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Journal of Geophysical Research: Solid Earth

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Three-dimensional seismic observation with the CO2 reservoir labeled in green
Posted inResearch Spotlights

Neural Networks Can Identify Carbon Dioxide in Seismic Observations

by Morgan Rehnberg 28 January 20222 March 2022

By establishing a machine-driven approach to interpreting seismic observations of carbon dioxide injection, researchers hope to improve tracking of carbon capture and sequestration projects.

The coastline of Nova Scotia in eastern Canada
Posted inResearch Spotlights

The Role of Magma in the Birth of the Atlantic Ocean

by Jack Lee 25 January 202225 January 2022

High-resolution seismic models of the Nova Scotia margin reveal a role for magmatism in continental breakup, even at magma-poor sections of the eastern North American margin.

A beach at As Sifah, Oman
Posted inResearch Spotlights

Radiometric Dating Sheds Light on Tectonic Debate

Aaron Sidder, freelance science writer by Aaron Sidder 21 January 20222 February 2022

The emplacement of the Samail Ophiolite in Oman has been a source of disagreement among geologists. New state-of-the-art research offers a fresh perspective on its timing and geometry.

A compilation of high-quality paleointensity determinations from dated archeological sites in Uzbekistan from 600 BC to 600 AD.
Posted inEditors' Highlights

An Unstable Magnetic Field in Central Asia 2500-1500 Years Ago

by Mark J. Dekkers 8 December 202119 January 2022

The geomagnetic field intensity – poorly described – varies spatially and temporally on centennial time scales. A recent study fills an important gap in Central Asia and discusses global implications.

Map centered on the North Pole plotting archived data from multiple sources.
Posted inEditors' Highlights

American Legacy Paleosecular Variation Data Unlocked

by Mark J. Dekkers 3 December 202120 December 2021

The geomagnetic field changes regionally on centennial time scales. A recent study unlocks three historical archives from the “Four Corners” region (southwest USA) reconciling previous discrepancies.

Posted inResearch Spotlights

长期海平面变化周期影响未来海平面上升预测

Sarah Stanley, Science Writer by Sarah Stanley 26 October 202126 October 2021

新的研究证实,海平面存在有规律的、长期的波动,这可能是由地核的活动引起的。

A view of Balboa Pier in California.
Posted inResearch Spotlights

Measuring Sea Level Rise Along the Coast

by David Shultz 25 October 20213 January 2022

Scientists created a global map of vertical land motion to show how the solid ground is moving relative to the planet’s rising seas.

Scanning electron microscope images of an underformed and a deformed ice sample that clearly show differences in grain sizes.
Posted inEditors' Highlights

Ice on a Deadline: More Stress Makes Ice Move Faster

by Nikolai Bagdassarov and Douglas R. Schmitt 19 October 202115 October 2021

Anyone seeing photographs of glacier and ice sheets from above clearly sees that they flow; recent laboratory tests on ice further reveal the conditions that control just how fast this happens.

Plot showing a compilation the virtual dipole moment of the geomagnetic field during the Ediacaran and Cambrian periods.
Posted inEditors' Highlights

A Dipole Field from the Ediacaran-Cambrian Transition Onward?

by Mark J. Dekkers 14 October 202114 March 2023

The Ediacaran features an instable magnetic field complicating paleogeographic reconstructions; a new paleointensity study on late Ediacaran rocks indicates a weak but stable dipolar field.

Several charts showing the results of hydrothermal flow modelling along a 26 km-long line located on 7-million-year-old Atlantic oceanic crust.
Posted inEditors' Highlights

Mechanisms of Hydrothermal Ocean Plate Cooling Revealed

by V. Sallarès 28 September 202127 January 2023

A combination of waveform tomography and hydrothermal modelling allows characterizing the mechanisms and reach of fluid flux and ocean plate cooling near mid-ocean ridges with unprecedented detail.

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