78 datasets found
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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
Vegetation and water classifications for a segment of the Paria River upstream of the Colorado River Confluence, Arizona, USA
Department of the Interior —
These data represent total vegetation and surface water along approximately 12 kilometers of the Paria River upstream from the confluence of the Colorado River at... -
Federal
Bed Sediment Classification
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
Rainbow trout growth data and growth covariate data downstream of Glen Canyon Dam in the Colorado River, Arizona, 2012 - 2016
Department of the Interior —
These data are the primary data used to estimate rainbow trout abundance and survival in the Colorado River, Glen and Grand Canyons. Refer to the analyses as per the... -
Federal
Lidar point cloud 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... -
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
Field measurements of water depth from the Colorado River near Lees Ferry, AZ, March 16-18, 2021
Department of the Interior —
Field measurements of water depth were acquired from a reach of the Colorado River near Lees Ferry, Arizona, March16-18, 2021, to support research on remote sensing... -
Federal
Metabolic-hydaulic model Data
Department of the Interior —
The data contained in this workbook were compiled to investigate the relationship between hydrology of the Colorado River and ecosystem metabolism parameters (i.e.,... -
Federal
Presence and cover data for 36 plant species and associated environmental data from the Colorado River downstream of Glen Canyon Dam from 2016 to 2020
Department of the Interior —
These data were collected to evaluate the cover and composition of native and nonnative vascular plant species within the riparian zone of the Colorado River from... -
Federal
Maps of water depth derived from satellite images of selected reaches of the American, Colorado, and Potomac Rivers acquired in 2020 and 2021 (ver. 2.0, September 2024)
Department of the Interior —
Information on water depth in river channels is important for a number of applications in water resource management but can be difficult to obtain via conventional... -
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
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
Mark-recapture and environmental data used to predict flannelmouth sucker (Catostomous latippinis) growth rates within the Colorado River in the Grand Canyon from April 2012 to October 2018
Department of the Interior —
These data were compiled to fit Bayesian state-space growth in length models to estimate the environmental variables that influence flannelmouth sucker growth rates... -
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
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
Climate, hydrology and riparian vegetation composition data, Grand Canyon, Arizona
Department of the Interior —
These data were compiled for monitoring riparian vegetation change along the Colorado River. This file contains data recorded at 42 sandbars between Lees Ferry and... -
Federal
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
Department of the Interior —
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... -
Federal
Hatchery Trout Predation Data, Arizona
Department of the Interior —
These data were compiled to evaluate the potential adverse impacts that stocked trout may have on native fish populaitons through predation. Hatchery-reared rainbow... -
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
Discharge records and sand extents along the Colorado River between Glen Canyon Dam and Phantom Ranch, Arizona
Department of the Interior —
The data contained in these tables detail the areal extent of exposed sand, in square meters, along the Colorado River between Glen Canyon Dam, Arizona, and Bright...
78 datasets found