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Surface water microplastics concentrations and characteristics from inland lakes in Minnesota, 2023: Version 1 Surface water microplastics concentrations and characteristics from inland lakes in Minnesota, 2023: Version 1
This dataset describes the total concentration (Microplastics per Liter - MPL) of microplastics in surface water from eighteen distinct inland lakes in Minnesota. It also includes individual microplastic characteristics such as the longest measured dimension, width perpendicular to the longest dimension, color, morphology, length-to-width ratio, and composition. Spatial land use data, U...
Infrasound Propagation Modeling Output for the 1992 eruption of Mount Spurr Infrasound Propagation Modeling Output for the 1992 eruption of Mount Spurr
Data release for the output of infrasound propagation modeling for the August 18th, 1992 eruption of Mount Spurr.
Reports of Hearing and Not Hearing the 1992 eruption of Mount Spurr Reports of Hearing and Not Hearing the 1992 eruption of Mount Spurr
Observations of locations where the August 18th, 1992 eruption of Mount Spurr was heard and not heard around Alaska.
Turbidity model input and output data and associated imagery from May 2022 to November 2023 at Colorado River near Cameo, Colorado Turbidity model input and output data and associated imagery from May 2022 to November 2023 at Colorado River near Cameo, Colorado
Regression models were developed with reflectance values from remote-sensing imagery and concurrent turbidity measurements during a 2 year period at Colorado River near Cameo, Colorado streamgage (U.S. Geological Survey station number 09095500). Three types of remote sensing systems were tested including satellite- and ground-based sensors. Models relate the explanatory variables...
Radiocarbon ages from sites in Peru generated during joint volcano hazards projects carried out by the U.S. Geological Survey Volcano Disaster Assistance Program, Instituto Geofisico del Peru, and Instituto Geologico, Minero y Metalurgico del Peru Radiocarbon ages from sites in Peru generated during joint volcano hazards projects carried out by the U.S. Geological Survey Volcano Disaster Assistance Program, Instituto Geofisico del Peru, and Instituto Geologico, Minero y Metalurgico del Peru
We present the results of 14C age analysis of samples collected during multiple projects that are part of an ongoing, joint initiative of the U.S. Geological Survey Volcano Disaster Assistance Program with the Instituto Geológico Minero y Metalúrgico and Instituto Geofísico del Perú. These projects are part of a wider effort to better understand Peru’s many volcanoes and provide baseline...
Basin characteristics rasters in support of estimation of magnitude and frequency of floods for rural, unregulated streams in Virginia and West Virginia, 2025 Basin characteristics rasters in support of estimation of magnitude and frequency of floods for rural, unregulated streams in Virginia and West Virginia, 2025
This dataset was produced by the US Geological Survey (USGS) as a supporting dataset for calculating stream-gage basin characteristics within the Virginia and West Virginia StreamStats applications. This data release contains the supporting raster representations of various soil and land use attributes generated as explanatory variables for the 2025 flood-frequency study for Virginia and...