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Filters Date Types (for Date Range) Extensions Shapefile (1) Types Downloadable (1) Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) Shapefile (1) Contacts U.S. Geological Survey Joel B Sankey Ecosystems Joshua J Caster Geoffrey P DeBenedetto More... Categories Data (7) Tag Types Place (28) Tags (with Scheme=Getty Thesaurus of Geographic Names) glen canyon dam (10) glen canyon national recreation area (6) grand canyon national park (5) gulf of california (2) mexico (2) arizona (1) canyonlands national park (1) More... View Results as: JSON ATOM CSV

Hydrodynamic model of the Colorado River, Glen Canyon Dam to Lees Ferry in Glen Canyon National Recreation Area, Arizona: tables of model results and accuracy assessment These data were compiled to provide a resource for other researchers interested in water-surface elevations and flow velocity across a wide range of discharge in the study reach for the project. Objective(s) of our study were to construct a two-dimensional hydrodynamic model for the 15.8 mile tailwater reach of the Colorado River in Glen Canyon between Glen Canyon Dam and Lees Ferry, Arizona. These data represent the results of the two-dimensional modeling effort with each data table (50) including the results of each run of the model. Additionally, other data represent a comparison of modeled water surface elevations to measured water surface elevations for historic Bureau of Reclamation cross sections in the study... Tags: Arizona, Coconino County, Colorado River, Geography, Glen Canyon, All tags... Glen Canyon Dam, Glen Canyon National Recreation Area, Hydrology, Information Sciences, Lees Ferry, USGS Science Data Catalog (SDC), USGS:6595800dd34e3265ab152e47, Water Resources, accuracy assessment, bathymetry, bathymetry measurement, bed shear stress, data release, digital elevation models, elevation, flow velocity, geomorphology, geoscientificInformation, hydraulic characteristics, hydrodynamics, hydrographic datasets, inlandWaters, mathematical modeling, shoreline extents, stream discharge, streamflow, tailwater reach, topography, two-dimensional hydrodynamic model, velocities, water depths, water surface elevation, Fewer tags Aerial imagery data of the Colorado River Corridor, Arizona - 2021 In May 2021, the Grand Canyon Monitoring and Research Center (GCMRC) of the U.S. Geological Survey’s (USGS), Southwest Biological Science Center (SBSC) acquired airborne multispectral high resolution data for the Colorado River in Grand Canyon in Arizona, USA. The imagery data consist of four bands (Band 1 – red, Band 2 – green, Band 3 – blue, and Band 4 – near infrared) with a ground resolution of 20 centimeters (cm). These image data are available to the public as 16-bit GeoTIFF files, which can be read and used by most geographic information system (GIS) and image-processing software. The spatial reference of the image data are in the State Plane (SP) map projection using the central Arizona zone (FIPS 0202)... Tags: Arizona, Bright Angel Creek, Colorado River, Diamond Creek, GeoTIFF, All tags... Glen Canyon Dam, Grand Canyon, Havasu Creek, Kanab Creek, Lake Mead, Lake Powell, Lees Ferry, Leica ADS80/82, Little Colorado River, Marble Canyon, Page, Paria River, Peach Springs, Pearce Ferry, Shinumo Creek, Tapeats Creek, United States, aerial photography, airborne imagery, airborne multispectral high resolution data, data release, digital aerial imagery, four band image mosaic, image collections, image mosaics, imageryBaseMapsEarthCover, infrared imaging, multispectral imaging, natural color, near infrared, orthoimagery, remote sensing, Fewer tags Remotely-sensed observations of restoration sites of the riparian corridor of the Colorado River Delta in Mexico, 2013-2022 These data were compiled for evaluating plant water use, or river-reach level evapotranspiration (ET) data, in the riparian corridor of the Colorado River delta as specified under Minute 319 of the 1944 Water Treaty. Additionally, these data were compiled for evaluating restoration-level data in Reach 2 and Reach 4, as specified under Minute 323 of the 1944 Water Treaty. Objectives of our study were to measure the peak growing season evapotranspiration (ET) for the average of months in summer-fall (May to October) for the seven reaches, for the full riparian corridor, and for four restoration sites, from 2013 through 2022. The seven reach areas from the Northerly International Boundary (NIB) to the end of the delta... Tags: 1944 Water