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Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Hydrologic Landscape Regions These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set represents the area of Hydrologic Landscape Regions (HLR) compiled for every catchment of NHDPlus for the conterminous United States. The source data set is a 100-meter version of Hydrologic Landscape Regions of the United States (Wolock, 2003). HLR groups watersheds on the basis of similarities in land-surface form, geologic texture, and climate characteristics. The NHDPlus Version 1.1 is an integrated suite of application-ready... Categories: pre-SM502.8; Tags: CALI, COGB, California, Catchment, Conterminous United States, All tags... GLMR, Great Lakes, Ohio, Upper Mississippi, and Souris-Red-Rainy, Hydrologic landscape regions, Inlandwaters, LMTG, Lower Mississippi, Arkansas-White-Red, and Texas-Gulf, MORI, MRB, MRB1, MRB2, MRB3, MRB4, MRB5, MRB6, MRB7, MRB8, Major River Basin, Missouri, NAWQA, NEMA, NHDPlus, NSDI, New England and Mid-Atlantic, PANW, Pacific Northwest, Rio Grande, Colorado, and Great Basin, SAGT, SPARROW, South Atlantic-Gulf and Tennessee, USGS Science Data Catalog (SDC), environment, geoscientificInformation, inlandWaters, Fewer tags Lateral boundary of the steady-state ground-water flow model by D'Agnese and others (2002), Death Valley regional ground-water flow system, Nevada and California These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This digital data set defines the lateral boundary of the area simulated by the steady-state ground-water flow model of the Death Valley regional ground-water flow system (DVRFS) by D'Agnese and others (2002). The DVRFS flow model was developed by the U.S. Geological Survey (USGS) for the U.S. Department of Energy (DOE) to support investigations at the Nevada Test Site (NTS) and at Yucca Mountain, Nevada. The model area is an approximately... Categories: pre-SM502.8; Tags: Amargosa Desert, Ash Meadows, California, California Valley, Chicago Valley, All tags... China Ranch, Clark County, Clayton Valley, Coal Valley, Death Valley, Death Valley regional ground-water flow system, Esmeralda County, Eureka Valley, Franklin Lake, Franklin Well, Garden Valley, Inyo County, Kern County, Las Vegas Valley, Lincoln County, Mesquite Valley, Mineral County, Mono County, NSDI, Nevada, Nevada Test Site, Nye County, Oasis Valley, Owlshead Mountains, Pahranagat Range, Pahrump Valley, Panamint Range, Penoyer Valley, Railroad Valley, Resting Spring, Saline Valley, San Bernardino County, Sarcobatus Flat, Sheep Range, Shoshone, Silurian Valley, Spring Mountains, Stewart Valley, Stone Cabin Valley, Tecopa, USGS Science Data Catalog (SDC), Yucca Mountain, eastern California, environment, evapotranspiration, flow model, geoscientificInformation, ground water, ground-water discharge, ground-water pumping, ground-water recharge, hydraulic conductivity, hydraulic head, hydrogeologic framework model, hydrogeology, hydrology, inlandWaters, inlandWaters, lateral ground-water model boundary, net infiltration, southern Nevada, spring flow, steady state ground-water model, transient ground-water model, water level, water well, Fewer tags A Digital Hydrologic Network Supporting NAWQA MRB SPARROW Modeling--MRB_E2RF1 These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. A digital hydrologic network was developed to support SPAtially Referenced Regression on Watershed attributes (SPARROW) models within selected regions of the United States. These regions correspond with the U.S. Geological Survey's National Water Quality Assessment (NAWQA) Program Major River Basin (MRB) study units 2, 3, 4, 5, and 7 (Preston and others, 2009). MRB2, covers the South Atlantic-Gulf and Tennessee River basins. MRB3,... Categories: pre-SM502.8; Tags: Conterminous United States, MRB, MRB2, MRB3, MRB4, All tags... MRB5, MRB7, Major River Basin, NAWQA, NSDI, RF1, SPARROW, USGS Science Data Catalog (SDC), environment, geoscientificInformation, inlandWaters, inlandWaters, network, reach, reservoir, river, stream, water quality, Fewer tags National Land Cover Database 2001 (NLCD01) Tree Canopy Layer Tile 1, Northwest United States: CNPY01_1 These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This 30-meter resolution data set represents the tree canopy layer for the conterminous United States for the 2001 time period. The data have been arranged into four tiles to facilitate timely display and manipulation within a Geographic Information System, browse graphic: nlcd01-partition.jpg. The National Land Cover Data Set for 2001 