A powerful numerical model reveals how space weather disturbs magnetic field at geosynchronous orbit.
Hazards & Disasters
Posted inNews
New Simulation Supports Chicxulub Impact Scenario
Mountains ringing the center of Earth’s most famous impact crater consist of porous rocks. Computer models of the impact can now predict those rocks’ microstructure.
Posted inNews
Will Cape Town Escape Its Water-Starved Fate?
Despite ramped-up conservation efforts and hopes lifted by a few recent rainstorms, residents of the South African metropolis still face the possibility of a water doomsday.
Posted inResearch Spotlights
Capturing Structural Changes of Solar Blasts en Route to Earth
Comparison of magnetic field structures for 20 coronal mass ejections at eruption versus Earth arrival highlights the importance of tracking structural evolution to refine space weather predictions.
Posted inResearch Spotlights
How Fast Is the Nile Delta Sinking?
New study calculates the delta’s subsidence on the basis of satellite data.
Posted inScience Updates
How Paleofire Research Can Better Inform Ecosystem Management
Global Paleofire Working Group 2: Paleofire Knowledge for Current and Future Ecosystem Management; Saint-Hippolyte, Quebec, Canada, 10–14 October 2017
Posted inScience Updates
Snowfall Rates from Satellite Data Help Weather Forecasters
A new data product calculates snowfall rates from weather data beamed directly from several satellites, helping meteorologists provide fast, accurate weather reports and forecasts.
Posted inEditors' Highlights
Catching the Oncoming Radiation Storm
Improved processing enables satellite-based radiation sensors to match ground-based sensors in providing prompt warnings of the onset of atmospheric radiation storms that can endanger civil aviation.
Posted inResearch Spotlights
Peering Beneath the Powder: Using Radar to Understand Avalanches
High-resolution radar images from Switzerland’s experimental test site show that snow temperature is a key factor in classifying avalanche behavior.
Posted inResearch Spotlights
Increasing Radiation Levels May Challenge Space Exploration
New research shows that solar radiation levels are growing 10% faster than previously believed and that the radiation environment in space will worsen with time.