Tundra News
April 25, 2017

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updated 2:12pm EDT

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April 25, 2017

Mar. 13, 2017 — The dramatic decline of Arctic sea ice in recent decades is caused by a mixture of global warming and a natural, decades-long atmospheric hot spot over Greenland and the Canadian ... read more

Mar. 10, 2017 — For the past eight years, Operation IceBridge, a NASA mission that conducts aerial surveys of polar ice, has produced unprecedented three-dimensional views of Arctic and Antarctic ice sheets, ... read more

Additional Arctic Weather Data Raises Forecast Accuracy of Cold Snaps in Japan

Mar. 9, 2017 — Increased observation of meteorological conditions in the Arctic's upper atmosphere from land-based weather stations and a sea-going research vessels improves the accuracy of cold wave forecasts ... read more

Mar. 3, 2017 — The Arctic has been losing sea ice over the past several decades as Earth warms. However, each year, as the sea ice starts to melt in the spring following its maximum wintertime extent, scientists ... read more

Declining Arctic Sea Ice Influences European Weather, but Isn't a Cause of Colder Winters

Feb. 28, 2017 — The dramatic loss of Arctic sea ice through climate change is unlikely to lead to more severe winter weather across Northern Europe, new research has ... read more

Feb. 27, 2017 — An international research team found a rapid rise in acidification in the western Arctic Ocean, a potential threat to shellfish, the marine ecosystem and the fishing industry. Since the 1990s, ... read more

Feb. 23, 2017 — Spring is coming sooner to some plant species in the low Arctic of Greenland, while other species are delaying their emergence amid warming winters. The changes are associated with diminishing sea ... read more

Feb. 23, 2017 — Humans may have been altering Arctic sea ice longer than previously thought, according to researchers studying the effects of air pollution on sea ice growth in the mid-20th ... read more

Feb. 17, 2017 — In bitter cold regions like northwestern Canada, permafrost has preserved relict ground-ice and vast glacial sedimentary stores in a quasi-stable state. These landscapes therefore retain a high ... read more

Feb. 17, 2017 — You might think that polar bears — and the potential for attack — are the biggest danger the Norwegian arctic island archipelago of Svalbard. But avalanches kill far more people on Svalbard than ... read more

Scientists Find Evidence of Alaskan Ecosystem Health in Harlequin Ducks

Feb. 16, 2017 — Harlequin Ducks in coastal areas of Alaska’s Kodiak and Unalaska islands are exposed to environmental sources of mercury and that mercury concentrations in their blood are associated with their ... read more

Feb. 15, 2017 — Ice loss from Canada's Arctic glaciers has transformed them into a major contributor to sea level change, new research has found. From 2005 to 2015, surface melt off ice caps and glaciers of the ... read more

Feb. 13, 2017 — Researchers found sunlight converted little if any permafrost thawed carbon to carbon dioxide, whereas microbes were shown to rapidly convert permafrost carbon to carbon ... read more

Feb. 10, 2017 — The Arctic has a serious litter problem: in just 10 years, the concentration of marine litter at a deep-sea station in the Arctic Ocean has risen 20-fold, according to ... read more

Feb. 9, 2017 — A recent interpretive review of scientific literature sheds light on the interactions of gas hydrates and ... read more

Study Traces Black Carbon Sources in the Russian Arctic

Feb. 3, 2017 — Transport and residential heating could be responsible for a greater contribution of black carbon in the Russian Arctic compared to gas flaring or power plants, according to new ... read more

Feb. 1, 2017 — Dust released by an active coal mine in Svalbard, Norway, reduced the spectral reflectance of nearby snow and ice by up to 84 percent, according to new ... read more

Limited Sign of Soil Adaptation to Climate Warming

Jan. 30, 2017 — While scientists and policy experts debate the impacts of global warming, Earth’s soil is releasing roughly nine times more carbon dioxide to the atmosphere than all human activities combined. This ... read more

Jan. 26, 2017 — The world-famous site of Machu Picchu is home to a biologically important and iconic species: the Andean bear (Tremarctos ornatus), report ... read more

Jan. 18, 2017 — A new model reconstruction shows in exceptional detail the evolution of the Eurasian ice sheet during the last ice age. This can help scientists understand how climate and ocean warming can affect ... read more

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