162 datasets found
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Federal
Calcium, magnesium and total dissolved solids data as well as modeled salinity and mass balance estimates for Lake Powell, 1952-2017
Department of the Interior —
These data were compiled to quantify the role of Lake Powell in modulating salinity and reducing overall salt flux from the Upper Colorado River Basin downstream. In... -
Federal
USGS 2017 BRalston Ground Dwelling Arthropod Composition Data v3
Department of the Interior —
These data were compiled from pitfall traps deployed at three sites, along a 25 kilometers (km) stretch of the Colorado River, immediately downstream of Glen Canyon... -
Federal
USGS 2017 BRalston Ground Dwelling Arthropod Composition Data v3
Department of the Interior —
These data were compiled from pitfall traps deployed at three sites, along a 25 kilometers (km) stretch of the Colorado River, immediately downstream of Glen Canyon... -
Federal
Digital Elevation Model
Department of the Interior —
Bathymetric, topographic, and grain-size data were collected in April 2011 along a 27-mi (43.5 – km) reach of the Colorado River in Grand Canyon National Park,... -
Federal
Uncertainty Model
Department of the Interior —
Bathymetric, topographic, and grain-size data were collected in April 2011 along a 27-mi (43.5 – km) reach of the Colorado River in Grand Canyon National Park,... -
Federal
Modelled Lake Powell releases and reservoir elevations under different alternative management scenarios
Department of the Interior —
These data were compiled for/to modeling efforts for U.S. Bureau of Reclamation National Environmental Policy Act (NEPA) analyses for the Colorado River in Grand... -
Federal
Sonar surveys of water depth from the Colorado River near Lees Ferry Arizona, September 23, 2019
Department of the Interior —
Field-based multibeam sonar surveys were collected along the Colorado River, near Lees Ferry, Arizona from a motorized cataraft. These data were used to assess the... -
Federal
Channel Mapping of the Colorado River in Grand Canyon National Park, Arizona - May 2012, river miles 29 to 62 - Data
Department of the Interior —
Bathymetric, topographic, and grain-size data were collected in May 2012 along a 33-mi reach of the Colorado River in Grand Canyon National Park, Arizona. The study... -
Federal
Bioeconomic model population data, Grand Canyon, Arizona, USA
Department of the Interior —
These data were estimated for use in the bioecomomic model simulation of the rainbow trout population in the Colorado River in Marble Canyon. The initial rainbow... -
Federal
Supplemental discrete dissolved-solids and specific conductance data and monthly mean dissolved-solids load data in the lower Colorado River, 1928-2016
Department of the Interior —
Monthly Mean Dissolved-Solids Concentration and Monthly Mean Dissolved-Solids Load Data Flow weighted monthly mean dissolved-solids concentrations (mg/L) data and... -
Federal
Digital surface model (DSM) data for the Colorado River corridor in Grand Canyon National Park and Glen Canyon National Recreation Area (2009)
Department of the Interior —
The 2009 Digital Surface Model (DSM) dataset consists of single band rasters at 1-meter pixel resolution that were generated to orthorectify a four band ortho imagery... -
Federal
Southwestern Riparian Plant Trait Matrix, Colorado River, Grand Canyon, Arizona (ver. 2.0, 2022)
Department of the Interior —
Trait-based approaches to vegetation analyses are becoming more prevalent in studies of riparian vegetation dynamics, including responses to flow regulation,... -
Federal
Colorado River milage system and ancillary attribute data for connecting to hydrodynamic model output in Glen Canyon, AZ
Department of the Interior —
These data were compiled to support stranding risk modeling of young-of-year rainbow trout in Glen Canyon resulting from fluctuating flows from Glen Canyon Dam,... -
Federal
Discharge and water temperature data, Lake Powell thermal profiles, and Annual Thermal Units used to assess reintroduction feasibility of Colorado pikeminnow (Ptychocheilus lucius) in the Colorado River in Grand Canyon
Department of the Interior —
These data were compiled to assess the physical attributes of the Colorado River and its tributaries in Grand Canyon, including discharge, water temperature, Annual... -
Federal
Four Band Multispectral High Resolution Image Mosaic of the Colorado River Corridor, Arizona - Data
Department of the Interior —
In May 2013, the Grand Canyon Monitoring and Research Center (GCMRC) of the U.S. Geological Survey’s (USGS) Southwest Biological Science Center (SBSC) acquired... -
Federal
Compilation of topographic data, aerial imagery, and land cover classification, collected between 1984 to 2021 for an aeolian dune field near Lees Ferry, AZ
Department of the Interior —
These data were compiled for assessing how geomorphic changes measured as topographic differences from repeat surveys represent measured and modelled estimates of... -
Federal
Channel Mapping of the Colorado River in Grand Canyon National Park, Arizona, May 2009, river miles 29 to 62—Data
Department of the Interior —
Bathymetric, topographic, and grain-size data were collected in May 2009 along a 33-mi reach of the Colorado River in Grand Canyon National Park, Arizona. The study... -
Federal
Digital Elevation Models (DEM) Data
Department of the Interior —
These topographic/bathymetric digital elevation models (DEMs) were collected and compiled to characterize erosion and deposition in the Colorado River and in an... -
Federal
Digital Elevation Model Hillshade
Department of the Interior —
Bathymetric, topographic, and grain-size data were collected in April 2011 along a 27-mi (43.5 – km) reach of the Colorado River in Grand Canyon National Park,... -
Federal
Topographic, aerial imagery, and unoccupied aerial vehicle (UAV) data for an aeolian dune field near Lees Ferry, AZ
Department of the Interior —
These data were compiled for assessing how geomorphic changes measured as topographic differences from repeat surveys represent measured and modelled estimates of...
162 datasets found