Navigation Links
Carbon sinks losing the battle with rising emissions
Date:3/17/2009

The stabilising influence that land and ocean carbon sinks have on rising carbon emissions is gradually weakening, scientists who attended the international Copenhagen Climate Change Conference."Forests, grasslands and oceans are absorbing carbon dioxide (CO2) from the atmosphere faster than ever but they are not keeping pace with rapidly rising emissions," says CSIRO scientist and co-Chair of the Global Carbon Project, Dr Mike Raupach.

"While these natural CO2 sinks are a huge buffer against climate change, which would occur about twice as fast without them, they cannot be taken for granted."

Dr Raupach and Swiss scientist, Dr Nicolas Gruber, co-Chaired one of 43 sessions at the conference Climate Change, Vulnerability of Carbon Sinks.

Dr Raupach says concern about the vulnerability of carbon sinks is based on identifying several mechanisms that could cause the present stabilising role of oceans and land to be weakened or even reversed."Such a change would have drastic consequences for the predicted magnitude or speed of climate change occurring and scientists will meet in Copenhagen to review and question the latest research from which advice can ultimately be provided to decision-makers."

Discussions will focus on:

Changes in the carbon sink on land through shifts in atmospheric composition, temperature and rainfall changes, deforestation, fire frequency and insect attacks, all of which can slow or reverse sinks or initiate sources of CO2 to the atmosphere.

Release of carbon presently locked in frozen soil, as both CO2 and methane (a more potent greenhouse gas than CO2).

Shifts in large-scale agricultural production of food and fibre, potentially speeding up land clearing and tropical deforestation. This process currently contributes 15-20 per cent of anthropogenic carbon emissions.

Findings on the exchange of heat and CO2 between the atmosphere and deep ocean, which suggest that climate change is effectively irreversible in less than 1000 years.

Australian science is represented at the conference in sessions on; sea ice, sea level rise, ocean circulation, atmosphere and ocean tipping points, carbon sequestration, carbon capture and storage, changing the way we live and adapting future agricultural production.


'/>"/>

Contact: Craig Macaulay
Craig.Macaulay@csiro.au
61-362-325-219
CSIRO Australia
Source:Eurekalert

Related biology news :

1. New study warns limited carbon market puts 20 percent of tropical forest at risk
2. Mice use specialized neurons to detect carbon dioxide in the air
3. Researchers find new taste in fruit flies: carbonated water
4. Studying component parts of living cells with carbon nanotube cellular probes
5. New membrane strips carbon dioxide from natural gas faster and better
6. Green alga genome project catalogs carbon capture machinery
7. Hungry microbes share out the carbon in the roots of plants
8. Decline in uptake of carbon emissions confirmed
9. Study reveals that nitrogen fertilizers deplete soil organic carbon
10. US fires release large amounts of carbon dioxide
11. Wildfire drives carbon levels in northern forests
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/30/2017)... -- Trends, opportunities and forecast in this market to ... AFIS, iris recognition, facial recognition, hand geometry, vein recognition, ... industry (government and law enforcement, commercial and retail, health ... and by region ( North America , ... , and the Rest of the World) ...
(Date:3/24/2017)... The Controller General of Immigration from Maldives Mr. Mohamed Anwar ... the prestigious international IAIR Award for the most innovative high security ePassport ... ... Maldives Immigration Controller General, Mr. ... on the right) have received the IAIR award for the "Most innovative ...
(Date:3/22/2017)...   Neurotechnology , a provider of high-precision ... the release of the SentiVeillance 6.0 ... recognition using up to 10 surveillance, security and ... new version uses deep neural-network-based facial detection and ... a Graphing Processing Unit (GPU) for enhanced speed. ...
Breaking Biology News(10 mins):
(Date:4/21/2017)... ... April 21, 2017 , ... The University of ... round funding to three startups through the UConn Innovation Fund. The $1.5 million ... startups affiliated with UConn. , The UConn Innovation Fund provides investments of up ...
(Date:4/21/2017)... ... April 21, 2017 , ... Frederick Innovative Technology ... of emerging bio and technology start-ups, is hosting “Celebration Friday” (a festive gathering ... will start with libations and networking at 3:30 p.m. at FITCI’s 4539 Metropolitan ...
(Date:4/20/2017)... ... April 20, 2017 , ... Assured Enterprises, Inc. ... a full spectrum of digital security goods and services. The strategic partners now ... ground-breaking proactive cybersecurity services and products through Assured Enterprises. The two companies provide ...
(Date:4/20/2017)... , ... April 20, 2017 , ... ... the scientific and clinical research community’s growing body of knowledge during its ... the Gracie Theatre and the adjacent Darling Atrium. During the event, undergraduates, graduate ...
Breaking Biology Technology: