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Geophysical Research Letters

A DAS array captures a series of earthquakes and aftershocks that shook the Ridgecrest area in Southern California in 2019.
Posted inResearch Spotlights

Fiber-Optic Cables Can Produce High-Resolution Underground Maps

by Jack Lee 15 February 202216 February 2022

Telecom fiber repurposed as distributed acoustic sensing arrays can image near-surface structure and potentially improve seismic hazard mapping in urban areas.

Three panels showing the difference between experiments that include Aeolus winds assimilation and those that do not.
Posted inEditors' Highlights

Impact of Assimilating Aeolus Winds on Kelvin Waves

by Suzana Camargo 11 February 202215 March 2022

Assimilation of Aeolus winds in the ECMWF analyses and forecasts improves the Kelvin Waves representation and forecasts in the tropical tropopause layer.

Two charts comparing saturated hydraulic conductivity as function of clay content for temperate and tropical environments.
Posted inEditors' Highlights

Not All Clays are Made Equal – and it Matters for Hydrology

by Valeriy Ivanov 10 February 202215 March 2022

Soil clay content is an important characteristic that affects many hydraulic and mechanical properties of soil; clay mineral type is important for their prediction.

Figure 4 from the paper
Posted inEditors' Highlights

El Niño-Southern Oscillation and Radiation Two-Way Coupling

by Suzana Camargo 9 February 202215 March 2022

Changes in sea surface temperature during ENSO events and radiation are related, suggesting a two-way coupling between sea surface temperature and radiation in coupled climate variability.

Diagram showing how thousands of years of evolution links three characteristics: the maximum lengths of tree roots, how close these roots are to a groundwater source, and whether or not trees use groundwater.
Posted inEditors' Highlights

Evolution is More Important than Environment for Water Uptake

by Valeriy Ivanov 8 February 20223 May 2022

Despite conventional assumptions, a new study shows that evolutionary proximity of species defines root water uptake strategies, not their position in landscape or ambient environment.

Hydrothermal vent spewing black smoke.
Posted inEditors' Highlights

Bubble, Bubble, Toil and Trouble: Ocean Vents Spew Rubble

by Rose Cory 7 February 202215 March 2022

Hydrothermal vents in the ocean emit 6000-year-old carbon. The likely source? Ocean crust.

The Atacama Desert, Chile
Posted inResearch Spotlights

Understanding Rare Rain Events in the Driest Desert on Earth

by Emily Cerf 18 January 202218 January 2022

A new study reveals the atmospheric paths of storm events that can deliver a decade’s worth of rain in a few hours to the Atacama Desert.

A GEOTRACES research vessel in the Arctic Ocean
Posted inResearch Spotlights

Diurnal Oxidation for Manganese Minerals in the Arctic Ocean

by Morgan Rehnberg 13 January 202213 January 2022

The relative abundance of different oxidation states for this important micronutrient varies on the basis of how much available sunlight there is.

Figure 2 from Wang and Tkalčić [2021]
Posted inEditors' Highlights

Observation of Shear Wave Anisotropy in the Earth’s Inner Core

by Daoyuan Sun 5 January 202220 April 2022

Coda-correlation wavefields reveal direction-dependent inner-core shear-wave speed, ~5 s faster in directions oblique to the Earth’s rotation axis than directions parallel to the equatorial plane.

Four plots showing overshooting top density within six times of the radius of maximum wind as a function of normalized radius for different typhoons going through rapid intensification by day and night separated in groups based on typhoon intensity.
Posted inEditors' Highlights

Clouds Overshooting Tops and Typhoon Intensity

by Suzana Camargo 17 December 202113 April 2022

An examination of the relationship between the diurnal variation of cloud overshooting tops density and typhoon intensity in 45 typhoons, using the Himawari-8 Satellite.

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