Field campaign data shows that biologically-derived emissions largely control the formation of organic aerosol in the Southern Great Plains.

Researchers found that warmer local sea surfaces increase the winter snowpack in the Sierra Nevada mountains, but reduce snowpack in the Cascade range.

Analytical chemist shares passion for STEM, innovation and nuclear fuel

Eleven scientists with PNNL affiliations named as top climate scientists on a Reuters list.

Researchers developed a novel database of global mesoscale convective systems to reveal storm characteristics and rainfall contributions.

Spent nuclear fuel is being recycled to make new fuel through rapid separation and tight control of uranium and plutonium.

PNNL Earth scientist appointed to a committee assembled by the National Academies of Sciences, Engineering, and Medicine.

Researchers used deep learning methods to estimate the subsurface permeability of a watershed from stream discharge measurements.

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.