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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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Poplar Island Digitizing Poplar Island Digitizing

In order to allow for a comparison across years we visually digitized landcover of Poplar Island from a single image per year at a 1:1000 spatial extent with a minimum mapping unit of 300 square meters (no minimum dimensions aside from area). Images used to assign landcover were provided by the U.S. Army Corps of Engineers and were captured between July and October of their respective...
By
Eastern Ecological Science Center

Data on prairie dog densities, flea abundance, and plague epizootics in Montana and Utah, USA Data on prairie dog densities, flea abundance, and plague epizootics in Montana and Utah, USA

Data on prairie dog densities, flea abundance on prairie dogs, and plague epizootics in Montana and Utah, USA, 2003-2005. Prairie dog species (PDspecies in the data file) included black-tailed prairie dogs (PDs) (BTPD, Cynomys ludovicianus) in north-central Montana, white-tailed PDs (WTPD, Cynomys leucurus) in eastern Utah, and Utah PDs (UPD, Cynomys parvidens) in southwestern Utah...
By
Fort Collins Science Center

Closed depression density in karst regions of the conterminous United States: features and grid data Closed depression density in karst regions of the conterminous United States: features and grid data

Most methods for the assessment of sinkhole hazard susceptibility are predicated upon knowledge of pre-existing closed depressions in karst areas. In the United States (U.S.), inventories of existing karst depressions are piecemeal, and are often obtained through inconsistent methodologies applied at the state or county level and at various scales. Here, we present a first attempt at...
By
National Cooperative Geologic Mapping Program, Western Geographic Science Center

Assembly of satellite-based rainfall datasets in situ data and rainfall climatology contours for the MENA region Assembly of satellite-based rainfall datasets in situ data and rainfall climatology contours for the MENA region

Information on the spatio-temporal distribution of rainfall is very critical for addressing water related disasters, especially in the arid to semi-arid regions of the Middle East and North Africa region. However, availability of reliable rainfall datasets for the region is limited. In this study we combined observation from satellite-based rainfall data, in situ rain gauge observation...
By
Earth Resources Observation and Science (EROS) Center

Geospatial datasets developed for a hydrogeologic conceptual model of brine discharge to the Dolores River, Paradox Valley, Colorado Geospatial datasets developed for a hydrogeologic conceptual model of brine discharge to the Dolores River, Paradox Valley, Colorado

Geospatial datasets were developed to estimate the altitude of the top of bedrock, altitude of the top of the Paradox salt, altitude of the water table in the alluvial aquifer, and the thickness and extent of saturated alluvium in the Paradox Valley in western Colorado. This study was completed by the U.S. Geological Survey (USGS) in cooperation with the Bureau of Reclamation for...
By
Colorado Water Science Center

Fish survey data for Asaph, Straight, Canada and Baldwin Runs, Tioga County, PA, 2012-2017 Fish survey data for Asaph, Straight, Canada and Baldwin Runs, Tioga County, PA, 2012-2017

Fish survey data for four stream in Tioga County Pennsylvania from 2012-2017. Community data based on 2-3 backpack electrofishing passes with individual lengths and weights.
By
Eastern Ecological Science Center
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