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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Forest Dynamic Model Predictions of Density and Basal Area of Six Invasive Species Across the Ozark Region of the U.S. Midwest under Current Climate (2050) Forest Dynamic Model Predictions of Density and Basal Area of Six Invasive Species Across the Ozark Region of the U.S. Midwest under Current Climate (2050)
This dataset is a collection of TIFF file outputs from the forest dynamic model LANDIS PRO representing projections of the density and basal area for six invasive tree/shrub species under current climate conditions (avaraged from 1980-2009) in the Ozark region of the U.S. Midwest for the year 2050. The six species included in this study are autumn olive, bush honeysuckles, Callery pear...
Spatial Occurrence and Demographic Points of Six Non-Native Invasive Species across the Eastern US (2000-2020) Spatial Occurrence and Demographic Points of Six Non-Native Invasive Species across the Eastern US (2000-2020)
This dataset compiles spatial occurrence and demographic information for six non-native invasive tree and shrub species—autumn olive, bush honeysuckles, Callery pear, princess tree, privet, and tree-of-heaven—across the eastern United States from 2000 to 2020. Occurrence points were obtained from the Early Detection and Distribution Mapping System (EDDMapS), and plot-level observations...
Sublacustrine landslide and tsunami models from Lake Quinault, Washington Sublacustrine landslide and tsunami models from Lake Quinault, Washington
This USGS data release provides model setup files to simulate a hypothetical sublacustrine landslide in Lake Quinault and resulting tsunami waves.
Seismic reflection data imaging the Meadow Bank scarp in the Wabash Valley Seismic Zone, southeastern Illinois, U.S. Geological Survey data release Seismic reflection data imaging the Meadow Bank scarp in the Wabash Valley Seismic Zone, southeastern Illinois, U.S. Geological Survey data release
The U.S. Geological Survey, in collaboration with seismologists from University of Kentucky, performed a 917-meter east-west oriented shear horizontal (SH)-wave seismic-reflection survey in the Wabash Valley Seismic Zone in southeastern Illinois. The resulting profile, named ML-2, images the near-surface geology underlying the Meadow Bank scarp, a roughly 10-km long northeast-oriented...
Stakeholder Engagement for Water-Hazard Science and Response in the USGS Rocky Mountain Region Stakeholder Engagement for Water-Hazard Science and Response in the USGS Rocky Mountain Region
Stakeholder engagement is essential to successful development and implementation of products and services supporting emergency management. Governmental agencies often have a unique challenge of ensuring equitable stakeholder representation across large geographic, administrative, and topical areas. This project used stakeholder engagement to understand end-users needs concerning water...
Phytoplankton Species Composition and Abundance in the Sacramento-San Joaquin River Delta: Microscopic Enumeration of USGS Samples, beginning in 2016 (ver. 2.0, December 2025) Phytoplankton Species Composition and Abundance in the Sacramento-San Joaquin River Delta: Microscopic Enumeration of USGS Samples, beginning in 2016 (ver. 2.0, December 2025)
This dataset contains multiple types of data characterizing phytoplankton in the Sacramento-San Joaquin Delta (California, USA). 1) Bright field microscopy was used to identify and enumerate phytoplankton community composition; 2) Epifluorescent microscopy was used to enumerate picophytoplankton (phytoplankton cells less than 2 microns in diameter) and, 3) a categorical visual index...
Phytoplankton, algal toxin, and water-quality data for Blue Mesa Reservoir, Colorado, 1970–2023 Phytoplankton, algal toxin, and water-quality data for Blue Mesa Reservoir, Colorado, 1970–2023
Blue Mesa Reservoir (Blue Mesa) is the largest storage reservoir in Colorado and is used for water supply and recreation. The reservoir consists of three distinct basins which are, moving from east to west, Iola, Cebolla, and Sapinero. This data release includes a wide variety of data collected to understand conditions that contribute to algal blooms in Blue Mesa. Data include...
Predictive layers of trace elements in soil in the conterminous United States Predictive layers of trace elements in soil in the conterminous United States
This dataset provides posterior mean predicted rasters of the distribution of trace elements important to vertebrate health (cobalt, copper, iron, manganese, selenium, and zinc) in the soil across the conterminous United States. Rasters were generated using a Bayesian modeling framework implemented in R with the R-INLA framework (Integrated Nested Laplace Approximation) and the...
Six Fathom Bank and Yankee Reef Gillnet and Beam Trawl Data 1991-2022 Six Fathom Bank and Yankee Reef Gillnet and Beam Trawl Data 1991-2022
Annual spring/summer (May-July) and fall (October) gillnet assessment surveys and spring/summer young-of-year (YOY) lake trout beam trawl surveys were conducted by researchers at the USGS Great Lakes Science Center (GLSC) in central Lake Huron on two offshore reefs, Six Fathom Bank and Yankee Reef. The spring/summer and fall gillnet assessment took place between 1991- 2022 and 1991-1998
Wyoming Range fish data 2012-2019 Wyoming Range fish data 2012-2019
The goal of the study associated with this dataset was to characterize flow-ecology relationships for Mottled Sculpin (Cottus bairdii) and Mountain Sucker (Catostomus platyrhynchus) in snowpack driven headwater streams of the Upper Green River Basin in Wyoming, U.S.A. Our objectives were to: 1) evaluate whether variation in Mottled Sculpin and Mountain Sucker abundance is driven by...
USGS National and Global Oil and Gas Assessment Project—Gulf Coast Mesozoic Province, Haynesville Formation: Assessment Unit Boundaries, Assessment Input Tables, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Gulf Coast Mesozoic Province, Haynesville Formation: Assessment Unit Boundaries, Assessment Input Tables, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units and input data for the assessment of undiscovered oil and gas resources in the Haynesville Formation within the Onshore United States and State Waters of the Gulf Coast Basin. The assessment unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The...
Laboratory optical measurements for selected streams in the Clear Lake basin, Lake County, California Laboratory optical measurements for selected streams in the Clear Lake basin, Lake County, California
Clear Lake, situated in the Coast Range west of California's Central Valley, is the largest natural freshwater lake entirely within the state. It consists of three distinct arms: the Upper Arm-a large, open-water area to the northwest; the Lower Arm-a smaller, narrower section to the southeast; and the Oaks Arm-the smallest and narrowest region, located to the east. Water quality in...