Treaty, Arizona, Botany, Colorado River, Colorado River delta, All tags... Ecology, Geography, Gulf of California, Information Sciences, International Boundary, Land Use Change, Landsat images, Landsat time series, Lower Colorado River delta, Mexico, Mexico, Minute 319, Minute 323, Morelos Dam, Remote Sensing, San Luis, USGS Science Data Catalog (SDC), Yuma, actual ET (ETa) in mm/day, average growing season daily ET, biogeography, biota, climatologyMeteorologyAtmosphere, data release, ecosystem monitoring, enhanced vegetation index 2 (EVI2), environment, evapotranspiration, evapotranspiration (ET) data, geoscientificInformation, geospatial datasets, greenness (EVI2), image collections, imageryBaseMapsEarthCover, inlandWaters, land use and land cover, land use change, meteorological station data, peak growing season evapotranspiration, peak-season daily water use, plant water use, precipitation (atmospheric), remediation, remote sensing, restoration, riparian community, riparian corridor, riparian ecosystem, riparian vegetation, riparian woodland ecosystem, riparian zones, river ecosystems, seaonal mean difference, time series datasets, vegetation, vegetation greeness index (EVI2), water use, water use, wetland ecosystems, Fewer tags Plant composition, shrub biomass, and soil biogeochemistry from an experimental drought treatment on the Colorado Plateau These data were compiled for a study that investigated the effects of drought seasonality and plant community composition in a dryland ecosystem. In 2015 U.S. Geological Survey ecologists recorded vegetation and soil moisture data in 36 experimental plots which manipulated precipitation in two plant community types. The experiment consisted of three precipitation treatments: control (ambient precipitation), cool-season drought (-66% ambient precipitation November-April), and warm-season drought (-66% ambient precipitation May-October), applied in two plant communities (perennial grasses with or without a large shrub, Ephedra viridis) over a three-year period. These data were collected from 2015 to 2022 near Canyonlands... Categories: Data; Tags: Achnatherum hymenoides, Botany, C3 photosynthesis, C4 photosynthesis, Canyonlands National Park, All tags... Climatology, Colorado Plateau, Ecology, Ephedra viridis, Geography, Indian ricegrass, Information Sciences, Islands of Fertility, James' galleta, Needles District, Pleuraphis jamesii, Soil Sciences, USGS Science Data Catalog (SDC), USGS:6553a618d34ee4b6e05c3e2b, Utah, ambient precipitation, biogeochemical cycling, biogeochemical data, biogeochemistry, biomass, biota, carbon, carbon concentrations, control treatments, cool-season drought treatments, data release, drought seasonality, droughts, dryland ecosystems, ecosystems, experimental plots, experimental seasonal drought, field inventory and monitoring, field measurements, field sampling, geoscientificInformation, interspace cover estimates, mormon tea, nitrogen, nitrogen concentrations, percent cover estimates, perennial grasses, phosphorus, phosphorus concentrations, photosynthesis, plant community composition, plants (organisms), precipitation (atmospheric), precipitation treatments, shrubland ecosystems, soil cores, soil moisture, soil sciences, soil volumetric water content, southeastern Utah, vegetation, warm-season drought treatments, Fewer tags Four Band Multispectral High Resolution Image Mosaic of the Colorado River Corridor, Arizona - 2021 In May 2021, the Grand Canyon Monitoring and Research Center (GCMRC) of the U.S. Geological Survey’s (USGS), Southwest Biological Science Center (SBSC) acquired airborne multispectral high resolution data for the Colorado River in Grand Canyon in Arizona, USA. The imagery data consist of four bands (Band 1 – red, Band 2 – green, Band 3 – blue, and Band 4 – near infrared) with a ground resolution of 20 centimeters (cm). These image data are available to the public as 16-bit GeoTIFF files, which can be read and used by most geographic information system (GIS) and image-processing software. The spatial reference of the image data are in the State Plane (SP) map projection using the central Arizona zone (FIPS 0202)... Tags: Arizona, Bright Angel Creek, Colorado River, Diamond Creek, ESRI shapefile, All tags... GeoTIFF, Geography, Glen Canyon Dam, Grand Canyon, Havasu Creek, Information Sciences, Kanab Creek, Lake Mead, Lake Powell, Lees Ferry, Leica ADS80/82, Little Colorado River, Marble Canyon, Page, Paria River, Peach Springs, Pearce Ferry, Remote Sensing, Shinumo Creek, Tapeats