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imagery

Andrew Pietruszka helps guide the pilot of a remotely operated vehicle exploring underwater sites that may contain aircraft wreckage from WWII.
Posted inNews

Robotic Vehicles Explore World War II Era Ocean Battlefields

by James Dacey 7 April 20225 July 2022

Project Recover used autonomous underwater vehicles to identify, access, and image hard-to-reach World War II wreckage sites near the Northern Mariana Islands.

Scientists using ground-penetrating radar equipment
Posted inResearch Spotlights

Testing a Machine Learning Approach to Geophysical Inversion

by Morgan Rehnberg 1 April 20221 April 2022

Variational autoencoders can be leveraged to provide an effective method of inversion that is both accurate and computationally efficient.

Image of the center of our galaxy
Posted inNews

With MeerKAT, Astronomers Peer at the Possibilities of Radio Imaging

by Santiago Flórez 11 March 202224 May 2022

Stunning images of the center of the Milky Way showcase technology and techniques that may be a starting point for more discoveries.

Photograph and muographic image of Satsuma-Iwo-jima volcanic island, Japan
Posted inEditors' Vox

High-Definition Imaging of the Subsurface with Cosmic Ray Muons

by László Oláh, Hiroyuki K. M. Tanaka and Dezső Varga 14 February 20223 January 2023

A new book describes muography, an imaging technique that can be used to visualize the internal density composition of geological structures.

Series of six figures showing recovered fault geometry and slip models, from early to late stages in the inversion procedure.
Posted inEditors' Highlights

New Inversion Method Improves Earthquake Source Imaging

by Cécile Lasserre 30 August 20218 December 2022

A new method uses Bayesian inference to jointly invert for non-planar fault geometry and spatially variable slip (with associated uncertainties) in earthquake source modeling, based on geodetic data.

Two images comparing a high-resolution pore network in rock and a reconstruction of the same by the machine learning model.
Posted inEditors' Highlights

Reconstructing Rocks with Machine Learning

by D. O'Malley 12 July 20213 October 2022

Machine learning can be used to accurately reconstruct high-resolution, 3D images of rocks from 2D cross-sections, which opens the door to more detailed simulations.

Posted inEditors' Highlights

Citizen Scientists Observe Mysterious Green Streaks Below STEVE

by M. Hudson 9 November 202015 March 2023

Citizen scientists provided images of sub-auroral STEVE (Strong Thermal Emission Velocity Enhancements) showing fine-scale green features with narrow streaks propagating poleward toward STEVE.

A coronal mass ejection is seen in this image captured by the Solar Terrestrial Relations Observatory spacecraft in 2012.
Posted inResearch Spotlights

The “Complicated” Complexity of Solar Storms

Elizabeth Thompson by Elizabeth Thompson 29 October 202031 May 2022

Researchers turned to crowdsourced science to identify patterns in coronal mass ejections.

A drone hovers over a spring in Fitchburg, Wis.
Posted inNews

Taking an Aerial View Underground

by Jady Carmichael 6 October 20208 September 2022

Wisconsin geologists are testing using drones equipped with thermal cameras to measure shallow soil depths in areas prone to groundwater contamination.

Posted inEditors' Highlights

Ensemble Modeling of Coronal Mass Ejection Arrival at 1 AU

by M. Hudson 18 September 202031 May 2022

Heliospheric imaging data can be used in ensemble modeling of CME arrival time at Earth to improve space weather forecasts, treating the solar wind as a 1-D incompressible hydrodynamic flow.

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Features from AGU Journals

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“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
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“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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