Navigation Links
Termite killer lingers as a potent greenhouse gas
Date:3/10/2009

Sulfuryl fluoride (SO2F2), a gas commonly used to rid buildings of termites and other pests, is a greenhouse gas that remains in the atmosphere about 36 years, six to 10 times longer than previously thought, according to a research team led by Jens Mhle, an atmospheric chemist at Scripps Institution of Oceanography, UC San Diego.

The team found that the concentration of the gas rose at a rate of 4 to 6 percent per year between 1978 and 2007, to a global atmospheric abundance by the end of 2007 of about 1.5 parts per trillion. Its actual emissions into the atmosphere over this period were about one third less than estimated from industrial production data.

"It's extremely important to have independent verification of emissions," said Mhle. "You can't have regulation without verification, and you can't have verification without measurements."

The team will report the results of the first-ever measurements of SO2F2 in the Journal of Geophysical Research on March 12.

Mhle said he started detecting an unknown compound in air samples taken in early 2004 at the Scripps pier with a newly developed measurement instrument. He identified the compound as SO2F2 and concluded that the large fluctuations seen at the pier were likely related to the fumigation of local buildings. The team expanded the analysis to air samples routinely collected around the world at stations of the NASA-funded Advanced Global Atmospheric Gases Experiment (AGAGE) network and to old air samples archived in metal cylinders.

With the help of atmospheric computer models, the Scripps team and colleagues at the Massachusetts Institute of Technology (MIT) determined that the most important removal process of sulfuryl fluoride is dissolution into the ocean, where it is decomposed by chemical reactions. NOAA researchers working with the Scripps team calculated that one kilogram of SO2F2 emitted into the atmosphere has a global
'/>"/>