Creek, USGS Science Data Catalog (SDC), United States, aerial photography, airborne imagery, airborne multispectral high resolution data, data release, digital aerial imagery, four band image mosaic, geographic information systems, geospatial datasets, image collections, image mosaics, imageryBaseMapsEarthCover, infrared imaging, multispectral imaging, natural color, near infrared, orthoimagery, remote sensing, study areas, Fewer tags Classified land cover and vegetation canopy cover data for an aeolian dune field near Lees Ferry, AZ These data were compiled for assessing how geomorphic changes measured as topographic differences from repeat surveys represent measured and modelled estimates of aeolian sediment transport and dune mobility. Objective(s) of our study were to investigate whether topographic changes can serve as a proxy for aeolian transport and sediment mobility in dunefield environments. This was accomplished by relating topographic changes to modeled and observed estimates of sediment transport and dune mobility over months to decades within a partially vegetated dunefield starved of upwind sediment supplies. We specifically tested if topographic changes measured as net and total volume changes and topographic surface roughness... Tags: Arizona, Colorado River, Glen Canyon National Recreation Area, Grand Canyon, Grand Canyon National Park, All tags... Lees Ferry, Paria River, UAV imagery, USGS:658efcd9d34e3265ab14d2bc, aeolian, aerial photography, bare sand, biocrust sand, biogeography, biological soil crusts, biota, change detection, climatologyMeteorologyAtmosphere, data release, disturbed, dune field, dune mobility, dune surface, elevation, environment, geomorphic change, geomorphology, gravel bar, gravel deposits, image collections, imageryBaseMapsEarthCover, in-field sediment transport data, land use and land cover, land use change, planningCadastre, remote sensing, repeat surveys, sediment transport, topographic differences, topographic surveys, topography, unconsolidated deposits, unoccupied aerial vehicle imagery, vegetated sand, vegetation, wind, wind strength, woody vegetation, Fewer tags Aerial imagery analysis and topographic change detection (digital surface models), field observations and topographic change (terrestrial lidar surveys), and 4-minute wind speed record data for an aeolian dune field near Lees Ferry, AZ These data were compiled for assessing how geomorphic changes measured as topographic differences from repeat surveys represent measured and modelled estimates of aeolian sediment transport and dune mobility. Objective(s) of our study were to investigate whether topographic changes can serve as a proxy for aeolian transport and sediment mobility in dunefield environments. This was accomplished by relating topographic changes to modeled and observed estimates of sediment transport and dune mobility over months to decades within a partially vegetated dunefield starved of upwind sediment supplies. We specifically tested if topographic changes measured as net and total volume changes and topographic surface roughness... Categories: Data; Tags: Arizona, Colorado River, Glen Canyon National Recreation Area, Grand Canyon, Grand Canyon National Park, All tags... Lees Ferry, Paria River, UAV imagery, USGS:658efe37d34e3265ab14d2c1, aeolian, aerial photography, bare sand, biocrust sand, biogeography, biological soil crusts, biota, change detection, climatologyMeteorologyAtmosphere, data release, disturbed, dune field, dune mobility, dune surface, elevation, environment, geomorphic change, geomorphology, gravel bar, gravel deposits, image collections, imageryBaseMapsEarthCover, in-field sediment transport data, land use and land cover, land use change, planningCadastre, remote sensing, repeat surveys, sediment transport, topographic differences, topographic surveys, topography, unconsolidated deposits, unoccupied aerial vehicle imagery, vegetated sand, vegetation, wind, wind strength, woody vegetation, Fewer tags Plant habitat suitability modeling for the Colorado River in Grand Canyon, Arizona under different management scenarios for Lake Powell releases These data were compiled to assess potential impacts of altered operations of Glen Canyon Dam on riparian plant resources. Objective(s) of our study were to quantify potential responses of specific vegetation metrics. These data represent predicted changes in vegetation metrics based on the data in the Interim Guidelines and LTEMP_SEIS folders. These data were collected in Grand Canyon and Glen