Optical spectroscopy uncovers increased carbon dioxide emissions on the Alaskan tundra
Joanna Cummings |
Temperatures in the Arctic have been rising at twice the rate of the global increase, especially in winter (1) – something that may be affecting carbon dioxide emissions and negatively affecting local ecosystems.
As part of the Carbon Arctic Reservoir Vulnerability Experiment (CARVE), a team of measurement, satellite and modeling specialists have spent three years measuring the regional carbon flux from the ecosystems in the Arctic that may be stressed as a result of climate warming. “Most studies in Alaska so far have focused on small areas – and even that is difficult to do in the harsh arctic conditions,” says Róisín Commane, lead author and Research Associate at Harvard School of Engineering and Applied Sciences. “But as well as allowing us to assess the impact of climate change on the Arctic, understanding the regional effects of these increasing temperatures is very important for making accurate predictions.”
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