Arctic

State of the climate in 2022: special supplement to the Bulletin of the American Meteorological Society

This is the 33rd issuance of the annual assessment now known as State of the Climate, published in the Bulletin since 1996. As a supplement to the Bulletin, its foremost function is to document the status and trajectory of many components of the climate system. However, as a series, the …

New record for opening Arctic Northwest Passage as climate change melts ice faster each year

After 24 days at sea and a journey spanning more than 10,000 kilometers (6,214 miles), the Finnish icebreaker MSV Nordica has set a new record for the earliest transit of the fabled Northwest Passage. The once-forbidding route through the Arctic, linking the Pacific and the Atlantic oceans, has been opening …

Seasonal differences in the response of Arctic cyclones to climate change in CESM1

The dramatic warming of the Arctic over the last three decades has reduced both the thickness and extent of sea ice, opening opportunities for business in diverse sectors and increasing human exposure to meteorological hazards in the Arctic. It has been suggested that these changes in environmental conditions have led …

Tillerson gives nod at Arctic meet to climate change action

U.S. Secretary of State Rex Tillerson signed an agreement recognising the landmark Paris climate accord at a meeting of Arctic nations in Alaska on Thursday, but said President Donald Trump was not rushing to decide whether to leave or weaken U.S. commitments to the pact. Trump's efforts to dilute U.S. …

22,000 years of history evaporates after freezer failure melts Arctic ice cores

Around 13% of cache of ice cylinders extracted from glaciers in Canadian Arctic exposed to high heat in new storage facility at University of Alberta Within them sits some 80,000 years of history, offering researchers tantalising clues about climate change and the Earth’s past. At least that was the case …

Snow, water, ice and permafrost: summary for policy-makers

This document presents the policy-relevant findings of the AMAP 2017 assessments of snow, water, ice and permafrost in the Arctic (SWIPA). The Snow, Water, Ice and Permafrost in the Arctic (SWIPA) assessment is a periodic update to the Arctic Climate Impact Assessment, published in 2005 by the Arctic Monitoring and …

Migratory connectivity of Semipalmated Sandpipers and implications for conservation

Semipalmated Sandpiper (Calidris pusilla) populations have undergone significant declines at core nonbreeding sites in northeastern South America. Breeding populations have also declined in the eastern North American Arctic, but appear to be stable or increasing in the central and western Arctic. To identify vulnerable populations and sites, we documented the …

Arctic sea ice, Eurasia snow, and extreme winter haze in China

The East China Plains (ECP) region experienced the worst haze pollution on record for January in 2013. We show that the unprecedented haze event is due to the extremely poor ventilation conditions, which had not been seen in the preceding three decades. Statistical analysis suggests that the extremely poor ventilation …

Humans to blame for bulk of Arctic sea ice loss

Paris - Natural changes in the environment are responsible for about 40% of Arctic sea ice loss, while humans are to blame for the rest, says a climate study. The paper, based on model simulations of different climate conditions, was a rare attempt to quantify the relative contributions of humans …

How does the SST variability over the western North Atlantic Ocean control Arctic warming over the Barents–Kara Seas?

Arctic warming over the Barents–Kara Seas and its impacts on the mid-latitude circulations have been widely discussed. However, the specific mechanism that brings the warming still remains unclear. In this study, a possible cause of the regional Arctic warming over the Barents–Kara Seas during early winter (October–December) is suggested. We …

Towards a rain-dominated Arctic

Climate models project a strong increase in Arctic precipitation over the coming century, which has been attributed primarily to enhanced surface evaporation associated with sea-ice retreat. Since the Arctic is still quite cold, especially in winter, it is often (implicitly) assumed that the additional precipitation will fall mostly as snow. …

Nutrient availability limits biological production in Arctic sea ice melt ponds

Every spring and summer melt ponds form at the surface of polar sea ice and become habitats where biological production may take place. Previous studies report a large variability in the productivity, but the causes are unknown. Original Source

After the ice goes

Researchers look into the future of the far North for clues to save species and maybe even bring back sea ice. Original Source

What’s killing the world’s shorebirds?

Researchers brave polar bears, mosquitoes and gull attacks in the Canadian Arctic to investigate an alarming die off. Original Source

2016’s super warm Arctic winter ‘extremely unlikely’ without climate change, scientists say

The Arctic continues to amaze. Hit by a second bout of extremely warm winter temperatures in recent days, the seasonal growth of floating sea ice has flattened out, just as it did when hit by similarly dramatic heat in November. The area of the Arctic Ocean covered by sea ice …

The Arctic is showing stunning winter warmth, and these scientists think they know why

Last month, temperatures in the high Arctic spiked dramatically, some 36 degrees Fahrenheit above normal -- a move that corresponded with record low levels of Arctic sea ice during a time of year when this ice is supposed to be expanding during the freezing polar night. And now this week …

Extreme warmth in Arctic promises more volatile weather in 2017

A spate of extreme warmth in the Arctic over the past two months has startled scientists, who warn that the high temperatures may lead to record-low ice coverage next summer and even more warming in a region that is already among the hardest hit by climate change, The New York …

Arctic oil rush: Nenets' livelihood and habitat at risk from oil spills

The livelihood of the Nenets people who live along the northern stretches of the Yenisei, Russia’s longest river, depends on two pursuits: fishing and reindeer herding. But locals have said both of those activities are under threat from an oil terminal due to be built on the Tanalau cape, near …

Prepare for 'surprise' as global warming stokes Arctic shifts - scientists

Unless the world stops burning fossil fuels that are fuelling global warming, irreversible changes in the Arctic could have disastrous effects for the people that live there and for the rest of the planet, researchers warned on Friday. The Arctic’s ecosystems are fundamentally threatened by climate change and other human …

Arctic Resilience Report 2016

This report is the concluding scientific product of the Arctic Resilience Assessment, a project launched by the Swedish Chairmanship of the Arctic Council. The project’s 2013 Interim Report provided the conceptual foundations for this final report, as well as a detailed survey of resilience research in the Arctic to date. …

Obama administration bars new oil exploration in Arctic waters

The Obama administration on Friday blocked new exploration for oil and gas in Arctic waters, in a win for environmental groups that had fought development of the ecologically fragile region. The Department of the Interior released a 2017 to 2022 leasing plan that blocked drilling in the Chukchi and Beaufort …

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