Navigation Links
Carbon dioxide controls Earth's temperature
Date:10/14/2010

NEW YORK -- Water vapor and clouds are the major contributors to Earth's greenhouse effect, but a new atmosphere-ocean climate modeling study shows that the planet's temperature ultimately depends on the atmospheric level of carbon dioxide.

The study, conducted by Andrew Lacis and colleagues at NASA's Goddard Institute for Space Studies (GISS) in New York, examined the nature of Earth's greenhouse effect and clarified the role that greenhouse gases and clouds play in absorbing outgoing infrared radiation. Notably, the team identified non-condensing greenhouse gases -- such as carbon dioxide, methane, nitrous oxide, ozone, and chlorofluorocarbons -- as providing the core support for the terrestrial greenhouse effect.

Without non-condensing greenhouse gases, water vapor and clouds would be unable to provide the feedback mechanisms that amplify the greenhouse effect. The study's results will be published Friday, Oct. 15 in Science.

A companion study led by GISS co-author Gavin Schmidt that has been accepted for publication in the Journal of Geophysical Research shows that carbon dioxide accounts for about 20 percent of the greenhouse effect, water vapor and clouds together account for 75 percent, and minor gases and aerosols make up the remaining five percent. However, it is the 25 percent non-condensing greenhouse gas component, which includes carbon dioxide, that is the key factor in sustaining Earth's greenhouse effect. By this accounting, carbon dioxide is responsible for 80 percent of the radiative forcing that sustains the Earth's greenhouse effect.

The climate forcing experiment described in Science was simple in design and concept -- all of the non-condensing greenhouse gases and aerosols were zeroed out, and the global climate model was run forward in time to see what would happen to the greenhouse effect.

Without the sustaining support by the non-condensing greenhouse gases, Earth's greenhouse effect colla
'/>"/>

