• Sweden edition
 
Lakes emit greenhouse gases: Swedish scientist

Lakes emit greenhouse gases: Swedish scientist

Published: 07 Jan 2011 11:03 GMT+01:00
Updated: 07 Jan 2011 11:03 GMT+01:00

Greenhouse gas emissions from inland waters are greater than previously thought, a Swedish-led study has found.

As a result, nature's ability to absorb human emissions may be overstated, according to a study published in the journal Science.

"In the debate, one often hears that the natural sinks can offset human fossil fuel emissions. Our results show that one cannot rely on it fully," said Professor David Bastviken of Linköping University, who led the study.

Inland waters, including lakes, reservoirs, streams and rivers, are often substantial methane sources in the terrestrial landscape. However, they are not yet well integrated in global greenhouse gas budgets, wrote Bastviken.

Data from 474 freshwater ecosystems and the most recent global water area estimates indicate that methane emissions from freshwaters correspond to 25 percent of all carbon dioxide, the study found.

Forests act as sinks, absorbing carbon dioxide emitted into the air and improving the greenhouse balance. The study concluded that freshwaters must be recognised as an important part of the global carbon cycle.

Bastviken worked with a team that included members from Uppsala University, Stockholm University and institutions in the US and Brazil. They measured how much methane gas was emitted from lakes, ponds and streams.

The researchers found that nature not only binds greenhouse gases, it also emits gases in the form of bubbles with methane from the water. As such, the measurements show that nature cannot absorb the same amount of gases that were previously estimated.

According to Bastviken, the volume of emissions is probably even greater than the estimates the researchers collected because methane bubbles are difficult to capture.

"Water environments are no environmental threat. We just have not taken account of them before. The conclusion is that the sinks we still have are very important," he explained.

TT/The Local/vt (news@thelocal.se)

Don't miss...X
Left Right

Your comments about this article

16:33 January 7, 2011 by tadchem
All life emits 'greenhouse gases.' CO2 is a necessary nutrient for plants, and methane is a natural product of plant decomposition. The characterization of biomass as 'sinks' for GHGs is misleading. All biomass is mortal, and the death of any plant or anima necessarily leads to the recycling of CO2 and methane via the atmosphere. Efforts to permanently trap these carbon compounds underground can only lead to the carbon starvation of all life on earth.

The physics of GHGs used by the IPCC is flawed. these substances are not heat sources. The sunlight trapped by GHGs heats the air directly, while the sunlight which is not trapped by them heats the ground below, which in turn heats the air INdirectly. Either way, it's the sun that heats the air.
16:43 January 7, 2011 by Swedesmith
When I eat cabbage, I emit greenhouse gasses, too.
17:10 January 7, 2011 by MarshaLynn
Wow, the foolishness just keeps going and going and going. No proof whatsoever that man is harming the environment to the extent that we should all be worried about impending doom. No proof at all that it is not just a natural cycle of the earth and sun. Yet people buy into this garbage wholesale -- mostly progressives and socialists, of course. What is it with the progressive mentality that believes this stuff? Our EPA in America is declaring CO2 a pollutant. How ridiculous can anything be? It's absurd. Yes, let's clean up the atmosphere. No one likes that ugly brown haze over cities. Let's not litter. Let's recycle. A little common sense goes a long way. But there is nothing sensible about this loony the-sky-is-falling-and-we're-all-going-to-die mentality. If you believe in it, check your facts; and check your scientists, because there has been outright fraud in this issue.
18:58 January 7, 2011 by coot
Nobody has ever claimed that these substances are heat sources. When the sunlight falls on the ground, it heats the ground. The ground then radiates in the infrared at a wavelength where the greenhouse gases are not as transparent.

That is:

- in visible light, air is very transparent

- in infrared, it is less transparaent

- with a higher concentration of greenhouse gases, it is even less transparent in the infrared.

That is why it is called the "greenhouse effect". When you are in a greenhouse, the light comes in through the windows but the heat does not escape.
19:59 January 7, 2011 by anticommie
Sweden should drain all its inland lakes to save the globe.
21:19 January 7, 2011 by Da Goat
methane emissions from freshwaters correspond to 25 percent of all carbon dioxide, the study found. LOL

I just love that statement classic!

Truth is nature is the biggest polluter when it comes to greenhouse gases

it is both the biggest sink and biggest source, the thought that us puny humans have a stake or impact is simply ludicrous!

the whole climate change thing is somewhere between a beat-up and a hoax, don't be sucked in!

there may be too many of us, but we are still small fish in a big pond, the sky and the sea are rather big places (and we live in neither, barely visit them)
21:50 January 7, 2011 by xmfclick
Typical bl**dy warmist-alarmist the-sky-is-falling b*ll*cks. Read the headline: "Lakes are emitting more greenhouse gases than we thought they were". Immediate reaction: "Great, this is good news -- if lakes are emitting more than we thought, then other things must be emitting less". Or, at the very least, any man-made emissions are *even less than* the tiny amount that we thought they were. But oh no, the warmist-alarmist "climate scientists" find a way to spin it so that it's bad news. We're all dooooooooooomed unless we give them more money to do more research, and stick a windmill in everybody's back garden. Pass the sick-bag!
01:21 January 8, 2011 by anticommie
Humans contribute 4% of green house gases. Globull whinners are farking morons that should be ignored or beaten for being the tards they are.
03:47 January 8, 2011 by BigBilly
@ anticommie ditto
04:12 January 8, 2011 by beefinswede
it seems flat earth science denying cretins read the local as well, how depressing
04:25 January 8, 2011 by Wireless.Phil
Note the date (1974) on this two page article from TIME.

Another Ice Age?

Monday, Jun. 24, 1974

"~when meteorologists take an average of temperatures around the globe they find that the atmosphere has been growing gradually cooler for the past three decades. " The trend shows no indication of reversing. Climatological Cassandras are becoming increasingly apprehensive, for the weather aberrations they are studying may be the harbinger of another ice age.

http://www.time.com/time/magazine/article/0,9171,944914,00.html
05:31 January 8, 2011 by anticommie
Maybe you should do a little research on the use of flat earthers, its as false as globull warming. But left wingers love to use fear and hate to push their agendas.
06:31 January 8, 2011 by Token Gimp
I live in Minnesota, I guess all those gases are what keep it so warm here in the winter.

Gee, with all that ice covering the water and containing all the gas, the lake water must really heat up too which explains why it melts by spring.
17:10 January 8, 2011 by johnny1939
The sky is falling, the sky is falling.........
Today's headlines
Police seeking missing Swede in London
Sofie Marie Jansson, who is currently missing in London. Photo: Metropolitan Police

Police seeking missing Swede in London

British police have issued a plea for tips in the search to find Swedish national Sofie Marie Jansson who hasn't been seen for almost a week. READ () »

University applications rocket to record high

University applications rocket to record high

Swedish universities continue to draw vast amounts of applicants with the number of prospective students seeking a third level education increasing for the seventh year in a row. READ () »

Man jailed in US over Lars Vilks murder plot
Swedish artist Lars Vilks pictured in New York in 2012. Photo: Linus Sundahl-Djerf/TT

Man jailed in US over Lars Vilks murder plot

American authorities have sentenced a 20-year-old accomplice of 'Jihad Jane' to five years in prison for an attempted terror plot to kill Swedish artist Lars Vilks, after getting involved with the murder plans when he was a teenager. READ () »

Sweden scraps 'new start zones' after EU input
Integration Minister Erik Ullenhag visits a school in Tensta, one of the neighbourhoods mentioned when he and his colleagues first floated the new start zone proposal. File: TT

Sweden scraps 'new start zones' after EU input

Sweden has abandoned a plan to ease taxes for small companies in blighted areas after the European Commission challenged its legality. READ () »

'Easter eggs an invitation to spread germs'
A typical Swedish Easter egg. Photo: Jessica Gow/TT

'Easter eggs an invitation to spread germs'

A Swedish microbiologist has warned that traditional Swedish Easter eggs laden with candy are an open invitation to the spread of bacteria and viruses. "Is this really a good idea?" he asked. READ () »

Jammed truck snarls Stockholm rush hour
Photo: Anders Wiklund/TT

Jammed truck snarls Stockholm rush hour

PICTURES: A truck got wedged inside a tunnel in central Stockholm on Thursday, with authorities concerned the accident may have damaged cables in the tunnel's ceiling. READ () »

Kids in Victorian garb mark Swedish Easter
A Swedish Easter witch holding daffodils. File photo: TT

Kids in Victorian garb mark Swedish Easter

In India, I'd notice Easter only from the traffic jam outside the churches, but here witches, egg hunts, and feathers mark the Christian holiday. The Local's Deepti Vashisht brings you the various shades of Swedish Easter. READ () »

Swedish MP ordered chemtrail probe
Chemtrails?: Shutterstock.

