The continent-wide survey provides an assessment of the resilience of groundwater resources.
mapping
Posted inNews
1.3 Million Pairs of Stars Surround the Sun
Roughly half of Sun-like stars have a stellar sibling, and a surprising fraction of those siblings are identical twins.
Posted inEditors' Highlights
The Tumbling Boulders of Orientale Basin
Mapping boulder fields and boulder tracks highlights the seismic hazard still present on the Moon.
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.
Posted inResearch Spotlights
Certain Rock Formations Can Lead to In-Home Radon Risks
Researchers in Kentucky have merged results from home test kits with the state’s geologic map to produce a map of indoor radon potential based on the geology underlying homes in the state.
Posted inNews
Homes and Other Buildings Abound in Natural Hazard Hot Spots
Researchers mined maps of natural hazards and land use to show that nearly 60% of structures are built in regions at high risk of earthquakes, wildfires, floods, hurricanes, and/or tornadoes.
Posted inNews
Cratons Mark the Spot for Mineral Bonanzas
A new map of the thickness of Earth’s lithosphere contains clues to large deposits of key metals.
Posted inNews
Flickers of Light Help Map the Space Junkyard
Researchers are identifying space debris by measuring its flickering patterns of reflected light.
Posted inScience Updates
Mapping Vegetation Health Around the World
A new spaceborne sensor monitors Earth’s surface temperature at a resolution higher than ever before, providing information on ecosystem responses to changes in water availability and climate stressors.
Posted inEditors' Highlights
Fine-scale Structure Mapped by Body Waves Extracted from Noise
A novel processing scheme was used to extract refracted body waves from ambient seismic noise and investigate the small-scale structure around a fault at Long Beach, California.