apes 9-21 - The ability of oceans to soak up atmospheric...

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Unformatted text preview: The ability of oceans to soak up atmospheric carbon dioxide is being hampered by climate change, according to a new scientific study. A fresh analysis of existing observational data taken from locations across the North Atlantic Ocean recorded over a period of almost three decades (1981-2009) has revealed that global warming is having a negative impact on one of nature's most important carbon sinks. "Warming in the past four to five years has started to reduce the amount of carbon that large areas of the (North Atlantic) Ocean is picking up," said Galen McKinley, lead author and assistant professor of atmospheric and oceanic sciences at the University of Wisconsin-Madison. According to the National Oceanic and Atmospheric Administration global ocean temperatures have risen by 0.74 degrees Celsius since the late 19th century. The new study identified underlying trends in surface CO2 by examining data across three distinct biogeographic regions ("biomes") ranging from the subpolar gyre (circular ocean currents) in the north to two subtropical gyres further south.("biomes") ranging from the subpolar gyre (circular ocean currents) in the north to two subtropical gyres further south....
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