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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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Nesting Duck Populations in Suisun Marsh, California Nesting Duck Populations in Suisun Marsh, California

This dataset includes apparent nest density (observed nests per hectare of area searched) of mallard (Anas platyrhynchos) and gadwall (Mareca strepera) in Suisun Marsh, California.
By
Western Ecological Research Center (WERC)

Waterbird Nest Abundance in South San Francisco Bay Waterbird Nest Abundance in South San Francisco Bay

This dataset includes nest abundance of American avocets (Recurvirostra americana), black-necked stilts (Himantopus mexicanus), and Forster's terns (Sterna forsteri) in south San Francisco Bay, California by year. It also contains California gull (Larus californicus) hazing research efforts. This dataset was generated from yearly nest monitoring surveys within wetlands in south San...
By
Western Ecological Research Center (WERC)

Habitat Features and Waterbird Abundance and Diversity on Managed Wetlands Enrolled in the California Waterfowl Habitat Program Habitat Features and Waterbird Abundance and Diversity on Managed Wetlands Enrolled in the California Waterfowl Habitat Program

This dataset includes wetland habitat measurements, surrounding land cover metrics, and waterbird abundance and diversity during 240 surveys of 117 individual wetland units enrolled in the California Waterfowl Habitat Program. This dataset was generated from wetland surveys conducted in the Sacramento Valley, San Joaquin Valley, and Suisun Marsh in 2022 and 2023.
By
Western Ecological Research Center (WERC)

Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay River Input Monitoring stations: Water years 1985-2024 Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay River Input Monitoring stations: Water years 1985-2024

Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed were calculated using monitoring data from the Chesapeake Bay River Input Monitoring (RIM) Network stations for the period 1985 through 2024. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach...
By
Chesapeake Bay Activities, Virginia and West Virginia Water Science Center

Landsat Collection 2 temporal cloud truth mask validation set Landsat Collection 2 temporal cloud truth mask validation set

The U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center in Sioux Falls, SD has developed a cloud validation dataset from Collection 2 images throughout the history of Landsat. Two North American locations with high overlap between WRS-1 and WRS-2 were chosen. For each location, 20 images were selected at random from the Landsat archive, with at least one...
By
Earth Resources Observation and Science (EROS) Center, Landsat Missions

Organic Contaminants at Trespass Cannabis Grows on Federal Land in California, USA Organic Contaminants at Trespass Cannabis Grows on Federal Land in California, USA

Despite the legalization of recreational cannabis in California, illegal cultivation persists, particularly on public lands (trespass grows). These operations often divert water unlawfully and apply unauthorized chemical fertilizers and pesticides. This dataset reports the presence, and in some cases concentrations, of persistent chemicals in soil, water, and sediment in nearby streams...
By
California Water Science Center
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