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Spectra Used in Figures This dataset contains reflectance and transmission spectra of unexpanded and expanded vermiculite ore, and handpicked flakes of phlogopite, hydrobiotite, and vermiculite. These samples were collected from mines near Enoree, South Carolina; Libby, Montana; Louisa, Virginia; Palabora, Llano, Texas; and South Africa. Spectra are identified as either reflectance or transmission in the alphanumeric file names and correlate to specpr record numbers designated in the manuscript figures in which they are shown. These transmission spectra were converted to absorbance in many of the figures. Spectra of talc, fibrous richterite amphibole, and serpentine are from well characterized samples from Feiser Mine, Ruby Mountains,... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CGGSC, CMERSC, Central Minerals and Environmental Resources Science Center, China, Crustal Geophysics and Geochemistry Science Center, All tags... Enoree, Jiangsu, Libby, Libby, Louisa, MRP, Mineral Resources Program, Montana, Palabora, South Africa, South Carolina, VSPEC technique, Vermiculite insulation, Virginia, chemical analysis, electron probe microanalysis, electron probe microanalysis, elongate amphiboles, environment, expanded vermiculite, geoscientificInformation, mineral deposits, mineralogy, provenance, reflectance spectroscopy, scanning electron microscopy, spectroscopy, x-ray diffraction, Fewer tags Modified Mercalli Intensity based on horizontal spectral response acceleration for 1.0-second period, with 1-percent probability of exceedance in 1 year for the Western United States A one-year seismic hazard forecast for the Central and Eastern United States, based on induced and natural earthquakes, has been produced by the U.S. Geological Survey. The model assumes that earthquake rates calculated from several different time windows will remain relatively stationary and can be used to forecast earthquake hazard and damage intensity for the year 2016. This assessment is the first step in developing an operational earthquake forecast for the CEUS, and the analysis could be revised with updated seismicity and model parameters. Consensus input models consider alternative earthquake catalog durations, smoothing parameters, maximum magnitudes, and ground motion estimates, and represent uncertainties... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Arizona, California, Colorado, Earthquake, Hazard, All tags... Idaho, Induced, Montana, Natural, Nevada, New Mexico, Oregon, Seismic, Texas, USA, United States, Utah, Washington, Wyoming, Fewer tags Water surface elevations recorded by submerged water level loggers in off-channel features of the middle and upper Willamette River, Oregon, Summer, 2016 Water surface elevations within seven Willamette River off-channel features (OCF; alcoves and side channels) were measured using submerged pressure transducers. Transducers were installed from late May through mid-October, 2016, when discharge of the Willamette River was between approximately 5,500 and 45,000 cubic feet per second at Salem, Oregon (USGS gage 14191000) and 3,500 to 17,500 cubic feet per second at Harrisburg, Oregon (USGS gage 14166000). Pressure transducer sensor depth was measured at all seven sites. For five of the sites, pressure transducer sensor depths were converted to water surface elevations by surveying the water surface at each transducer with a real-time kinematic global positioning system... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Ecology, Geomorphology, Oregon, RTK, USGS Science Data Catalog (SDC), All tags... Water Quality, Willamette River, inland waters, middle Willamette River, off-channel, river, surface water, upper Willamette River, water surface elevation, Fewer tags GeoTIFF image of the backscatter intensity of the sea floor offshore of Shinnecock Inlet, New York, in 1998 (3-m resolution, Mercator, WGS 84) Surveys of the bathymetry and backscatter intensity of the sea floor south of Long Island, New York, were carried out in November 1998 using a Simrad EM1000 multibeam echosounder mounted on the Canadian Coast Guard ship Frederick G. Creed. The purpose of the multibeam echosounder surveys was to explore the bathymetry and backscatter intensity of the sea floor in several areas off the southern coast of Long Island along the 20-meter isobath. Survey areas offshore of Fire Island Inlet, Moriches Inlet, Shinnecock Inlet, and southwest of Montauk Point were about 1 kilometer (km) wide and 10 km long. The area was mapped by the U.S. Geological Survey with support from the Canadian Hydrographic Service and the University... