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High frequency and region-scale simulations of large (Mw7+) earthquakes on the southern Whidbey Island fault, Washington, USA High frequency and region-scale simulations of large (Mw7+) earthquakes on the southern Whidbey Island fault, Washington, USA
This dataset consists of 3-component velocity time-series that describe ground shaking from simulated Mw7+ earthquakes on the southern Whidbey Island fault in Washington state. These were produced in support of the research project described in Stone et al. (2025) "High frequency and region-scale simulations of large (Mw7+) earthquakes on the southern Whidbey Island fault, Washington...
Shapefiles of Digitized Backwater Extent Behind Willwood Dam on the Shoshone River, near Cody, Wyoming Derived from 2012, 2015, 2017, 2019, and 2022 National Agriculture Imagery Program Imagery Shapefiles of Digitized Backwater Extent Behind Willwood Dam on the Shoshone River, near Cody, Wyoming Derived from 2012, 2015, 2017, 2019, and 2022 National Agriculture Imagery Program Imagery
The Wyoming-Montana Water Science Center, in cooperation with the Wyoming Department of Environmental Quality, digitized layers to determine the backwater extent behind Willwood Dam on the Shoshone River near Cody, Wyoming from 2012, 2015, 2017, 2019, and 2022 National Agriculture Imagery Program (NAIP) imagery. Digitizing layers of water extents behind Willwood Dam through time allows...
Modeled bedload-transport capacity for the Siletz River, Oregon Modeled bedload-transport capacity for the Siletz River, Oregon
Bedload-transport capacity models of the Siletz River, Oregon, were developed using standard sediment transport equations (Parker, 1990a,b; Wilcock and Crowe, 2003; Recking, 2013) for the reach from Moonshine Park to the town of Siletz, Oregon (river kilometers 87.2 to 68.5) to evaluate bedload transport capacity over a broad range of streamflows. Models were used to assess longitudinal...
Model outputs and model code for machine learning models forecasting streamflow drought across the Conterminous United States Model outputs and model code for machine learning models forecasting streamflow drought across the Conterminous United States
We applied machine learning (ML) models to forecast streamflow drought from 1 to 13 weeks into the future at more than 3,000 streamgage locations across the Conterminous United States. We applied two machine learning methods (long short-term memory [LSTM] neural network; light gradient boosting [LightGBM] machine) and two benchmark model approaches (persistence; autoregressive integrated...
At-site flood frequency estimates for 154 urban streamgages in Washington D.C. and parts of Delaware, Maryland, New Jersey, Pennsylvania, and Virginia using data through water year 2022 At-site flood frequency estimates for 154 urban streamgages in Washington D.C. and parts of Delaware, Maryland, New Jersey, Pennsylvania, and Virginia using data through water year 2022
This dataset contains site information and results of flood frequency analysis for 154 urban streamflow gaging stations (streamgages) operated by the U.S. Geological Survey (USGS) in Washington D.C. and parts of Delaware, Maryland, New Jersey, Pennsylvania, and Virginia. Site information and annual peak-flow data from the 1924 - 2022 water years were obtained from the USGS National Water
Metabolic Rate, Body Composition, Diet, Behavior, Blood Chemistry, Stable Isotope, Tri-axial Accelerometer, and GPS Locations of Grizzly Bears (Ursus arctos) on the North Slope of Alaska, USA, 2023 Metabolic Rate, Body Composition, Diet, Behavior, Blood Chemistry, Stable Isotope, Tri-axial Accelerometer, and GPS Locations of Grizzly Bears (Ursus arctos) on the North Slope of Alaska, USA, 2023
This data release includes 4 child items with data regarding metabolic rate, body composition, diet, behavior, blood chemistry, stable isotope, tri-axial accelerometer, and GPS locations of grizzly bears (Ursus arctos) on the North Slope of Alaska, 2023. Child Item 1: "GPS Location Data from Grizzly Bears (Ursus arctos) Instrumented on the North Slope of Alaska, USA, 2023" Child Item 2:...
