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Ocean Chemistry


To Fertilize, or Not to Fertilize

To Fertilize, or Not to Fertilize

Global warming is “unequivocal,” the Intergovernmental Panel on Climate Change (IPCC) reported in November 2007. Human actions—particularly the burning of…

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Acid Rain Has a Disproportionate Impact on Coastal Waters

The release of sulfur and nitrogen into the atmosphere by power plants and agricultural activities plays a minor role in making the ocean slightly more acidic on a global scale, but the impact is greatly amplified in the shallower waters of the coastal ocean, according to new research by atmospheric and marine chemists.

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Earth Can’t Soak Up Excess Fossil Fuel Emissions Indefinitely

Earth Can't Soak Up Excess Fossil Fuel Emissions Indefinitely

Earth?s land and oceans have been soaking up the excess carbon Earth?s land and oceans have been soaking up the excess carbon dioxide that humans have pumped into the atmosphere by burning fossil fuels. But there are limits.
A new-generation computer model indicates that the capacity of land and ocean to absorb and store the heat-trapping greenhouse gas will reach its peak by the end of the century?removing a brake that has been tempering the effects of global warming.

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Extreme Trapping

Extreme Trapping

One of oceanography’s major challenges is collection of data from extraordinarily difficult environments. For those who use sediments traps, two examples of difficult environments are the deepest oceans and the permanently ice-covered Arctic Basin.

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