During 2013-2019, a distinct seasonality for trends of aerosol concentrations and optical properties was found over Northern China.
Editors’ Highlights
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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.
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Modeling Whole Atmosphere Responses to the Hunga-Tonga Eruption
A high-resolution whole atmosphere simulation captures the strong, global responses up to the thermosphere and ionosphere following the Hunga-Tonga volcano eruption.
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A 150-Day Periodicity is Revealed in the Southern Extratropics
An internally generated 150-day periodicity is newly identified in the Southern Hemisphere extratropical large-scale atmospheric circulation, which arises from the annular mode’s propagating regime.
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Send in the Drones: Safely Monitoring Volcanic Gas Emissions
New drone technology was combined with satellite and ground-based data to improve volcanic gas flux monitoring at the remote Bagana Volcano in Papua New Guinea.
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Are Low-Frequency Earthquakes Just Slow Slip?
Tests of seismic attenuation show fluid saturation and high pressure near a seismic source reduce high-frequency content, challenging the idea of slow slip as the cause of low-frequency earthquakes.
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Machine Learning Helps Constrain the Thickness of Ancient Crust
A machine learning model trained using data on the chemical composition of magmatic rocks yields comparable, if not better, results to previously developed geochemical proxies.
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Dust in the (Martian) Wind
The InSight Lander, on Mars, intentionally dumped sand over its seismic instrument’s tether and the wind sorted the particles by size as it blew them away.
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Hand Magnets Destroy the Magnetic Record of Meteorites
Meteorite collectors often use strong magnets for classification, but this approach destroys crucial evidence of processes active in the early solar system.
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A New Look at the Changing Water Cycle Over Land
Whether warming increases or decreases, rain over land depends on the relationship of soil moisture, evaporation, and aridity which shape rain regimes.