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Elevation artifacts in digital bathymetric and topographic models for United States east (east_cdem_v1.tif) and west (west_cdem_v.tif) coasts (polygon shapefile, geographic, NAD83) Investigations of coastal change and coastal resources often require continuous elevation profiles from the seafloor to coastal terrestrial landscapes. Differences in elevation data collection in the terrestrial and marine environments result in separate elevation products that may not share a vertical datum. This data release contains the assimilation of multiple elevation products into a continuous digital elevation model at a resolution of 3-arcseconds (approximately 90 meters) from the terrestrial landscape to the seafloor for the contiguous U.S., focused on the coastal interface. All datasets were converted to a consistent horizontal datum, the North American Datum of 1983, but the native vertical datum for... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alabama, CMGP, California, Canadian Hydrographic Service, Chesapeake Bay, All tags... Coastal and Marine Geology Program, Connecticut, DEM, Delaware, Depth, Florida, Florida Keys, Georgia, Gulf of Maine, Gulf of Mexico, Long Island, Louisiana, Maine, Maryland, Massachusetts, Middle Atlantic Bight, Mississippi, NED, NOAA, National Oceanic and Atmospheric Association, New England, New Jersey, New York, North Carolina, Northwestern Atlantic Ocean, Oregon, Puget Sound, South Atlantic Bight, South Carolina, Texas, U.S. Geological Survey, USGS, United States, Vector data, Virginia, WHCMSC, Washington, Woods Hole Coastal and Marine Science Center, digital elevation models, geoscientificInformation, land surface characteristics, oceans, Fewer tags PeakFQ output files for selected streamflow gaging stations operated by the U.S. Geological Survey in the New England region that were used to estimate regional skewness of annual peak flows "NewEngland_pkflows.PRT" is a text file that contains results of flood-frequency analysis of annual peak flows from 186 selected streamflow gaging stations (streamgages) operated by the U.S. Geological Survey (USGS) in the New England region (Maine, Connecticut, Massachusetts, Rhode Island, New York, New Hampshire, and Vermont). Only streamgages in the region that were also in the USGS "GAGES II" database (https://water.usgs.gov/GIS/metadata/usgswrd/XML/gagesII_Sept2011.xml) were considered for use in the study. The file was generated by combining PeakFQ output (.PRT) files created using version 7.0 of USGS software PeakFQ (https://water.usgs.gov/software/PeakFQ/; Veilleux and others, 2014) to conduct flood-frequency... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bayesian regression, Bulletin 17B, Connecticut, EMA, Expected Moments Algorithm, All tags... Great Lakes Region - 2-digit Hydrologic Unit Code - 04, Maine, Massachusetts, Mid-Atlantic Region - 2-digit Hydrologic Unit Code - 02, New England Region - 2-digit Hydrologic Unit Code - 01, New Hampshire, New York, PeakFQ, Rhode Island, Vermont, flood frequency, regional skew, Fewer tags Conservation Easements Along the Housatonic River Using funds from an NRDAR settlement, FWS obligated $557,810 ($2011) to TNC of Massachusetts for the purchase of permanent conservation easements on approximately 200 acres of riparian lands along the Housatonic River in Salisbury, Connecticut. Conservation of riparian habitat will help to (1) protect water quality; (2) protect nesting habitat for migratory songbirds and other wildlife, including several rare and endangered plants, turtles, salamanders and dragonflies; and (3) maintain the scenic, agrarian character of the region. These efforts provide a beneficial tradeoff from the harm to the river and associated wildlife caused by historical polychlorinated biphenyls (PCBs) contamination. Economic Impacts of... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Amphibians, Bank stabilization/erosion control, Birds, Connecticut, Farmland Preservation, All tags... Federally threatened or endangered species, Fish and Wildlife Service (FWS), Habitat-based, Natural processes and hazards, Perennial stream/river, Reptiles, Riparian restoration, Species protection, The Nature Conservancy, The Nature Conservancy, U.S. Fish and Wildlife Service, Fewer tags South Dakota: NFHAP 2010 HCI Scores and Disturbances This shapefile contains landscape factors representing human disturbances summarized to local and network catchments of river reaches for the state of South Dakota. This dataset is the result of clipping the feature class 'NFHAP 2010 HCI Scores and Human Disturbance Data for the Conterminous United States linked to NHDPLUSV1.gdb' to the state boundary of South Dakota. Landscape factors include land uses, population density, roads, dams, mines, and point-source pollution sites. The source datasets that were compiled and attributed to catchments were identified as being: (1) meaningful for assessing fish habitat; (2) consistent across the entire study area in the way that they were assembled; (3) representative of... Categories: Data; Types: ArcGIS REST Map Service, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Anthropogenic