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nitrogen isotope

This tag is associated with 2 posts

Evidence of the Ocean Releasing CO2

Starting 8,000 years ago, a modest but unusual rise in atmospheric CO2 has kept our planet livable and paved the way for ancient human innovations. Why atmospheric CO2 rose is still unclear, but geochemist Anja Studer and her colleagues provide new evidence suggesting that the ocean might be responsible. Julia DohnerJulia is a PhD student […]

Ironing Out the Details of the Last Ice Age

“Give me a half tanker of iron and I will give you an ice age!”, as was once said by Dr. John Martin, simplistically describes the iron hypothesis. This concept suggests that additions of iron to the ocean can ramp up biological productivity and account for some of the decreasing atmospheric carbon dioxide concentrations during […]

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