Projected (a) mean winter (Oct-April) soil temperature, (b) mean winter air temperature, (c) mean leaf area index (July-August), (d) annual gross primary productivity (GPP), (e) mean non-summer (NS; September - May) unfrozen soil moisture, (f) mean summer soil moisture (June-August), and (g) cumulative summer precipitation (June-August) for the northern permafrost region from 2018 through 2100 under RCP 4.5 (blue) and 8.5 (red) based on ESM ensemble outputs. Graphic: Natali, et al., 2019 / Nature Climate Change

Arctic shifts to a carbon source due to winter soil emissions – “The warmer it gets, the more carbon will be released into the atmosphere from the permafrost region, which will add to further warming”

By Samson Reiny 8 November 2019 (NASA) – A NASA-funded study suggests winter carbon emissions in the Arctic may be adding more carbon into the atmosphere each year than is taken up by Arctic vegetation, marking a stark reversal for a region that has captured and stored carbon for tens of thousands of years. The […]

Summary of polar bear population status in 2019 by regional subpopulation, showing populations with decreasing trends. Graphic: IUCN / SSC Polar Bear Specialist Group (PBSG)

Scientists update status of polar bear populations with 2019 data

By Dag Vongraven 20 September 2019 (PBSG) – At the last meeting of the IUCN/SSC Polar Bear Specialist Group (PBSG) in Anchorage in 2016, the group agreed that there was a need for new and documented criteria for the assessment of status and trends of polar bear populations. Work to develop a new set of […]

Aerial views of glaciers in Iceland taken in 1989 and 2019 showing how much ice has been lost over this 30-year period. Photo: National Land Survey of Iceland / Kieran Baxter

Images reveal Iceland’s glacier melt – “We saw a staggering difference in a very short amount of time”

By Rebecca Morelle 25 October 2019 (BBC News) – A photography project has highlighted the extent of ice loss from Iceland’s glaciers. A team from Scotland and Iceland compared photographs taken in the 1980s with present-day drone images. They focused on the south side of the Vatnajökull ice cap, which covers about 7,700sq km of […]

Flowers grow in new meadows in Western Siberia above the 70th parallel, only 1000 miles away from the North Pole. An expedition organised by Tomsk State University in the summer of 2019 found oases of rich vegetation formed in places of actively thawing permafrost. Russian scientists were surprised to find carpets of herbs and flowers, with daisies, dandelions, polar poppies, horsetail, several types of wormwood, cereals, and even willow growing in Arctic “oases”. Photo: Sergey Loiko / Tomsk State University

Poppies, dandelions, and daisies bloom in never-before-seen Arctic oases

By Olga Gertcyk 16 October 2019 (The Siberian Times) – ‘Blooming’ might be the last word to associate with the Arctic, yet pictures below show meadows bursting with life as brightly-coloured flowers blossom in lush green grass. And while vegetation in khasyreis, basins of drained Arctic lakes, is less of a surprise, researchers discovered ‘bursts […]

This animation shows Arctic sea ice decline from 1979 to 2019 from pink to purple, with dark purple in 2019. This animation is based on the Chartic Interactive Sea Ice Graph. Graphic: M. Scott / NSIDC

Falling up: A look back at the 2019 Arctic summer – New record daily lows for sea ice extent in July and early August

3 October 2019 (NSIDC) – Arctic sea ice began its autumn regrowth in the last 12 days of September, with the ice edge expanding along a broad front in the western Arctic Ocean. Overall, the summer of 2019 was exceptionally warm, with repeated pulses of very warm air from northern Siberia and the Bering Strait. […]

Aerial view of an illegal gold mining facility on the Seyba River, 255 kilometers south of Krasnoyarsk city, Siberia, that was destroyed by flooding from a dam burst on 19 October 2019. Photo: The Siberian Times

Dam collapse at illegal Siberia gold mine leaves at least 15 dead, 130 evacuated

By Yuliya Fedorinova 19 October 2019 (Bloomberg) – A dam collapsed at a gold mine in Russia’s Krasnoyarsk region, leaving at least 15 people dead, the Ministry of Emergency Situations said on its website. The collapse happened at about 2 a.m. Moscow time near one of the small local gold mining companies’ operations, the ministry […]

Wild reindeer cross a river in the Taymyr Peninsula in Siberia. More than 40,000 wild reindeer have perished since the last count in 2017, say scientists who returned from an expedition to the Taymyr Peninsula. Photo: Zapovedniki Taymyra / The Siberian Times

Northern reindeer that roamed Taymyr peninsula are at the brink of extinction – “The losses are catastrophic”

By Olga Gertcyk 30 September 2019 (The Siberian Times) – More than 40,000 wild reindeer perished since the last count in 2017, said scientists who returned from a major expedition to the Taymyr Peninsula. The Yenisei group of reindeer has disappeared entirely while the westernmost group living along the Tareya River has dramatically shrunk in […]

Statewide rankings for average temperature and precipitation for September 2019 compared to each September since records began in 1895. Graphic: NOAA / NCEI

September 2019 hottest on record globally, second hottest in U.S. history – All-time record for 12-month rainfall in U.S.

5 October 2019 (Copernicus Climate Change Service) – In Europe, temperatures were above average over most of the continent, especially in the south and south-east. Below-average temperatures occurred over much of Norway and Sweden, and over the far east of the continent. Globally September 2019 was 0.57°C warmer than the average September from 1981-2010, making […]

The pattern of normalized relative sea-level (RSL) from Glacial Isostatic Adjustement (GIA) simulations of a 20-m rise in eustatic sea level (ESL). Graphic: Grant, et al., 2019 / Nature

If warming exceeds 2°C, Antarctica’s melting ice sheets could raise seas 20 meters in coming centuries

By Georgia Rose Grant and Timothy Naish 2 October 2019 (The Conversation) – We know that our planet has experienced warmer periods in the past, during the Pliocene geological epoch around three million years ago. Our research, published today, shows that up to one third of Antarctica’s ice sheet melted during this period, causing sea levels to rise […]

Five-year average of temperature change around Zyryanka, Siberia compared with the late 1800s. Data: Berkeley Earth. Graphic: The Washington Post

Radical warming in Siberia leaves millions on unstable ground – “The permafrost is thawing so fast, we scientists can’t keep up anymore”

By Anton Troianovski and Chris Mooney 3 October 2019 ON THE ZYRYANKA RIVER, Russia (The Washington Post) – Andrey Danilov eased his motorboat onto the gravel riverbank, where the bones of a woolly mammoth lay scattered on the beach. A putrid odor filled the air — the stench of ancient plants and animals decomposing after […]

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