When glaciers melt, the land below deforms. Sea level data show that widely used models oversimplify the process.
geodesy
Posted inFeatures
Sea Level Science and Applications Support Coastal Resilience
Known for precise, planetary-scale measurements, NASA is improving its decades-long effort to observe and understand sea levels to help communities prepare for the effects of Earth’s rising ocean.
Posted inResearch Spotlights
Fresh Approaches to Processing GRACE Data
Two studies showcase new methods for analyzing GRACE data that better match the land surface, producing clearer estimates of mass variations.
Posted inEditors' Highlights
Continuity is the Father of Success
Geodetic measurements indicate that Three Sisters Volcano uplifted by almost 300 millimeters in the past 25 years without significant anomalies at the surface.
Posted inFeatures
Lasers and Ultracold Atoms for a Changing Earth
Applying new technology rooted in quantum mechanics and relativity to terrestrial and space geodesy will sharpen our understanding of how the planet responds to natural and human-induced changes.
Posted inResearch Spotlights
Improving Coseismic Slip Measurements
A physics-based method estimates the duration of earthquakes’ coseismic phase and can help improve the precision of coseismic slip models and magnitude estimates.
Posted inNews
Evolving the Geodetic Infrastructure
Enhancements to the largely invisible framework will enable researchers to investigate pressing questions about our planet’s future.
Posted inAGU News
Kristine M. Larson Receives 2020 Charles A. Whitten Medal
Kristine M. Larson was awarded the 2020 Charles A. Whitten Medal at the virtual AGU Fall Meeting in December. The medal is for “outstanding achievement in research on the form and dynamics of the Earth and planets.”
Posted inEditors' Highlights
Understanding Where and How Magma is Stored
Gravity measurements reveal depth and storage conditions of rhyolitic magma reservoirs beneath the Laguna del Maule volcanic field in Chile.
Posted inScience Updates
Slipping and Locking in Earth’s Earthquake Factories
Geodetic observations collected during back-to-back decadal research campaigns have revealed crucial new insights into the start–stop and slow-motion behavior of subduction zones.