Data Releases
The data collected and the techniques used by USGS scientists should conform to or reference national and international standards and protocols if they exist and when they are relevant and appropriate. For datasets of a given type, and if national or international metadata standards exist, the data are indexed with metadata that facilitates access and integration.
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Pd Surveillance Sample Storage-Extraction Experiment Data Release Pd Surveillance Sample Storage-Extraction Experiment Data Release
Storage-Extraction_Experiment.csv: These data include the qPCR results (Ct values and copy numbers) of DNA extracted from swab samples inoculated with Pd conidia (1,000, 10,000, or 100,000 conidia), stored at various temperatures (ambient temperature, 4°C, or -20°C), with or without RNAlater® preservative, for various durations (3 days, 1 month, or 3 months), and extracted with either a...
Sediment core radioisotope measurements in coastal wetlands along the Chesapeake Bay Sediment core radioisotope measurements in coastal wetlands along the Chesapeake Bay
Data shows radioisotope measurements (Pb-210 and Cs-137) of sediment cores from four coastal wetlands along the Chesapeake Bay (one core from each site). Cores were sectioned every 1-2 cm depth.
Historical simulated snowpack for the Willow Creek and Big Thompson, Colorado watersheds and vicinity, water years 1994-2023 Historical simulated snowpack for the Willow Creek and Big Thompson, Colorado watersheds and vicinity, water years 1994-2023
This data release contains historical SnowModel outputs for the Willow Creek and Big Thompson, CO watersheds and surrounding area. Simulated outputs were produced on a 30 meter (m) geospatial grid and forced using meteorology from the National Land Data Assimilation System (NLDAS-2). These simulations used daily snow water equivalent (SWE) time-series from 13 National Resources...
Data from Migratory Bird Aerial Surveys and Habitat, Nest Success, and Genetic Samples from Spectacled Eiders (Somateria fischeri) on the Indigirka River Delta, Russia Data from Migratory Bird Aerial Surveys and Habitat, Nest Success, and Genetic Samples from Spectacled Eiders (Somateria fischeri) on the Indigirka River Delta, Russia
This data release contains five spreadsheets of information from aerial surveys of the Indigirka River Delta, Russia, in June of 1993 and 1994, data on habitats where nests of Spectacled Eiders (Somateria fischeri) and other species of waterfowl were observed from 1993 to 1995, and genotypic data from feathers collected from eider nests to determine inter-annual rates of return by...
Synthetic Elevation Checkpoints, North Carolina Synthetic Elevation Checkpoints, North Carolina
These geospatial datasets describe positions, elevations, and uncertainties for synthetic elevation checkpoints generated across the developed coastline of North Carolina. Two datasets are provided as point shapefiles and American Standard Code for Information Interchange (ASCII) tables, and each contains synthetic checkpoints generated using a time series (1996-2018) of digital...
Low-altitude aerial imagery and photogrammetry products from unmanned aerial systems (UAS) flight after the 2018 flood over historic Ellicott City, Maryland Low-altitude aerial imagery and photogrammetry products from unmanned aerial systems (UAS) flight after the 2018 flood over historic Ellicott City, Maryland
Digital imagery was obtained by Elevated Media Concepts LLC from small unmanned aerial systems (UAS), over Historic Ellicott City on June 18, 2018 after major flooding events. The imagery was collected to document and monitor effects of flooding, including property damage and erosion in Ellicott City, Maryland. A DJI Inspire 2 quadcopter with camera model FC6520 and a DJI Mavic Pro...