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Alaska

A black-and-white photograph of a river.
Posted inNews

What a Gold Mining Mishap Taught Us About Rivers

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 13 January 202227 March 2023

Miners in Alaska rerouted a river to search for gold. One hundred years later, the new channel is teaching scientists how rivers shape Earth.

Plot showing the latitudinal profile of F-region meridional wind as a function of local time for the day of 4 January 2019.
Posted inEditors' Highlights

Thermospheric Cross-Polar Winds Observed to Unexpectedly Stall

by Michael P. Hickey 7 October 202113 October 2021

Observations of cross-polar cap neutral winds near 240 km altitude stalling over short distances in the midnight sector near Poker Flat, Alaska, challenge the standard view of high-latitude dynamics.

Image of Sean de Guzman of the California Department of Water Resources conducting a snow survey in the Sierra Nevada.
Posted inFeatures

The Changing Climate’s Snowball Effect

Korena Di Roma Howley, Science Writer by Korena Di Roma Howley 24 September 202123 March 2023

Shrinking snowpack, thawing permafrost, and shifting precipitation patterns have widespread consequences. Can new technologies—and public policies—help communities adapt?

Four cormorants stand atop a channel marker.
Posted inScience Updates

Cormorants Are Helping Characterize Coastal Ocean Environments

by R. A. Orben, A. G. Peck-Richardson, G. Wilson, D. Ardağ and J. A. Lerczak 23 September 202111 July 2023

The Cormorant Oceanography Project is using sensors deployed on diving marine birds to collect broadly distributed oceanographic data in coastal regions around the world.

A student takes notes in Arctic Alaska.
Posted inNews

Testing on the Tundra: NASA Snow Program Heads North

by J. Besl 27 July 202111 August 2022

With infrastructure, experience, and a slice of the world’s largest snow biomes, Alaska is an essential research destination for NASA’s multiyear SnowEx campaign.

Sunrise over snow.
Posted inNews

Laser Flashes Shed Light on a Changing Arctic

Katherine Kornei, Science Writer by Katherine Kornei 18 May 202114 May 2024

An ongoing project in northern Alaska is using pulses of laser light to monitor anthropogenic activity, ice quakes, and marine wildlife.

Aerial view of Taku Glacier’s terminus in Taku Inlet
Posted inScience Updates

The Imminent Calving Retreat of Taku Glacier

by C. McNeil, J. M. Amundson, S. O’Neel, R. J. Motyka, L. Sass, M. Truffer, J. M. Zechmann and S. Campbell 18 February 202129 September 2021

Long an anomaly among glaciers, advancing while most others shrank, Taku Glacier is starting to succumb to climate change, offering an unprecedented look at the onset of tidewater glacier retreat.

Permafrost below grass
Posted inNews

Experimentos Revelan Cómo el Carbono del Permafrost se Convierte en Dióxido de Carbono

Katherine Kornei, Science Writer by Katherine Kornei 24 December 20206 September 2022

Muestras de campo provenientes de Alaska muestran cómo la luz solar y el hierro convierten el carbono del permafrost en dióxido de carbono. Los modelos climáticos ignoran este proceso.

Aerial view of snowdrifts at a lake in the northern foothills of the Brooks Range in Alaska
Posted inResearch Spotlights

A Census of Snowdrifts in Northern Alaska

by David Shultz 2 December 20208 February 2023

Snowdrifts prove less ephemeral than they might seem, occurring in the same places year after year.

View looking out a helicopter cockpit over remote eastern Alaska landscape
Posted inScience Updates

Ancient Rivers and Critical Minerals in Eastern Alaska

by A. Bender, R. Lease, J. V. Jones III and D. Kreiner 29 July 20206 December 2021

Fieldwork is revealing a history of landscape evolution over the past 5 million years that links climate change and river capture to critical mineral resources across the Alaska-Yukon border.

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Mapping the Ocean Floor with Ancient Tides

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First Benchmarking System of Global Hydrological Models

7 May 20257 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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