back short of actually extracting C02 from the atmosphere....
Climate change to continue to year 3000 in best case scenarios: research
January 9, 2011
New research indicates the impact of rising CO2 levels in the Earth's atmosphere will cause unstoppable effects to the climate for at least the next 1000 years, causing researchers to estimate a collapse of the West Antarctic ice sheet by the year 3000, and an eventual rise in the global sea level of at least four metres.
The study, to be published in the Jan. 9 Advanced Online Publication of the journal Nature Geoscience, is the first full climate model simulation to make predictions out to 1000 years from now. It is based on best-case, 'zero-emissions' scenarios constructed by a team of researchers from the Canadian Centre for Climate Modelling and Analysis (an Environment Canada research lab at the University of Victoria) and the University of Calgary.
"We created 'what if' scenarios," says Dr. Shawn Marshall, Canada Research Chair in Climate Change and University of Calgary geography professor.
"What if we completely stopped using fossil fuels and put no more CO2 in the atmosphere? How long would it then take to reverse current climate change trends and will things first become worse?" The research team explored zero-emissions scenarios beginning in 2010 and in 2100.
The Northern Hemisphere fares better than the south in the computer simulations, with patterns of climate change reversing within the 1000-year timeframe in places like Canada. At the same time parts of North Africa experience desertification as land dries out by up to 30 percent, and ocean warming of up to 5°C off of Antarctica is likely to trigger widespread collapse of the West Antarctic ice sheet, a region the size of the Canadian prairies.
Researchers hypothesize that one reason for the variability between the North and South is the slow movement of ocean water from the North Atlantic into the South Atlantic. "The global ocean and parts of the Southern Hemisphere have much more inertia, such that change occurs more slowly," says Marshall. "The inertia in intermediate and deep ocean currents driving into the Southern Atlantic means those oceans are only now beginning to warm as a result of CO2 emissions from the last century.
The simulation showed that warming will continue rather than stop or reverse on the 1000-year time scale."
continueshttp://www.physorg.com/news/2011-01-climate-year-case-scenarios.html
and how many hundreds of millions live near the coasts?
It turns out that two-thirds of world's largest cities — cities with more than five million people — are at least partially in these low areas. That's important, because people are increasingly moving to cities.http://www.npr.org/templates/story/s...toryId=9162438
That is NOT a long time span......the oldest building in Venice was built in 639 - 1300 plus years ago.
The next thousand will see it meters underwater as a diving site.....
Along with most of Manhattan, London et al
Now
a) we are not going to stop increasing the fossile CO2 emissions anytime soon so the time frame simply gets closer
b) the irony of the report coming out of oil sands Alberta is too delicious to ignore....
Welcome to the Anthropocene.....
and for lunch we will serving....
Lagoustine avec jelly fish...
Jellyfish are taking over the oceans: Population surge as rising acidity of world’s seas kills predators
Published 6 December 2010 Media coverage 1 Comment
Britain’s beaches could soon be inundated with records numbers of jellyfish, marine experts warned today.
Scientists say the number of jellyfish are on the rise thanks to the increasing acidity of the world’s oceans.
The warning comes in a new report into ocean acidification – an often overlooked side effect of burning fossil fuel.
Studies have shown that higher levels of carbon dioxide in the atmosphere doesn’t just trigger climate change but can make the oceans more acid.
Since the start of the industrial revolution, acidity levels of the oceans have gone up 30 per cent, marine biologists say.
http://oceanacidification.wordpress.com ... predators/ (http://oceanacidification.wordpress.com/2010/12/06/jellyfish-are-taking-over-the-oceans-population-surge-as-rising-acidity-of-worlds-seas-kills-predators/)Exotic food: Jellyfish
New Zealand Herald - Lincoln Tan - Amelia Wade - 3 hours ago
Miss Gan describes the texture of jellyfish as "crunchy". It is sweet and savoury and goes well with noodles or rice porridge. Exotic food enthusiast Eddie ...http://rationalia.com/forum/images/smilies/cheers.gif
So let your speculation run..since it IS coming,...what will your home town or fav cities be like 900 years out....with 4 meters of water added... http://rationalia.com/forum/images/smilies/grin.gif
so time to have some speculative fun with what the university wonks say WILL be the case 9 centuries out regardless of the action on limiting C02 emissions.
