Using coupled isotopes, a new study shows that a class of economically important granites are derived by sediment melting without mantle input.
Editors’ Highlights
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Coverage Factors Affect Urban CO2 Monitoring from Space
Orbital mechanics and environmental factors limiting the ability of Orbiting Carbon Observatory missions to collect data in space and time affect city-level monitoring, reporting, and verification goals.
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Kuroshio Intrusions into Luzon Strait Increase Chlorophyll
Using in-situ observational data, scientists reveal that Kuroshio intrusions through the Luzon Strait increase small phytoplankton in the South China Sea.
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High Relief, Low Relief — Glaciers Do It All
Contrary to conventional wisdom that glaciers just carve landscapes, they can also form low-relief surfaces by sheltering rock from erosion, enriching understanding of how mountain landscapes evolve.
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Seasonal Iron Cycle and Production in the Subantarctic Southern Ocean
Long-term monitoring at a site in the subantarctic region south of Australia combined with ship-based observations reveals three distinct phases between cycles of phytoplankton productivity and dissolved iron.
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Creep Cavitation May Lead to Earthquake Nucleation
Ultramylonites, rocks of ultrafine grainsize, bring records of nanometer-scale cavities generated at the base of seismogenic crust along Japan’s largest on‐land fault.
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Rock Solid Augmentation: AI-Driven Digital Rock Analysis
Boosting digital rock images with AI-powered augmentation and quality analysis could improve subsurface engineering decisions.
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Inferring River Discharge from Google Earth Images
Critical flow theory can predict river discharge based on the spacing of standing waves captured by Google Earth images.
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Bringing Storms into Focus
A new study evaluates the performance of kilometer-scale models in predicting large tropical storms, which are key drivers of extreme rainfall and severe weather.
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Revised Emissions Show Higher Cooling in 10th Century Eruption
The associated cooling from the Eldgjá eruption is larger than previously predicted and better matches tree-ring temperature reconstructions based on updated estimated emissions.