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Geophysical Research Letters

Visit the journal.

Posted inEditors' Highlights

Distinguishing Pacific and Atlantic Contributions to the Arctic

by J. Sprintall 18 April 201912 January 2022

A semi-conservative tracer combining nitrate and dissolved oxygen is more accurate than traditional tracers in distinguishing between Atlantic and Pacific water mass contributions to the Arctic.

Meltwater flows in a canyon around 30 meters deep in Greenland.
Posted inResearch Spotlights

Mapping Ice Algal Blooms from Space

by E. Underwood 17 April 20196 July 2022

Satellite data reveal how colorful algae are melting the Greenland ice sheet.

Martian Polar Layered Deposits
Posted inResearch Spotlights

How Do Intergranular Particles Affect the Flow of Ice?

by Terri Cook 15 April 20198 August 2022

Laboratory experiments that indicate rock particles can impede sliding along grain boundaries in ice may help researchers more accurately determine the composition of planetary ice masses.

Nuns pose with a snowman at the Vatican in Rome on 26 February 2018.
Posted inResearch Spotlights

Using Multiple Models to Improve Seasonal Forecasting

by Terri Cook 15 April 201929 March 2022

The first study to examine the ability of a suite of general circulation models to predict sudden warmings in Earth’s stratosphere highlights the potential for improving Northern Hemisphere forecasts.

Drone photo of a shoal in the Turks and Caicos Islands
Posted inResearch Spotlights

Old Idea Spurs New Research into Origins of Carbonate Mudstones

Aaron Sidder, freelance science writer by Aaron Sidder 12 April 201926 October 2022

Using modern techniques, scientists tested an old hypothesis about carbonate mud production to shift the thinking about rocks that are used as seawater archives and a source of petroleum.

The Yenisei and Ob Rivers in Russia flow into the Kara Sea
Posted inResearch Spotlights

How Yellowing Seas Will Affect Ocean Temperatures

by E. Underwood 12 April 20191 February 2023

Materials that trap solar heat at the sea surface could cause more extreme temperatures.

The Getz Ice Shelf in Antarctica
Posted inResearch Spotlights

Very Warm Water Observed Along West Antarctic Ice Shelf

by Terri Cook 11 April 201911 January 2022

Two years of mooring observations at the edge of the continental shelf show that wind stress and upwelling control the inflow of some of the warmest water observed at an ice shelf front in Antarctica.

Seated man in a hard hat assesses sediment patterns in a dug trench
Posted inNews

Secrets from the New Madrid Seismic Zone’s Quaking Past

Rachel Crowell, Science Writer by Rachel Crowell 9 April 20198 December 2022

High-resolution lidar topography reveals a long history of ancient earthquakes.

A satellite view of the Río de la Plata’s plume
Posted inResearch Spotlights

Unraveling the Origins of a Record-Setting Marine Heat Wave

by Terri Cook 8 April 201916 December 2021

The extreme heat wave in the southwestern Atlantic in 2017 was likely caused by upper atmosphere circulation patterns triggered by the Madden-Julian Oscillation tropical weather cycle.

A dry drainage basin in Sossusvlei, Namibia
Posted inResearch Spotlights

What Climate Models Get Wrong About Future Water Availability

by E. Underwood 5 April 201915 February 2023

Models that accurately represent past and present rainfall provide more accurate projections of water availability, a new study suggests.

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