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 3-m resolution, Canadian Coast Guard ship (CCGS) Frederick G. Creed, Canadian Hydrographic Service, Coastal and Marine Geology Program (CMGP), GeoTIFF image, All tags... Long Island, Middle Atlantic Bight, New York, New York Bight, North Atlantic Ocean, Shinnecock Inlet, Simrad EM1000, U.S. Geological Survey (USGS), University of New Brunswick, WHCMSC field activity 1998-015-FA, Woods Hole Coastal and Marine Science Center (WHCMSC), backscatter intensity, geoscientificInformation, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, Fewer tags Chesapeake Bay River Input Monitoring Network 1985-2019: WRTDS output data Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay River Input Monitoring Network (RIM) stations for the period 1985 through 2019. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (Weighted Regression on Time, Discharge, and Season). The load results represent the total mass of nitrogen, phosphorus, and suspended sediment that was exported from each of the RIM watersheds. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay Watershed, Delaware, Maryland, New York, Pennsylvania, All tags... United States, Virginia, WRTDS, Washington DC, West Virginia, load analysis, nitrogen, nutrients, phosphorus, rivers, suspended sediment, trends, water quality, weighted regression, Fewer tags Process-based water temperature predictions in the Midwest US: 1 Spatial data (GIS polygons for 7,150 lakes) This dataset provides shapefile outlines of the 7,150 lakes that had temperature modeled as part of this study. The format is a shapefile for all lakes combined (.shp, .shx, .dbf, and .prj files). A csv file of lake metadata is also included. This dataset is part of a larger data release of lake temperature model inputs and outputs for 7,150 lakes in the U.S. states of Minnesota and Wisconsin (http://dx.doi.org/10.5066/P9CA6XP8). Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: IA, IL, IN, Illinois, Indiana, All tags... Iowa, MI, MN, MO, Michigan, Minnesota, Missouri, ND, NE, Nebraska, North Dakota, OH, Ohio, SD, South Dakota, US, United States, WI, Wisconsin, climate change, environment, hybrid modeling, inlandWaters, modeling, reservoirs, temperate lakes, temperature, thermal profiles, water, water resources, Fewer tags Regional scale magnetotelluric data from the Rio Grande Rift and southern Rocky Mountains This dataset consists of 102 magnetotelluric (MT) stations collected in 2012-2014 in the Rio Grande Rift and southern Rocky Mountains. The U.S. Geological Survey acquired these data to improve regional conductivity models of the western United States. This work is in support of studies of the effect of lithospheric modification on electrical resistivity structure and tectonic evolution of the western United States. Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Carson National Forest, Colfax County, Colorado, Colorado Plateau, Dona Ana County, All tags... Douglas County, Eddy County, Elbert County, Electromagnetic surveying, GGGSC, Garfield County, Geology, Geophysics, and Geochemistry Science Center, Geophysics, Grand Mesa National Forest, Grant County, Guadalupe Mountains National Park, Hidalgo County, Jefferson County, Kit Carson County, Lake County, Lincoln County, Luna County, MRP, MT, Magnetic field (earth), Mesa County, Mineral Resources Program, Mora County, New Mexico, Otero County, Park County, Pike National Forest, Rio Arriba County, Rio Grande Rift, Rocky Mountains, San Juan County, Santa Fe National Forest, Taos County, USGS Science Data Catalog (SDC), Union County, White River National Forest, apparent resistivity, geoscientificInformation, impedance, magnetotelluric, phase, regional conductivity models, time series, tipper, 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 Burned Area Reflectance Classification Thematic Burn Severity Mosaic for 2023 (ver. 6.0, January 2024) These data products are preliminary burn severity assessments derived from data obtained from suitable imagery (including Landsat TM, Landsat ETM+, Landsat OLI, Sentinel 2A, and Sentinel 2B). The pre-fire and post-fire subsets included were used to create a differenced Normalized Burn Ratio (dNBR) image. The dNBR image attempts to portray the variation of burn severity within a fire. The severity ratings are influenced by the effects to the canopy. The severity rating is based upon a composite of the severity to the understory (grass, shrub layers), midstory trees and overstory trees. Because there is often a strong correlation between canopy consumption and soil effects, this algorithm works in many cases for Burned... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: BAER, Burn severity, Burned Area Emergency Response, Burned area, Differenced normalized burn ratio, All tags... Fire location, Landsat, Location, Normalized burn ratio, Sentinel, US, United States, Wildfire, Wildland fire, imageryBaseMapsEarthCover, Fewer tags Environmental data Coastal wetlands store more carbon than most ecosystems globally. However, little is known about the mechanisms that control the loss of organic matter in coastal wetlands at the landscape scale, and how sea-level rise will impact this important ecological function. Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Barataria Basin, Louisiana, Organic matter decomposition, Terrebonne Basin, asymptote, All tags... cellulose decay, coastal wetlands, decay constant, flooding, labile carbon, landscape scale, lignin content, litter quality, nitrogen content, refractory carbon, salinity, sea-level rise, Fewer tags USGS National Assessment of Oil and Gas Project - Unconventional Assessment Units from 2000 to 2011 The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown herein as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and temporal properties within the Total Petroleum System, such as source rock, timing, migration pathways, trapping mechanism, and hydrocarbon type. The Assessment Unit boundary is defined geologically as the limits of the geologic... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Assessment Unit, Continuous Assessment Unit, Earth Science, Economic geology, Energy Resources, All tags... Geology, NOGA2000, National Assessment of Oil and Gas, Natural Gas, Natural Resources, Natural gas resources, Oil, Oil resources, OilGas, Resource Assessment, U.S. Geological Survey, U.S.A., USGS, USGS Science Data Catalog (SDC), USGS World Energy Region 5, USGS World Energy Region 5, Unconventional Assessment Unit, United States, geoscientificInformation, Fewer tags GAGES-II: Geospatial Attributes of Gages for Evaluating Streamflow This dataset, termed "GAGES II", an acronym for Geospatial Attributes of Gages for Evaluating Streamflow, version II, provides geospatial data and classifications for 9,322 stream gages maintained by the U.S. Geological Survey (USGS). It is an update to the original GAGES, which was published as a Data Paper on the journal Ecology's website (Falcone and others, 2010b) in 2010. The GAGES II dataset consists of gages which have had either 20+ complete years (not necessarily continuous) of discharge record since 1950, or are currently active, as of water year 2009, and whose watersheds lie within the United States, including Alaska, Hawaii, and Puerto Rico. Reference gages were identified based on indicators that they... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alabama, Alaska, All 50 states, Arizona, Arkansas, All tags... California, Colorado, Connecticut, Delaware, District of Columbia, Florida, GAGES, Georgia, HCDN, Hawaii, Hydrological, Hydrology, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, NPLCC, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, North Pacific Landscape Conservation Cooperative, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, USGS, USGS gages, United States, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, hydrologic condition, hydrologic modification, inlandWaters, reference watersheds, streamflow, streamgage network, water resources, Fewer tags Ecological Flow Statistics at USGS Streamgages within the Chesapeake Bay Watershed (1940-2018) Ecological flow (EFlow) statistics have been designated to characterize the magnitude, frequency, and duration of extreme high- and low-flows, the timing of seasonal flows, and the consistency of the historic regime. This Child Item contains a table of 178 EFlows for the time periods 1940-1969, 1970-1999, and 2000-2018, with absolute and percent change between periods, where applicable. Statistics were computed by Water Year (WY) for all 178 metrics and absolute and percent change were calculated by comparing metrics between combinations of two of the three time periods (1940-1969 and 1970-1999; 1940-1969 and 2000-2018; 1970-1999 and 2000-2018). Streamgages from the original dataset (n = 409) were excluded from... