47 datasets found
-
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 (DEM) and digital surface model (DSM) data for the Colorado River corridor in Grand Canyon National Park and Glen Canyon National Recreation Area (2002, 2009, 2013 and 2021), including accuracy assessment data
Department of the Interior —
These datasets consist of four, 1-meter spatial resolution digital surface models (DSMs) that were generated to orthorectify airborne multispectral imagery acquired... -
Federal
Laboratory experiment data—turbidity response to increasing silt and clay concentration
Department of the Interior —
These data were compiled during a laboratory experiment showing the turbidity response to increasing silt and clay concentration. The sediment used for the laboratory... -
Federal
Horizontal and vertical accuracy assessments of digital surface model (DSM) and digital elevation model (DEM) data for the Colorado River corridor in Grand Canyon National Park and Glen Canyon National Recreation Area (2002, 2009, 2013 and 2021)
Department of the Interior —
The horizontal accuracy assessment dataset consists of spatial coordinate and elevation values of “hard points” identified in each digital surface model (DSM) dataset... -
Federal
Horizontal accuracy assessment and shadow locations data
Department of the Interior —
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... -
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
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
Geomorphology and Campsite Data, Colorado River, Marble and Grand Canyon, Arizona
Department of the Interior —
This ESRI geodatabase consists of 5 feature datsets with 23 individual polygon feature classes and two raster datasets. A master campsite polygon feature class... -
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
Community-level riparian plant traits, Colorado River, Grand Canyon, 2013-2015
Department of the Interior —
These data were compiled based on field observations and available literature. Field observations of plant cover were made in September and October of 2013 and 2014,... -
Federal
Digital elevation model (DEM) data for the Colorado River corridor in Grand Canyon National Park and Glen Canyon National Recreation Area (2021)
Department of the Interior —
The 2021 Digital Elevation Model (DEM) dataset consists of single band rasters at 1-meter pixel resolution that were generated to orthorectify four band ortho imagery... -
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
Fluvial-aeolian sediment availability models: Colorado River, Grand Canyon
Department of the Interior —
These data were compiled to model the area of exposed, bare sand along 168 km of the Colorado River between Glen Canyon Dam and Bright Angel Creek, Arizona.... -
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
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
USGS 2015 JSankey Riparian Vegetation and Colorado River
Department of the Interior —
These data include image-based classifications of total vegetation from 1965, 1973, 1984, 1992, 2002, 2004, 2005, and 2009, and characteristics of the river channel... -
Federal
Predicted recreation economics under different management scenarios for Lake Powell releases
Department of the Interior —
These data were compiled to predict economic impacts to angling in Glen Canyon and whitewater rafting in Grand Canyon. The objective of our study was to estimate... -
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
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
Gross primary production estimates and associated light, sediment, and water quality data from the Colorado River below Glen Canyon Dam
Department of the Interior —
These data were compiled to model the effects of flow regime and bed grain size distributions on rates of gross primary production (GPP) in the Colorado River below...
47 datasets found