Canyon below the dam from 2014-2019. These data were collected by USGS SBSC scientists through ground-based vegetation surveys. These data can be used to predict responses of vegetation metrics only to the specific alterations to dam operations that were simulated. Tags: Arizona, Botany, Coconino County, Colorado River, Ecology, All tags... Geography, Glen Canyon, Glen Canyon Dam, Grand Canyon, Information Sciences, Lake Powell, USGS Science Data Catalog (SDC), Water Resources, biodiversity, biogeography, biological and physical processes, biota, data release, ecology, environment, inlandWaters, modeling, natural resources, organisms, population and community ecology, reports, Fewer tags Environmental, biological, and leaf litter decomposition data in the Colorado River downstream of Glen Canyon Dam between 1998 and 2022 Yes, all data values are reasonable and within the valid range for measurement. The data release consists of 15 tabular data files (csv). These data were compiled to compare patterns and potential drivers of leaf litter decomposition in the Colorado River downstream of Glen Canyon Dam between 1998 and 2022. Objective(s) of our study were to compare the breakdown of cottonwood (Populus fremontii), willow (Salix exigua), and salt cedar (Tamarix chinensis) leaves to a previous decomposition experiment from 1998 (Pomeroy et al. 2000) that was conducted in the context of much cooler water temperatures, higher phosphorus concentrations, lower New Zealand mudsnail densities, and salt cedar litter that was unaffected by... Categories: Data; Tags: Aquatic Biology, Arizona, Colorado River, Ecology, Geography, All tags... Glen Canyon Dam, Hydrology, Information Sciences, Lake Powell, New Zealand mudsnail, Populus fremontii, Salix exigua, Tamarix chinensis, USGS Science Data Catalog (SDC), USGS:6500d7ead34ed30c20580390, Water Resources, air temperature, beetle, biochemistry, biomass, biota, climatologyMeteorologyAtmosphere, community composition, community ecology, cottonwood, data release, decay rates, decomposition, detritus, environment, field data, field experiments, field sampling, growth, inlandWaters, invasive species, invertebrates, laboratory experiments, leaf, leaf litter, leaf litter chemistry, leaf litter mass, leaf mass, leaf nutrient content, leaf pack, litter, nutrient content (water), phosphorus, physicochemical variable, population and community ecology, relative abundance analysis, reservoir storage, river ecosystems, saltcedar, stream discharge, vegetation, warming, water chemistry, water nutrient data, water temperature, willow, Fewer tags Array detections and physical captures for three native fishes in the Little Colorado River in Grand Canyon, AZ These data were compiled to monitor native fishes (particularly humpback chub Gila cypha) in the Little Colorado River, in the Grand Canyon, AZ. Objective(s) of our study were to evaluate the timing of native fish migration and the abundance of migratory and resident fishes between the Colorado and Little Colorado Rivers in the Grand Canyon. These data represent encounter histories for fishes - including array detections and physical captures. These data were collected in the lower 13.56 river kilometers of the Little Colorado River in April and May of 2021 and 2022. These data were collected by U.S. Fish and Wildlife Service (physical captures) and U.S. Geological Survey (array detections). These data can be used... Categories: Data; Tags: Aquatic Biology, Arizona, Arizona, Colorado River, Ecology, All tags... Geography, Grand Canyon, Information Sciences, Little Colorado River, USGS Science Data Catalog (SDC), Wildlife Biology, array detections, biota, bluehead sucker, data release, encounter histories, field inventory and monitoring, field sampling, fish, flannelmouth sucker, humpback chub, inlandWaters, marking status, migration (organisms), migration timing, native species, partial migration, physical captures, size categories, spawning migration, tributaries, Fewer tags Compilation of topographic data, aerial imagery, and land cover classification, collected between 1984 to 2021 for an aeolian dune field near Lees Ferry, AZ These data were compiled for assessing how geomorphic changes measured as topographic differences from repeat surveys represent measured and modelled estimates of aeolian sediment transport and dune mobility. Objective(s) of our study were to investigate whether topographic changes can serve as a proxy for aeolian transport and sediment mobility in dunefield environments. This