Granular flows are important in geophysics to the pyroclastic flow, debris flow, and avalanches. Understanding their complex and rich physics is therefore important in simulating their dynamics.
Modeling
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New Proof That Accretion Disks Align with Their Black Holes
In the most detailed and highest-resolution black hole simulation to date, an international team of researchers showed the Bardeen-Petterson effect for the first time.
Posted inEditors' Vox
How Diverse Observations Improve Groundwater Models
Including diverse observations of exchange fluxes, tracer concentrations and residence times in groundwater model calibration results in more robust predictions than using only classical observations.
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Latest Climate Model Points to Hotter Earth
The model’s dire forecast matches those of other leading models.
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Louise H. Kellogg (1959–2019)
Louise Kellogg, an influential solid Earth geodynamicist and leader of the geoscience community, passed away in April.
Posted inEditors' Highlights
Extending the Envelope for Known Safe Locations in Space
When unattached electrons collide with spacecraft, the build-up of electric charge can cause malfunctions, but recent observations model near-Earth regions that are likely safe zones.
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Diagnosing Soil Moisture Impacts on Model Energy Fluxes
Do climate models truthfully mimic how drying soil affects land-surface budget partition?
Posted inResearch Spotlights
Role of Humans in Past Hurricane Potential Intensity Is Unclear
In recent decades, there have been more intense North Atlantic hurricanes. A new study compares climate models to see whether they can attribute increasing potential intensity to human activity.
Posted inResearch Spotlights
Modeling the Subsurface Hydrology of the Greenland Ice Sheet
Firn aquifers—pockets of meltwater beneath the surface of an ice sheet—could have far-reaching impacts on subglacial hydrology, a new study finds.
Posted inEditors' Highlights
Creating Icebergs in Ocean Models Coupled to Ice Shelves
Modeling icebergs as Lagrangian elements held together by numerical bonds provides insights into coupled exchanges of heat, freshwater, and momentum between large icebergs and the ocean.