Adding an advanced atmospheric aerosol treatment to a climate model enables assessments of the radiative effects of nitrate aerosols.

Researchers attained a new understanding of how and why the Great Plains low-level jet changes under global warming has implications for future weather in the Central U.S.

The majority of California wildfires from 1984-2017 occurred on hot-dry days, with meteorological conditions contributing to their sizes and changes.

A recently developed laboratory-based technique allows researchers to quantify aerosol absorption from field campaign samples.

Understanding the fundamental relationships between river flow, water exchange, and nutrient cycling can inform ecosystem effects of river regulation.

Researchers developed a strategy for quantifying the numerical errors in global simulations of atmospheric clouds and attributing them to components in the computational model.

Scientists at PNNL and the Confederated Tribes of the Colville Reservation identify acres of spawning habitat in the Upper Columbia River.

By improving the detail in representations of turbulence, researchers can more accurately simulate agricultural soil emissions in the atmosphere.

A new decomposition method allows scientists to unravel the atmosphere-ice-ocean interactions that drive Arctic sea ice changes under increasing carbon dioxide levels.

The persistent double-ITCZ bias in Earth system models influences projections of future precipitation in regions that are already under severe water stress.

Easy-to-use web-based version of the “hector” global climate model emulator now available for researchers and Earth science educators.

Scientists devised a new energetic framework that enables them to decipher the patterns of Asian summer rainfall.

Study says planners need to account for climate impacts on renewable energy during capacity development planning to fully understand investment implications to the power sector.

High school students from across Washington State competed in the Pacific Northwest Regional Science Bowl, hosted online by PNNL, for a chance to advance to the national competition in May.

This is a story of how Nikki Sather's career journey studying the pulse of the Pacific Northwest's ecosystems began with a salmon's heartbeat. Sather currently works as an earth scientist at PNNL's Marine and Coastal Research Laboratory.

Understanding the Earth as a complex, dynamic system includes investigating what happens on, above and below its surface.

A newly proposed selective interference mechanism explains the periodic behavior in the leading oscillation mode in the Southern Hemisphere storm activity.

A new high-spatiotemporal resolution dataset of convective systems allows researchers to better study warm season storms in the U.S.

PNNL’s cultural resources team has worked on Tribal relations projects across the U.S. to navigate potential impacts of complex energy siting efforts.

Merging long-term records of aerosol loading to create a high-quality, useful dataset for a continental site.