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay Watershed, Delaware, EFlow, EFlow statistics, EGRET, All tags... Maryland, New York, Pennsylvania, United States, Virginia, Washington DC, West Virginia, ecological flows, streamflow, trends, Fewer tags Chesapeake Bay River Input Monitoring Network 1985-2017: Annual loads Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay River Input Monitoring Network (RIM) stations for the period 1985 through 2017. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (Weighted Regression on Time, Discharge, and Season). The load results represent the total mass of nitrogen, phosphorus, and suspended sediment that was exported from each of the RIM watersheds. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay Watershed, Delaware, Maryland, New York, Pennsylvania, All tags... United States, Virginia, WRTDS, Washington DC, West Virginia, load analysis, nitrogen, nutrients, phosphorus, rivers, suspended sediment, trends, water quality, weighted regression, Fewer tags Chesapeake Bay River Input Monitoring Network 1985-2018: WRTDS input data Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay River Input Monitoring Network (RIM) stations for the period 1985 through 2018. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (Weighted Regression on Time, Discharge, and Season). The load results represent the total mass of nitrogen, phosphorus, and suspended sediment that was exported from each of the RIM watersheds. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake Bay Watershed, Delaware, Maryland, New York, Pennsylvania, All tags... United States, Virginia, WRTDS, Washington DC, West Virginia, load analysis, nitrogen, nutrients, phosphorus, rivers, suspended sediment, trends, water quality, weighted regression, Fewer tags GeoTIFF image of shaded-relief bathymetry, colored by backscatter intensity, of the sea floor offshore of Moriches Inlet, New York, in 1998 (3-m resolution, Mercator, WGS 84) Surveys of the bathymetry and backscatter intensity of the sea floor south of Long Island, New York, were carried out in November 1998 using a Simrad EM1000 multibeam echosounder mounted on the Canadian Coast Guard ship Frederick G. Creed. The purpose of the multibeam echosounder surveys was to explore the bathymetry and backscatter intensity of the sea floor in several areas off the southern coast of Long Island along the 20-meter isobath. Survey areas offshore of Fire Island Inlet, Moriches Inlet, Shinnecock Inlet, and southwest of Montauk Point were about 1 kilometer (km) wide and 10 km long. The area was mapped by the U.S. Geological Survey with support from the Canadian Hydrographic Service and the University... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 3-m resolution, Canadian Coast Guard ship (CCGS) Frederick G. Creed, Canadian Hydrographic Service, Coastal and Marine Geology Program (CMGP), GeoTIFF image, All tags... Long Island, Middle Atlantic Bight, Moriches Inlet, New York, New York Bight, North Atlantic Ocean, Simrad EM1000, U.S. Geological Survey (USGS), University of New Brunswick, WHCMSC field activity 1998-015-FA, Woods Hole Coastal and Marine Science Center (WHCMSC), backscatter intensity, geoscientificInformation, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, shaded-relief bathymetry, Fewer tags Grid of the sea-floor bathymetry offshore of Shinnecock Inlet, New York, in 1998 (3-m resolution Esri binary grid, Mercator, WGS 84) Surveys of the bathymetry and backscatter intensity of the sea floor south of Long Island, New York, were carried out in November 1998 using a Simrad EM1000 multibeam echosounder mounted on the Canadian Coast Guard ship Frederick G. Creed. The purpose of the multibeam echosounder surveys was to explore the bathymetry and backscatter intensity of the sea floor in several areas off the southern coast of Long Island along the 20-meter isobath. Survey areas offshore of Fire Island Inlet, Moriches Inlet, Shinnecock Inlet, and southwest of Montauk Point were about 1 kilometer (km) wide and 10 km long. The area was mapped by the U.S. Geological Survey with support from the Canadian Hydrographic Service and the University... