An ancient drainage basin covering one fifth of Greenland predates the ice sheet and strongly influences the modern Jakobshavn Glacier, according to a new analysis of ice-penetrating radar data.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
Posted inResearch Spotlights
Insights into Long-Standing Bias in Cloud Property Retrieval
A new framework provides a more comprehensive view of how subpixel variations can create biases in a commonly used method of analyzing cloud properties with satellites.
Posted inResearch Spotlights
Solar Wind Disconnects Venus’s Magnetotail
Polarity reversals in the solar wind magnetic field disconnect the magnetic field trailing behind Venus, allowing ions from the atmosphere to escape.
Posted inResearch Spotlights
Shift in Pacific Sea Level Trends Will Affect the West Coast
The first study on the shift toward higher sea levels in the eastern Pacific Ocean over the past 5 years indicates it will continue, leading to much higher seas on the western coasts of the Americas.
Posted inResearch Spotlights
Japan's Volcanic History, Hidden Under the Sea
Scientists investigate marine tephra layers for clues to Japan's volcanic past.
Posted inResearch Spotlights
Measuring Progress Toward Sustainable Goals
Grouping targets that need to be hit into composite goals may help countries evaluate their progress toward sustainable development targets laid out by the United Nations.
Posted inResearch Spotlights
A (Dust) Devil of a Time—on Mars
New computer simulations of Martian dust devils could aid Red Planet weather forecasts.
Posted inResearch Spotlights
Patches of Low Electron Density Help to Heat the Ionosphere
Simulations show how changes in electron density can trap electromagnetic waves and heat electrons in the ionosphere.
Posted inResearch Spotlights
Traces of Ancient Buried Subduction Zone Found in China
A combination of observations and modeling reveals evidence of a late Paleozoic intraoceanic subduction zone in the western Junggar region of northwest China.
Posted inResearch Spotlights
How Accurate Are Ionospheric Models?
A new study puts the latest version of a venerable model of Earth's ionosphere to the test, with some unexpected results.