Data scarcity of traditional observations cannot reveal whether surface temperature capture the potential for urban heat stress. This study improves the dataset with 40,000 citizen weather stations.
AGU Advances
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A Really Big (Global) Splash at Chicxulub
What caused a tsunami 30,000 times more powerful than the December 26, 2004 Indian Ocean tsunami? A new modeling study says this was one of the results from the Cretaceous Chicxulub asteroid impact.
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Origin of Dawnside Subauroral Plasma Flows in Geomagnetic Storms
Geomagnetic storms induce fast plasma flows next to the aurora and affect space weather. Lin et al. explain the origin of a special “dawnside” plasma stream that occurs only during extreme storm events.
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Why Does It Rain So Much Over Tropical Land?
Analyses of observations show that tropical land receives more rain than its fair share, owing to a proposed negative feedback that is not captured in current climate models.
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The Long-Lasting Impact of a Nuclear War on the Ocean
Model simulations of the impact of a large-scale nuclear war reveal long lasting effects with much of the ocean not returning to pre-war levels despite the cessation of the initial cooling.
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Oceans Warming Increases Xinjiang’s Precipitation, but Scarcity Stays
A transition toward an unusually wet condition due to ocean surface warming-induced increased precipitation will not alleviate the water scarcity risk in Xinjiang, China.
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New Tool to Decipher Past Upper Troposphere Temperatures
Small variations in clumped O2 isotopes reflect temperatures in the upper troposphere. Bubbles measured in polar ice cores show the global lapse-rate appears to steepen during the Last Glacial Maximum.
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A Burning Issue
California has lost 7% of its forest cover to climate change over the past 25 years.
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Ceres: Missing Craters, Crust Thickness Variation by Interior Convection
Models show that several puzzling features about Ceres’ topography, gravity anomalies, and crater size distribution may be explained by asymmetric hemispherical convection due to radiogenic heating.
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Zircons and Plate Tectonics
New data on ancient zircons points to a transition from stagnant lid to subduction style tectonics at 3.6 Ga ago.