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Instruments and techniques

Two scientists stand atop a glacier holding cords and ropes, with a view of a fjord, icebergs, and mountains in the distance
Posted inScience Updates

Undertaking Adventure to Make Sense of Subglacial Plumes

by Evgeny A. Podolskiy 18 August 202129 September 2021

Novel observations and inventive analyses of glacial discharge in Greenland have revealed new insights into the irregular and chaotic nature of ice-ocean interactions at glacial calving fronts.

A pink laser sublimates an ice core in a scientific instrument chamber.
Posted inNews

The Catcher in the Ice

by Bas den Hond 22 January 202127 October 2021

There are three ways to extract gases from an ice core. The cleanest one, sublimation, is getting easier.

Aerial view of an enormous tidewater glacier, Bowdoin Glacier, in Greenland
Posted inNews

Tuning in to a Glacial Symphony

by Lesley Evans Ogden 17 April 2020

New research focuses on the bubbling and bathtub-like sounds of a glacier.

A research vessel next to Arctic ice
Posted inNews

Light Permeates Seasonally Through Arctic Sea Ice

by Katherine Kornei 6 September 2019

The transmission of sunlight through Arctic sea ice depends on the presence of ice, snow, and melt ponds, data collected over 6 years reveal.

A photograph of a collapse scar bog near Fairbanks, Alaska
Posted inNews

The Permafrost Listeners

by L. Joel 7 August 20199 August 2019

Geophysicists have discovered a way to monitor permafrost thaw by measuring seismic waves so gentle they don’t shake a thing.

A gloved hand holding an ice core
Posted inNews

How Ice Cores Are Helping to Track Preindustrial Ozone

by R. Crowell 29 July 2019

Research helps allay concerns about discrepancies between atmospheric chemistry models and historical direct measurements.

Aerial view of the Swiss Alps
Posted inResearch Spotlights

Using GPS Sensors to Capture Key Snowpack Properties

by Sarah Stanley 6 June 2019

A low-cost, two-antenna GPS setup could enable valuable snow measurements in remote locations, improving predictions of runoff and avalanche risk.

Ice flowing down West Antarctica’s Pope Glacier
Posted inResearch Spotlights

What’s Missing from Antarctic Ice Sheet Loss Predictions?

by Sarah Stanley 21 March 2019

Accurately modeling melt rates in specific ice shelf locations is critical for forecasting how Antarctica’s ice sheet will respond to climate change.

A view of the Larsen C ice shelf in Antarctica
Posted inResearch Spotlights

Extending the Record of Surface Melt on the Larsen C Ice Shelf

by Terri Cook 25 February 2019

The first use of Advanced Scatterometer radar data to determine melt duration on an Antarctic ice shelf shows the season has decreased by up to 2 days per year during the extended 21st century record.

Researchers use a new technique to better understand alpine snowpacks and track average snow depth and water content
Posted inResearch Spotlights

Cosmic Ray Neutrons Reveal Mountain Snowpacks

by Terri Cook 29 September 2017

The first application of aboveground neutron sensing to evaluate alpine snowpacks indicates that this method can reliably detect average snow depth and water content across intermediate distances.

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