was accomplished by relating topographic changes to modeled and observed estimates of sediment transport and dune mobility over months to decades within a partially vegetated dunefield starved of upwind sediment supplies. We specifically tested if topographic changes measured as net and total volume changes and topographic surface roughness... Tags: Arizona, Botany, Colorado River, Ecology, Geography, All tags... Geomorphology, Glen Canyon National Recreation Area, Grand Canyon, Grand Canyon National Park, Information Sciences, Lees Ferry, Paria River, Remote Sensing, UAV imagery, USGS Science Data Catalog (SDC), USGS:65677123d34e17319ded0a33, aeolian, aerial photography, bare sand, biocrust sand, biogeography, biological soil crusts, biota, change detection, climatologyMeteorologyAtmosphere, data release, disturbed, dune field, dune mobility, dune surface, elevation, environment, geomorphic change, geomorphology, gravel bar, gravel deposits, image collections, imageryBaseMapsEarthCover, in-field sediment transport data, land use and land cover, land use change, planningCadastre, remote sensing, repeat surveys, sediment transport, topographic differences, topographic surveys, topography, unconsolidated deposits, unoccupied aerial vehicle imagery, vegetated sand, vegetation, wind, wind strength, woody vegetation, Fewer tags Remotely-sensed observations of the unrestored riparian corridor of the Colorado River Delta in Mexico, 2019-2022 These data were compiled for evaluating plant water use, or river-reach level evapotranspiration (ET) data, in the unrestored riparian corridor of the Colorado River delta as specified under Minute 319 of the 1944 Water Treaty. Additionally, these data were compiled for evaluating restoration-level data in Reach 2 and Reach 4, as specified under Minute 323 of the 1944 Water Treaty. Objectives of our study were to measure the peak growing season evapotranspiration (ET) for the average of months in summer-fall (May to October) for the seven reaches, for the full riparian corridor, and for four restoration sites, from 2019 through 2022. The seven reach areas from the Northerly International Boundary (NIB) to the end... Tags: 1944 Water Treaty, Arizona, Botany, Colorado River, Colorado River delta, All tags... Ecology, Geography, Gulf of California, Information Sciences, International Boundary, Land Use Change, Landsat images, Landsat time series, Lower Colorado River delta, Mexico, Mexico, Minute 319, Minute 323, Morelos Dam, Remote Sensing, San Luis, USGS Science Data Catalog (SDC), Yuma, actual ET (ETa) in mm/day, average growing season daily ET, biogeography, biota, climatologyMeteorologyAtmosphere, data release, ecosystem monitoring, enhanced vegetation index (EVI2), environment, evapotranspiration, evapotranspiration (ET) data, geoscientificInformation, geospatial datasets, greenness (EVI2), image collections, imageryBaseMapsEarthCover, inlandWaters, land use and land cover, land use change, meteorological station data, peak growing season evapotranspiration, peak-season daily water use, plant water use, precipitation (atmospheric), remediation, remote sensing, restoration, riparian community, riparian corridor, riparian ecosystem, riparian vegetation, riparian woodland ecosystem, riparian zones, river ecosystems, seaonal mean difference, time series datasets, vegetation, vegetation greeness index (EVI2), water use, water use, wetland ecosystems, Fewer tags Subaerially exposed river sand and reservoir shoreline modelling for Lake Powell releases and changes in Lake Powell and Lake Mead storage These data were compiled to evaluate impacts of different reservoir management scenarios on sand exposure for aeolian landscape and cultural site resources. Objective of our study was to predict areas of dry, bare Colorado River sand as a function of different management alternative scenarios. These data represent predictions of dry, bare sand for the reach of the Colorado River between Glen Canyon Dam and Bright Angel Creek in Grand Canyon National Park. These data were created during 2023 by the U.S. Geological Survey, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center. These data can be used to understand how the area of sand available for windblown transport might be impacted different... Tags: Arizona, Coconino County, Colorado River, Ecology, Geography, All tags... Geomorphology, Glen Canyon, Glen Canyon Dam, Grand Canyon, Hydrology, Information Sciences, Lake Powell, Sedimentology, USGS Science Data Catalog (SDC), Water