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 3-m grid, Canadian Coast Guard ship (CCGS) Frederick G. Creed, Canadian Hydrographic Service, Coastal and Marine Geology Program (CMGP), Esri binary grid, All tags... Long Island, Middle Atlantic Bight, New York, New York Bight, North Atlantic Ocean, Shinnecock Inlet, Simrad EM1000, U.S. Geological Survey (USGS), University of New Brunswick, WHCMSC field activity 1998-015-FA, Woods Hole Coastal and Marine Science Center (WHCMSC), bathymetry, elevation, geoscientificInformation, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, Fewer tags USGS Watershed Boundary Dataset (WBD) Overlay Map Service from The National Map The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics. The drainage areas are nested within each other so that a large drainage area, such as the Upper Mississippi River, will be composed of multiple smaller drainage areas, such as the Wisconsin River. Each of these smaller areas can further be subdivided into smaller and smaller drainage areas. The WBD uses six different levels in this hierarchy, with the smallest averaging about 30,000 acres. The WBD is made up of polygons nested into six levels of data respectively defined by Regions, Subregions, Basins, Subbasins, Watersheds, and Subwatersheds. For additional... Categories: Data; Types: ArcGIS REST Map Service, Map Service; Tags: HU, HU10, HU12, HU14, HU16, All tags... HU2, HU4, HU6, HU8, Hydrography, NGP-TNM, NHD, Overlay Map Service, REST, US, United States, WBD, WMS, Water – Inland, a-16, basin, canal, dam, ditch, drainage, gage, gaging station, hydrography, hydrologic unit, inlandWaters, lake, marsh, ngda, pond, region, reservoir, river, spring, stream, subbasin, subregion, subwatershed, swamp, water, water - inland, watershed, well, Fewer tags Modified Mercalli Intensity based on peak ground acceleration, with 1-percent probability of exceedance in 1 year for the Western United States A one-year seismic hazard forecast for the Central and Eastern United States, based on induced and natural earthquakes, has been produced by the U.S. Geological Survey. The model assumes that earthquake rates calculated from several different time windows will remain relatively stationary and can be used to forecast earthquake hazard and damage intensity for the year 2016. This assessment is the first step in developing an operational earthquake forecast for the CEUS, and the analysis could be revised with updated seismicity and model parameters. Consensus input models consider alternative earthquake catalog durations, smoothing parameters, maximum magnitudes, and ground motion estimates, and represent uncertainties... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Arizona, California, Colorado, Earthquake, Hazard, All tags... Idaho, Induced, Montana, Natural, Nevada, New Mexico, Oregon, Seismic, Texas, USA, United States, Utah, Washington, Wyoming, Fewer tags Groundwater Levels in the Equus Beds Aquifer near Wichita, Kansas, January 2016 (deep contours shapefile) This dataset is the result of measurements of groundwater levels in the Equus Beds aquifer near Wichita, Kansas, in January 2016. Potentiometric surfaces are interpolated for the shallow and deep parts of the aquifer, and rasters of the potentiometric surfaces are included in this data release. Wells were classified as being screened in the shallow or deep parts of the aquifer based on station name (some wells have a layer identifier in the station name) or, if no indication of aquifer layer was given in the station name, based on the depth of the well; wells with depths less than 80 feet below land surface were classified as shallow and wells with depths of 80 feet or deeper were classified as deep. Contours with... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas River, Bentley, Burrton, Equus Beds aquifer, Halstead, All tags... Harvey County, High Plains aquifer, Kansas, Kisiwa Creek, Little Arkansas River, Sedgwick, Sedgwick County, Wichita, aquifer, groundwater, groundwater level, hydrology, water-level altitude, Fewer tags 1 2 3 4 5 ... 8 »