Infrared emissions from nitric oxide and carbon dioxide in Earth’s upper atmosphere, which are closely tied to incoming solar radiation, are drastically lower than in the previous solar cycle.
Geophysical Research Letters
Posted inResearch Spotlights
Through Flood and Drought: Reconstructing the Yellow River
Tree ring chronologies fill in gaps in the historical record and offer insights into the natural flow of China’s Yellow River.
Posted inEditors' Highlights
Imaging an Earthquake Rupture in High Definition
New field measurements using terrestrial laser scanning provide a detailed, centimeter-scale image of surface deformation patterns caused by the Magnitude 6.6 earthquake in Norcia, Italy.
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Sea-Surface Carbon Patterns Linked to Large-scale Climate Modes
A new 34-year global time series of observed sea surface partial pressure of CO2 links regional variation to major climate modes.
Posted inResearch Spotlights
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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How Do Main Shocks Affect Subsequent Earthquakes?
The results of a novel analysis of aftershock size distribution have important implications for more realistically assessing the seismic hazard of earthquake sequences.
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A Simplified Model of Water Vapor Exchange in the Amazon
Evapotranspiration is the exchange of water vapor between land and the atmosphere, and it is hard to measure and model. A new study shows promise for its estimation over large, vegetated landscapes.
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A Better Understanding of Tropical Cyclones
A new model of how anvil clouds form could improve short-term hurricane forecasts.
Posted inResearch Spotlights
Topography and Microclimate Shape Tree Ring Growth
Wizened bristlecone pines in California reveal past climate trends, and new research shows how slight variations in landscape position drive different growth patterns in trees’ annual rings.
Posted inEditors' Highlights
Wrinkles and Bumps in the Gulf Stream
Observations of tiny vortices in the ocean interior provide hints of a dynamic richness of the deep ocean that we are yet to fully appreciate.