Resources, aeolian, archaeology, cultural, dam, data release, freshwater ecosystems, geomorphology, geoscientificInformation, inlandWaters, modeling, reservoir, river systems, sand deposits, sedimentation, subaerial, unconsolidated deposits, Fewer tags Topographic, aerial imagery, and unoccupied aerial vehicle (UAV) data for an aeolian dune field near Lees Ferry, AZ These data were compiled for assessing how geomorphic changes measured as topographic differences from repeat surveys represent measured and modelled estimates of aeolian sediment transport and dune mobility. Objective(s) of our study were to investigate whether topographic changes can serve as a proxy for aeolian transport and sediment mobility in dunefield environments. This was accomplished by relating topographic changes to modeled and observed estimates of sediment transport and dune mobility over months to decades within a partially vegetated dunefield starved of upwind sediment supplies. We specifically tested if topographic changes measured as net and total volume changes and topographic surface roughness... Tags: Arizona, Colorado River, Glen Canyon National Recreation Area, Grand Canyon, Grand Canyon National Park, All tags... Lees Ferry, Paria River, UAV imagery, USGS:658ef99fd34e3265ab14d2a9, aeolian, aerial photography, bare sand, biocrust sand, biogeography, biological soil crusts, biota, change detection, climatologyMeteorologyAtmosphere, data release, disturbed, dune field, dune mobility, dune surface, elevation, environment, geomorphic change, geomorphology, gravel bar, gravel deposits, image collections, imageryBaseMapsEarthCover, in-field sediment transport data, land use and land cover, land use change, planningCadastre, remote sensing, repeat surveys, sediment transport, topographic differences, topographic surveys, topography, unconsolidated deposits, unoccupied aerial vehicle imagery, vegetated sand, vegetation, wind, wind strength, woody vegetation, Fewer tags Dissolved oxygen predictions for releases from Lake Powell under different management scenarios for Lake Powell releases Dissolved oxygen estimates were generated to help understand how different alternative management scenarios may affect the likelihood of low dissolved oxygen in Glen Canyon Dam releases. The study aimed to examine the effects of different management alternatives on late summer and early fall dissolved oxygen concentrations in Glen Canyon Dam releases. The estimates represent estimates of dissolved oxygen concentration in Glen Canyon Dam releases between August and October of a given year. These estimates were generated using data collected in Lake Powell reservoir as part of a long-term inter-agency water quality monitoring program conducted by the Bureau of Reclamation, the National Park Service, and the U.S. Geological... Tags: Arizona, CTD measurement, Coconino County, Colorado River, Ecology, All tags... Geochemistry, Geography, Glen Canyon, Glen Canyon Dam, Glen Canyon Dam National Recreation Area, Grand Canyon, Hydrology, Information Sciences, Lake Powell, Limnology, USGS Science Data Catalog (SDC), Wahweap Bay, Water Quality, Water Resources, arid reservoir, data release, dissolved oxygen, environment, eutrophication, field inventory and monitoring, field monitoring stations, freshwater ecosystems, inlandWaters, oxygen content (water), surface water quality, Fewer tags Lidar point cloud data for an aeolian dune field near Lees Ferry, AZ These data were compiled for assessing how geomorphic changes measured as topographic differences from repeat surveys represent measured and modelled estimates of aeolian sediment transport and dune mobility. Objective(s) of our study were to investigate whether topographic changes can serve as a proxy for aeolian transport and sediment mobility in dunefield environments. This was accomplished by relating topographic changes to modeled and observed estimates of sediment transport and dune mobility over months to decades within a partially vegetated dunefield starved of upwind sediment supplies. We specifically tested if topographic changes measured as net and total volume changes and topographic surface roughness... Tags: Arizona, Colorado River, Glen Canyon National Recreation Area, Grand Canyon, Grand Canyon National Park, All tags... Lees Ferry, Paria River, UAV imagery, USGS:65677123d34e17319ded0a33, aeolian, aerial photography, bare sand, biocrust sand, biogeography, biological soil crusts, biota, change detection, climatologyMeteorologyAtmosphere, data release, disturbed, dune