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Shorebird survey data from Cat and Ship Island, MS, 2012-2023 Shorebird survey data from Cat and Ship Island, MS, 2012-2023
This dataset contains shorebird survey data conducted before (pre) and after (post) barrier island restoration of Cat and Ship Island, Mississippi. The Mississippi barrier islands provide critical habitat for migratory and resident shorebirds, including many federally threatened and endangered (T&E) species. Long-term monitoring of shorebirds before and after restoration is essential to...
Shoreline Change of Western Long Island, New York from Satellite Derived Shorelines Shoreline Change of Western Long Island, New York from Satellite Derived Shorelines
This data release contains tidally corrected shoreline positions for three sites of western Long Island, NY (Rockaway Peninsula, Long Beach, and Jones Beach Island). Both CSV files of tidally corrected shorelines and GeoJSON files of the region of interests (ROIs), transects, and reference shorelines are provided within respective zip files. Both file types are derived from CoastSeg v1.1...
Shoreline Electrical Resistivity Tomography (ERT) and Frequency Domain Electromagnetic (FDEM) Data along the Sinclair Inlet at the Bremerton Naval Complex, WA, June 2023 Shoreline Electrical Resistivity Tomography (ERT) and Frequency Domain Electromagnetic (FDEM) Data along the Sinclair Inlet at the Bremerton Naval Complex, WA, June 2023
This data release contains electrical resistivity tomography (ERT) and frequency domain electromagnetic (FDEM) data collected in areas of unwalled shoreline at the Bremerton Naval Complex, WA, June 1-5, 2023. Preliminary inverse results from the FDEM data area also included. Two sites were investigated: Charleston Beach and Segment 4. Charleston Beach is a gently sloping pebble beach...
Short-Lived Radium-Isotope (Radium-223 and -224) Specific Activity for Samples Collected Between November 2022 and March 2024 Along the West Florida Shelf (Indian Rocks Beach, Nature Coast, and Venice Headland) Short-Lived Radium-Isotope (Radium-223 and -224) Specific Activity for Samples Collected Between November 2022 and March 2024 Along the West Florida Shelf (Indian Rocks Beach, Nature Coast, and Venice Headland)
In 2021, a collaborative scientific investigation (National Science Foundation Grant Award OCE-2148989, Project 880516) was started for the purpose of quantifying shelf inventories and boundary fluxes of dissolved organic nitrogen and dissolved iron to the West Florida Shelf (WFS) to assess their role in supporting the oligotrophic WFS ecosystem. To assess the spatial and temporal...
SHRIMP-RG U-Pb ages and trace element data of zircons, and whole-rock Sr-Nd-Pb isotopic data, from Sonoran and Sinaloan Neoproterozoic to Paleogene metaigneous and metasedimentary samples, northern Mexico SHRIMP-RG U-Pb ages and trace element data of zircons, and whole-rock Sr-Nd-Pb isotopic data, from Sonoran and Sinaloan Neoproterozoic to Paleogene metaigneous and metasedimentary samples, northern Mexico
This dataset accompanies two proposed publications, "Descriptions and age constraints for new Jurassic flora fossils in west-central Sonora, Mexico: Results from U-Pb zircon geochronology, Sr-Nd isotopes, and megafossil taxa" and "Summary of Paleozoic and Mesozoic Rocks in Sonora and northern Sinaloa, Mexico", which will both report zircon SHRIMP-RG U-Pb ages and whole-rock isotope...
Simulated coastal fine-grained sediment plumes from beach nourishment near Santa Barbara, California Simulated coastal fine-grained sediment plumes from beach nourishment near Santa Barbara, California
A coupled hydrodynamic and sediment transport model was developed to simulate the dispersal of fine-grained sediment from beach nourishment projects near Santa Barbara, California. The model simulations were used to quantify the size and extent of sediment plumes resulting from nourishment projects and evaluate the potential impacts of beneficial use of fluvial sediment captured in...
Simulated floods, sediment entrainment, and debris-flow inundation in the Toutle and Cowlitz River valleys resulting from hypothetical dam breaches of Spirit Lake, Washington Simulated floods, sediment entrainment, and debris-flow inundation in the Toutle and Cowlitz River valleys resulting from hypothetical dam breaches of Spirit Lake, Washington
This data release contains postprocessed model output from a set of numerical simulations of hypothetical outburst floods of Spirit Lake, downstream sediment entrainment, and emergent debris flows, in the Toutle and Cowlitz River valleys in Washington State. The data release provides debris-flow inundation extent, travel times, maximum depths, and model input data (including hypothetical...
Simulated juvenile Chinook salmon movement and growth in the Yankee Fork of the Salmon River, Idaho: Model input parameters and results Simulated juvenile Chinook salmon movement and growth in the Yankee Fork of the Salmon River, Idaho: Model input parameters and results
The growth potential and movement propensity of juvenile Chinook salmon (Oncorhynchus tshawytscha) was simulated across 16 representative reaches in the Yankee Fork of the Salmon River (YFSR), Idaho. For growth potential, we used the Aquatic Trophic Productivity model, which incorporates dynamics of the food web members and the stream-riparian conditions at each reach. Environmental...
Simulated lahar extents and dynamics in the Middle Fork Nooksack River drainage, resulting from hypothetical landslide sources on the western summit of Mount Baker, Washington Simulated lahar extents and dynamics in the Middle Fork Nooksack River drainage, resulting from hypothetical landslide sources on the western summit of Mount Baker, Washington
This data release contains model input and postprocessed model output from a set of numerical simulations of hypothetical lahars initiated on Mount Baker, Washington. We constructed a set of landslide sources near the western summit of Mount Baker and simulated their initiation and downslope evolution into long-runout lahars in the Middle Fork of the Nooksack River. These simulations...
Simulated Nutrient and Sediment Concentrations from Major Rivers in Illinois Based on Continuous Monitoring from October 1, 2015, through September 30, 2023 Simulated Nutrient and Sediment Concentrations from Major Rivers in Illinois Based on Continuous Monitoring from October 1, 2015, through September 30, 2023
During water years 2016–2023 (a water year is the period from October 1 to September 30 and is designated by the year in which it ends), the U.S. Geological Survey (USGS), in cooperation with the Illinois Environmental Protection Agency (Illinois EPA), operated continuous monitoring stations on eight of the major rivers in Illinois to better quantify nutrient and sediment loadings from...
Simulated Snowpack and Meteorological Variables for the Upper Colorado River Basin and Vicinity Using CONUS404 Historical and Future Mid-Century Meteorology Simulated Snowpack and Meteorological Variables for the Upper Colorado River Basin and Vicinity Using CONUS404 Historical and Future Mid-Century Meteorology
This data release contains historical and future climate SnowModel (Liston and Elder, 2006; Liston and others, 2020; Liston, 2020) simulation outputs on a 100-meter (m) geospatial grid for a 392-kilometer (km) x 469-km model domain in the Upper Colorado River Basin. The historical simulation (control, CTL) was run from 1979-09-01 to 2022-08-31 using the CONUS404 meteorology dataset...
Simulation of Groundwater Flow in the Long Island, New York Regional Aquifer System for 2010 Daily Recharge Conditions Simulation of Groundwater Flow in the Long Island, New York Regional Aquifer System for 2010 Daily Recharge Conditions
This model archive documents a transient groundwater-flow model that simulates hydrologic conditions in the Long Island aquifer system for the year 2010, using the U.S. Geological Survey groundwater modeling software MODFLOW 6 (Langevin and others, 2017). The groundwater model is a derivative of the conditioned model documented in Jahn and others (2024), and described in Walter and...