Citizen scientists provided images of sub-auroral STEVE (Strong Thermal Emission Velocity Enhancements) showing fine-scale green features with narrow streaks propagating poleward toward STEVE.
AGU Advances
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Groove is in the Fault
Rock sliding experiments on meter scales show groove patterns which are controlled by normal stress. This may help better understand earthquake source conditions from exhumed faults.
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Frequency Dependent Plates
Rocks stretch, break, and flow, depending on how and under which conditions they are loaded. A new formulation to better capture Earth’s rheology is explored in the context of plate thickness.
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More Clustered Clouds Amplify Tropical Rainfall Extremes
Both satellite observations and model simulations reveal that more aggregated convection amplifies the increase in extreme rainfall events on a year-to-year basis.
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Earthquake Hazard Hanging in the Balance
Earthquake hazard calculations for California’s coast are refined with a view of precariously balanced rocks that would have fallen if the largest predicted shaking happened in the past 20,000 years.
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Ensemble Modeling of Coronal Mass Ejection Arrival at 1 AU
Heliospheric imaging data can be used in ensemble modeling of CME arrival time at Earth to improve space weather forecasts, treating the solar wind as a 1-D incompressible hydrodynamic flow.
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What the Upper Ocean Looks Like During a Hurricane and Why It Matters
High-resolution measurements reveal the structure of the upper ocean under a hurricane and its feedback on storm intensity.
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Measuring Paleoclimate During a Deep-Time Deep Freeze
New application of clumped-isotope thermometry to 700-Myr rocks documents large climate swings related to Snowball Earth glaciation and offers better understanding of an earlier Earth system.
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Committed U.S. Power Emissions Incompatible with Paris Agreement
Without a significant reduction in usage, committed emissions from coal and gas plants in the United States are already incompatible with the country’s pledges under the Paris climate agreement.
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Can We Observe How Cloud Clustering Affects the Radiation Budget?
Satellite observational analysis confirms that lower-atmospheric stability and cloud clustering are major factors modulating the tropical radiation budget that had been suggested by modeling studies.