Mercury is still shrinking as it cools in the aftermath of its formation; new research narrows down estimates of just how much it has contracted.
AGU Advances
Posted inEditors' Highlights
Southern Hemisphere Subtropical Lower Stratosphere is Warming
Warming of the Southern Hemisphere (SH) subtropical lower stratosphere is due to slowing of Brewer-Dobson Circulation, thus cooling the Antarctic lower stratosphere and masking anticipated ozone recovery.
Posted inEditors' Highlights
Why Crop Yield Decreases at High Temperatures
Scientists find that water stress drives the connection between surface temperature and crop yield loss, providing information to help improve predictions of agricultural productivity under climate change.
Posted inResearch Spotlights
Abrupt Climate Shifts Likely as Global Temperatures Keep Rising
A computer vision technique modified to scan climate model data is helping scientists predict where and when rapid climatic shifts will happen in the future.
Posted inEditors' Highlights
Scientists Face Limitations Accessing Seafloor Information
Recent reductions in U.S. oceanographic assets are limiting scientists’ ability to access vital materials in the ocean.
Posted inEditors' Highlights
Midlatitude Storm Dynamics Better Explained by Lagrangian Analysis
Examining the growth of storms using ERA-5 reanalysis data reveals a nonlinear relationship between baroclinicity and storm activity under extreme conditions.
Posted inEditors' Highlights
Defining the Tropopause in Chemical Transport Models
Synthetic tracers are useful in defining the chemically-heterogeneous tropopause in chemical transport models, especially where more traditional gradient-based tropopause methods may be lacking.
Posted inEditors' Highlights
Earth’s Energy Imbalance is Growing Faster Than Expected
Satellite observation of the imbalance between incoming and outgoing radiation in the atmosphere, which causes global warming, shows growth beyond what climate models have predicted.
Posted inEditors' Highlights
The Mid-20th Century Winter Cooling in the Eastern U.S. Explained
A new analysis of historical jet stream behavior reveals that increases in jet stream waviness accounted for 55-71% of winter cooling in the eastern United States from 1958 to 1988.
Posted inEditors' Highlights
Deep Root Respiration Helps Break Down Rocks
The carbon dioxide that results from respiration in and around deep roots is an essential component in the chemical weathering of sandstone rock soils.