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E. Underwood

Researchers assess what kind of particles seed cloud formation from the preindustrial era to present day.
Posted inResearch Spotlights

Atmospheric Particles Aren’t the Same Cloud Seeds They Once Were

by E. Underwood 7 November 20173 May 2022

Still, more than half of the seeds required for cloud droplets to form in both the present-day and preindustrial atmospheres are made by trace gases that condense to form minute aerosol particles.

Researchers examine precursors of a recent tsunami in Greenland.
Posted inResearch Spotlights

What Precursors Foretold Greenland’s Recent 100-Meter Tsunami?

by E. Underwood 3 November 201711 January 2022

Slippage began hours before a landslide-driven tsunami destroyed a village in northwestern Greenland.

Researchers compare satellite measurements of hundred-year-old observations of Earth’s global electrical current
Posted inResearch Spotlights

Ocean Showers Power the Global Electric Circuit

by E. Underwood 26 October 2017

Satellite measurements confirm hundred-year-old observations collected by boat.

Researchers examine how the electric fields in Jupiter’s polar region drive the planet’s powerful auroras
Posted inResearch Spotlights

Can Large Electric Fields Power Jupiter’s X-ray Auroras?

by E. Underwood 19 October 201713 January 2023

Electric fields with megavolt potentials in Jupiter’s polar region accelerate particles to 100 times more energy than Earth’s typical auroral particles, a new study finds.

Researchers analyze space storms to better understand how the Van Allen belts lose particles.
Posted inResearch Spotlights

How Earth’s Outer Radiation Belts Lose Their Electrons

by E. Underwood 17 October 20174 May 2022

A new analysis of three space storms reveals the mechanisms of particle loss from the Van Allen belts.

A new study uses mathematical modeling to understand the movement of Earth’s crust
Posted inResearch Spotlights

Measuring Earth’s Elasticity

by E. Underwood 2 October 201719 October 2021

A new study illuminates how crustal rocks break and stretch.

Posted inResearch Spotlights

Methane Leaks May Make Natural Gas Worse Than Coal for Climate

by E. Underwood 20 September 20179 January 2018

The article about which this Research Spotlight was written has been retracted by the authors.

Increased winter flows in the Tanana River have puzzled researchers—until now
Posted inResearch Spotlights

Why Are Arctic Rivers Rising in Winter?

by E. Underwood 5 September 20173 March 2023

Increased glacial melt is boosting winter streamflows by filling aquifers, a new study on an Alaskan river suggests.

Researchers use a new technique to look at electrical fields within storm clouds
Posted inResearch Spotlights

When Ice and Lightning Align

by E. Underwood 5 September 20176 March 2023

A new technique can remotely sense strong electrical fields within storm clouds.

New observations reveal secrets of sodium flares in Mercury’s exosphere
Posted inResearch Spotlights

Observing Mercury’s Brilliant Flares from Earth

by E. Underwood 9 August 20177 March 2022

Researchers make the first short-term observation of sodium flares in Mercury’s exosphere.

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