factors, Aquatic habitats, Atlantic Coast FHP, Catchment areas, Connecticut, All tags... DC, Delaware, Environmental conditions, Florida, Georgia, Habitat suitability, Inland water environments, Landscape ecology, Linked to the National Hydrography Dataset Plus (1:100,000), Maine, Maryland, Massachusetts, National Assessment Data, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, River basins, Rivers, South Carolina, Spatial Data, Stream Characterization, Streams, Vermont, Virginia, Water quality measurement, West Virginia, Fewer tags Georgia: NFHAP 2010 HCI Scores and Disturbances This shapefile contains landscape factors representing human disturbances summarized to local and network catchments of river reaches for the state of Georgia. This dataset is the result of clipping the feature class 'NFHAP 2010 HCI Scores and Human Disturbance Data for the Conterminous United States linked to NHDPLUSV1.gdb' to the state boundary of Georgia. Landscape factors include land uses, population density, roads, dams, mines, and point-source pollution sites. The source datasets that were compiled and attributed to catchments were identified as being: (1) meaningful for assessing fish habitat; (2) consistent across the entire study area in the way that they were assembled; (3) representative of conditions... Categories: Data; Types: ArcGIS REST Map Service, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Anthropogenic factors, Aquatic habitats, Atlantic Coast FHP, Catchment areas, Connecticut, All tags... DC, Delaware, Environmental conditions, Florida, Georgia, Habitat suitability, Inland water environments, Landscape ecology, Linked to the National Hydrography Dataset Plus (1:100,000), Maine, Maryland, Massachusetts, National Assessment Data, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, River basins, Rivers, South Carolina, Spatial Data, Stream Characterization, Streams, Vermont, Virginia, Water quality measurement, West Virginia, Fewer tags Louisiana: NFHAP 2010 HCI Scores and Disturbances This shapefile contains landscape factors representing human disturbances summarized to local and network catchments of river reaches for the state of Louisiana. This dataset is the result of clipping the feature class 'NFHAP 2010 HCI Scores and Human Disturbance Data for the Conterminous United States linked to NHDPLUSV1.gdb' to the state boundary of Louisiana. Landscape factors include land uses, population density, roads, dams, mines, and point-source pollution sites. The source datasets that were compiled and attributed to catchments were identified as being: (1) meaningful for assessing fish habitat; (2) consistent across the entire study area in the way that they were assembled; (3) representative of conditions... Categories: Data; Types: ArcGIS REST Map Service, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Anthropogenic factors, Aquatic habitats, Atlantic Coast FHP, Catchment areas, Connecticut, All tags... DC, Delaware, Environmental conditions, Florida, Georgia, Habitat suitability, Inland water environments, Landscape ecology, Linked to the National Hydrography Dataset Plus (1:100,000), Maine, Maryland, Massachusetts, National Assessment Data, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, River basins, Rivers, South Carolina, Spatial Data, Stream Characterization, Streams, Vermont, Virginia, Water quality measurement, West Virginia, Fewer tags National Fish Habitat Action Plan (NFHAP) 2010 HCI Scores and Human Disturbance Data (linked to NHDPLUSV1) for Desert Fish Habitat Partnership This shapefile contains landscape factors representing human disturbances summarized to local and network catchments of river reaches for the Desert Fish Habitat Partnership. This dataset is the result of clipping the feature class 'NFHAP 2010 HCI Scores and Human Disturbance Data for the Conterminous United States linked to NHDPLUSV1.gdb' to the boundary of the Desert Fish Habitat Partnership. Landscape factors include land uses, population density, roads, dams, mines, and point-source pollution sites. The source datasets that were compiled and attributed to catchments were identified as being: (1) meaningful for assessing fish habitat; (2) consistent across the entire study area in the way that they were assembled;... Categories: Data; Types: ArcGIS REST Map Service, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Anthropogenic factors, Aquatic habitats, Atlantic Coast FHP, Catchment areas, Connecticut, All tags... DC, Delaware, Environmental conditions, Florida, Georgia, Habitat suitability, Inland water environments, Landscape ecology, Linked to the National Hydrography Dataset Plus (1:100,000), Maine, Maryland, Massachusetts, National Assessment Data, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, River basins, Rivers, South Carolina, Spatial Data, Stream Characterization, Streams, Vermont, Virginia, Water quality measurement, West Virginia, Fewer tags Basin polygons and characteristics, site information, results of flood-frequency analysis, and results of Bayesian weighted least-squares / Bayesian generalized least-squares (B-WLS/B-GLS) analysis for 183 streamgages