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.
Editors’ Highlights
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Temperature Extremes: Exploring the Global Outbreak
Using cutting-edge observations, reanalyses, and climate models, a new study projects the outbreak of temperature extremes over new global areas by 2100.
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Impacts by Moving Gravel Cause River Channels to Widen or Narrow
A new analytical model describes how the amount and grain size of sediment transported by rivers influences bedrock channel width, which can be used to predict where rivers will widen or narrow.
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Order in Turbulence
Extracting order from turbulence is difficult, even under the most idealized conditions. A new scaling theory quantifies how eddies influence temperature gradients in geophysical turbulence.
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Satellite Estimates for Hydroclimatic Extremes
A new study corrects poor-performing satellite-based rainfall estimates with gauge data and also fills gauge data gaps using well-performing satellite-based rainfall estimates.
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Revealing How Rock Glaciers Respond to Climate Change
Detailed measurements of the geometry and flow of Laurichard rock glacier over 67 years reveal the distinctive behavior of these landforms through periods of warming and cooling.
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A Novel Thermobarometer to Infer Mantle Melting Conditions
The algorithm RevPET automatically reverses the complex multi-phase fractional crystallization path of oceanic basalts and offers new perspectives for advancing mantle thermobarometry.
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Himalayan Tectonics in the Driver’s Seat, Not Climate?
Earth’s oscillating climate is a natural guess to explain cyclic patterns in erosion, but new sediment data suggests that cyclicity may emerge from tectonic processes adding material to the Himalaya.
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Bottom-up Meets Top-down Estimates of Wetland Methane Emissions
An innovative integration of models and satellite observations indicates weak temperature sensitivity of CH4 emissions from tropical wetlands, but temperature sensitivity is high at higher latitudes.
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Coupled Mechanisms of Fluid Transport Across the Crust
Magmatic fluid moves up in the ductile zone through porosity waves, accumulates in high-porosity lenses, and migrates across the brittle zone in a convection pattern involving also meteoric fluid.