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The way trees sway may communicate water stress

The Western U.S. is experiencing periods of increasingly intense drought, and higher temperatures are exacerbating the issue by drawing even more moisture from plants and soils into the atmosphere. The results can be seen in the ever-expanding wildfire footprint, with many of the region's largest recorded wildfires occurring over the past decade. One DRI scientist is innovating a new way to monitor water stress in trees—one that may help monitor wildfire risk across the region.

Aug 12, 2026

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The way trees sway may communicate water stress

The Western U.S. is experiencing periods of increasingly intense drought, and higher temperatures are exacerbating the issue by drawing even more moisture from plants and soils into the atmosphere. The results can be seen in the ever-expanding wildfire footprint, with many of the region's largest recorded wildfires occurring over the past decade. One DRI scientist is innovating a new way to monitor water stress in trees—one that may help monitor wildfire risk across the region.

Phys.org ·

Science

New wildfire research system follows ecosystems from controlled burns through long-term recovery

On a perfect, crisp fall day with blue skies, scientists in yellow safety coats gather in the sprawling desert north of Reno. They watch as flames consume a burning bush and quickly spread through the surrounding grass. The fire is completely controlled and monitored by dozens of sensors as three enormous drones buzz directly overhead, following the curl of smoke as it dances in the light breeze.

Phys.org ·