Swedish MP ordered chemtrail probe

A Swedish MP who launched an official government investigation into the existence of chemtrails tells The Local why he thinks Swedes deserve the truth, even if it may leave some conspiracy theorists unsatisfied. READ () »

PM pleads ignorance of Vattenfall's Nuon bid
Fredrik Reinfeldt answers the constitutional affairs committee's questions. Photo: TT

PM pleads ignorance of Vattenfall's Nuon bid

Sweden's prime minister on Thursday said Vattenfall itself, not its owners the Swedish state, had responsibility for the loss-making Nuon deal. READ () »

'Kockums submarine raid may be illegal': lawyer
Photo: TT

'Kockums submarine raid may be illegal': lawyer

A Swedish lawyer says the Swedish military may have broken the law when it raided the Malmö premises of German defence giant Thyssen Krupp. READ () »

RECEIVE OUR NEWSLETTER AND ALERTS
Society
Swedish supermarket Ica pulls contested Easter commercial off air
Kungahuset
Society
Swedish royals set baptism date for princess
finest.se
Gallery
People-watching April 16
Politics
Who's the prime minister's heir?
Alfie Atkins
Society
Are children's books the key to families integrating in Sweden?
National
'Sweden Dem protests cater to party's martyr image'
National
'Swedish research grants were fantastic, but now it's like Australia'
Society
Only in Sweden: The ten problems you'd never encounter elsewhere
National
Swedes stopped to take my picture, but didn't look me in the eyes
Business & Money
A swipe of the hand replaced cash and cards in Lund
YouTube
Features
Video: Oliver Gee finds out how to embrace The Swedish Hug
TT
National
Abba duo hints at reunion
Advertisement:
Private
National
Flash mobs hug it out across Sweden
Finest.se
Gallery
People-watching April 11-13
TT
Politics
Swedes to give six-hour workday a go
TT
Society
Aussie choir member wows Abba in Sweden
YouTube
Society
Stockholm magic a surprise YouTube hit
Fastighetsbyrån
Society
Gallery: The Local's Property of the Week
Private
Society
Swedes find 200-year-old gravestone in living room
Stockholm School of Economics
Sponsored Article
Why a bachelor's degree is no longer enough
Deepti Vashisht
Features
Deepti Vashisht dissects the magic of Sweden's personal ID number
Shutterstock
Society
Ten signs you've been in Sweden too long
Society
Jimi Fritze heard every word when doctors discussed taking his organs
Society
A Swedish farmer explains why the new bestiality ban is 'pointless'
ESL
Sponsored Article
Learning Swedish the easy way
Latest news from The Local in Switzerland

More news from Switzerland at thelocal.ch

Latest news from The Local in Germany

More news from Germany at thelocal.de

Latest news from The Local in Spain

More news from Spain at thelocal.es

Latest news from The Local in France

More news from France at thelocal.fr

Latest news from The Local in Italy

More news from Italy at thelocal.it

Latest news from The Local in Norway

More news from Norway at thelocal.no

Blog Update: The Diplomatic Dispatch

28 October 15:16

The Green Growth Group Summit »

"Today on the 28 October in Brussels, a large group of key EU Ministers and business people, including UK Secretary of State for Energy and Climate Change Edward Davey, and Swedish Environment Minister Lena Ek, will meet to discuss green growth. They all have a stake in resolving a challenge which, although it is crucial..." READ »

771
jobs available
Swedish Down Town Consulting & Productions
Swedish Down Town Consulting & Productions is an innovative business company which provides valuable assistance with the Swedish Authorities, Swedish language practice and general communications. Call 073-100 47 81 or visit:
www.swedishdowntown.com