Contact: Rob Monroe or Mario Aguilera
scrippsnews@ucsd.edu
858-534-3624
University of California - San Diego
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Did termites help Katrina destroy New Orleans floodwalls?
2. Termite insecticide a potent greenhouse gas
3. Mixing large doses of both acetaminophen painkiller and caffeine may increase risk of liver damage
4. New hope for horse lovers as effective control for killer ragwort is proposed
5. Chemistry turns killer gas into potential cure
6. Killer freeze of 07 illustrates paradoxes of warming climate
7. Killer fungus spells disaster for wheat
8. Early exposure to common weed killer impairs amphibian development
9. Scripps Oceanography Research pegs ID of red tide killer
10. Ancient protein offers clues to killer condition
11. Killer whales, blind bats, discriminating dolphins, mating birds
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Termite killer lingers as a potent greenhouse gas
(Date:3/24/2015)... , Mar. 24, 2015 Research and Markets ... and Voice Biometrics - Global Strategic Business Report" report to ... Face and Voice Biometrics in US$ Thousands by the following Segments: ... for the US, Canada , Japan ... , Middle East & Africa ...
(Date:3/23/2015)... March 23, 2015  In the 2014 fiscal year, ... conviction losses. This figure accounts for a fraction of ... The Nilson Report, exceeds $11 billion globally. The polygraph ... a crime has occurred. Investor Mark Saint Juste ... Joe Paolella partnered to administer the test ...
(Date:3/20/2015)... 19, 2015 Research and Markets ( http://www.researchandmarkets.com/research/vkzvcs/iris_biometrics ... - Global Strategic Business Report" report to their offering. ... Biometrics in US$ Thousands. The report provides separate comprehensive analytics ... Japan , Europe , ... Latin America . Annual estimates ...
Breaking Biology News(10 mins):Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 2Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 3Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 4Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 5Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 6Polygraph Test Now Used to Protect Investors From Fraud 2Polygraph Test Now Used to Protect Investors From Fraud 3Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 2Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 3Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 4Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 5
... range northward because of climate change may be better at ... concludes a team of scientists including a University of Florida ... Nature , suggest that certain plants could become invasive ... for them. "This paper is the first to suggest ...
... Rice University scientists on the hunt for a better way ... method that lets them watch molecules break down on the ... and broken. "We can see the vibrations of the ... Wong. "By watching the way these vibrations change frequency and ...
... largest alliance on agricultural research will convene more than ... donor representatives in Maputo, Mozambique, on 1-2 December 2008 ... needs of the poor in Africa. , Four crises ... change, skyrocketing food prices, high energy costs and an ...
Cached Biology News:Climate change opens new avenue for spread of invasive plants 2Researchers shed new light on catalyzed reactions 2Researchers shed new light on catalyzed reactions 3Major conference on food Dec. 1-2, 2008 2
(Date:3/29/2015)... IRVING, Texas , March 29, 2015 ... presentation of study data in small cell ... profiling using Caris Molecular Intelligence®, the company,s ... of certain gene mutations which may explain ... Researchers found that identification of certain biomarkers ...
(Date:3/27/2015)... Earlier this year, the Capillus272Pro™ received ... in adult men and women with androgenic alopecia (AGA) ... of IIa-V and Fitzpatrick Classification of Skin phototypes I-IV. ... over-promise and under-deliver, FDA Clearance underscores the safety and ... more than 80 million men and women who suffer ...
(Date:3/27/2015)... Mich. , March 27, 2015  Neogen Corporation ... LLC, has adopted a prearranged trading plan in accordance ... Herbert , Chairman and CEO of Neogen Corporation, is ... of Neogen Corporation common stock. Herbert does ... disclosure was appropriate. The filing is only for a ...
(Date:3/27/2015)... 27, 2015 Working in collaboration with ... London , Richmond Pharmacology is the first ... 3 study for an investigational RNAi therapeutic being developed for ... the nerves and heart. Read press release ... Based at St Georges University of London ...
Breaking Biology Technology:Study Using Caris Molecular Intelligence Multiplatform Tumor Profiling Identifies Potential Treatment Strategies for Small Cell Cervical Cancer 2Study Using Caris Molecular Intelligence Multiplatform Tumor Profiling Identifies Potential Treatment Strategies for Small Cell Cervical Cancer 3Dr. Robert Leonard Applauds FDA Clearance of Capillus272Pro™ Hair Loss Laser Cap 2Neogen CEO adopts 10b5-1 Trading Plan 2
... wisely into search engine campaigns on Google , ... so wildly leads to ruin. , ,Managing a search engine ... portfolio: you want to save as much money as possible ... that are likely to achieve results. , , Stability ...
... Madison, Wis. - A University of Wisconsin-Madison ... return in the nation, according to BusinessWeek 's latest ... class of 2006 paid $186,800 for their MBAs and started ... even in four and a half years, not counting lost ...
... Madison, Wis. - Some of the world's ... pharmaceutical applications, and that comes as little surprise ... of information technology and biotech. , ,However, while ... sector - computers run the instruments for manufacturing ...
Cached Biology Technology:Risks and returns: Building a search engine marketing portfolio 2Risks and returns: Building a search engine marketing portfolio 3Risks and returns: Building a search engine marketing portfolio 4UW-Madison MBA program ranked among best for investment return 2Proceeding with caution at corner of IT & biotech 2Proceeding with caution at corner of IT & biotech 3Proceeding with caution at corner of IT & biotech 4
... • Enzyme concentration - 5 units/µL ... in higher yields ,• Leaves an 'A' ... DNA polymerase which exhibits very high activity ... applications. To ensure the quality of the ...
... GCpro Taq DNA Polymerase is a ... advantages for all PCR applications. GCpro Taq ... clone expressed in E. coli, containing the ... The enzyme includes a highly processive 5'-3' ...
A robust formulation of Taq Polymerase supplied with a 10X colored reaction buffer which allows Direct Gel-Loading...
... Reduce bench time to just 15 minutes! ... the paralles that can be drawn between this ... idea of instant foods. Instant meals consumed ... freeze-dried format and are reconstituted by adding water. ...
Biology Products: