Ice cores serve as time‐resolved archives of past atmospheric composition, preserving chemical species deposited through snow accumulation and atmospheric transport. Analyses of ions, trace elements ...

Western North America (WNA) is a regional hotspot for summer heat extremes. However, our understanding of the atmospheric processes driving WNA heatwaves remains largely based on a few case studies.

Communities up and down the West Coast of the United States can expect atmospheric rivers to evolve as the climate warms. But residents in Southern California will see much different changes than ...