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snow

Tall green trees dot a hillside, and a snow-covered mountain appears in the background.
Posted inNews

Spring Heat Waves Pack a Punch for Snowpacks in the Pacific Northwest

Katherine Kornei, Science Writer by Katherine Kornei 19 January 202419 January 2024

New research shows how the snowpack loss due to moderate springtime heat waves outweighed that of a record-shattering summer heat dome.

An illustration showing the interior of Mercury, including its crust; the mantle, with a red “snow zone” with illustrations of iron snowflakes; and the core.
Posted inResearch Spotlights

Iron Snow Ebb and Flow May Cause Magnetic Fields to Come and Go

by Nathaniel Scharping 2 January 20242 January 2024

Lab experiments find that iron crystals in planetary cores may form in bursts, causing periodic dynamos.

Brown dust darkens large areas of snow.
Posted inNews

Dust Is Melting Snow—And Current Models Can’t Keep Up

by Kara West 25 October 20231 May 2024

Mountain snowpack melts quicker when coated in dust. This cyclical problem is forcing water forecasts to evolve.

Diagram from the paper.
Posted inEditors' Highlights

Northern Ecosystems are Shaped by Snow

by David S. Schimel 12 September 202313 September 2023

Changing climate in the Arctic leads to a shorter snow season but deeper snow in the depths of winter. Under the insulating snow, biological processes are accelerated leading to higher nutrient availability and carbon losses.

Field photos of burned forest and graphs showing reflectance properties.
Posted inEditors' Highlights

Summer Fire Means Winter Melt

by Valeriy Ivanov 2 February 20232 February 2023

Changing wildfire activity in California may impact seasonal hydrology by causing intense snowmelt during winter in areas where fires extend into higher elevation zones.

Maps showing distribution of different drought types.
Posted inEditors' Highlights

Streamflow Drought Intensification in the European Alps

by Valeriy Ivanov 1 February 202331 January 2023

A five-decade analysis of drought generation processes in the Alps shows their changing seasonality in high-elevation basins with increasingly frequent droughts caused by a lack of snowmelt water.

Posted inEditors' Highlights

Measuring the Microstructure of Snow from Space

by Bjorn Stevens 15 December 20224 January 2023

There is more to snow than flakes. Microwave measurements are shown to be capable of illuminating the microstructure of snow in ways that will improve our ability to monitor snow fields from space.

Burned landscape of the Indian Creek watershed in southern Colorado after the Spring Creek Fire
Posted inResearch Spotlights

How Wildfires Affect Snow in the American West

by Saima May Sidik 11 August 202211 August 2022

Data from 45 burned sites help researchers better understand climate change and wildfires’ impact on snowpack.

Three field photographs showing different vegetation types.
Posted inEditors' Highlights

It’s Cool to be Short When You’re in the Arctic Permafrost

by Ankur R. Desai 15 July 202225 July 2022

Extensive ground temperature measurements complicate our understanding of how vegetation cover, snow duration, and microtopography influence the pace of permafrost thaw in a changing climate.

Photo of Hüfifirn, a medium-sized glacier in Central Switzerland.
Posted inEditors' Vox

Mountains Undergo Enhanced Impacts of Climate Change

by Nicholas Pepin, Carolina Adler, Sven Kotlarski and Elisa Palazzi 10 May 202210 November 2022

As climate change persists, amplified temperature increases in mountains and changes in precipitation will diminish snow and ice.

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