212 datasets found
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Federal
Histopathological analyses of liver and kidney tissue from small rodents collected from breccia pipe uranium mines in the Grand Canyon watershed
Department of the Interior —
These data are comprised of histopathological analysis of liver and kidney tissues collected from small rodents collected in close proximity to brecchia pipe uranium... -
Federal
Population dynamics of humpback chub, rainbow trout and brown trout in the Colorado River in its Grand Canyon Reach: fit and sim input data
Department of the Interior —
These data were compiled to fit an integrated population model of brown trout in the Glen Canyon Reach of the Colorado River and test different hypotheses regarding... -
Federal
Remote Sensing Shrub/Grass National Land Cover Database (NLCD) Back-in-Time (BIT) Herbaceous Products for the Western U.S., 1985 - 2018
Department of the Interior —
The need to monitor change in sagebrush steppe is urgent due to the increasing impacts of climate change, shifting fire regimes, and management practices on ecosystem... -
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
Plant genetic structure data from riparian areas within the Grand Canyon region in northern Arizona
Department of the Interior —
These data represent nuclear microsatellite data collected from four riparian plant species that occur in and around Grand Canyon National Park: Populus fremontii... -
Federal
Rangeland Condition Monitoring Assessment and Projection (RCMAP) Independent Validation Data
Department of the Interior —
Rangeland ecosystems provide critical wildlife habitat (e.g., greater sage grouse, pronghorn, black-footed ferret), forage for livestock, carbon sequestration,... -
Federal
Humpback chub (Gila cypha) capture history data (2009-2020), Grand Canyon, Arizona
Department of the Interior —
These tabular data were compiled to estimate abundance from paired physical capture and antenna detection data in closed, open, and robust design mark-recapture... -
Federal
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
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
Data release associated with the journal article "Solar and sensor geometry, not vegetation response, drive satellite NDVI phenology in widespread ecosystems of the western United States"
Department of the Interior —
This dataset supports the following publication: "Solar and sensor geometry, not vegetation response, drive satellite NDVI phenology in widespread ecosystems of the... -
Federal
Surveyed peak-stage elevations, coordinates, and indicator data of strandlines from large floods on the Colorado River in Grand Canyon National Park, Arizona
Department of the Interior —
These data provide a comprehensive survey of peak-stage indicators along the Colorado River corridor between river mile (RM) 0 and RM 87 (see Figure 1 in the... -
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
Flow management for hydropower extirpates aquatic insects, undermining river food webs
Department of the Interior —
Two unique datasets were gathered to document whether flow management for hydropower affects the abundance and diversity of aquatic insect assemblages. The first... -
Federal
Airborne electromagnetic and magnetic survey, western Hualapai Indian Reservation near Grand Canyon West and Peach Springs, Arizona, 2018: Processed AEM data
Department of the Interior —
Airborne electromagnetic (AEM) and magnetic survey data were collected during March 2018 along 1,637 line kilometers over the western Hualapai Reservation and... -
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
Bat echolocation data recorded using Song Meter SM4 acoustic recorder and Echo Meter Touch 2 bat detector paired with insect prey availability, Grand Canyon National Park, Arizona, 2022
Department of the Interior —
These data were compiled as part of an effort to compare the relative data quality and modeling performance of bat data recorded with two different acoustic... -
Federal
Rangeland Condition Monitoring Assessment and Projection (RCMAP) Sagebrush Fractional Component Time-Series Across the Western U.S. 1985-2021
Department of the Interior —
The RCMAP (Rangeland Condition Monitoring Assessment and Projection) dataset quantifies the percent cover of rangeland components across the western U.S. using... -
Federal
Remote Sensing Shrub/Grass National Land Cover Database (NLCD) Back-in-Time (BIT) Products for the Western U.S., 1985 - 2018
Department of the Interior —
The need to monitor change in sagebrush steppe is urgent due to the increasing impacts of climate change, shifting fire regimes, and management practices on ecosystem...
212 datasets found