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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.

Filter Total Items: 16374

Isotopic data for soil cores collected during 2000 from Sand Lake National Wildlife Refuge, South Dakota Isotopic data for soil cores collected during 2000 from Sand Lake National Wildlife Refuge, South Dakota

A study was conducted to assess the vertical accretion of sediment in the Mud Lake impoundment of Sand Lake National Wildlife Refuge, located in Brown County, South Dakota. Sediment cores were collected from the Mud Lake impoundment during 2000 for determination of vertical accretion rates, which were estimated using cesium-137 and lead-210 isotopic dating techniques. These data directly...
By
Northern Prairie Wildlife Research Center

Using Targeted Training Data to Develop Site Potential for the Upper Colorado River Basin from 2000 - 2018 Using Targeted Training Data to Develop Site Potential for the Upper Colorado River Basin from 2000 - 2018

Defining site potential for an area establishes its possible long-term vegetation growth productivity in a relatively undisturbed state, providing a realistic reference point for ecosystem performance. Modeling and mapping site potential helps to measure and identify naturally occurring variations on the landscape as opposed to variations caused by land management activities or...
By
Earth Resources Observation and Science (EROS) Center

Data for Continental-Scale Dispersal of Antimicrobial Resistant Bacteria by Alaska Landfill-Foraging Gulls Data for Continental-Scale Dispersal of Antimicrobial Resistant Bacteria by Alaska Landfill-Foraging Gulls

This data set includes information on collections of fecal samples from wild gulls (Larus spp.) at seven locations in Alaska, USA. Samples were screened for Escherichia coli (E. coli) and tested for resistance to multiple antibiotics.
By
Alaska Science Center

Continuous gravity data from K?lauea Volcano, Hawai?i Continuous gravity data from K?lauea Volcano, Hawai?i

This Data Release contains continuous gravity records from two instruments on Kilauea Volcano, Hawaiʻ'i the HOVL gravimeter, located on the east rim of Halema'uma'u Crater directly above the 2008-2018 summit eruptive vent, and the PUOC gravimeter, located on northern rim of Puu Oo crater on Kīlauea's East Rift Zone. Both instruments were collocated with GNSS stations. The HOVL gravimeter...
By
Volcano Hazards Program, Volcano Science Center

Zooplankton Survey of the Northern Sacramento-San Joaquin Delta, California, 2016-2018 Zooplankton Survey of the Northern Sacramento-San Joaquin Delta, California, 2016-2018

This data set contains information on zooplankton and associated environmental parameters for sampling conducted in California's northern Sacramento-San Joaquin Delta between May 2016 and April 2018. Macrozooplankton were sampled with horizontal tows (water surface) of a 50 cm-diameter conical plankton net that was 150cm long with 102um mesh. Samples were preserved in the field in 10...
By
California Water Science Center

Science to Inform Management of Floodplain Conservation Lands on the Middle Mississippi River Science to Inform Management of Floodplain Conservation Lands on the Middle Mississippi River

Within large-river ecosystems, floodplains serve a variety of important ecological functions. A recent survey of 80 managers of floodplain conservation lands along the Upper and Middle Mississippi and Lower Missouri Rivers in the central United States found that the most critical information needed to improve floodplain management centered on metrics for characterizing depth, extent...
By
Columbia Environmental Research Center
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