Stratospheric ozone depletion between 1979 and 2010 resulted in a slight decrease of ozone in the troposphere during that period despite increased ozone production from anthropogenic emissions.
Global climate models
Posted inResearch Spotlights
Pushing the Computational Limits of Climate Simulation
Researchers apply a superparameterization technique to boost the accuracy and efficiency of climate predictions generated by the Energy Exascale Earth System Model.
Posted inEditors' Highlights
How Does Climate Respond to Different Forcings?
Global temperature responds in the same way to carbon dioxide as it does to methane or aerosol changes if the concept of effective radiative forcing is used to quantify the forcing strength.
Posted inResearch Spotlights
One Step Closer to a Milestone in Climate Modeling
A pair of revisions to the Energy Exascale Earth System Model improves its ability to capture late afternoon and nocturnal rainfall as well as the timing and movement of convection.
Posted inResearch Spotlights
Using Multiple Models to Improve Seasonal Forecasting
The first study to examine the ability of a suite of general circulation models to predict sudden warmings in Earth’s stratosphere highlights the potential for improving Northern Hemisphere forecasts.
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 inScience Updates
The Stratosphere and Its Role in Tropical Teleconnections
Joint SPARC Dynamics and Observations Workshop; Kyoto, Japan, 9–14 October 2017
Posted inEditors' Highlights
Spectral Surface Emissivity Improves Arctic Climate Simulation
Improving the representation of surface emissivity in the Community Earth System Model reduces its Arctic winter cold bias from 7 to 1 Kelvin degree.
Posted inResearch Spotlights
High-Resolution Ocean Model Captures Large-Scale Heat Transport
A lower-resolution model is sufficient to capture air-sea interactions, but a high-resolution model better simulates average sea surface temperatures in the North Atlantic.
Posted inScience Updates
A More Powerful Reality Test for Climate Models
A new climate model evaluation package will deliver objective comparisons between models and observations for research and model development and provide a framework for community engagement.