was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics... Categories: pre-SM502.8; Tags: Conterminous United States, Inlandwaters, NAWQA, NLCD, NSDI, All tags... National Land Cover Data Set, National Water-Quality Assessment, Tree canopy, USGS Science Data Catalog (SDC), environment, geoscientificInformation, inlandWaters, land cover, land use, Fewer tags Historical boundary of the Death Valley regional ground-water flow system by Harrill and Prudic (1998), for the Death Valley regional ground-water flow system study, Nevada and California These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This digital data set is a historical definition of the extent (approximately 42,600 square-kilometers) and lateral boundary of the Death Valley regional ground-water flow system (modified from Harrill and others, 1988; and Harrill and Prudic, 1998). Harrill and others (1988) developed boundaries for the major ground-water flow systems in the Great Basin region of Nevada, Utah, and adjacent states using the boundaries of hydrographic... Categories: pre-SM502.8; Tags: Amargosa Desert, Ash Meadows, California, California Valley, Chicago Valley, All tags... China Ranch, Clark County, Clayton Valley, Coal Valley, Death Valley, Death Valley regional ground-water flow system (DVRFS), Esmeralda County, Eureka Valley, Franklin Lake, Franklin Well, Garden Valley, Inyo County, Kern County, Las Vegas Valley, Lincoln County, Mesquite Valley, Mineral County, Mono County, NSDI, Nevada, Nevada Test Site, Nye County, Oasis Valley, Owlshead Mountains, Pahranagat Range, Pahrump Valley, Panamint Range, Penoyer Valley, Railroad Valley, Resting Spring, Saline Valley, San Bernardino County, Sarcobatus Flat, Sheep Range, Shoshone, Silurian Valley, Spring Mountains, Stewart Valley, Stone Cabin Valley, Tecopa, USGS Science Data Catalog (SDC), Yucca Mountain, eastern California, environment, geoscientificInformation, ground water, ground-water flow system boundary, hydrogeolgy, hydrology, inlandWaters, inlandWaters, southern Nevada, transient ground-water flow model, Fewer tags Overland Flow Direction Information for the Upper Colorado River Basin in Maurer et al. (2002) Climate Data resolution (overland_flow_direction_UCRB_Maurer_resolution.asc) These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. overland_flow_direction_UCRB_Maurer_resolution.asc is an Esri ASCII grid representing overland flow direction in the Upper Colorado River Basin using the D8 flow-routing convention. Categories: pre-SM502.8; Tags: Arizona, California, Colorado, NSDI, Nevada, All tags... New Mexico, USGS Science Data Catalog (SDC), Upper Colorado River Basin, Utah, Wyoming, environment, geoscientificInformation, groundwater, groundwater recharge, inlandWaters, inlandWaters, overland flow direction, Fewer tags Northern California volcanic-rock aquifers These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set represents the extent of the Northern California volcanic-rock aquifers in California. Categories: pre-SM502.8; Tags: California, NSDI, USGS Science Data Catalog (SDC), aquifer, aquifer extent, All tags... environment, geoscientificInformation, groundwater, inlandWaters, inlandWaters, Fewer tags Modeled Thickness of the Overburden Geomodel Unit (obthk_f) These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. The obthk_f grid represents the modeled thickness of the Overburden geomodel unit at a 500 foot resolution. It is one grid of a geomodel that consists of eleven grids and a spatial extent polygon shapefile. As part of a U.S. Geological Survey Groundwater Resources Program study, a three-dimensional geomodel was constructed for approximately 53,000 mi2 of the Columbia Plateau in Washington, Oregon, and Idaho. This geomodel was constructed... Categories: pre-SM502.8; Tags: CPRAS, Columbia Plateau, Columbia Plateau Regional Aquifer System, Columbia River Basin, Idaho, All tags... NSDI, Oregon, Pacific Northwest, USGS Science Data Catalog (SDC), Washington, geomodel, inlandWaters, overburden, Fewer tags 1:1,000,000-scale hydrographic areas and flow systems for the Great Basin carbonate and alluvial aquifer system of Nevada, Utah, and parts of adjacent states These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This dataset was created in support of a U.S. Geological Survey (USGS) study focusing on groundwater resources in the Great Basin carbonate and alluvial aquifer system (GBCAAS). The GBCAAS is a complex aquifer system comprised of both unconsolidated and bedrock formations covering an area of approximately 110,000 square miles. The aquifer system is situated in the eastern portion of the Great