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Editors’ Highlights

Chart showing polar cap index values for four days around the St Patrick’s Day storm of 2015.
Posted inEditors' Highlights

Watching the Substorms Grow

by Michael A. Hapgood 24 May 20222 August 2022

Updated procedures enable consistent use of a wide network of polar magnetometers to monitor energy flow into the tail of Earth’s magnetosphere during the growth phase of substorms.

Photographs of natural jamming of boulders in canyon constrictions and slit dams.
Posted inEditors' Highlights

Good or Bad Jam? Modeling Boulders’ Fate at Constrictions

by Mikaël Attal 23 May 202215 November 2022

A new modeling framework to assess the likelihood of jamming at constrictions can be used to support the design of effective mitigation measures and reduce risk in debris flow prone areas.

Series of photographs of North St. Vrain Creek showing changes over time for one specific logjam.
Posted inEditors' Highlights

Logjams May Be Transient but Their Effect is Long Lasting

by Patricia Saco 20 May 202215 November 2022

Even though natural logjams in rivers continuously change and maybe short-lived, their effects in terms of geomorphic diversity and habitat can be surprisingly long-lasting.

Niveau du lac du Nyiragongo au cours du temps.
Posted inEditors' Highlights

Mesurer les oscillations d’un lac de lave depuis l’espace

by Michael Poland 19 May 202221 February 2023

Les images satellite permettent de mesurer les oscillations du lac de lave du Nyiragongo (RD Congo). Ces mesures renseignent sur la dynamique du volcan et aident à anticiper ses éruptions futures.

Lava lake activity over time at the Nyiragongo volcano.
Posted inEditors' Highlights

Tracking Lava Lake Levels at an African Volcano from Space

by Michael Poland 19 May 20222 August 2022

Satellite data from Nyiragongo Volcano, Democratic Republic of Congo, track changes in summit-crater lava levels that provide a window into eruption dynamics and aid in forecasting future activity.

Charts comparing observed sea-surface temperature with high-resolution reconstructions.
Posted inEditors' Highlights

Unlocking Ultra-High-Resolution Paleothermometry from Sediments

by Kaustubh Thirumalai 18 May 202214 September 2022

Mass spectrometric imaging techniques used to extract micron-scale organic paleothermometry signatures from Arabian Sea sediments show that they skillfully reflect observations.

Figure 2 from the paper, showing a time series graph of amateur radio observations over the Continental United States and four maps showing data at selected universal times.
Posted inEditors' Highlights

Amateur Radio Observations Help Monitor Space Weather

by Gang Lu 17 May 20227 September 2022

Amateur radio observations provide a new method for studying large-scale ionospheric disturbances and HF communication impacts, and are important applications in ionospheric space weather monitoring.

Image of the meteorite Allen Hills 83100 illustrating spectral differences
Posted inEditors' Highlights

Pushing the Limits of IR Spectra: Using Nano-FTIR on Meteorites

by David Trang 16 May 202219 January 2023

A new method, nano-FTIR, is used to examine microstructures and processes on grains, displaying its benefit for examining asteroid returned samples through a meteorite.

Three-dimensional shear wave velocity maps.
Posted inEditors' Highlights

Probabilistic Tomography Delivers Answers to Basic Questions

by Michael Bostock 13 May 202227 January 2023

Fundamental questions on subsurface properties are robustly addressed through probabilistic assessment of multiple forward/inverse modelling formalisms using interrogation theory.

Figures from the paper, showing simulated Ural blocking event.
Posted inEditors' Highlights

Arctic Sea Ice is Crucial for Forecasting Ural Blocking

by Yimin Liu 12 May 202221 December 2022

By solving the nonlinear optimization problem, sea ice concentration in Greenland, Barents and Okhotsk Seas is found crucial for prediction of strong and long-lasting Ural blocking formation.

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Features from AGU Publications

Research Spotlights

Machine Learning Simulates 1,000 Years of Climate

27 August 202527 August 2025
Editors' Highlights

As Simple as Possible: The Importance of Idealized Climate Models

28 August 202526 August 2025
Editors' Vox

Waterworks on Tree Stems: The Wonders of Stemflow

21 August 202520 August 2025
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