Feeds

NSF launches oceanic zest test

Buoy to monitor CO2 absorption

SANS - Survey on application security programs

The first ever system designed specifically to measure the acid levels in the oceans was launched this week. The project, funded by the US's National Science Foundation (NSF), aims to determine how much CO2 the Pacific Ocean absorbs each year.

Steven Emerson of the University of Washington, the project's lead scientist, commented: "This is the first system specifically designed to monitor ocean acidification. The instruments will measure the air-sea exchange of carbon dioxide, oxygen, and nitrogen gas in addition to the pH, a measure of ocean acidity, of the surface waters."

A ten-foot diameter buoy carrying all the instruments is now anchored in water nearly 5,000 metres deep in the Gulf of Alaska. According to the NSF, as soon as it hit water, the buoy started transmitting data via satellite.

Seas become more acidic as they absorb carbon dioxide. The interest in oceanic pH lies partly in the fact that an increase in their acidity, or fall in pH, suggests an increase in the levels of these gases in the atmosphere. But the pH of the oceans is also vital to the health of marine life, and scientists see acidification as a growing threat to the health of our marine systems.

In 2005, the Royal Society (RS) reported that evidence indicated the overall pH of the oceans' surface had fallen by 0.1 units over the last 200 years as they have absorbed around half of all man-made CO2 emissions. The pH could fall a further 0.5 units by 2100, the RS said.

The phenomenon is also essentially irreversible in our lifetimes. The Royal Society says it will take tens of thousands of years for the oceans to return to their pre-industrial state.

Fred Lipschultz, programme director in NSF's division of ocean sciences, said: "Information from this buoy will lead to a better understanding of ocean acidification by helping scientists determine exactly how physical and biological processes affect carbon dioxide in the north Pacific Ocean."

Last month, scientists at the British Antarctic Survey voiced concerns that the southern ocean is reaching saturation point, and reported a recent release of stored CO2. ®

3 Big data security analytics techniques

More from The Register

next story
Most Americans doubt Big Bang, not too sure about evolution, climate change – survey
Science no match for religion, politics, business interests
KILLER SPONGES menacing California coastline
Surfers are safe, crustaceans less so
Discovery time for 200m WONDER MATERIALS shaved from 4 MILLENNIA... to 4 years
Alloy, Alloy: Boffins in speed-classification breakthrough
LOHAN and the amazing technicolor spaceplane
Our Vulture 2 livery is wrapped, and it's les noix du mutt
Liftoff! SpaceX Falcon 9 lifts Dragon on third resupply mission to ISS
SpaceX snaps smartly into one-second launch window
STEALTHY NANOROBOTS dress up as viruses, prepare to sneak into YOUR BODY
Cloaking techniques nicked from viruses tackle roadblocks on way to medical frontier
Elon Musk's LEAKY THRUSTER gas stalls Space Station supply run
Helium seeps from Falcon 9 first stage, delays new legs for NASA robonaut
prev story

Whitepapers

Mobile application security study
Download this report to see the alarming realities regarding the sheer number of applications vulnerable to attack, as well as the most common and easily addressable vulnerability errors.
3 Big data security analytics techniques
Applying these Big Data security analytics techniques can help you make your business safer by detecting attacks early, before significant damage is done.
The benefits of software based PBX
Why you should break free from your proprietary PBX and how to leverage your existing server hardware.
Securing web applications made simple and scalable
In this whitepaper learn how automated security testing can provide a simple and scalable way to protect your web applications.
Combat fraud and increase customer satisfaction
Based on their experience using HP ArcSight Enterprise Security Manager for IT security operations, Finansbank moved to HP ArcSight ESM for fraud management.