Basin Province of the western United... Categories: pre-SM502.8; Tags: California, Flow System, Great Basin, Hydrographic Area, Idaho, All tags... NSDI, Nevada, USGS Science Data Catalog (SDC), Utah, geoscientificInformation, inlandWaters, inlandWaters, Fewer tags Selected Basin Characterization Model Parameters for the Great Basin Carbonate and Alluvial Aquifer System of Nevada, Utah, and Parts of Adjacent States These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This dataset was created in support of a study focusing on ground-water resources in the Great Basin carbonate and alluvial aquifer system (GBCAAS). The GBCAAS is a complex aquifer system comprised of both unconsolidated and bedrock formations covering an area of approximately 110,000 square miles. The aquifer system is situated in the eastern portion of the Great Basin Province of the western United States. The eastern Great Basin... Categories: pre-SM502.8; Tags: California, Great Basin, Groundwater, Groundwater recharge, Hydrologic runoff, All tags... Hydrologic water balance, Idaho, In-place recharge, NSDI, Nevada, Saturated hydraulic conductivity, USGS Science Data Catalog (SDC), Utah, geoscientificInformation, inlandWaters, inlandWaters, Fewer tags Wetted channel and bar features for the Tillamook, Trask, Wilson, Kilchis, and Miami Rivers, Oregon in 1939 These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. The Tillamook Bay subbasins and Nehalem River basins encompass 1,369 and 2,207 respective square kilometers of northwestern Oregon and drain to the Pacific Ocean. The Tillamook, Trask, Wilson, Kilchis, and Miami Rivers flow into Tillamook Bay near the towns of Tillamook and Garibaldi. The Wilson and Trask River basins cover the largest areas (500 and 451 square kilometers, respectively) whereas the Tillamook and Kilchis Rivers encompass... Categories: pre-SM502.8; Tags: Kilchis River, Miami River, NSDI, Nehalem Bay, Nehalem River, All tags... Oregon Coast Range, Tillamook Bay, Tillamook County, Tillamook River, Trask River, USGS Science Data Catalog (SDC), Wilson River, channel stability, environment, fluvial geomorphology, geoscientificInformation, historical channel change, inlandWaters, sediment transport, Fewer tags Drainage-area boundaries for selected sampling stations, scale 1:100,000, Yellowstone River Basin, Montana, North Dakota, and Wyoming These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. As part of the U.S. Geological Survey's National Water-Quality Assessment Program, an investigation of the Yellowstone River Basin study unit is being conducted to document status and trends in surface- and ground-water quality. Surface-water samples are collected from streams or lakes at specific sampling stations. Water-quality characteristics at each station are influenced by the natural and cultural characteristics of the drainage... Categories: pre-SM502.8; Tags: Montana, NSDI, North Dakota, USGS Science Data Catalog (SDC), Wyoming, All tags... Yellowstone River, Yellowstone River Basin, drainage area, drainage basin, environment, geoscientificInformation, inlandWaters, inlandWaters, river basin, watershed, Fewer tags Alluvial basin statistics of the Southwest Principal Aquifers (SWPA) study. These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. SWPA_alvbsn is a vector dataset of alluvial-fill basin statistics for the Southwest United States. Statistics for each basin include physical details such as area, landcover, elevation, slope and precipitation. Anthropogenic data for basin include landuse, population, and wateruse. Categories: pre-SM502.8; Tags: Arizona, Basin and Range Province, California, Colorado, Great Basin, All tags... NSDI, Neveda, New Mexico, Rio Grande Valley, USGS Science Data Catalog (SDC), Utah, alluvial-fill basin, climatologyMeteorologyAtmosphere, elevation, envrionment, geoscientificInformation, inlandWaters, land cover, land use, planningCadastre, population, southern California deserts, southwestern United States, utilitiesCommunication, water use, Fewer tags Digital data sets describing Toxics Release Inventory locations with 1995 VOC releases in the conterminous US These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set is a subset of the U.S. Environmental Protection Agency (USEPA) Envirofacts point data set which includes facilities included in the the Toxic Release Inventory. Information on total pounds of volatile organic compounds released in 1995 (from USEPA's Toxic Release Inventory CD-ROM) has been included. Categories: pre-SM502.8; Tags: Conterminous 48 United States, NSDI, TRI, Toxic Release Inventory, USGS