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Explore Search: Trends

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publication
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Northwest Forest Plan — The first 25 years (1994–2018): Watershed condition status and trends

publication
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Assessment and significance of the frequency domain for trends in annual peak streamflow

publication
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Climate extremes as drivers of surface-water-quality trends in the United States

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

Monitoring Trends in Burn Severity Thematic Burn Severity Mosaic (ver. 12.0, April 2025)

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

Groundwater level trends for 110 U.S. Geological Survey observation wells in the Delaware River Basin

publication
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Spatial variability in seasonal snowpack trends across the Rio Grande headwaters (1984 - 2017)

publication
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Monitoring the status and trends of the Shenandoah salamander in Shenandoah National Park

Center News
red-tailed hawk soaring, as seen from below

Shared Functional Traits Explain Synchronous Long-Term Trends in Counts of Migratory Raptors

publication
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Strong variation in Brook Trout trends across geology, elevation, and stream size in Shenandoah National Park

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Trends in thermal maturity indicators for the organic sulfur-rich Eagle Ford Shale

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1984–2010 trends in fire burn severity and area for the conterminous US

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Status and trends of land change in selected U.S. ecoregions - 2000 to 2011

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Air- and stream-water-temperature trends in the Chesapeake Bay region, 1960-2014

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Trends in pesticide concentrations and use for major rivers of the United States

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Modeling long-term trends of chlorinated ethene contamination at a public supply well

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Status and trends of the Lake Huron offshore Demersal fish community, 1976-2013

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Historical records, sources, and spatial trends of PCBs along the Rhône River (France).

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Trends in landscape and vegetation change and implications for the Santa Cruz Watershed

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Population trends in northern spotted owls: Associations with climate in the Pacific Northwest

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Trends in nitrogen and phosphorus concentrations in southern New England streams, 1974-92

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Population trends and environmental contaminants in herons in the Tennessee Valley, 1980-81

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Hunting and harvest trends for migratory game birds other than waterfowl: 1964-76

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Status and trends of pelagic and benthic prey fish populations in Lake Michigan, 2022

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Identifying Precipitation and Reference Evapotranspiration Trends in West Africa to Support Drought Insurance

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Quantifying trends in arsenic, nitrate, and dissolved solids from selected wells in Utah

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Unexpected stasis in a changing world: Lake nutrient and chlorophyll trends since 1990

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Status and trends of the Lake Huron offshore demersal fish community, 1976-2015

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Evaluating abundance and trends in a Hawaiian avian community using state-space analysis

Research
Greater sage-grouse lek in central Wyoming

Multi-scale Statewide Wyoming Greater Sage-grouse Trends Determined by Population Viability Analysis

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Streamflow characteristics and trends at selected streamgages in southwest and south-central Kansas

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