Earth Systems Science

From Soil to Climate Solutions: Berhe Leads Sierra Nevada Research Institute into its Next Chapter

September 11, 2025

When Professor Asmeret Asefaw Berhe arrived at UC Merced in 2009, she and her husband, Professor Teamrat Ghezzehei, were leaving major research institutions to join a brand-new campus in California’s Central Valley. It was a leap of faith — one made easier by the Sierra Nevada Research...

Professor Claire Lukens, right, and recent graduate Kolleen Peyakov measure the geochemistry of a rock using an XRF spectrometer.

Lukens’ Latest Research Tracks Sediment’s Journey in the Eastern Sierra

Rocks, from ponderous boulders to tiny grains of sand, are subject to the whims of moisture, weather and time as they tumble from surrounding slopes into rivers, pools and lakes. UC Merced...

A male waterbuck antelope stands knee-deep in receding floodwaters three months after Cyclone Idai made landfall. Three months before this photo being taken, a waterbuck standing in this spot would be totally submerged by Cyclone Idai induced flooding.

Research Team Explores the Effects of Climate Catastrophes on Different Species

How different species of animals respond to extreme weather events — which are increasing because of climate change — appears to be related to body size and habitat preference, a new...

Founding Faculty Member Martha Conklin Bids Farewell to Campus Community

Professor Martha Conklin started her career at UC Merced at the Castle Research Facility, and it began with a frightening surprise. “I had a baby rattlesnake in my office,” she said....

Researcher Studies Effects of Dust on Climate Change

Being able to accurately predict how the climate will change in the future is one of the most important quests of our lifetimes. A key to better prediction is the fundamental understanding of how...

Environmental Research, Working Toward Saving the Planet Among New Bobcat’s Plans

Incoming Bobcat Benji Thier already knows what he wants to do with his college degree: Save the planet. “I am planning to study Environmental Systems Science because I did some environmental...

An artist's rendering of megalodon. Image by Elena Regina, The Australian Museum.

Research Proves Megalodon was Warm-blooded, both an Advantage and an Extinction Factor

Megalodon was the biggest shark in the world — 50 feet long or more — and one of the largest fish ever to exist. It roamed most of the world’s oceans from 23 million to 3.6 million...

UC Merced graduate programs in the natural sciences and engineering are included in the newest U.S. News rankings of 2023-2024 Best Graduate Schools.

UC Merced’s Graduate Programs Rank Among Best in the Nation

UC Merced continues to be recognized nationally, with some programs leaping forward, according to U.S. News & World Report’s 2023-2024 edition of Best Graduate Schools released on April 25...

CREST Center-led Workshops Teach Local Girls About STEM and Careers

Merced-area mothers and their daughters participated in engaging hands-on chemistry projects recently, in two sessions hosted by the U.S. National Science Foundation (NSF)-funded CREST Center for...

Student Researchers Working with National Lab on Mercury Remediation

At UC Merced, mercury is a regional challenge that student and faculty researchers have been tackling for several years. Mercury was used to extract gold during the Gold Rush in California, and the...