How big might future volcanic eruptions be? Crystals carry information to answer this and machine learning methods can visualize and interpret this multidimensional data.
Editors’ Highlights
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A Step Towards Understanding the Magnetic Properties in Hematite
Scientists present the most comprehensive available magnetic domain state and anisotropy study for synthetic and natural hematite from first-order reversal curve diagrams.
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Running Water on Topographic Data to Better Delineate Channels
Two-dimensional hydraulic simulations are a powerful tool to identify process domains such as channels, hillslopes, and floodplains in high-resolution topographic data.
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An Impact Basin Thermometer for the Moon
Large impact basins on the near side of the Moon lack the annulus of thickened crust that far-side basins have. The difference can be linked to the thermal structure of the lunar crust.
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Adjoint Tomography Illuminates Hikurangi Margin Complexity
Waveform inversion of regional earthquakes reveals velocity anomalies interpreted as subducting seamounts that control an enigmatic segmentation in plate coupling along the Hikurangi margin.
![A 3-D image of the study area of Liu et al. [2022] in Kuuguluk River at Salluit, Nunavik (Quebec), Canada. The image shows the locations of A-A’ and B-B’ and lines C1-5.](https://i0.wp.com/eos.org/wp-content/uploads/2022/04/2021WR031630-Figure-4.png?resize=1200%2C675&ssl=1)
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Why is Permafrost Groundwater Surfacing?
Hydrogeological properties of degrading permafrost come to fruition with a new 3-D modeling study that highlights the increasing role of groundwater in the water cycle of high-latitude areas.
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How Hot Was the Summer of 1783 Really? Trees Tell Tales
Volcanoes, heat waves, and tree rings – getting the seasonal story straight – a new study finds that volcanic fog lowered summer tree ring density despite the heat.
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Life on Mars? Estimating Radiation Risks for Martian Astronauts
New research suggests that to minimize radiation risk for human exploration of Mars, astronauts will need to dig deep for safety.
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Extreme Lithium Isotope Fractionations During Intense Weathering
Extreme lithium fractionation is observed when primary minerals in andesite are transformed to secondary clay minerals and then to oxides with intensive chemical weathering in a tropical climate.
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Hydrologists Should Reconsider How They Calibrate Their Models
A new study suggests that the commonly used split sample approach in hydrology, where time series are divided into a part for model calibration and a part for model validation, should be abandoned.