Pam Pearson

Overlooked VOC Emissions from Thawing Arctic Permafrost May Increase Warming and Pollution

Environmental Research Letters, October 12 In thawing permafrost peatland soils studied in Finland, emissions of volatile organic compounds (VOCs, including…

6 år ago

Past Andean Drought and Glacial Retreat Tied to Abrupt Warming in the Arctic

Nature Communications, October 12   Past abrupt warming periods in the Arctic were related to near-complete disappearance of glaciers in…

6 år ago

Dust Darkens/Melts Snow at High Mountain Altitudes in Asia, Soot Dominates Lower Down

Nature, October 5 Dust carried by winds from the Middle East and Africa and deposited on snow is now the…

6 år ago

Year-round Disappearance of Arctic Sea Ice Before 2100 Under New High Emissions Scenarios

Environmental Research Letters, October 7   The Arctic Ocean will reach an essentially ice-free state year-round (i.e., fully navigable) under…

6 år ago

Ice-rich Permafrost Fuels Arctic Fires

Nature Geoscience commentary, September 28 More than half of 2020’s Arctic fires so far this year have occurred in ice-rich…

6 år ago

Greenland Ice Loss Rate On Track to Exceed Holocene (End of Last Ice Age)

Nature, September 30 Between 2000-2018, the Greenland Ice Sheet lost ice mass at the rate of 6100 billion tons of…

6 år ago

Glacier Mass Loss Doubles in Easternmost Tian Shan Since 1972

Journal of Glaciology, Sept 23 Glacier mass loss has doubled in the Tian Shan mountains of eastern Central Asia, known…

6 år ago

Mercury Emissions From Permafrost Thaw Could Make Yukon River Fish Inedible

Nature Communications, September 16 Under high emissions scenarios, additional permafrost thaw would drastically increase mercury concentrations in the Yukon River. …

6 år ago

Freshwater Discharge from Antarctica Shows Major Impacts on Future Climate

Science Advances, September 23 Under moderate and high emissions scenarios, the discharge of vast amounts of meltwater from the Antarctic…

6 år ago

New Higher Estimates of Ice Loss from Greenland and Antarctica with High Emissions

The Cryosphere, September 17 Sea-level rise from the Greenland and Antarctic ice sheets alone could be 39 cm higher by…

6 år ago

Rising Temperatures Lead to Irreversible Ice Loss and Sea-level Rise From Antarctica

Nature, September 23 The rate and scale of ice loss from Antarctica will increase as temperatures exceed 2°C, according to…

6 år ago

Loss of Snow Cover on Svalbard Glaciers Accelerated Loss Since the mid-1980s.

Nature Communications, September 14 Most of Svalbard’s glaciers and ice caps have lost the porous snow layer that previously protected…

6 år ago

Antarctica without Ice Shelves Leads to Rapid Multi-Meter Sea Level Rise

Journal of Glaciology, September 14 Collapse of ice shelves neighbouring the Antarctic Ice Sheet has the potential to contribute 1…

6 år ago

WAIS Ice Shelves Show Early Signs of Irreversible Disintegration

PNAS, September 14 Extensive open fractures have developed in the ice shelves of the Pine Island and Thwaites glaciers in…

6 år ago

New Destabilizing Arctic Under High Emissions Scenario

Nature Climate Change, September 14 The Arctic is at high risk of undergoing a rapid state change away from a…

6 år ago