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Filter Total Items: 13347

Lifespan of Massachusetts salt marsh units

Lifespan of salt marshes in Massachusetts (MA) are calculated using conceptual marsh units defined by Ackerman and others (2022). The lifespan calculation is based on estimated sediment supply and sea-level rise (SLR) predictions after Ganju and others (2020). Sea level predictions are local estimates which correspond to the 0.3, 0.5, and 1.0 meter increase in Global Mean Sea Level (GMSL) scenario

Continuous meteorological and soil data to support understanding of nutrient and sediment loads from overland and subsurface-tile flow at paired edge-of-field agricultural sites, 2015–21, Black Creek watershed, near Harlan, Indiana, USA

This data release includes meteorological and soil information collected from calendar years 2015 to 2021 (water years 2016 to 2021) that include air temperature, soil temperature, soil moisture and solar radiation monitored at a site in the Black Creek subwatershed near Harlan, Allen County, Indiana (USGS 411228084541703 MET STATION WEST OF BULL RAPIDS RD NR HARLAN, IN). Meteorological and soil m

Shakemap Atlas Composite Dataset for the Conterminous United States from 1906 to 2020

Composite of Shakemap Atlas ground motions (PGA and PGV) and intensity calculations at a scale of 10km. Time history at each grid cell and maximum observed/estimated hazards are provided.

Long-term effects of timber harvest on vernal pool availability and occupancy of two obligate amphibians

This data set is comprised of 3 files of information collected on amphibians and vernal pool habitats at Canaan Valley National Wildlife Refuge from 2004 - 2016.

Abiotic and biotic factors reduce viability of a high-elevation salamander in its native range

Includes data used to estimate population demographic parameters for an exemplary high-elevation amphibian species, the federally endangered Shenandoah salamander (Plethodon shenandoah). These parameters were entered into a Markov projection model which we used to forecast the future population status of the Shenandoah salamander.

Borehole data for pre-Middle Jurassic basement rocks beneath the Atlantic and Gulf Coastal Plains, Florida and Alabama

Data from 316 boreholes (including coreholes) that penetrated buried pre-Middle Jurassic basement rocks that lie beneath Atlantic and Gulf Coastal Plain sedimentary deposits in Florida and Alabama were compiled from non-proprietary, mostly published sources in order to support subsurface geologic mapping, geologic interpretation of geophysical data (aeromagnetic, gravity, seismic), topical studies

Protected Areas Database of the United States (PAD-US) 3.0 - World Database on Protected Areas (WDPA) Submission

The United States Geological Survey (USGS) - Science Analytics and Synthesis (SAS) - Gap Analysis Project (GAP) manages the Protected Areas Database of the United States (PAD-US), an Arc10x geodatabase, that includes a full inventory of areas dedicated to the preservation of biological diversity and to other natural, recreation, historic, and cultural uses, managed for these purposes through legal

Student Network for Amphibian Pathogen Surveillance Data (ver. 2.0, April 2024)

Data in this dataset were collected as a part of the Student Network for Amphibian Pathogen Surveilance (SNAPs) program throughout the United States by undergraduate students in biology or ecology courses as a part of their curriculum throughout 2022. This data was collected in the field by students and sent to the USGS National Wildlife Health Center (NWHC) for testing of two amphibian fungal pat

Zircon U-Pb data for Proterozoic rocks in southwestern Colorado and rocks from drill core from Wyoming, Montana, and Nebraska

This U.S. Geological Survey (USGS) data release provides U-Pb zircon data and geochronology for Proterozoic rocks in the Needle Mountains of southwestern Colorado and for Proterozoic rocks sampled from drill cores from Wyoming, Montana, and Nebraska. Samples from the Needle Mountains were collected in order to constrain the polyphase tectonic evolution of the area. Drill core samples are part of a

Evansville Urban Seismic Hazard Maps, v2010

Evansville, Indiana has a dense urban population near faults capable of producing major earthquakes. A high probability of a moderate earthquake in the near future (e.g., a 25–40% probability of a magnitude 6.0 or greater in the next 50 years) from the New Madrid seismic zone, and more moderate probability of a similar-sized earthquake in the Wabash Valley, coupled with relatively low regional att

Data for laboratory experiments conducted with the caddisflies Hydropsyche californica and Arctopsyche grandis to derive copper and cadmium bioaccumulation parameters

This USGS data release includes data from experiments conducted with two species of caddisflies (Hydropsyche californica and Arctopsyche grandis (Order: Trichoptera) to quantify copper and cadmium uptake and loss after dissolved and dietary exposures. Both Arctopsyche and Hydropsyche belong to the family Hydropsychidae (O: Trichoptera). They are relatively sessile, net-spinning filter feeders. Dat
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