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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Movement Metrics of Adult Female Grizzly Bears and Polar Bears Used to Identify Cub Presence with Machine Learning Movement Metrics of Adult Female Grizzly Bears and Polar Bears Used to Identify Cub Presence with Machine Learning
These data represent movement metrics of adult female grizzly bears and polar bears with and without cubs-of-the-year at seven temporal scales after den departure. Grizzly bear data were collected in the Greater Yellowstone Ecosystem during 2000–2021 and in the Northern Continental Divide Ecosystem during 2003–2022. Polar bear data were collected in the Southern Beaufort Sea during 1986...
Southern Beaufort Sea Polar Bear Mark Recapture Data, 2000-2023 Southern Beaufort Sea Polar Bear Mark Recapture Data, 2000-2023
This dataset is one table with data collected and derived from polar bears sampled in Alaska from the Southern Beaufort Sea subpopulation during 2000-2023. Collected data includes individual identity, location of observation, observation type, estimated birth year, and demographic information. Data were collected from polar bears that were captured, remotely sampled using biopsy darts...
Radiochemistry (210Pb and 137Cs) of cores BC01 and BC02 obtained in 2024 off Alameda and Point Isabel in San Francisco Bay, California Radiochemistry (210Pb and 137Cs) of cores BC01 and BC02 obtained in 2024 off Alameda and Point Isabel in San Francisco Bay, California
This data release provides radiochemistry data (210Pb and 137Cs) of two sediment cores, BC01 and BC02, collected during USGS Field Activity 2024-662-FA in 2024 in San Francisco Bay, California, U.S.A., off Alameda and Point Isabel, respectively.
Topographic data, imagery, and GPS data collected during uncrewed aircraft system (UAS) operations at Town Neck Beach, Sandwich, Massachusetts Topographic data, imagery, and GPS data collected during uncrewed aircraft system (UAS) operations at Town Neck Beach, Sandwich, Massachusetts
Small Uncrewed Aircraft Systems (sUAS) were used to collect aerial remote sensing data over Town Neck Beach, a highly trafficked local beach in Sandwich Massachusetts with parking lot, boardwalk, and state maintained sand and vegetation placement. USGS personnel collected natural (RGB) color images, LiDAR, and ground control points starting in December 2023 to support multiple science...
Topographic data, imagery, and GPS data collected during uncrewed aircraft system (UAS) operations at Town Neck Beach, Sandwich, Massachusetts - Imagery Dataset Topographic data, imagery, and GPS data collected during uncrewed aircraft system (UAS) operations at Town Neck Beach, Sandwich, Massachusetts - Imagery Dataset
Small Uncrewed Aircraft Systems (sUAS) were used to collect aerial remote sensing data over Town Neck Beach, Massachusetts. The area is a highly trafficked public beach with parking lot, boardwalk, and renourishment and dune stabilization plan. On October 15th, 2024, USGS personnel collected natural (RGB) color images, lidar, ground control points, check points, and a vegetation height...
Frequency Domain Electromagnetic (FDEM) Geophysical Data Collected near Lake Placid, NY Frequency Domain Electromagnetic (FDEM) Geophysical Data Collected near Lake Placid, NY
This data release contains frequency domain electromagnetic (FDEM) data collected during discrete times between July 2019 to October 2022 near Lake Placid, NY as part of a multi-method effort to monitor the effects of different road salt treatments on groundwater and the surrounding surface water (West Branch Ausable River). The FDEM instrument used was a Geophex GEM-2; a broadband...