Cometary activity moves sediments over the surface of 67P/Churyumov-Gerasimenko, with long-term sinks near the poles of the comet.
Editors’ Highlights
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Mapeo de la convergencia entre pobladores, pesticidas y áreas protegidas
La exposición a pesticidas puede afectar la salud humana y de los ecosistemas. Una investigación reciente aplica modelos cartográficos en Ecuador, los cuales pueden ser exportados a otras escalas para limitar estos impactos adversos en otras regiones.
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Mapping Intersections of Pesticides, Protected Areas, and People
Pesticide exposures can impact human and ecosystem health, and new research uses a modeling approach applied to Ecuador that can be scaled and exported to limit negative impacts in other regions.
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Using Bayesian Inference to Improve Sediment-Transport Models
A new Bayesian approach is used for the estimation and uncertainty quantification of unobservable parameters required to model tracer evolution in ocean sediment transport and tracer concentrations.
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Tracking Human CO2 Emissions from Medium-Sized Cities
Atmospheric inverse models, combined with observations, successfully tracked modest CO2 emission reductions in Salt Lake City during the first COVID-19 lockdown in 2020.
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Deciphering the History of a Rock’s Crystallization
By combining a phase field function approach with bulk thermodynamics of mineral phases, the thermal history of a rock can now be deciphered from its distribution of mineral phases.
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A New Workflow to Image the 3D Structure of Active Faults
A new approach to illuminate 3D fault structures using earthquake hypocenters may improve our understanding of earthquake propagation and arrest across step overs.
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Simulating the Journey of Pollen in the Atmosphere
A new study couples an emission and transport scheme of pollen from vegetation, and explores pollen’s evolution in different atmospheric conditions and its impacts on clouds and precipitation.
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A New Perspective on Aerosols and Emissions Over Northern China
During 2013-2019, a distinct seasonality for trends of aerosol concentrations and optical properties was found over Northern China.
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Simulating Clouds on Arbitrary Grids in Any Spatial Direction
A new non-column based spectral element implementation of cloud microphysics enables full 3D flexibility in computing clouds and improves computational efficiency.