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American Falls Reservoir Bathymetry near River Mile 713 to 714, Power County, Idaho, 2019 The USGS, in cooperation with the U.S. Bureau of Reclamation, surveyed the bathymetry within an area of about 500 acres of American Falls Reservoir between River Miles 713 and 714 during the week of August 6-8, 2019. The bathymetric survey provided high resolution detail of a proposed treatment area for an aeration system that is being developed to support water quality during the American Falls spillway concrete repair project and possibly thereafter. The Water Quality Restoration Plan detailing this effort is an appendix of the of the Final Environmental Assessment (EA) in conjunction with the National Environmental Policy Act (NEPA) compliance process. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Raster; Tags: ASCII, American Falls, American Falls Reservoir, Bathymetry, Environmental Health, All tags... Geology, Hydrology, Hypack, Hysweep, ID, Idaho, Limnology, Sedimentology, U.S. Geological Survey, USA, USGS, USGS Science Data Catalog (SDC), Water Depth, Water Quality, Water Resources, XYZ, biota, elevation, inlandWaters, multibeam sonar, swath bathymetry, topography, Fewer tags Lake Chapeau sediment input and hydrologic restoration, Point Au Fer Island (TE-26): 2016 land-water classification The Louisiana State Legislature created Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA) in order to conserve, restore, create and enhance Louisiana's coastal wetlands. The wetland restoration plans developed pursuant to these acts specifically require an evaluation of the effectiveness of each coastal wetlands restoration project in achieving long-term solutions to arresting coastal wetlands loss. This data set includes mosaicked aerial photographs for the Lake Chapeau Sediment Input and Hydrologic Restoration, Point Au Fer Island (TE-26) project for 2016. This data is used as a basemap land/water classification. It also serves as a visual tool for project managers to help them identify any obvious... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CWPPRA, Coastal Louisiana, DEM, DOQQ, Ecology, All tags... GIS, Geography, Gulf of Mexico, Land Use Change, Louisiana, Louisiana, Remote Sensing, South Louisiana, TE-26, USGS Science Data Catalog (SDC), aerial photography, coastal conservation, coastal enhancement, coastal restoration, image, monitoring, mosaic, rectification, satelite imagery, scan, wetlands, Fewer tags Sabine Refuge Marsh Creation (CS-28): 2015 land-water classification The Louisiana State Legislature created the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in order to conserve, restore, create and enhance Louisiana's coastal wetlands. The wetland restoration plans developed pursuant to these acts specifically require an evaluation of the effectiveness of each coastal wetlands restoration project in achieving long-term solutions to arresting coastal wetlands loss. This data set includes mosaicked aerial photographs for the Sabine Refuge Marsh Creation (CS-28) project for 2015. This data is used as a basemap land-water classification. It also serves as a visual tool for project managers to help them identify any obvious problems or land loss within their project... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Aquatic Biology, CS-28, CWPPRA, Ecology, Geography, All tags... Geomorphology, Gulf of Mexico, Hydrology, Land Use Change, Louisiana, Louisiana Coastal, Remote Sensing, USGS Science Data Catalog (SDC), aerial photography, conservation, digital elevation models, ecosystem monitoring, geographic information systems, image collections, image mosaics, remote sensing, wetland ecosystems, wetland restoration, Fewer tags Humble Canal Hydrologic Restoration (ME-11): 2015 land-water classification The Louisiana State Legislature created the Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) in order to conserve, restore, create and enhance Louisiana's coastal wetlands. The wetland restoration plans developed pursuant to these acts specifically require an evaluation of the effectiveness of each coastal wetlands restoration project in achieving long-term solutions to arresting coastal wetlands loss. This data set includes mosaicked aerial photographs for the Humble Canal Hydrologic Restoration (ME-11) project for 2015. This data is used as a basemap land-water classification. It also serves as a visual tool for project managers to help them identify any obvious problems or land loss within their... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: CWPPRA, Ecology, Geography, Geography, Gulf of Mexico, All tags... Land Use Change, Land Use Change, Louisiana, Louisiana Coastal, ME-11, Remote Sensing, Remote Sensing, USGS Science Data Catalog (SDC), aerial photography, conservation, digital elevation models, ecosystem monitoring, geographic information systems, image collections, image mosaics, remote sensing, wetland ecosystems, wetland restoration, Fewer tags Digital elevation model of Little Holland Tract, Sacramento-San Joaquin Delta, California, 2015 This USGS data release presents data collected from bathymetric and topographic surveys and the resulting digital elevation model for Little Holland Tract in the Sacramento-San Joaquin River Delta, California. During May and June of 2015, a team of scientists from the USGS Pacific Coastal and Marine Science Center (PCMSC) conducted multiple surveys (USGS Field Activity 2015-642-FA) to collect topographic and bathymetric data in Little Holland Tract, located in the Sacramento-San Joaquin River Delta between Liberty Island and the Sacramento Deep Water Ship Channel. Topographic data were collected by survey personnel on foot, and bathymetric measurements were collected using two personal watercraft (PWC). Positioning... