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Southern Ocean iron cycle provides new insight into climate change

Last Updated: Tuesday, March 18, 2014, 10:52

Researchers have found that deep winter mixing, a seasonal process which carries colder and deeper, nutrient-rich water to the surface, plays very crucial role in transporting iron to the surface.

Charcoal from wildfires pouring copiously into oceans via rivers

Last Updated: Saturday, April 20, 2013, 16:03

Wild fires not only destroy millions of trees each year but the residue is transported to the sea by rivers which penetrates the carbon cycle, a recent study has revealed.

Alaskan ice reveals human impact on global carbon cycle

Last Updated: Tuesday, February 21, 2012, 12:42

Glacial ice has provided scientists new clues as to how the Earth’s remote ecosystems have been influenced by industrial revolution.

Photosynthesis `faster than thought`

Last Updated: Friday, September 30, 2011, 12:41

Scientists have estimated that the global rate of photosynthesis - the chemical process governing how ocean and land plants absorb and release carbon dioxide - is occurring 25 percent faster than earlier thought.

`Twilight` microbes that capture carbon discovered

Last Updated: Friday, September 02, 2011, 22:34

Mysterious organisms in the dark depths of the ocean are converting carbon dioxide into a form useful for life.