Sierra Nevada Research Institute

UC Merced Climate Experts Explain Why March Heat Wave is Dangerous

March 17, 2026

Depicted is the sun in an orange sky framed by palm leaves.

Temperatures in the 90s are nothing new to the northern San Joaquin Valley. But having them in March, as expected this week, is unusual and potentially dangerous. An exceptionally strong ridge of high pressure will bring record-breaking heat to the entire region, the National Weather Service...

Professor’s Novel Mercury-Mapping Project Wins State Grant

Civil and environmental engineering Professor Erin Hestir’s proposal for a unique system of mapping mercury in the waters of the San Francisco Delta has won her and her team of collaborators...

A kneeling woman holds the skull of a saber-toothed cat in front of a chest of drawers containing fossils.

CAREER Award Will Help Professor Predict How Species Respond to Climate Change

Paleoecology Professor Jessica Blois recently became the campus’s 19th recipient of the National Science Foundation (NSF) Faculty Early Career Development Program (CAREER) award. The NSF...

Merced River Helps Explain How Soils Capture and Store Planet-Warming Carbon

Soils are carbon sinks, storing more planet-warming carbon than the atmosphere and all animal and plant life combined. But they can also release massive amounts of stored carbon into the...

Berhe Selected by National Academies to Serve as “New Voice” for Science

The National Academies of Sciences, Engineering and Medicine (NASEM) just announced that they’ve selected Professor Asmeret Asefaw Berhe to serve as an inaugural member of the Academies’...

Sierra Nevada forest tree trunks in a mechanically-thinned forest.

Billions of Gallons of Water Saved by Thinning Sierra Forests

There are too many trees in Sierra Nevada forests, say experts from UC Merced, UC Irvine and the National Park Service working at the National Science Foundation Southern Sierra Critical Zone...

Hart Elected Lifetime Fellow of Ecological Society

Los Cenzontles in Concert at UC Merced

Los Cenzontles (The Mockingbirds), an award-winning band heavily influenced by Mexican folk music, is coming to UC Merced on March 14 for a free concert and a music workshop. Both events are free...

A bird's-eye view of browning forest due to the effects of drought.

Scientists Explain Mechanisms Affecting Runoff Levels During Drought

Scientists at UC Merced’s Sierra Nevada Research Institute (SNRI), UC Irvine, UC Davis and the USDA Forest Service have enumerated the mechanisms that serve as master regulators of streamflow...

Study: Climate Change, Drought Threaten Giant Sequoias

A new study published online in the Journal of Geophysical Research: Biogeosciences finds that the giant sequoia, a fixture of California’s Sierra Nevada forests for the past 2.6 million years...