This is the first paleoclimate record of precipitation near Atacama’s hyperarid core and suggests that its moisture source is different from that of the Andes.
temperature
Posted inResearch Spotlights
Late Cretaceous Extreme Warmth at High Southern Latitudes
New proxy data indicate sea surface temperatures at high southern latitudes reached over 35°C during a period of extreme greenhouse climate that began about 100 million years ago.
Posted inEditors' Highlights
3D Radiation-Topography Interaction Warms Up Tibetan Plateau
3-D radiation-topography interaction, which can increase the sunlight absorption by the surface, is missing in all climate models, causing strong cold biases over the Tibetan Plateau.
Posted inResearch Spotlights
How Yellowing Seas Will Affect Ocean Temperatures
Materials that trap solar heat at the sea surface could cause more extreme temperatures.
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Are Soil Moisture and Latent Heat Overcoupled in Land Models?
A novel statistical approach demonstrates how to reduce bias in remote sensing estimates of soil moisture and latent heat flux coupling strength and clarifies the relationship between the variables.
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Ocean Warming Resumes in the Tropical Pacific
The discovery of a decadal El Niño–like state associated with shifts in the Pacific trade winds could have important implications for predicting sea level in future decades.
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What Drives Temperature Inversions in the Mesosphere?
A study of nightglow over India reveals that gravity waves are less important than previously thought.
Posted inEditors' Highlights
Improving Retrievals for Vertically Inhomogeneous Warm Clouds
Cloud droplet size changes with height, but passive sensors are virtually blind to see it; however, combining passive with active sensors helps profile it in vertically inhomogeneous warm clouds.
Posted inResearch Spotlights
Improving Estimates of Long-Term Climate Sensitivity
New modeling casts doubt on the suitability of running experiments with fixed sea surface temperatures to understand the effects of cloud aggregation on Earth’s climate.
Posted inResearch Spotlights
Rising Temperatures Reduce Colorado River Flow
Hotter conditions have played a much greater role in reducing flow during the ongoing Millennium Drought than in a mid-20th century drought.