Filters: Types: Downloadable (X) > partyWithName: U.S. Environmental Protection Agency (X)
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The locations of approximately 26,000 current and historical U.S. Geological Survey (USGS) surface-water monitoring gaging stations have been indexed to the NHDPlus Version 2.1 stream network. Part of the USGS National Water Information System (NWIS), these gaging stations measure water flow and water levels in streams and lakes. The NHDPlus V2 stream network locations for these gaging stations differ from stations' latitude/longitude provided in NWIS. The NWIS coordinates are frequently not coincidenet with the NHDPlus stream network.
Categories: Data;
Types: Citation,
Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Gaging station,
HEM,
Hydro linked data,
Linear referencing,
Linked data,
Climate change is expected to alter the distributions and community composition of stream fishes in the Great Lakes region in the 21st century, in part as a result of altered hydrological systems (stream temperature, streamflow, and habitat). Resource managers need information and tools to understand where fish species and stream habitats are expected to change under future conditions. Fish sample collections and environmental variables from multiple sources across the United States Great Lakes Basin were integrated and used to develop empirical models to predict fish species occurrence under present-day climate conditions. Random Forests models were used to predict the probability of occurrence of 13 lotic fish...
Categories: Data,
Project;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service,
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Tags: 2011,
2011,
2012,
2012,
2013,
Level II and Level III EPA North American Ecoregions within the extent of the sagebrush biome.
Categories: Data;
Types: ArcGIS REST Map Service,
ArcGIS Service Definition,
Citation,
Downloadable,
Map Service;
Tags: Arizona,
Biology,
CRS,
California,
Colorado,
Ecological regions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to serve as a spatial framework for the research, assessment, management, and monitoring of ecosystems and ecosystem components. These general purpose regions are critical for structuring and implementing ecosystem management strategies across international, national, province and state agencies, and nongovernment organizations that are responsible for different types of resources within the same geographical areas.A Roman numeral hierarchical scheme has been adopted for different levels for ecological regions. Level I is the coarsest level, dividing North America...
Categories: Data;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service,
Shapefile;
Tags: Biology,
Conservation,
Conservation NGOs,
Data,
EARTH SCIENCE > LAND SURFACE > LANDSCAPE,
These data contain concentrations of tetrachloroethylene in tree-core samples collected in 2016 by the U.S. Geological Survey. Also contains information on tree species and tree-trunk diameter. These data support the following publication: Wilson, J.L., Limmer, M.A., Samaranayake, V.A., Schumacher, J.G., and Burken, J.G., 2017, Phytoforensics: trees as bioindicators of potential indoor exposure via vapor intrusion: PLoS ONE, v. 13, no. 2. https://doi.org/10.1371/journal.pone.0193247.
Categories: Data;
Types: Citation,
Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: contamination and pollution,
environment,
vegetation
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