operated by the U.S. Geological Survey in parts of hydrologic unit 02 in eastern New York and Pennsylvania and the surrounding states of Connecticut, Maryland, Massachusetts, New Jersey, Vermont, Virginia, and West Virginia This dataset is a geographic information systems shapefile containing basin polygons, site information, basin characteristics, results of flood-frequency analysis, and results of Bayesian weighted least-squares / Bayesian generalized least-squares (B-WLS/B-GLS) analysis for 183 streamflow gaging stations (streamgages) operated by the U.S. Geological Survey (USGS) in parts of hydrologic unit 02 (mid-Atlantic region) in eastern New York and Pennsylvania and the surrounding states of Connecticut, Maryland, Massachusetts, New Jersey, Vermont, Virginia, West Virginia that were used to estimate regional skewness of annual peak flows. Bayesian weighted least-squares / Bayesian generalized Least-Squares (B-WLS/B-GLS) regression... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bayesian regression, Connecticut, Maryland, Massachusetts, Mid-Atlantic Region - 2-digit Hydrologic Unit Code - 02, All tags... New Jersey, New York, Pennsylvania, Vermont, Virginia, West Virginia, basin characteristics, regional skew, Fewer tags Airborne Electromagnetic (AEM) Survey Inventory The U.S. Geological Survey (USGS) has been engaged in airborne electromagnetics (AEM) since the 1970s, playing a role in the development of early acquisition systems, developing calibration methods, refining standards for data acquisition, improving data processing, modeling, and interpretation methods, and expanding the range of AEM applications. However, USGS AEM survey visibility and data accessibility has not advanced as rapidly as our use of the technique. This data release catalogs AEM surveys in the United States that have contributed to studies under USGS programs including Water, Geologic Mapping, Minerals, Energy, Environmental Health, Ecosystems, Hazards, and Climate. This dataset contains locations for... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alabama, Arizona, Arkansas, California, Colorado, All tags... Connecticut, Delaware, Florida, Geophysics, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, USGS Science Data Catalog (SDC), United States, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, electromagnetic surveying, frequency-domain, geophysics, geoscientificInformation, geospatial datasets, resistivity, time-domain, Fewer tags Compilation of Geologic and Seismic Velocity Characteristics at Advanced National Seismic System Strong Motion Accelerometer Sites Near-surface site characteristics are critical for accurately modeling ground motion, which in turn influences seismic hazard analysis and design of critical infrastructure. Currently, there are many strong motion accelerometers within the Advanced National Seismic System (ANSS) that are missing this information. We use a Geographic Information Systems (GIS) based framework to intersect the site coordinates of approximately 5,500 ANSS accelerometers located throughout the United States and its territories with geology and velocity information. We consider: (1) surficial geology from digitized geologic maps (Horton, 2017; Wilson et al., 2015; Sherrod et al., 2007; Bawiec, 1999; Saucedo, 2005; Bedrossian et al., 2012;... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ANSS, Alabama, American Samoa, Arizona, Arkansas, All tags... California, Colorado, Connecticut, Delaware, Florida, Geography, Geophysics, Georgia, Guam, Idaho, Illinois, Indiana, Information Sciences, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Remote Sensing, Rhode Island, Seismic site characteristics, Seismology, Soil Sciences, South Carolina, South Dakota, Strong Motion, Structural Geology, Tennesee, Texas, USGS Science Data Catalog (SDC), United States, Utah, Vermont, Virginia, Vs30, Washington, West Virginia, Wisconsin, Wyoming, earthquake seismology, seismic stations, vs30 measurements, vs30 proxy, Fewer tags Nitrogen Loads, Yields, and Associated Field Data Collected During Baseflow Conditions and Site Attributes for Small Basins Draining to Long Island Sound During the spring and summer of 2022, the U.S. Geological Survey collected water-quality samples for nutrient analysis at 45 stations across the state of Connecticut and adjacent areas of New York and Rhode Island to better understand the groundwater discharge component of nitrogen loading to the Long Island Sound. The targeted stations were located in small drainage basins (less than 50 square kilometers) in the southern portion of the Long Island Sound watershed. Sites were selected randomly from groups based on expected drivers or controls on baseflow nitrogen loads. Factors used in the grouping included four metrics calculated for the upstream watershed: percent impervious cover, septic system density, percent... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Connecticut, Connecticut Coastal, Hydrology, Long Island Sound, New York, All tags... Rhode Island, USGS Science Data Catalog (SDC), Water Quality, Water Resources, groundwater and surface-water interaction, inlandWaters, nitrogen, nutrient content (water), stream discharge, Fewer tags Ports of the United States This map layer shows major ports in the United States, Puerto Rico, and the U.S. Virgin Islands. A port is a city, town, or urban area with a harbor where ships load or unload. This is a revised version of the July 2012 map layer. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Academics & scientific researchers, Alabama, Arizona, Arkansas, California, All tags... Colorado, Connecticut, Conservation NGOs, Data, Delaware, District of Columbia, EARTH SCIENCE > HUMAN DIMENSIONS > INFRASTRUCTURE > TRANSPORTATION, Federal resource managers, Florida, Georgia, Harbors, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, LCC Network Science Catalog, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Ports, Puerto Rico, Regional & county planners, Rhode Island, South Carolina, South Dakota, State agencies, Tennessee, Texas, Transportation, U.S. Virgin Islands, US, United States, Utah, Vermont, Virgin Islands, Virginia, Washington, West Virginia, Wisconsin, Wyoming, completed, transportation, Fewer tags National Wetlands Inventory - Wetlands This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate the areal extent of wetlands and surface waters as defined by Cowardin et al. (1979). Certain wetland habitats are excluded from the National mapping program because of the limitations of aerial imagery as the primary data source used to detect wetlands. These habitats include seagrasses or submerged aquatic vegetation that are found in the intertidal and subtidal zones of estuaries and near shore coastal waters. Some deepwater reef communities (coral or tuberficid worm reefs) have also been excluded from the inventory. These habitats, because of their... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Alabama, Alabama, Alaska, Arizona, All tags... Arkansas, California, Coastal waters, Coastal waters, Colorado, Connecticut, Conservation NGOs, Data, Deepwater habitats, Deepwater habitats, Delaware, District of Columbia, EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > AQUATIC ECOSYSTEMS > WETLANDS, Federal resource managers, Florida, Florida, Floridia, Georgia, Guam, Hawaii, Hydrography, Hydrography, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, LCC Network Science Catalog, Louisiaina, Louisiana, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Mississippi, Missouri, Montana, NWI, NWI, National Wetlands Inventory, National Wetlands Inventory, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Regional & county planners, Rhode Island, Saipan, South Carolina, South Dakota, State agencies, Surface water, Surface water, Swamps, marshes, bogs, fens, Swamps, marshes, bogs, fens, Tennessee, Texas, Texas, U.S. Fish and Wildlife Service, U.S. Fish and Wildlife Service, USFWS, USFWS, United States, Utah, Vermont, Virgin Islands, Virginia, Washington, West Virginia, Wetlands, Wetlands, Wisconsin, Wyoming, completed, environment, environment, geoscientificInformation, geoscientificInformation, inlandWaters, inlandWaters, oceans, oceans, Fewer tags American woodcock 2080 conductance This dataset represents the connections between each nearby pair of 2080 cores for American woodcock. It is intended to highlight areas important for connecting cores and to visually represent the connections among refugia cores. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Connecticut, Delaware, District of Columbia, Maine, Maryland, All tags... Massachusetts, New Hampshire, New Jersey, New York, North America, Pennsylvania, Rhode Island, United States, Vermont, Virginia, West Virginia, environment, farming, Fewer tags Blackburnian warbler 2020 conductance This dataset represents the connections between each nearby pair of 2020 cores for Blackburnian warbler. It is intended to highlight areas important for connecting cores and to visually represent the connections among cores. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Connecticut, Delaware, District of Columbia, Maine, Maryland, All tags... Massachusetts, New Hampshire, New Jersey, New York, North America, Pennsylvania, Rhode Island, United States, Vermont, Virginia, West Virginia, biota, environment, Fewer tags Biogeochemical and source characteristics of preferential groundwater discharge in the Farmington River watershed (Connecticut and Massachusetts, 2017 - 2021) We used spatial data from previously mapped preferential groundwater discharges throughout the Farmington River watershed in Connecticut and Massachusetts (https://doi.org/10.5066/P915E8JY) to guide water sample collection at known locations of groundwater discharging to surface water. In 2017 and 2019 - 2021, samples were collected during general river baseflow conditions (July – November, <30.9 cms mean daily discharge (USGS gage 01189995, statistics 2010-2022) when the riverbank discharge points were exposed. We collected a suite of dissolved constituents and stable isotopes of water directly in the shallow saturated sediments of active points of discharge, and coincident stream chemical samples were also collected... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Connecticut, Farmington River, Hydrology, Massachusetts, USGS Science Data Catalog (SDC), All tags... groundwater, groundwater and surface-water interaction, groundwater and surface-water interaction, inlandWaters, nutrient content (water), Fewer tags Thermal infrared images and direct temperature measurements of groundwater discharge zones throughout the Farmington River watershed (Connecticut and Massachusetts) Areas of groundwater discharge are hydrologically and ecologically important, and yet are difficult to predict at the river network scale. Thermal infrared imagery can be used to identify areas of groundwater discharge based on an observed temperature anomaly (colder during the late summer or warmer during the late winter). The thermal images, direct temperature measurements (11 cm depth) and discharge zone (seep) location information in this data release were collected as part of a study to evaluate and improve predicted spatial patterns of groundwater discharge. The data were collected during the late summer / early fall of 2017 along selected river reaches in the Farmington River watershed (Connecticut and Massachusetts).... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Connecticut, Farmington River, Groundwater, Hydrology, Massachusetts, All tags... USGS Science Data Catalog (SDC), Water Resources, geoscientificInformation, groundwater, groundwater and surface-water interaction, hydrology, infrared imaging, inlandWaters, surface water (non-marine), Fewer tags Public and NGO Beaches, 2015, North and Mid-Atlantic U.S. This dataset represents public and non-governmental organizations (NGO) beaches in the North and Mid-Atlantic. The data are part of a larger project, Inventory of Habitat Modifications to Sandy Oceanfront Beaches in the U.S. Atlantic Coast Breeding Range of the Piping Plover (Charadrius melodus) as of 2015: Maine to North Carolina. Beachfront land parcels in public or NGO ownership were delineated from a variety of sources, including county or municipal parcel data available online to the public (see Table 1 of Rice 2015b for a full list of sources consulted for Maine to New York). Public and NGO-owned beachfront parcels are delineated with narrow, lime green lines in Google Earth Pro. The public / NGO line segments... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Connecticut, Delaware, Long Island Sound, Maine, Maryland, All tags... New Hampshire, New Jersey, New York, North Carolina, Peconic Estuary, Rhode Island, Virginia, beach, environment, habitat, park, piping plover, preserve, public beach, refuge, wildlife sanctuary, Fewer tags Passive seismic depth to bedrock data collected along streams of the Farmington River watershed, CT, USA Using the horizontal-to-vertical spectral-ratio (HVSR) method, we infer regolith thickness (i.e., depth to bedrock) throughout the Farmington River Watershed, CT, USA. Between Nov. 2019 and Nov. 2020, MOHO Tromino Model TEP-3C (MOHO, S.R.L.) three-component seismometers collected passive seismic recordings along the Farmington River and the upstream West Branch of Salmon Brook. From these recordings, we derived resonance frequencies using the GRILLA software (MOHO, S.R.L.), and then inferred potential regolith thicknesses based on likely shear wave velocities, Vs, intrinsic to the underlying sediment. Three potential shear wave velocities (Vs = 300m/s, 337m/s, 362 m/s) were considered for Farmington River watershed... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Connecticut, Farmington River, Hydrology, USGS Science Data Catalog (SDC), groundwater, All tags... groundwater and surface-water interaction, health, hydrogeology, hydrology, imageryBaseMapsEarthCover, regolith thickness, surface water (non-marine), Fewer tags Northeastern Aquatic Habitat Classification System, Stream Gradient The download for this dataset includes TNC’s full Northeastern Aquatic Habitat Classification System: stream size, stream temperature, stream gradient, stream geology, lakes and catchments. This dataset represents the results (9/30/2008) of the Northeastern Aquatic Habitat Classification System (NAHCS) GIS map for streams and rivers. This classification focused on mapping a stream habitat types across 13 northeastern states (ME, NH, VT, MA, CT, RI, NY, NJ, PA, MD, DC, DE, VA, WV). Stream and river centerlines were extracted from the USGS National Hydrography Dataset Plus (NH-Plus) 2006 1:100,000 data. These reaches were attributed and placed into classes representing their biopysical setting in terms of stream... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Connecticut, Connecticut, Data, Delaware, Delaware, All tags... District of Columbia, District of Columbia, Hydrography, Hydrography, LCC Network Science Catalog, Maine, Maine, Maryland, Maryland, Massachusetts, Massachusetts, New Hampshire, New Hampshire, New Jersey, New Jersey, New York, New York, North Atlantic Landscape Conservation Cooperative Data.gov, Northeastern U.S., Northeastern U.S., Pennsylvania, Pennsylvania, Rhode Island, Rhode Island, Rivers, Rivers, Streams, Streams, TNC, Vermont, Vermont, Virginia, Virginia, West Virginia, West Virginia, completed, inlandWaters, inlandWaters, Fewer tags 1 2 3 4 5 ... 17 »