40 datasets found
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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
Limnology data from Lake Powell, desert southwest USA (ver. 2.1, September 2024)
Department of the Interior —
These data were compiled as part of a long-term (1964 - 2022) water quality monitoring program at Lake Powell. Objectives of our study were to release a consistent... -
Federal
Water classification of the Colorado River Corridor, Grand Canyon, Arizona, 2021—Data
Department of the Interior —
These data are a surface water classification map of surface water in the riparian corridor of Grand Canyon between Glen Canyon and Pearce Ferry, Arizona, published... -
Federal
Rainbow trout reproduction data from 3 sampling trips (2018-2019) within Glen Canyon, AZ
Department of the Interior —
These data were compiled to describe population reproductive structure of rainbow trout in the Colorado River downstream of Glen Canyon Dam, Arizona. Objective(s) of... -
Federal
Geomorphic attributes of campsites adjacent to the Colorado River in Grand Canyon, AZ
Department of the Interior —
This dataset represents 505 campsites along the Colorado River in Grand Canyon with associated debris flow probabilities calculated for approximately a 100-year... -
Federal
Phosphorus, nitrogen, carbon, calcium, pH, and dissolved oxygen data from incubations of Colorado River water and sediment and associated ambient river water measurements
Department of the Interior —
Lake Powell retains most of the phosphorus that it receives, leading to downstream phosphorus limitation. These data were compiled to examine controls on phosphorus... -
Federal
Hydric and mesic riparian plant species data for quantifying divergent physiological responses to a Colorado River experimental flow
Department of the Interior —
These data were compiled to assess physiological responses of plants to short-term changes in streamflow, both increased and decreased. Objective(s) of our study were... -
Federal
Colorado River Mile System, Grand Canyon, Arizona
Department of the Interior —
These data represent the centerline and measured increments at hundredths, tenths and whole miles, along the centerline of the Colorado River beginning at Glen Canyon... -
Federal
Plant habitat suitability modeling for the Colorado River in Grand Canyon, Arizona under different management scenarios for Lake Powell releases
Department of the Interior —
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... -
Federal
Riparian vegetation classification of the Colorado River Corridor, Grand Canyon, Arizona, 2013—Data
Department of the Interior —
These data are classification maps of total riparian vegetation along the Colorado River in Grand Canyon from Glen Canyon Dam to Pearce Ferry in Arizona. The data are... -
Federal
Meteorological Data for Selected Sites along the Colorado River Corridor, Arizona, 2014-2015
Department of the Interior —
These data are records collected from six automated weather stations in operation between January 1, 2014 and December 31, 2015 within the Colorado River Corridor of... -
Federal
Glen Canyon NRA ORV Routes and Shoreline Access Areas
Department of the Interior —
Dataset of ORV routes and Shoreline Access Areas (SAAs) for Glen Canyon National Recreation Area. Subject to change. See current published rules and GLCA website for... -
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
Riparian species vegetation classification data for the Colorado River within Grand Canyon derived from 2013 airborne imagery
Department of the Interior —
These data are a species-level classification map of riparian vegetation in the Colorado River riparian corridor in Grand Canyon, Arizona, USA. The classification is... -
Federal
Riparian vegetation data downstream of Glen Canyon Dam in Glen Canyon National Recreation Area and Grand Canyon National Park, AZ from 2014 to 2019
Department of the Interior —
These data were collected by the Grand Canyon Monitoring and Research Center (GCMRC) to support riparian vegetation monitoring along the Colorado River between Glen... -
Federal
Proximal and distal factors associated with the decline in secondary invertebrate prey production in the Colorado River, Glen Canyon, Arizona.
Department of the Interior —
Using a bioenergetic model, demographic data for the Rainbow Trout (Oncorhynchus mykiss) population were compiled and used to estimate total prey consumption in the... -
Federal
Seismic Reflection, EdgeTech SB-424 chirp profile images collected within Lake Powell, UT-AZ during USGS field activity 2017-049-FA (PNG images).
Department of the Interior —
High-resolution geophysical mapping of Lake Powell in the Glen Canyon National Recreation Area in Utah and Arizona was conducted between October 8 and November 15,... -
Federal
Acoustic backscatter—Data and Python Code
Department of the Interior —
These data were compiled for investigating the relationship between acoustic backscattering by riverbeds composed of various riverbed substrates (bed sediment), and... -
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
Photographs Showing Change in Riparian Vegetation in the Grand Canyon, 1889-2012
Department of the Interior —
The dataset includes 492 digitized prints of large-format photographs from 160 viewpoints. A separate metadata file "Photographs Showing Change in Riparian Vegetation...
40 datasets found