Every summer, most of the sea ice near Antarctica melts away, but its saltiness leaves a permanent record that scientists can trace back for millennia.
Climate variability
Posted inEditors' Highlights
New Land Surface Air Temperature Global Dataset
The fifth major update of land surface air temperature data from the Climatic Research Unit and the Met Office has extended the time series, included more stations, and used better processing methods.
Posted inEditors' Highlights
New Global Surface Temperature Dataset Spans 170 Years
HadCRUT5, the new version of the Met Office Hadley Centre/Climatic Research Unit global surface temperature dataset from 1850 to 2018, has extended and improved the previous temperature record.
Posted inEditors' Highlights
New Technique to Estimate Climate Sensitivity
Climate sensitivity can be estimated using multiple variables jointly in a multi-component linear regression.
Posted inEditors' Highlights
The Ocean-Land Connection of Droughts
Around 16 percent of large-scale droughts over land originate above the ocean and these types of droughts are more extensive and severe than droughts that originate over land.
Posted inResearch Spotlights
Regional Sensitivities Strongly Affect Modeled Climate Extremes
Analysis of temperature and precipitation extremes in two generations of CMIP climate models revealed similarities in regional climate sensitivities, contrasting with divergent global sensitivities.
Posted inEditors' Highlights
Meiyu: The Dragon Dictating Rainfall Variability in East Asia
According to Chinese myth, rain is water poured out of a dragon; in reality is the Meiyu that dictates rainfall in eastern Asia, producing rain belts jumping from south in spring to north in summer.
Posted inEditors' Vox
Is Climate Variability Organized?
Most climate variability is organized by a simple principle—scaling laws—allowing us to understand past and future climate change.
Posted inEditors' Highlights
Health Concerns from Combined Heat and Pollution in South Asia
Little research has studied the impacts of combined climate conditions. Together, heat events and poor air quality in South Asia amplify the imminent health challenge.
Posted inNews
Drilling into the Past to Predict the Future
Climate change is at the center of a remarkable international drilling operation into Antarctica’s Ross Ice Shelf.