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Remote Sensing Shrub/Grass National Land Cover Database (NLCD) Back-in-Time...
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 health.... -
Airborne electromagnetic and magnetic survey, western Hualapai Indian...
Airborne electromagnetic (AEM) and magnetic survey data were collected during March 2018 along 1,637 line kilometers over the western Hualapai Indian Reservation and surrounding... -
Reformatted Hypack Navigation from Lake Mead - 2001
Lake Mead is a large interstate reservoir located in the Mojave Desert of southeastern Nevada and northwestern Arizona. It was impounded in 1935 by the construction of Hoover... -
SEG-Y format of chirp seismic-reflection profiles collected in Lake Mead in 1999
Lake Mead is a large interstate reservoir located in the Mojave Desert of southeastern Nevada and northwestern Arizona. It was impounded in 1935 by the construction of Hoover... -
Data for assessment of the containment pond sediment at Canyon Mine 2018
These data are comprised of measurements of elements (e.g., uranium, cobalt, nickel, copper, zinc, cadmium, lead, etc.), carbon, and particle size determination in Canyon Mine... -
Channel Mapping of the Colorado River in Grand Canyon National Park,...
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 reach is... -
Rangeland Condition Monitoring Assessment and Projection (RCMAP) Fractional...
The RCMAP (Rangeland Condition Monitoring Assessment and Projection) dataset quantifies the percent cover of rangeland components across the western U.S. using Landsat imagery... -
Geochemical and mineralogical analyses of uranium ores from the Hack II and...
This data release compiles the whole-rock geochemistry, X-ray diffraction, and electron microscopy analyses of samples collected from the uranium ore bodies of two mined-out... -
National Land Cover Database (NLCD) 2016 Shrubland Fractional Components for...
Quantifying Western U.S. shrublands as a series of fractional components with remote sensing provides a new way to understand these changing ecosystems. The USGS NLCD team in... -
National Land Cover Database (NLCD) 2016 Shrubland Fractional Components for...
Quantifying Western U.S. shrublands as a series of fractional components with remote sensing provides a new way to understand these changing ecosystems. The USGS NLCD team in... -
SEG-Y format of chirp seismic-reflection profiles collected in Lake Mead in 1999
Lake Mead is a large interstate reservoir located in the Mojave Desert of southeastern Nevada and northwestern Arizona. It was impounded in 1935 by the construction of Hoover... -
Rainbow trout growth data and growth covariate data downstream of Glen...
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 associated... -
Bioeconomic model population data, Grand Canyon, Arizona, USA
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 trout abundance... -
Data for assessment of the containment pond vegetation at Canyon Mine 2017
These data are comprised of measurements of elements (e.g., uranium, cobalt, nickel, copper, zinc, cadmium, lead, etc.), carbon and particle size determination in Canyon Mine... -
Bioeconomic model population data, Grand Canyon, Arizona, USA
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 trout abundance... -
Noble gas isotopes and lumped parameter model results for environmental...
This data release documents three Microsoft Excel tables; one contains noble gas isotopic data, one contains data for understanding groundwater ages in the South Rim of the... -
Tributary sand input data, Colorado River, Grand Canyon National Park, Arizona
These data were compiled from sampling pre-dam flood terraces and sand bar deposits of the Colorado River in Glen Canyon between Glen Canyon Dam and the Paria River confluence.... -
Catalogue of Photographs Showing Change in Riparian Vegetation in the Grand...
This metadata references a comma-delimited file describing 492 digitized prints of large-format photographs from 160 viewpoints. The photographic images themselves are... -
Grand_Canyon_Springs-MiniSipper_water_quality_data_ScienceBase_06-10-2020
This dataset comprises water quality results from spring sites in and near Grand Canyon that were sampled using a MiniSipper autosampler. Samples were analyzed by the USGS... -
Photographs Showing Change in Riparian Vegetation in the Grand Canyon, 1889,...
The viewpoints were first photographed by Stanton in 1889, and then re-photographed in about 1991, 2010 and sometimes other years. This set of photos focuses on change in...