Contact: Kathryn Hansen
kathryn.h.hansen@nasa.gov
301-614-5883
NASA/Goddard Space Flight Center
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Carbon nanostructures form the future of electronics and optoelectronics
2. Growth in the global carbon budget
3. Carbon sinks: Issues, markets, policy
4. Carbon dioxide scrubber captures greenhouse gases
5. UNC study on properties of carbon nanotubes, water could have wide-ranging implications
6. Study: Tropical wetlands hold more carbon than temperate marshes
7. Diatom genome helps explain success in trapping excess carbon in oceans
8. Earthworm activity can alter forests carbon-carrying capabilities
9. Global warming predicted to hasten carbon release from peat bogs
10. Revised theory suggests carbon dioxide levels already in danger zone
11. Engineer to present leak-proof method for carbon dioxide storage at international conference
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/11/2014)... of kidney injury related to the use of hydroxyethyl ... HES molecules, according to a report in Anesthesia ... Research Society (IARS). , The "total mass of HES ... human renal proximal tubule cells (PTCs), concludes the laboratory ... Hospital Wrzburg, Austria. Other factorssuch as differences in ...
(Date:7/11/2014)... normal circumstances, astrocytes participate in normal physiological ... exhibit therapeutic and repairing effects on brain ... found that nerve cells differentiated from adipose-derived ... viability, which produces influences on subsequent studies ... Hospital, Hebei United University, China demonstrated that ...
(Date:7/11/2014)... to study the proteins that let nerve cells send ... stumbled upon a biological tactic that may offer a ... a safe and environmentally responsible way. , Their ... one species and harmless for a closely related onesuggests ... without harming beneficial species like bees. A summary of ...
Breaking Biology News(10 mins):In lab studies, hydroxyethyl starch has direct harmful effects on kidney cells 2Potent spider toxin 'electrocutes' German, not American, cockroaches 2Potent spider toxin 'electrocutes' German, not American, cockroaches 3
... in the world to have survived exposure to the vacuum ... Ingemar Jnsson, a researcher at Kristianstad University in Sweden. ... Jnsson had some 3,000 microscopic water bears sent up on ... project, which was supported by the European Space Agency, was ...
... September, in the context of France,s presidency of the ... at the Grand Palais. The GMES (Global Monitoring ... to provide services relating to the environment, climate change, ... on data - mainly Earth observation data - from ...
... clear skies and smooth sailing for oceanic vessels has ... to air pollution and greenhouse gas emissions that impact ... James Winebrake and James Corbett examines "Emission Tradeoffs among ... Oil, Marine Gas Oil, and Marine Diesel Oil," in ...
Cached Biology News:Major European program for the environment under the spotlight in Lille, France 2Fuel emissions from marine vessels remain a global concern 2
(Date:7/11/2014)... SEATTLE , July 11, 2014  Researchers ... navigate three-dimensional images. The new technology, called Virtual ... of small structures like neurons and synapses using ... Finger,s unique technology makes 3D imaging studies orders ... resources at an unprecedented level across many areas ...
(Date:7/10/2014)... Canada (PRWEB) July 10, 2014 ... present in very low abundance and are often ... challenging and time-consuming. , Join presenters Dr. Rowel ... and Dr. John Anders, Head of Quality at ... spectrometer-based approach that can speed detection and quantitation ...
(Date:7/10/2014)... 10, 2014 Terascala, the industry leader ... Alan Swahn, a former vice president of product management ... vice president of marketing. Terascala’s software when combined with ... create the highest performance and most reliable solutions for ... guide Terascala’s channel expansion and broaden its product portfolio. ...
(Date:7/10/2014)... 2014 OMICS Group’s 5th International conference ... August, 2014 at Double Tree by Hilton Beijing, China ... in Analytical & Bioanalytical research methods only to facilitate ... this occasion, Dr. Srinubabu Gedela, MD of OMICS Group ... a remarkable one in bringing a unique and international ...
Breaking Biology Technology:Virtual Finger Enables Scientists To Navigate And Analyze 3D Images Of Complex Biological Structures 2Virtual Finger Enables Scientists To Navigate And Analyze 3D Images Of Complex Biological Structures 3Novel Ms Techniques Speed Detection of Biopharmaceutical Product and Process Impurities, New Webinar Hosted by Xtalks 2Terascala Expands Executive Team 2Terascala Expands Executive Team 3A Critical Review of Analytical Techniques for Improved Living Standards 2A Critical Review of Analytical Techniques for Improved Living Standards 3A Critical Review of Analytical Techniques for Improved Living Standards 4
... Optimer Pharmaceuticals, Inc. (Nasdaq: OPTR ) today ... Genuity Annual Growth Conference on August 10, 2011 at ... Boston. (Logo:   http://photos.prnewswire.com/prnh/20090413/LA97352LOGO ) ... accessible in the Investors section of the Company,s website ...
... of bacteria in hospitals is increasing. Bacteria acquire resistance ... incorporating new genes, either from the surrounding environment or ... Portuguese CBA research (University of Lisbon) and the Instituto ... mechanisms of resistance are playing out in the bacterium ...
... tiny hair-like structures that perform feats such as clearing ... location of organs during development, move in mysterious ways. ... similar in appearance to "the wave" created in large ... a pattern of movement around the entire stadium. ...
Cached Biology Technology:Bacterial resistance to antibiotics: The more they resist, the more they divide 2Brandeis lab's artificial cilia spur new thinking in nanotechnology 2
... The mini incubation trays ... used to screen antigens that ... membrane. Each tray has eight ... channels that accommodate strips cut ...
... analysis and experiment control software. Records ... on-line and off-line analysis. powerful stimulus ... language allowing the user to customize ... Applications range from basic data logging ...
... • Small design specifically for western ... ,Trays are specifically designed for staining western ... x 25 mm) of the disposable tray ... a significant cost savings to the user. ...
... a direct antibiotic-based selection ... Recombinant selection depends solely ... the need for costly ... and inexpensive process provides ...
Biology Products: