Tree core chemistry can explain what happened before Mount Etna’s 2002 eruption and suggests that trees could play a role in rebuilding past eruptions.
satellites
Posted inEditors' Highlights
ICESat-2 Adds Estimates of Sea Level Trends to Accomplishments
The high spatial resolution and high orbit of ICESat-2 make it suited for measuring sea level close to the coast and in the polar regions, filling a gap in our sea level observational system.
Posted inResearch Spotlights
Understanding Aurora Formation with ESA’s Cluster Mission
Over 2 decades, Cluster has shed light on the auroral acceleration region, where parallel electric fields send charged particles on a collision course with the atmosphere.
Posted inResearch Spotlights
Satellite Sensor EPIC Detects Aerosols in Earth’s Atmosphere
Aerosol observations from EPIC—a sensor aboard a satellite—align well with ground- and aircraft-based data, including measurements of smoke plumes produced by recent megafires.
Posted inEditors' Vox
A New Practical Guide to Using Python for Earth Observation
A new book presents an example-driven collection of basic methods, applications, and visualizations to process satellite data sets for Earth science research.
Posted inNews
Uganda Advances Toward Launching Its First Satellite
A new ground station and an expanded education network will lead to the launch of a security and Earth observation satellite in 2022.
Posted inScience Updates
Taking Flight to Study Clouds and Climate
A new mission involving synchronized aircraft observations is collecting data vital for improving our understanding of how aerosol particles and clouds influence each other.
Posted inEditors' Highlights
Better Thermospheric Monitoring is Vital to Space Safety
Better real-time estimates of thermospheric density are vital to the safe management of satellite traffic in Low Earth orbit, ensuring those satellites continue to deliver critical services.
Posted inScience Updates
Sowing Seeds of Food Security in Africa
An innovative program focused on collaboration and capacity building is looking to improve outcomes for smallholder farmers, reduce hunger, and alleviate food insecurity in sub-Saharan Africa.
Posted inOpinions
Charting Satellite Courses in a Crowded Thermosphere
As the number of satellites in low Earth orbit grows by leaps and bounds, accurate calculations of the effects of atmospheric drag on their trajectories are becoming critically important.