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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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Hawaiian Islands Hawaiian Forest Bird Surveys (HFBS) bird counts and vegetation maps 1976-1983 Hawaiian Islands Hawaiian Forest Bird Surveys (HFBS) bird counts and vegetation maps 1976-1983

In 1976-1983, the U.S. Fish and Wildlife Service conducted systematic surveys of forest birds and plant communities on all of the main Hawaiian Islands as part of the Hawaiian Forest Bird Surveys (HFBS; Scott et al. 1986). Results of this monumental effort have guided conservation efforts and provided the basis for many plant and bird recovery plans and land acquisition decisions in...
By
Pacific Island Ecosystems Research Center

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...
By
Upper Midwest Water Science Center

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.
By
Volcano Science Center

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.
By
Volcano Science Center

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...
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Colorado Water Science Center

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...
By
Volcano Science Center
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