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Explore Search: tree core

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Photography
scientist looking at tree core through microscope

Looking at Tree Cores on Rotary Measuring Stage

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Ponderosa pine tree rings core under microscope

Ponderosa Pine Tree Core

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Field station intern takes a tree core with an increment borer

Tree core collection

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A scientist shows off the tree core he just removed from a tree using an increment borer

Scientist shows off a tree core fresh out of the tree

Photography
Tree cores, about the size of drinking straws, showing tree rings and ready to be analyzed

Tree cores ready for dendrological analysis

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Height, live canopy volume and annual ring widths of cottonwood trees along the Yampa and Green rivers in Dinosaur National Monument and Canyonlands National Park, Colorado and Utah

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Collecting, preparing, crossdating, and measuring tree increment cores

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Does coring contribute to tree mortality?

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Contaminant gradients in trees: Directional tree coring reveals boundaries of soil and soil-gas contamination with potential applications in vapor intrusion assessment

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User’s guide to the collection and analysis of tree cores to assess the distribution of subsurface volatile organic compounds

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Hydrostratigraphy of Tree Island Cores from Water Conservation Area 3

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Concentrations of tetrachloroethylene in tree-core and passive soil-gas samples and interpolated tetrachloroethylene soil data at the Vienna Wells site, Maries County, Missouri, 2011-2016

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Real-Time and Delayed Analysis of Tree and Shrub Cores as Indicators of Subsurface Volatile Organic Compound Contamination, Durham Meadows Superfund Site, Durham, Connecticut, August 29, 2006

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Tetrachloroethylene, trichloroethylene, and 1,1,2-Trichloro-1,2,2-trifluoroethane concentrations in tree-core, groundwater, and soil samples at the Vienna Wells Site: Maries County, Missouri, 2011-2016

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Assessment of subsurface chlorinated solvent contamination using tree cores at the front street site and a former dry cleaning facility at the Riverfront Superfund site, New Haven, Missouri, 1999-2003

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Reassessment of the Upper Fremont Glacier ice-core chronologies by synchronizing of ice-core-water isotopes to a nearby tree-ring chronology

Photography
Man kneels near the base of a charred ponderosa pine, using an increment borer to extract a core

A scientist extracts a core from a charred ponderosa pine

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Influence of surface- and ground-water hydrology on riparian tree growth and mortality in the Limitrophe segment of the Colorado River

Photography
scientists obtaining peat core

Scientists Obtaining Peat Core in Alaskan Bog

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Tree Islands of the Florida Everglades - A Disappearing Resource

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Preliminary use of uric acid as a biomarker for wading birds on Everglades Tree Islands, Florida, United States

science explorer topic
Image shows a woman in a green coat working with a drill core

Core Analysis

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Age and growth of cottonwood trees along the Missouri River, North Dakota

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Chlorinated ethenes from groundwater in tree trunks

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Scientist preparing to drill tree cores in the Sangre de Cristo Mountains, Colorado

Sangre de Cristo Mountains fieldwork

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Paleoecological insights on fixed tree island development in the Florida Everglades: I. environmental controls

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Lassiter Swamp, North Carolina

Lassiter Swamp at Merchants Millpond State Park, NC

Research
USGS Geographer Becky Brice coring tree

Hydroclimate, fire, and human interactions in southwestern US tree ring records

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Relation of nickel concentrations in tree rings to groundwater contamination

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Vapor-phase exchange of perchloroethene between soil and plants

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