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A long-term assessment of ecosystem resilience in a protected grassland in the southwest US Canyonlands

A long-term assessment of ecosystem resilience in a protected grassland in the southwest US Canyonlands

In a rare, never-grazed, and undisturbed grassland in the southwest US, researchers conducted a multi-decadal study to assess how a protected...

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Friday's Findings - July 14 2023

Friday's Findings - July 14 2023

Title: New Insight into Past Climate from Clamshell Proxy Records

Speaker: Madelyn J. Mette, Research Geologist, USGS St. Petersburg Coastal and...

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New 2,000-year record of ocean and climate variability in the Beaufort Sea documents recent rapid changes in water mass properties

New 2,000-year record of ocean and climate variability in the Beaufort Sea documents recent rapid changes in water mass properties

Continuous high-resolution marine sediment records that preserve environmental conditions during the late Holocene (the last 3000 years) are unusual...

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USGS looks back 2,000 years to study the relationship between hurricanes and climate

USGS looks back 2,000 years to study the relationship between hurricanes and climate

In recognition of National Hurricane Preparedness Week, which is April 30 to May 6 this year, learn how scientists are looking back thousands of years...

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Marmots do not drink coffee: Human urine contributions to the nitrogen budget of a popular national park destination

Marmots do not drink coffee: Human urine contributions to the nitrogen budget of a popular national park destination

Nitrogen pollution in Rocky Mountain National Park has been monitored and tracked by USGS scientists for decades. Recently, stakeholders in the area...

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The Value of Tree Rings: A Natural History of a Whitebark (Pinus albicaulis) Pine Cross Section

The Value of Tree Rings: A Natural History of a Whitebark (Pinus albicaulis) Pine Cross Section

The tree rings in this whitebark pine (Pinus albicaulis) cross-section provide a view back in time. Scientists study the patterns of tree ring growth...

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New Mexico Landscapes Field Station Research informs Fire Management

New Mexico Landscapes Field Station Research informs Fire Management

Researchers at the New Mexico Landscapes Field Station, part of the Fort Collins Science Center, use tree-ring fire scars as part of a place-based...

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Climate Warming is Likely to Cause Large Increases in Wetland Methane Emissions

Climate Warming is Likely to Cause Large Increases in Wetland Methane Emissions

A new USGS study has big implications for climate change mitigation plans to reduce greenhouse gases in the atmosphere.

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How sea ice, ocean currents, and climate change may have affected early human migration to North America

How sea ice, ocean currents, and climate change may have affected early human migration to North America

Based on paleoclimate records and climate models, researchers have identified the most feasible time periods for early human migrations along the...

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