This is NOT the place to debate causes and climate change ....it's to have some fun and maybe some tears envisioning what the changes will be in your city or your fav city with 4 meters added to the sea level.
With 2/3 of major cities near the coast..... well....
- kiss the world we know goodbye...there is no turning back short of actually extracting C02 from the atmosphere....
Climate change to continue to year 3000 in best case scenarios: research
January 9, 2011
New research indicates the impact of rising CO2 levels in the Earth's atmosphere will cause unstoppable effects to the climate for at least the next 1000 years, causing researchers to estimate a collapse of the West Antarctic ice sheet by the year 3000, and an eventual rise in the global sea level of at least four metres.
The study, to be published in the Jan. 9 Advanced Online Publication of the journal Nature Geoscience, is the first full climate model simulation to make predictions out to 1000 years from now. It is based on best-case, 'zero-emissions' scenarios constructed by a team of researchers from the Canadian Centre for Climate Modelling and Analysis (an Environment Canada research lab at the University of Victoria) and the University of Calgary.
"We created 'what if' scenarios," says Dr. Shawn Marshall, Canada Research Chair in Climate Change and University of Calgary geography professor.
"What if we completely stopped using fossil fuels and put no more CO2 in the atmosphere? How long would it then take to reverse current climate change trends and will things first become worse?" The research team explored zero-emissions scenarios beginning in 2010 and in 2100.
The Northern Hemisphere fares better than the south in the computer simulations, with patterns of climate change reversing within the 1000-year timeframe in places like Canada. At the same time parts of North Africa experience desertification as land dries out by up to 30 percent, and ocean warming of up to 5°C off of Antarctica is likely to trigger widespread collapse of the West Antarctic ice sheet, a region the size of the Canadian prairies.
Researchers hypothesize that one reason for the variability between the North and South is the slow movement of ocean water from the North Atlantic into the South Atlantic. "The global ocean and parts of the Southern Hemisphere have much more inertia, such that change occurs more slowly," says Marshall. "The inertia in intermediate and deep ocean currents driving into the Southern Atlantic means those oceans are only now beginning to warm as a result of CO2 emissions from the last century.
The simulation showed that warming will continue rather than stop or reverse on the 1000-year time scale."
continueshttp://www.physorg.com/news/2011-01-climate-year-case-scenarios.html
and how many hundreds of millions live near the coasts?
It turns out that two-thirds of world's largest cities — cities with more than five million people — are at least partially in these low areas. That's important, because people are increasingly moving to cities.http://www.npr.org/templates/story/s...toryId=9162438
That is NOT a long time span......the oldest building in Venice was built in 639 - 1300 plus years ago.
The next thousand will see it meters underwater as a diving site.....
Along with most of Manhattan, London et al
Now
a) we are not going to stop increasing the fossile CO2 emissions anytime soon so the time frame simply gets closer
b) the irony of the report coming out of oil sands Alberta is too delicious to ignore....
Welcome to the Anthropocene.....
and for lunch we will serving....
Lagoustine avec jelly fish...
Jellyfish are taking over the oceans: Population surge as rising acidity of world’s seas kills predators
Published 6 December 2010 Media coverage 1 Comment
Britain’s beaches could soon be inundated with records numbers of jellyfish, marine experts warned today.
Scientists say the number of jellyfish are on the rise thanks to the increasing acidity of the world’s oceans.
The warning comes in a new report into ocean acidification – an often overlooked side effect of burning fossil fuel.
Studies have shown that higher levels of carbon dioxide in the atmosphere doesn’t just trigger climate change but can make the oceans more acid.
Since the start of the industrial revolution, acidity levels of the oceans have gone up 30 per cent, marine biologists say.
http://oceanacidification.wordpress.com ... predators/ (http://oceanacidification.wordpress.com/2010/12/06/jellyfish-are-taking-over-the-oceans-population-surge-as-rising-acidity-of-worlds-seas-kills-predators/)Exotic food: Jellyfish
New Zealand Herald - Lincoln Tan - Amelia Wade - 3 hours ago
Miss Gan describes the texture of jellyfish as "crunchy". It is sweet and savoury and goes well with noodles or rice porridge. Exotic food enthusiast Eddie ...http://rationalia.com/forum/images/smilies/cheers.gif
So let your speculation run..since it IS coming,...what will your home town or fav cities be like 900 years out....with 4 meters of water added... http://rationalia.com/forum/images/smilies/grin.gif