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Geophysical Research Letters

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Figure showing channel cross section geometry and erosion potential simulated with a comprehensive morphodynamic model at different stages of the channel evolution
Posted inEditors' Highlights

Stream Hydraulic Geometry 1.01

by Valeriy Ivanov 7 December 202015 February 2023

New research provides a theoretical explanation of channel cross section geometry dependence on flow rate that is commonly observed and described with power-laws.

Shane Elipot deploys an instrumented surface drifter from a research ship in 2012 in the North Atlantic Ocean
Posted inResearch Spotlights

A Floating Buoy Fleet Could Help Scientists Track Rising Seas

Elizabeth Thompson by Elizabeth Thompson 24 November 202015 November 2021

A new observing system to track mean sea level could piggyback on infrastructure already in place and extend the geographic area over which sea level is monitored.

A color mosaic close-up of the pockmarked surface of a crescent Moon
Posted inResearch Spotlights

Moon May Hold Billions of Tons of Subterranean Ice at Its Poles

by J. Pinson 20 November 202028 January 2022

By modeling over 4 billion years of the Moon’s impact history, scientists estimate that the lunar poles may harbor billions of metric tons of subsurface ice.

Photo of the apparatus used to produce icequakes
Posted inResearch Spotlights

Researchers Produce First Artificial Icequakes

by Jack Lee 17 November 202014 October 2021

Laboratory experiments show similarities between glacier beds and tectonic faults.

A rocky landscape with short vegetation in the Canadian tundra
Posted inResearch Spotlights

¿Cómo Afecta el Reverdecimiento del Ártico al Agua Subterránea?

Kate Wheeling, freelance science writer by Kate Wheeling 13 November 20206 February 2023

Nuevas investigaciones examinan cómo los cambios en la ecología de la superficie influyen en la hidrología subterránea en el Ártico.

Satellite image showing atmospheric gravity waves above the Hokkaido region of Japan
Posted inResearch Spotlights

Modeling Gravity Waves with Machine Learning

Kate Wheeling, freelance science writer by Kate Wheeling 11 November 202020 December 2022

Researchers used neural networks to better define the parameterizations necessary for modeling the distribution and characteristics of orographic gravity waves.

Plot showing a time series of the sand content determined from two paleo sediment cores in Eastern Canada
Posted inEditors' Highlights

Abrupt Climate Shifts Change the Latitudes of Storm Activity

by J. Sprintall 2 November 202010 February 2023

A new 6500-year construction of storms combined with other paleo-storm records finds abrupt changes in the Atlantic Ocean circulation impact the latitudinal preference of storm activity.

Map showing location of four temperature sensors that detected warming trends in the Argentine Basin of the South-west Atlantic Ocean
Posted inEditors' Highlights

The Deepest Layers of the South-West Atlantic Ocean are Warming

by J. Sprintall 30 October 202015 November 2021

A unique temperature time series observed over the past decade in the bottom layers of the south-west Atlantic Ocean shows significant variability with long-term warming trends.

Plot showing the distribution of the maximum wind speed attained by post-tropical cyclones and midlatitude cyclones in North Europe in the period June to November for the years 1979 to 2017
Posted inEditors' Highlights

Post-Tropical Cyclones Influence on European Windstorm Risk

by Suzana Camargo 28 October 20208 March 2022

Comparing the importance of midlatitude cyclones and post-tropical cyclones on European windstorms during the Atlantic hurricane season using ERA-5 reanalysis.

View of a tidal marsh in Barnstable Harbor, Mass.
Posted inResearch Spotlights

Rising Seas and Agriculture Created Wetlands Along the U.S. East Coast

by J. Pinson 23 October 20202 November 2021

Most of the tidal marshes along the eastern coast of the United States formed within the past 6,000 years due to a combination of slowly rising seas and European colonization.

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