Study: Greenhouse Gas Emissions Have Caused Irreversible Effects on Sea-Level Rise
October 2, 2012 7:47 PM
comment(s) - last by
Emissions up until this point have ensured an irreversible sea-level rise of 1.1 meters by the year 3000
A new study has found that it's too late to reverse the
effects that greenhouse gas emissions will have
on sea levels over the next thousand years -- but we could lessen the impact of these effects if proper changes are made.
According to research by scientists at Vrije Universiteit Brussel, Manchester Metropolitan University and the Universit
é catholique de Louvain, greenhouse gas emissions produced up to this point has ensured an irreversible sea-level rise of 1.1 meters by the year 3000. This number could increase, they warn, if no action is taken to reduce these levels -- and the effects could extend into thousands of years into the future.
The research team came to this conclusion by modeling sea-level changes over thousands of years while including all of our planet's ice sheets and warming of the oceans into its projections. This includes glaciers, ice caps and the Greenland and Antarctic ice sheets. The team said this has never been done before.
Using a climate modeling system called LOVECLIM, the team analyzed several scenarios over the next thousand years. It found that there will be a sea-level rise of at least 1.1 meters by the year 3000, but if other certain emissions scenarios were followed, it could increase to 2.1, 4.1 or even 6.8 meters.
The study also found that the Greenland ice sheet was the cause of over half of the sea-level rises while thermal expansion of the ocean came in second place and glaciers/ice came in third.
"Ice sheets are very slow components in the climate system; they respond on time scales of thousands of years," said Professor Philippe Huybrechts, co-author of the study. "Together with the
long lifetime of greenhouse gases in the atmosphere
, this inertia is the real poison on the climate system; anything we do now that changes the forcing in the climate system will necessarily have long consequences for the ice sheets and sea level.
"Ultimately, the current polar ice sheets store about 65 metres of equivalent sea level and if climatic warming will be severe and long-lasting, all ice will eventually melt. Mankind should limit the concentration of greenhouse gases at the lowest possible level as soon as possible. The only realistic option is a drastic reduction of the emissions. The lower the ultimate warming will be, the less severe the ultimate consequences will be."
This study was published in
Environmental Research Letters
This article is over a month old, voting and posting comments is disabled
10/3/2012 11:13:28 AM
Never recover? Good god, you don't understand at all do you? Our environment is changing. With or without us many species die off and develop almost on an annual basis. Most of this happens at the microscopic level so you never even notice. The point, however, is that nothing is EVER recoverable.
Is the planet warming? Yes.
Is there evidence that human influence is accelerating that (solar output accounts for more)? Equivocally, yes.
Does that mean we're "destroying the planet"? No.
Does that mean we could make the planet's environment hostile to humanity's needs? Yes.
At very worst, we'll kill off ourselves. Life will continue. All species die off in their own time, usually around ~10 million years, according to fossil record. More will take their place. Everything changes.
10/3/2012 1:19:04 PM
Great points. I wish I could vote you up, but I already made a post and you said many things I was trying to say.
10/3/2012 1:51:59 PM
This. A thousand times this. Pretty much sums up my whole viewpoint on "climate change". Everybody needs to just accept the bigger picture and move on.
"Young lady, in this house we obey the laws of thermodynamics!" -- Homer Simpson
NASA: Hotter Summers Since 1980 Caused by Global Warming
August 7, 2012, 1:21 PM
Global Warming Impact on Human/Mammal Health by 2100 Predicted
July 2, 2012, 8:46 PM
Creationists are Mad About Google Doodle Depicting Evolution
November 24, 2015, 8:48 PM
DHS and TSA: Whoops, We Missed That 73 Airport Employees May be Terrorists
November 19, 2015, 2:16 PM
Star Wars Spinoff Film "Rogue One", Theme Park Attractions Announced
August 17, 2015, 12:20 PM
SpaceX Falcon 9's Seventh Supply Mission to ISS Ends w/ Fiery Stage 1 Explosion
June 28, 2015, 1:10 PM
Cool Science Video: Glowing Millipede Prowls the Nevada Desert
May 18, 2015, 12:00 PM
Newly Discovered Costa Rican Glass Frog is Kermit's Doppelgänger
April 22, 2015, 11:26 AM
Latest Blog Posts
Sceptre Airs 27", 120 Hz. 1080p Monitor/HDTV w/ 5 ms Response Time for $220
Dec 3, 2014, 10:32 PM
Costco Gives Employees Thanksgiving Off; Wal-Mart Leads "Black Thursday" Charge
Oct 29, 2014, 9:57 PM
"Bear Selfies" Fad Could Turn Deadly, Warn Nevada Wildlife Officials
Oct 28, 2014, 12:00 PM
The Surface Mini That Was Never Released Gets "Hands On" Treatment
Sep 26, 2014, 8:22 AM
ISIS Imposes Ban on Teaching Evolution in Iraq
Sep 17, 2014, 5:22 PM
More Blog Posts
Copyright 2016 DailyTech LLC. -
Terms, Conditions & Privacy Information