A decrease in emissions of ozone precursor gases during the COVID-19 economic downturn likely explains the unusual reduction in ozone concentrations observed during the spring and summer of 2020.
Editors’ Highlights
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Reef-Building Corals at Risk from Ocean Warming, Acidification
Physiological limitations on regulating internal chemistry restricts corals’ ability to deal with ocean acidification and warming, thereby reducing resilience to continued environmental change.
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Young Ponds on Mars
A detailed study of evaporite (chloride) deposits on Mars shows that small bodies of surface water persisted until about 2.5 Ga, more recently than previously thought.
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Urbanization and Surface Water Loss Go Together
Mapping surface water loss from satellite data confirms decreases away from urban areas. A simple exponential distance-decay model approximates the impact of urbanization.
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Being Cool is a Slow Ride When You’re a Restored Wetland
Restoring formerly drained peat wetlands can mitigate climate-warming emissions but the reward takes patience.
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Continuity is the Father of Success
Geodetic measurements indicate that Three Sisters Volcano uplifted by almost 300 millimeters in the past 25 years without significant anomalies at the surface.
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Clay Type, Not Just Content, Crucial for Fault Zone Permeability
Faults containing clays are often considered as barriers to fluid flow but new work shows that fault processes leading to the formation of clays can increase permeability relative to the host rock.
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Impact of Assimilating Aeolus Winds on Kelvin Waves
Assimilation of Aeolus winds in the ECMWF analyses and forecasts improves the Kelvin Waves representation and forecasts in the tropical tropopause layer.
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Not All Clays are Made Equal – and it Matters for Hydrology
Soil clay content is an important characteristic that affects many hydraulic and mechanical properties of soil; clay mineral type is important for their prediction.
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El Niño-Southern Oscillation and Radiation Two-Way Coupling
Changes in sea surface temperature during ENSO events and radiation are related, suggesting a two-way coupling between sea surface temperature and radiation in coupled climate variability.