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Alexandra Branscombe

A. Branscombe

Alexandra Branscombe is a mathematics and science writer based in Washington D. C. A native Midwesterner, Alexandra graduated from the University of Wisconsin-Madison with degrees in biology and science communications.

Mineral veins on Mars offer clues to the history of the planet’s crust
Posted inResearch Spotlights

Studying Martian Rocks Without Leaving Planet Earth

Alexandra Branscombe by A. Branscombe 1 March 20173 January 2023

Matching Martian rock formations to those found on Earth can help researchers learn more about the Red Planet.

Researchers examine ties between increased wealth and decreased water pollution in Louisiana.
Posted inResearch Spotlights

When Income Goes Up, Does Pollution Go Down?

Alexandra Branscombe by A. Branscombe 16 February 20171 February 2022

Scientists look at a possible connection between increased wealth and decreased water pollution in Louisiana.

Drilling reveals the mechanics at play behind an ancient eruption.
Posted inResearch Spotlights

Deep Drilling Reveals Puzzling History of Campi Flegrei Caldera

Alexandra Branscombe by A. Branscombe 1 February 20172 May 2022

Results show that caldera collapse attributed to a super eruption almost 40,000 years ago was smaller than what scientists expected. So what might have really happened?

Researchers predict the movement of sediment in very steep streams.
Posted inResearch Spotlights

Boulders Limit Transport of Sand and Gravel in Steep Rivers

Alexandra Branscombe by A. Branscombe 6 January 20176 March 2023

Mountain rivers and streams actively reshape landscapes by eroding material from uplands and depositing it in lowlands. Scientists can now predict this transport in very steep streams.

Scientists examine the link between forest fires and deforestation in the Amazon.
Posted inResearch Spotlights

Smoke Signals in the Amazon

Alexandra Branscombe by A. Branscombe 5 January 20172 November 2021

Forest fires can occur naturally, but in the world's largest rain forest, fire can signal large-scale deforestation.

A remote-controlled robot offers insight into open ocean typhoons.
Posted inResearch Spotlights

Wave Gliding in the Eye of the Storm

Alexandra Branscombe by A. Branscombe 29 December 201631 March 2022

Scientists use a new remote-controlled robot to capture data from the middle of an open ocean typhoon.

Researchers hope to pinpoint timing of future eruptions in Italy’s Campi Flegrei caldera.
Posted inResearch Spotlights

When Might the Campi Flegrei Caldera Erupt Again?

Alexandra Branscombe by A. Branscombe 23 November 201630 September 2022

The clock may be ticking for Italy's Campi Flegrei caldera, a region with a pattern of numerous and sometimes large explosive eruptions. The next explosion could be less than 100 years away.

Scientists trace the journey of radiocarbon through trees and soil to the atmosphere.
Posted inResearch Spotlights

Isotopes Track Carbon Cycle in Northern Wisconsin Wilderness

Alexandra Branscombe by A. Branscombe 9 November 20169 February 2023

Researchers collected carbon from 3 years' worth of air samples and traced it back to its source.

Scientists use balloons to measure atmospheric ash and assess how volcanic eruption eruptions affect climate.
Posted inResearch Spotlights

Volcanic Ash Contributes to Climate Cooling

Alexandra Branscombe by A. Branscombe 25 October 201617 November 2022

A new study shows that atmospheric ash reflects solar radiation months after volcanic eruptions.

Researchers recreate the the climate history of the ocean.
Posted inResearch Spotlights

Reconstructing Ocean Climate History

Alexandra Branscombe by A. Branscombe 21 October 201611 January 2023

Scientists recreate ocean climate data to explore historical warming—and cooling—trends in Earth's seas.

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Features from AGU Journals

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By Rachel Fritts

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EDITORS' VOX
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“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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