British team trek to measure CO2 in Arctic Ocean

Three British explorers set out on a skiing expedition on Monday across 500 kilometers (310 miles) of floating sea ice to investigate rising acid levels in the Arctic Ocean that threaten marine life.

The team led by polar explorer Ann Daniels headed northward from a remote staging area in Canada’s far north to collect data and samples for the Catlin Arctic Survey, an international scientific mission.

Over the next two months, they are to haul sledges weighing up to 120 kilograms (264 pounds) over pressure ridges and rubble fields, and swim across leads of open water, as wind chills push temperatures down to minus 75 Celsius (minus 103 Fahrenheit).

Eventually, they will meet up with other scientists who will fly ahead to an “ice base.”

Results from the expedition will be made available to scientists in Europe, Canada and the United States.

“The expedition focus is on ocean acidification which some scientists describe as the Earth’s ‘other carbon dioxide problem,'” said Daniels in a statement.

Although most international attention has focused on the effects of carbon dioxide emissions in pushing up temperatures, scientists believe dangerous levels of ocean acidity are a problem that also needs exploring.

AFP, 16 March 2010. Full article.

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