Tuesday, October 17, 2017
 
A sea change in the Arctic atmosphere

Thinning sea ice in spring affects ozone chemistry with implications for mercury contamination

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A sea change in the Arctic atmosphere

Arctic warming has thinned springtime sea ice across the Arctic Ocean. A new study shows that this alters the chemistry of the atmosphere near the Earth’s surface and may increase the amount of toxic mercury contaminating the region.

Air pollution levels from Deepwater Horizon spill similar to large urban area

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Air pollution levels from Deepwater Horizon spill similar to large urban area

The amount of air pollutants in the atmospheric plume generated by the Deepwater Horizon oil spill was similar to a large city according to a new NOAA-led study published today in a special issue of Proceedings of the National Academy of Sciences.

Amount of coldest Antarctic water near ocean floor decreasing for decades

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Amount of coldest Antarctic water near ocean floor decreasing for decades

Scientists have found a large reduction in the amount of the coldest deep ocean water, called Antarctic Bottom Water, all around the Southern Ocean using data collected from 1980 to 2011.

An East Side, West Side Story: Ozone Pollution in the United States

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An East Side, West Side Story: Ozone Pollution in the United States

In a new study, academic and NOAA scientists found that ozone pollution is declining at rural sites in the East, but is steady or even increasing at most sites in the rural West, with strongest increases in spring.

April 27 Reddit AMA: Tornado! Talk Severe Weather Research & Prediction with NOAA

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April 27 Reddit AMA: Tornado! Talk Severe Weather Research & Prediction with NOAA

Spring has arrived and with it come efforts to study and learn to better predict severe weather like tornadoes. Join NOAA for a Reddit Ask Me Anything (AMA) on severe weather research and prediction on April 27, 2017.

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