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Geophysics, PCMSC, Sacramento-San Joaquin Delta, bathymetry measurement, data release, All tags... digital elevation models, Fewer tags Enhanced Terrain Imagery of the Bluefield 30 x 60 Minute Quadrangle from Lidar-Derived Elevation Models at 3-Meter Resolution This imagery dataset consists of 3-meter resolution, lidar-derived imagery of the Bluefield 30 x 60 minute quadrangle in West Virginia and Virginia. The source data used to construct this imagery consists of 1-meter lidar-derived digital elevation models (DEMs). The lidar source data were compiled from different acquisitions published between 2020 and 2022. The data were processed using geographic information systems (GIS) software. The data is projected in WGS 1984 Web Mercator. This representation illustrates the terrain as a hillshade with contrast adjusted to highlight local relief according to a topographic position index (TPI) calculation. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Raster; Tags: Economic Geology, Geography, Geomorphology, Land Use Change, Lidar, All tags... Mineral Resources, USGS Science Data Catalog (SDC), Virginia, Water Resources, West Virginia, elevation, imageryBaseMapsEarthCover, lidar, topography, Fewer tags Groundwater-Level Altitudes and Long-Term Groundwater-Level Changes in the Chicot and Evangeline (Undifferentiated) and Jasper Aquifers, Greater Houston area, Texas, 2023 The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and Brazoria County Groundwater Conservation District produced this dataset of groundwater‐level altitudes and groundwater‐level altitude changes in the Chicot and Evangeline aquifers (undifferentiated), and Jasper aquifer in the greater Houston area, Texas. This dataset shows current‐year (2023) groundwater‐level altitudes for each aquifer as well as 1–year (2022–23), and 5‐year (2018–23) groundwater‐level changes for each aquifer, long‐term (1990–2023 and 1977–2023) groundwater‐level changes for the Chicot and Evangeline aquifers... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Brazoria County Groundwater Conservation District, Brazoria County, Texas, Chambers County, Texas, Chicot aquifer, City of Houston, Texas, All tags... Evangeline aquifer, Fort Bend County, Texas, Fort Bend Subsidence District, Galveston County, Texas, Grimes County, Texas, Harris County, Texas, Harris-Galveston Subsidence District, Jasper aquifer, Liberty County, Texas, Lone Start Groundwater Conservation District, Montgomery County, Texas, San Jacinto County, Texas, Texas, USGS Science Data Catalog (SDC), Walker County, Texas, Waller County, Texas, aquifer, elevation, elevation, groundwater, groundwater-level altitude, hydrology, hypsometry, subsidence, Fewer tags Enhanced Terrain Imagery of the Hagerstown 30 x 60 Minute Quadrangle from Lidar-Derived Elevation Models at 3-Meter Resolution (ver. 1.1, February 2024) This imagery dataset consists of 3-meter resolution, lidar-derived imagery of the Hagerstown 30 x 60 minute quadrangle in Pennsylvania, Maryland, and part of West Virginia. The source data used to construct this imagery consists of 1-meter resolution lidar-derived digital elevation models (DEMs). The lidar source data were compiled from different acquisitions published between 2016 and 2023. The data were processed using geographic information systems (GIS) software. The data is projected in WGS 1984 Web Mercator. This representation illustrates the terrain as a hillshade with contrast adjusted to highlight local relief according to a topographic position index (TPI) calculation. First release: 2012 Revised: February... Categories: Data, Data Release - Revised; Types: Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Raster; Tags: Lidar, Maryland, Pennsylvania, USGS Science Data Catalog (SDC), West Virginia, All tags... elevation, imageryBaseMapsEarthCover, lidar, topography, Fewer tags Electrical Conductance Maps of the Great Basin, USA Images of subsurface electrical conductivity are useful for locating fluids and other electrically conductive phases at depth in the Earth. This data release presents electrical conductance maps estimated from a 3D model of the Great Basin, USA, at five different depth ranges, spanning 2 to 200 km depth. Electrical conductance is the integration of electrical conductivity in a depth range. Great Basin electrical conductivity is estimated through 3D inverse modeling of over 800 publicly available magnetotelluric (MT) transfer functions. The transfer functions can be found on the electromagnetic transfer function repository hosted by the Incorporated Research Institutions of Seismology (IRIS) data management center... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Raster; Tags: Energy Resources Program, GMEGSC, GRIP, Geology Minerals Energy and Geophysics Science Center, Geophysics, All tags... Great Basin, MT, U.S. Geothermal Resources Investigations Project, USGS Science Data Catalog (SDC), conductivity, electromagnetic surveying, geophysics, geoscientificInformation, geothermal, magnetic field (earth), magnetotelluric surveying, magnetotellurics, Fewer tags Enhanced Terrain Imagery of the Marlinton 30 x 60 Minute Quadrangle from Lidar-Derived Elevation Models at 3-Meter Resolution This imagery dataset consists of 3-meter resolution, lidar-derived imagery of the Marlinton 30 x 60 minute quadrangle in West Virginia. The source data used to construct this imagery consists of 1-meter resolution lidar-derived digital elevation models (DEMs). The lidar source data were compiled from different acquisitions published between 2020 and 2021. The data were processed using geographic information systems (GIS) software. The data is projected in WGS 1984 Web Mercator. This representation illustrates the terrain as a hillshade with contrast adjusted to highlight local relief according to a topographic position index (TPI) calculation. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Raster; Tags: Economic Geology, Geography, Geomorphology, Land Use Change, Lidar, All tags... Mineral Resources, USGS Science Data Catalog (SDC), Water Resources, West Virginia, elevation, imageryBaseMapsEarthCover, lidar, topography, Fewer tags « 1 2 3 4 5 6