Science Data Catalog (SDC), All tags... VOC, environment, geoscientificInformation, inlandWaters, inlandWaters, Fewer tags Overlying surficial deposits and absent areas for the Madison Limestone, Black Hills area, South Dakota. These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set describes areas where the Madison Limestone is directly overlain by surficial deposits, as well as those areas where the Madison Limestone is absent in the Black Hills area, South Dakota. Categories: pre-SM502.8; Tags: Black Hills, Madison Limestone, NSDI, South Dakota, USGS Science Data Catalog (SDC), All tags... absent, environment, geoscientificInformation, inlandWaters, inlandWaters, surficial deposits, Fewer tags Probability of Elevated Volatile Organic Compound (VOC) Concentrations in Groundwater in the Eagle River Watershed Valley-Fill Aquifer, Eagle County, North-Central Colorado, 2006-2007 These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This raster data set delineates the predicted probability of elevated volatile organic compound (VOC) concentrations in groundwater in the Eagle River watershed valley-fill aquifer, Eagle County, North-Central Colorado, 2006-2007. This data set was developed by a cooperative project between the U.S. Geological Survey, Eagle County, the Eagle River Water and Sanitation District, the Town of Eagle, the Town of Gypsum, and the Upper... Categories: pre-SM502.8; Tags: Brush Creek, CFC, Colorado, Dotsero, CO, Eagle County, CO, All tags... Eagle River, Eagle River Watershed, Eagle, CO, Edwards, CO, Gypsum Creek, Gypsum, CO, Minturn, CO, NSDI, USGS Science Data Catalog (SDC), VOC, Vail, CO, Wolcott, CO, chlorofluorocarbon, contamination, ground water, groundwater, inlandWaters, logistic regression, nitrate, probability, probability of groundwater contamination, susceptibility, volatile organic compound, vulnerability, Fewer tags Area where the Arikaree aquifer is absent, Pine Ridge Indian Reservation and Bennett County, South Dakota These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set describes the area within the Pine Ridge Indian Reservation where the Arikaree aquifer (Arikaree Formation) is absent. This absent area includes areas where the Arikaree Formation has been eroded and where outcrops of geologic units older than the Arikaree Formation are present at the land surface. Categories: pre-SM502.8; Tags: Arikaree aquifer, Bennett County, Jackson County, NSDI, Pine Ridge Indian Reservation, All tags... Shannon County, South Dakota, USGS Science Data Catalog (SDC), geology, inlandWaters, Fewer tags Selected wells and test holes used in structure-contour maps of the Inyan Kara Group, Minnekahta Limestone, Minnelusa Formation, Madison Limestone, and Deadwood Formation in the Black Hills Area, South Dakota These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This dataset describes wells and test holes completed in the Minnelusa Formation that were used to create the structure-contours for the top of the Minnelusa Formation, Black Hills, South Dakota. Categories: pre-SM502.8; Tags: Black Hills, Minnelusa Formation, NSDI, South Dakota, USGS Science Data Catalog (SDC), All tags... environment, geology, geoscientificInformation, inlandWaters, inlandWaters, structural, structure, well, Fewer tags Ground-water flow lines used in the generalized potentiometric surface of the Arikaree aquifer, Pine Ridge Indian Reservation and Bennett County, South Dakota These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set shows the ground-water flow lines for the Arikaree aquifer that were used to create a map of the generalized potentiometric surface of the Arikaree aquife rin the Pine Ridge Indian Reseration and Bennett County. Categories: pre-SM502.8; Tags: Arikaree aquifer, Bennett County, Jackson County, NSDI, Pine Ridge Indian Reservation, All tags... Shannon County, South Dakota, USGS Science Data Catalog (SDC), ground water, ground-water flow, inlandWaters, Fewer tags Atmospheric deposition of nitrogen in the United States Pacific Northwest for 2002 summarized for NHDPlus v2 catchments These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of atmospheric nitrogen deposition in the Pacific Northwest region of the United States (Hydro Region 17; Major River Basin 7 (MRB7)) during 2002 within each incremental watershed delineated in the NHDPlus v2 dataset. Categories: pre-SM502.8; Tags: Idaho, Major River Basins, Montana, NAWQA, NSDI, All tags... Oregon, PNW, Pacific Northwest, SPARROW, USGS Science Data Catalog (SDC), Washington, atmospheric deposition, inlandWaters, nitrogen, Fewer tags « 1 ... 3 4 5 6 7 ... 44 »