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.
satellite imagery
Posted inNews
Satellite Images Reveal a New View of Ancient Earth’s Rivers
A new method shows a key relationship between the width and makeup of Earth’s river channels over time. The technique could be applied to other terrestrial bodies, such as Mars.
Posted inNews
Satellites Show Magnitude of Human Influence on River Sediment Flux
Dam-building has decreased the amount of sediment transported by rivers, while land use changes have increased the amount.
Posted inEditors' Highlights
Volcanic Creation and Destruction of Temporary Tephra Storage
Pyroclastic density currents (PDCs) are a major threat during an explosive volcanic eruption. A new study shows that loose tephra accumulations on volcanic slopes tend to re-mobilize rapidly.
Posted inNews
Why Do Rivers Jump Off the Beaten Path?
Researchers sifted through 50 years of satellite imagery and came up with new clues to where and why rivers avulse, suddenly changing their course.
Posted inEditors' Vox
The Earth in Living Color: Monitoring Our Planet from Above
A new special collection invites papers on a new era of remote sensing missions and instruments that will provide insights into human and climate driven changes on planet Earth.
Posted inAGU News
Bringing Satellite Observations Down to Earth
This month’s issue of Eos shows how scientists can sometimes get a better look at something by stepping far—much, much farther—away.
Posted inResearch Spotlights
Mapping Martian Dunes from Orbit
New research shows how fast the sands shift on the Red Planet and how useful imagery from different orbiting cameras can be in studies of Mars’s dunes.
Posted inNews
River Ice Is Disappearing
Over the past 3 decades, the persistence of river ice has decreased by almost a week. The decrease in ice has important implications for ecology, climate, and the economy.
Posted inNews
Rolling Rocks Reveal Recent Moonquakes
Using satellite images of the lunar surface, scientists find trails left by boulders shaken loose by seismic activity.