Multi-proxy geochemical and sedimentological data from 20 short sediment cores collected along the Euphrates, Tigris, and Shatt al-Gharraf rivers in the lower Mesopotamian Plain, Iraq Multi-proxy geochemical and sedimentological data from 20 short sediment cores collected along the Euphrates, Tigris, and Shatt al-Gharraf rivers in the lower Mesopotamian Plain, Iraq
This data release presents multi-proxy geochemical and sedimentological data from 20 short sediment cores (ranging 50–70 cm in depth) collected in 2003 along the Euphrates, Tigris, and Shatt al-Gharraf rivers in the Lower Mesopotamian Plain, Iraq. The dataset includes X-ray fluorescence (XRF) elemental abundances, particle size distributions, visible and near-infrared spectrophotometry...
National Shoreline Change—A GIS compilation of vector shorelines and associated shoreline change data from the 1800s to the 2010s for the coast of Long Island Sound, New York and Connecticut National Shoreline Change—A GIS compilation of vector shorelines and associated shoreline change data from the 1800s to the 2010s for the coast of Long Island Sound, New York and Connecticut
The U.S. Geological Survey (USGS) maintains shoreline positions for the United States coasts from various historical sources, such as aerial photographs or topographic surveys, and contemporary sources, such as lidar-point clouds and digital elevation models. Shorelines are compiled in a GIS and analyzed in the USGS Digital Shoreline Analysis System (DSAS) software to calculate rates of...
Physical volcanology data and measurements (grain size, grain shape, thickness, maximum clast size, ballistic block size, and componentry) from the May 11–27, 1924 tephra deposits of Halemaʻumaʻu crater, Kīlauea volcano, Island of Hawaiʻi Physical volcanology data and measurements (grain size, grain shape, thickness, maximum clast size, ballistic block size, and componentry) from the May 11–27, 1924 tephra deposits of Halemaʻumaʻu crater, Kīlauea volcano, Island of Hawaiʻi
Over 16 days from May 11–27, 1924, there were more than 50 explosions from Halemaʻumaʻu crater at Kīlauea volcano on the Island of Hawaiʻi. These explosions ejected blocks weighing >12,000 kg, as well as extremely fine ash to lapilli size tephra. The greatest thicknesses of tephra were at the summit region of Kīlauea, but some tephra fell on Wood Valley, Pāhala, and Waiʻōhinu to the...
Delineated watersheds and snapped locations for select streamgages in and near Wyoming Delineated watersheds and snapped locations for select streamgages in and near Wyoming
The U.S. Geological Survey (USGS), in cooperation with the Wyoming Water Development Office, delineated watersheds for 800 active and discontinued USGS streamgages in and near Wyoming. This data release includes shapefiles of streamgage location points and polygons of their delineated watersheds. Streamgage locations were snapped to the USGS High Resolution National Hydrography Dataset...
Soil data release of Open-File Report 02-277, collected on marine terraces near Santa Cruz, California in 1981 Soil data release of Open-File Report 02-277, collected on marine terraces near Santa Cruz, California in 1981
This data release represents samples collected in 1981 along a series of five marine terraces between Ano Nuevo and Santa Cruz in California as a part of a U.S. Geological Survey project led by Dennis Marchand to study soil chronosequences in the Western United States. These sequential surfaces of soils have similar key elements for development in the slope, climate, vegetation, and...
Sediment macrofaunal composition, stable isotopes, organic content, and grain size of the Cascadia margin (Pacific Ocean), June 2019 Sediment macrofaunal composition, stable isotopes, organic content, and grain size of the Cascadia margin (Pacific Ocean), June 2019
Dataset of sediment macrofaunal communities, geochemistry, and grain size associated with chemosynthetic and soft-sediment habitats along the Cascadia margin, Pacific Ocean, in 2019.