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geodesy

Globe with debris littering low Earth orbit
Posted inNews

Flickers of Light Help Map the Space Junkyard

by Camilo Garzón 30 July 202026 January 2022

Researchers are identifying space debris by measuring its flickering patterns of reflected light.

A beach scene along the Oregon coast
Posted inResearch Spotlights

Land Motion Offers Insights into Cascadia Earthquake Cycle

by David Shultz 7 July 202029 September 2021

Comparing recent GPS data with a longer record of sea level along the western coast of North America allows researchers to home in on interseismic deformation above the Cascadia megathrust.

The new “Unified Geologic Map of the Moon”
Posted inNews

The First Global Geologic Map of the Moon

by Mark Betancourt 1 June 202028 October 2021

At a time when more geological data about the Moon are available than ever before, USGS scientists have created a one-stop shop where everyone, including the public, can see how it all fits together.

Aerial view of a scene of the Alps near the border of France and Italy showing snowy mountains and lakes
Posted inResearch Spotlights

A Graceful Way to Study Daily Water Storage on Land

by David Shultz 17 April 202029 September 2021

A new analysis technique could help scientists improve the temporal resolution of satellite gravity data and see trends in terrestrial water storage and movement in near real time.

Map of China and surroundings showing GPS-measured crustal velocities and large earthquakes
Posted inResearch Spotlights

Space-Based Data Expand Understanding of Crustal Deformation

by Kate Wheeling 27 March 202029 September 2021

Researchers used the largest GPS data set yet to examine deformation of the crust across continental China and its implications for tectonic activity.

Large earthen rupture foregrounds a brightly colored school building damaged by an earthquake.
Posted inNews

Geodetic Data Pinpoint Earthquake-Prone Regions of the Himalayas

by Katherine Kornei 19 March 20207 October 2022

GPS measurements of the Indian and Eurasian plates reveal four locked segments most likely to produce large earthquakes.

Map showing observations of slow slip
Posted inEditors' Highlights

Slow Slip By Any Other Name

by T. Parsons 4 March 20202 December 2022

Earth’s faults slip most catastrophically as earthquakes. The rise of geodesy reveals an array of slower slip events, meaning faults are nearly always active. Are these behaviors really so different?

Earth at night from space
Posted inAGU News

The Shape of the World

by Heather Goss 31 December 201922 November 2021

From new techniques in geodesy to the scientific culture we want to create, let’s start our next century together by assessing how we measure what’s most important.

Map showing how much terrestrial water storage in some of the world’s major river basins contributes to sea level rise.
Posted inEditors' Highlights

A Closure on Sea Level Rise Budget

by Valeriy Ivanov 27 November 201928 October 2021

Terrestrial water loss may explain the lack of previous budget closure in global mean sea level rise.

A small stone tower stand atop a small rocky hill.
Posted inFeatures

Einstein Says: It’s 309.7-Meter O’Clock

by Bas den Hond 16 October 201922 November 2021

Atomic clocks are now so accurate that Earth’s gravity can be seen to slow them down. Geodesy is preparing to use this relativistic effect to measure elevation.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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