Data Releases
The data collected and the techniques used by USGS scientists should conform to or reference national and international standards and protocols if they exist and when they are relevant and appropriate. For datasets of a given type, and if national or international metadata standards exist, the data are indexed with metadata that facilitates access and integration.
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Model outputs of habitat suitability for three invasive tegu lizards across the contiguous United States under current and future climate scenarios Model outputs of habitat suitability for three invasive tegu lizards across the contiguous United States under current and future climate scenarios
This data release is comprised of two datasets; 1) a .tif file containing species distribution model (SDM) outputs for three invasive tegu species (Salvator merianae, S. rufescens, Tupinambis teguixin) across the contiguous United States (CONUS) for three climate scenarios (current, +2 degree C warming and +4 degree C warming). We are providing a stacked raster (9 layers total), with a...
Cosmogenic Al-26/Be-10 Isochron Burial Age Data for Pleistocene Alluvial Deposits in the Salida, Colorado Area Cosmogenic Al-26/Be-10 Isochron Burial Age Data for Pleistocene Alluvial Deposits in the Salida, Colorado Area
This data release contains three comma separated value (.csv) tables describing data from alluvial cobbles collected from a Pleistocene alluvial deposit on the noerth side of Poncha Pass, near Salida, Colorado. Tables "DryUnion_Burial_Isochron_Aluminum26_Cyr.csv" and "DryUnion_Burial_Isochron_Beryllium10_Cyr.csv" contain aluminum-26 and beryllium-10 data, respectively, for samples...
Structural measurements in the Grand Canyon region Structural measurements in the Grand Canyon region
This is a data release of a .csv file that provides measurements of structural features in the Grand Canyon region. These data document structural attitudes, used to describe the orientations of geologic features in three dimensions. Included fields describe the type of geologic feature mentioned, the azimuth and inclination of the measurement (for planar data these correspond to the...
GeoClaw model output for downstream flood hazards post-hypothetical asteroid impact in four locations derived from the 2025 Planetary Defense Conference NASA PAIR Risk Corridor GeoClaw model output for downstream flood hazards post-hypothetical asteroid impact in four locations derived from the 2025 Planetary Defense Conference NASA PAIR Risk Corridor
The flood model GeoClaw, a program that simulates shallow surface flows by solving the 2D depth-averaged shallow water equations for flow, was used to assess potential downstream flooding risk post-asteroid-impact. The examined hypothetical impact scenarios were derived from the NASA PAIR 2025 Planetary Defense Conference (PDC) risk corridor during Epoch 1: impact energy averages between...
Sagebrush Maps for the Northern Great Plains, 2023 Sagebrush Maps for the Northern Great Plains, 2023
USGS scientists acquired aerial imagery from unmanned aerial vehicles (UAV) to map sagebrush at 25 sites in the Northern Great Plains during June 2023. Data include imagery with 1.5-centimeter (cm) resolution for each 300x300 meter (m) site and imagery at 0.75 cm for each of 10 to 12, 5x5 m plots within each site, and predicted areas of sagebrush for each site from models that classify...
American Pika Occurrences and Habitat Characteristics in the Northern Rocky Mountains and Cascade Mountains, 2015-2017 American Pika Occurrences and Habitat Characteristics in the Northern Rocky Mountains and Cascade Mountains, 2015-2017
USGS scientists surveyed for American pikas (Ochotona princeps) at sites of documented occurrence before 1980 to evaluate persistance throughout Montana, Wyoming, Idaho, Oregon, and Washington, USA, 2015-2017. Scientists also surveyed for pikas and characterized talus structure and temperature to map talus and identify micro-refugia associated with temperature within a focal study in...