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Predicted exotic annual grass abundance in rangelands of the western United States using various precipitation scenarios for 2022 Predicted exotic annual grass abundance in rangelands of the western United States using various precipitation scenarios for 2022
Invasion of exotic annual grass (EAG), such as cheatgrass (Bromus tectorum), red brome (Bromus rubens), and medusahead (Taeniatherum caput-medusae), could have irreversible degradation impact to arid and semiarid rangeland ecosystems in the western United States. The distribution and abundance of these EAG species are highly influenced by weather variables such as temperature and...
Drilling, construction, geophysical data, and lithologic log for borehole USGS 151 Drilling, construction, geophysical data, and lithologic log for borehole USGS 151
In 2020, the U.S. Geological Survey (USGS), in cooperation with the U.S. Department of Energy (DOE) for Naval Reactors Laboratory Field Office or Naval Reactors Facility (NRF), drilled and constructed borehole USGS 151 (433846112540701) for stratigraphic framework analyses at the Idaho National Laboratory (INL) near the NRF, located in southeastern Idaho. Borehole USGS 151 was...
Colorado River at Windy Gap near Granby, CO - 2021/07/27 Water Surface Velocity Map Using Particle Image Velocimetry Colorado River at Windy Gap near Granby, CO - 2021/07/27 Water Surface Velocity Map Using Particle Image Velocimetry
The dataset consists of a shapefile of measurements of surface velocity magnitude and direction at the Colorado River at Windy Gap near Granby, CO, on July 27, 2021. The dataset contains approximately 1 km of river length. The surface velocity measurements were made by applying Large-Scale Particle Image Velocimetry (LSPIV) techniques, using overlapping videos collected by small Unmanned...
rsgis v1.0 rsgis v1.0
rsgis: A package to facilitate greater sage-grouse management in the western US The rsgis package centralizes several publicly available geospatial datasets that are essential to mapping and modeling for Greater sage-grouse (Centrocercus urophasianus) management applications, including important habitat and breeding areas for sage-grouse and political/regional boundaries. To cite the...
raventools v1.0 raventools v1.0
raventools: A package to facilitate raven management in the western U.S. The raventools package centralizes several publicly available geospatial datasets that are essential to mapping and modeling for common raven (Corvus corax) management applications, including raven occurrence and density data, sensitive species distribution data, raven subsidy data, and Greater sage-grouse...
Code to analyze multi-state, multi-scale dynamic occupancy models for amphibians in Yosemite National Park Code to analyze multi-state, multi-scale dynamic occupancy models for amphibians in Yosemite National Park
The purpose of this study was to evaluate how extreme variation in precipitation in the Sierra Nevada of California, USA, in the early 21st Century affected adult occupancy and the probability of reproduction of amphibians. The study used a 15-year data set to relate site characteristics to initial probability of occurrence of adults, and additional site-specific and dynamic (e.g...
Random forest classification data developed from multitemporal Landsat 8 spectral data and phenology metrics for a subregion in Sonoran and Mojave Deserts, April 2013 – December 2020 Random forest classification data developed from multitemporal Landsat 8 spectral data and phenology metrics for a subregion in Sonoran and Mojave Deserts, April 2013 – December 2020
These data were compiled for the creation of a continuous, transboundary land cover map of Bird Conservation Region 33, Sonoran and Mojave Deserts (BCR 33). Objective(s) of our study were to, 1) develop a machine learning (ML) algorithm trained to classify vegetation land cover using remote sensing spectral data and phenology metrics from 2013-2020, over a large subregion of the Sonoran...
U-Pb Isotopic Data and Ages of Detrital Zircon from Selected Rocks from Southwestern Alaska and the Yukon-Tanana Upland and Environs of Eastern Interior Alaska and Eastern Yukon, Canada U-Pb Isotopic Data and Ages of Detrital Zircon from Selected Rocks from Southwestern Alaska and the Yukon-Tanana Upland and Environs of Eastern Interior Alaska and Eastern Yukon, Canada
This dataset contains U-Pb isotopic data and associated ages of detrital zircon from sedimentary and metasedimentary rocks collected from southwestern Alaska and from the Yukon-Tanana upland and environs of eastern interior Alaska and western Yukon, Canada. The samples were collected as part of geological mapping and research conducted from 1996 to 2021 and funded by the Mineral...
Particulate mercury isotope results, fiber optic thermal survey data, and nearshore surface sediment results at the Bremerton Naval Complex, Washington, USA, 2020-21 Particulate mercury isotope results, fiber optic thermal survey data, and nearshore surface sediment results at the Bremerton Naval Complex, Washington, USA, 2020-21
This data release contains four data sets that support ongoing U.S. Geological Survey investigations, in cooperation with the U.S. Navy, at the Bremerton Naval Complex (BNC), Sinclair Inlet, Washington. Child item #1 includes reported concentrations of mercury isotopes in 28 samples of new (2018-19) or archived (2008-09) particulate samples from the BNC, surface sediment from Sinclair...
Model Archive Summary and Time-Series Suspended-Sediment Concentration Computed from a Surrogate Turbidity Regression at USGS Station 381410121395801; Miner Slough near Rio Vista, California (2015-2017) Model Archive Summary and Time-Series Suspended-Sediment Concentration Computed from a Surrogate Turbidity Regression at USGS Station 381410121395801; Miner Slough near Rio Vista, California (2015-2017)
Model archive summary (MAS), "381410121395801_MIR_ExpandedMAS.docx", describing the development of a continuous 15-minute suspended-sediment concentration (SSC) time series regression model for the site: Miner Slough near Rio Vista (U.S. Geological Survey (USGS) site # 381410121395801). The SSC time series is computed from instream turbidity data that is managed by the California...
Breeding Biology of Loon and Waterfowl Species on the Yukon Delta National Wildlife Refuge, Alaska during 1973-1975 Breeding Biology of Loon and Waterfowl Species on the Yukon Delta National Wildlife Refuge, Alaska during 1973-1975
This data package presents legacy loon and waterfowl breeding biology data collected at study sites near the Old Chevak Field Station on the Yukon Delta National Wildlife Refuge (formerly the Clarence Rhode National Wildlife Range), Alaska during the summers of 1973 through 1975. These data were collected to provide a basis for the evaluation of long-term changes in loon (Pacific and Red...
Survival Data for Translocated Adults and Captive-Reared Juvenile Giant Gartersnakes in Sacramento County, California (2018-2021) Survival Data for Translocated Adults and Captive-Reared Juvenile Giant Gartersnakes in Sacramento County, California (2018-2021)
The dataset consists of two csv files one for adult snakes and one for captive-reared juvenile snakes. The data contains start times (when snakes entered the study) and end times (when snakes died or were censored from the study) for survival analysis. The data also contains general information about the individual snakes (id, snout-vent length, treatment group, whether or not they were