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Acercamiento de un arbusto de lilas, mostrando flores rodeadas de hojas sobre un fondo de un cielo azul parcialmente nublado.
Posted inNews

Las hojas están brotando más temprano en el Sendero de los Apalaches

by Kate Hull 15 February 202315 February 2023

Imágenes satelitales de nuevas y brillantes hojas revelan cambios que producirán un efecto de cascada en diversos ecosistemas al este de los Estados Unidos.

Close-up of a flowering lilac shrub.
Posted inNews

Leaves Are Springing Up Earlier Along the Appalachian Trail

by Kate Hull 14 December 202215 February 2023

Satellite images of lustrous new leaves reveal changes that will have cascading effects on diverse ecosystems in the eastern United States.

Israeli soldiers clean tar from the beaches in February 2021 after oil from a spill in the eastern Mediterranean washed ashore.
Posted inFeatures

Seeing Through Turbulence to Track Oil Spills in the Ocean

by Guillermo García-Sánchez, Ana M. Mancho, Antonio G. Ramos, Josep Coca and Stephen Wiggins 18 August 202225 January 2023

After oil and tar washed up on eastern Mediterranean beaches in 2021, scientists devised a way to trace the pollution back to its sources using satellite imagery and mathematics.

Uranus and Neptune as seen by Voyager 2
Posted inResearch Spotlights

A Unified Atmospheric Model for Uranus and Neptune

by Morgan Rehnberg 1 August 20221 August 2022

In a new model, three substantial atmospheric layers appear consistent between the ice giants.

Inspecting mine drainage in a river
Posted inEditors' Vox

Using Hematite to Decipher Past Climates and Environments

by Zhaoxia Jiang, Qingsong Liu, Andrew Roberts, Mark J. Dekkers, Vidal Barrón, José Torrent and Sanzhong Li 7 February 20223 January 2023

The magnetic and color properties of the mineral hematite give clues to past environmental conditions and is being used for paleoclimatic reconstruction.

Red rocks of the Chinle Formation at Petrified Forest National Park
Posted inNews

Red Rocks: Using Color to Understand Climate Change

by R. Mazumdar 30 March 20213 January 2023

A recent study on hematite formation during the Triassic may help predict the effects of climate change on contemporary monsoonal environments.

A comparison of the same data set displayed using traditional rainbow (left), cool-warm (middle), and wave colormaps
Posted inFeatures

Visualizing Science: How Color Determines What We See

by S. Zeller and D. Rogers 21 May 20206 February 2023

Color plays a major role in the analysis and communication of scientific information. New tools are helping to improve how color can be applied more accurately and effectively to data.

Schematic of how chlorate could oxidize reducing iron to iron oxides in various aqueous environments on Mars
Posted inEditors' Highlights

Why Is the Red Planet Red? Chlorate May Oxidize Mars’ Surface

by Y. Sekine 6 December 201922 December 2021

Laboratory experiments and geochemical model suggest that chlorate is very effective to oxidize reducing iron to reddish iron oxides on Mars when liquid water was present on the surface.

Yellow, dry grass; green trees; and blue cloudy sky
Posted inNews

Turning the Arctic Brown

by The University of Sheffield 19 September 20195 January 2023

For a generation, the tundra has seen an increasing growth of vegetation, a process known as Arctic greening. A more accurate term might be “Arctic browning.”

Posted inEditors' Highlights

Red and Green Aurora Stop and Go for Different Reasons

by Viviane Pierrard 5 July 201911 August 2022

Green-line arc is found to be embedded within large-scale upward field aligned currents while red-line-only arc is found to be associated with low-energy precipitation bursts.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

EDITORS' HIGHLIGHTS
AGU Advances
“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

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

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