field, dune mobility, dune surface, elevation, environment, geomorphic change, geomorphology, gravel bar, gravel deposits, image collections, imageryBaseMapsEarthCover, in-field sediment transport data, land use and land cover, land use change, planningCadastre, remote sensing, repeat surveys, sediment transport, topographic differences, topographic surveys, topography, unconsolidated deposits, unoccupied aerial vehicle imagery, vegetated sand, vegetation, wind, wind strength, woody vegetation, Fewer tags Spatial polygon footprint for the 105 aerial imagery tiles and 7 zones - 2021 In May 2021, the Grand Canyon Monitoring and Research Center (GCMRC) of the U.S. Geological Survey’s (USGS), Southwest Biological Science Center (SBSC) acquired airborne multispectral high resolution data for the Colorado River in Grand Canyon in Arizona, USA. The imagery data consist of four bands (Band 1 – red, Band 2 – green, Band 3 – blue, and Band 4 – near infrared) with a ground resolution of 20 centimeters (cm). These image data are available to the public as 16-bit GeoTIFF files, which can be read and used by most geographic information system (GIS) and image-processing software. The spatial reference of the image data are in the State Plane (SP) map projection using the central Arizona zone (FIPS 0202)... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arizona, Bright Angel Creek, Colorado River, Diamond Creek, ESRI shapefile, All tags... Glen Canyon Dam, Grand Canyon, Havasu Creek, Kanab Creek, Lake Mead, Lake Powell, Lees Ferry, Little Colorado River, Marble Canyon, Page, Paria River, Peach Springs, Pearce Ferry, Shinumo Creek, Tapeats Creek, United States, data release, geographic information systems, geospatial datasets, image mosaics, imageryBaseMapsEarthCover, study areas, Fewer tags Predicting sediment responses to different management scenarios for Lake Powell releases These data were compiled for/to modeling to assess impact of management scenarios on Colorado River sediment resources. Objective(s) of our study were to assess impact of management scenarios on Colorado River sediment resources. These data represent model results for high flow experiment timing/duration, sand mass balance, sandbar volume, based on the data in the Interim Guidelines SEIS and LTEMP SEIS folders. These data were generated in 2023-2024 and are model simulations of Colorado River sediment resources downstream of Glen Canyon dam. These data were created by the U.S. Geological Survey, Southwest Biological Science Center, Grand Canyon Monitoring & Research Center with models generated and codes written/adapted... Categories: Data; Tags: Arizona, Coconino County, Colorado River, Ecology, Geography, All tags... Geomorphology, Glen Canyon, Glen Canyon Dam, Grand Canyon, Hydrology, Information Sciences, Lake Powell, Sedimentology, USGS Science Data Catalog (SDC), Water Resources, data release, earth sciences, environment, geology, geomorphology, hydrology, inlandWaters, mathematical modeling, sedimentology, time series analysis, time series datasets, water resources, Fewer tags Horizontal accuracy assessment and shadow locations data In May 2021, the Grand Canyon Monitoring and Research Center (GCMRC) of the U.S. Geological Survey’s (USGS), Southwest Biological Science Center (SBSC) acquired airborne multispectral high resolution data for the Colorado River in Grand Canyon in Arizona, USA. The imagery data consist of four bands (Band 1 – red, Band 2 – green, Band 3 – blue, and Band 4 – near infrared) with a ground resolution of 20 centimeters (cm). These image data are available to the public as 16-bit GeoTIFF files, which can be read and used by most geographic information system (GIS) and image-processing software. The spatial reference of the image data are in the State Plane (SP) map projection using the central Arizona zone (FIPS 0202)... Categories: Data; Tags: Arizona, Bright Angel Creek, Colorado River, Diamond Creek, GeoTIFF, All tags... Glen Canyon Dam, Grand Canyon, Havasu Creek, Kanab Creek, Lake Mead, Lake Powell, Lees Ferry, Leica ADS80/82, Little Colorado River, Marble Canyon, Page, Paria River, Peach Springs, Pearce Ferry, Shinumo Creek, Tapeats Creek, United States, aerial photography, airborne imagery, airborne multispectral high resolution data, data release, digital aerial imagery, four band image mosaic, image collections, image mosaics, imageryBaseMapsEarthCover, infrared imaging, multispectral imaging, natural color, near infrared, orthoimagery, remote sensing, Fewer tags