An international team of researchers, including those from EMPA and the University of Bern, has come up with the method that uses ice cores from
Antarctica to more accurately measure average global ocean temperatures over the
past 24 Nike Odyssey React Pas Cher ,000 years, during which the transition from the last ice age occurred.
The layers of permanent ice in that region form an "archive of the atmosphere" that contains trapped bubbles of air and other gases known as noble
gases, including krypton, xenon and argon.
As cooling water absorbs noble gases from the atmosphere and warming water releases them, the concentration of noble gases in these ice core bubbles can
help scientists estimate the average temperature of the ocean at the time.
Using this method Nike Epic React Pas Cher , the researchers identified an increase of 2.6 degrees Celsius in average ocean temperature over a period of 10,000 years, which has
been published in the scientific journal Nature.
The team also believe that the method could in theory be useful for monitoring current temperature changes, and not just large-scale changes like
the shift from the last ice age to the current warm age.
That is important because as the global climate warms, most of the extra heat is absorbed by the oceans. Until now Nike Air Maestro II Pas Cher , measurements of average ocean temperature have been very complicated to produce and are often distorted by variations in location,
season, and ocean depth.
According to EMPA, the basic idea of using the connection between the concentration of noble gases in the atmosphere and the average ocean temperature
is correct and that the method works.
MANILA, Sept. 20 (Xinhua) -- Nine local communist rebels werekilled on Wednesday in an exchange of gunfire with governmentforces in northern
Philippines Nike Air Footscape Pas Cher , an army spokesman said.
Lt. Col. Isagani Nato, spokesman of the Armed Forces of thePhilippines' Northern Luzon Command, said a clash broke out betweenarmy troops and some 15
New People's Army (NPA) at around 7:25 a.m.local time in a village in Carranglan
town in Nueva Ecijaprovince.
NPA is the armed wing of the Communist Party of the Philippines,which was founded in 1968 and has been fighting a guerrilla waragainst the government ever
since.
Nato said an army soldier was also wounded in the right legduring the firefight that lasted more than two hours.
Military also recovered nine high-powered firearms, includingfive M-16 rifles Nike Flyknit Trainer Pas Cher , two M653 rifles, and AK-47, and an M-14 rifle,and eight backpacks containing the rebels' belongings.
"The villagers reported the presence of the rebels, promptingthe military to send army soldiers to the area Nike Air Force 270 Pas Cher ," Nato said.
Several Philippine administrations in past decades tried tonegotiate and reach a peace agreement with the leftist rebels butefforts remained fruitless.
Talks to end the communist insurgency hit a snag in July afterPresident Rodrigo Duterte suspended the peace talks after a seriesof NPA attacks.
Duterte, however, has recently hinted that he might revive thetalks. His spokesman, Ernesto Abella, said Duterte needs to consultfirst his security
cluster before making a decision to resume thetalks. Enditem
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