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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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Carbon Dioxide Storage Resources - California Basins: Chapter Q, Spatial Data Carbon Dioxide Storage Resources - California Basins: Chapter Q, Spatial Data

This data release provides shapefiles that represent storage assessment units (SAUs) and drilling-density cells in the Central California Coast, Los Angeles, Sacramento, San Joaquin, and Ventura Basins of California in the United States. The SAU is the fundamental unit used in the National Assessment of Geologic Carbon Dioxide Storage Resources project for the assessment of geologic CO2...

Argon data for samples from Kenya and Ethiopia Argon data for samples from Kenya and Ethiopia

Ar/Ar data are for 12 samples that record the eruption age of tephra. The geochronology provides time constraints for the ages of tephra and interbedded sediments and fossils from Kenya and Ethiopia. Samples were collected by Erin Dimaggio (Pennsylvania State University), who brought them to the USGS Denver Argon Geochronology Laboratory for Ar/Ar analysis. Samples were analyzed in...

Detrital zircon U-Pb data for reconnaissance characterization of strata across the Intermountain West region of the United States Detrital zircon U-Pb data for reconnaissance characterization of strata across the Intermountain West region of the United States

This document describes sedimentary rock samples and their associated detrital zircon U-Pb data that were collected to support geologic mapping and research initiatives within the context of the Geologic Framework of the Intermountain West Project. The data characterize the age and/or provenance of Neoproterozoic to Miocene strata exposed across the Intermountain West region of the...

Towards an integrated theory of body size distributions, life history and functional traits, and environmental flows in freshwater ecosystems Towards an integrated theory of body size distributions, life history and functional traits, and environmental flows in freshwater ecosystems

Efforts to quantify and explain individual size distributions (ISD) are prominent in ecological research and potentially for applications to management which increasingly consider ecosystem-scale objectives. We use a nation-wide database of individual size measurements for United States stream fishes paired with species’ traits and test for direct and indirect effects of traits, flow...

Model and Data Resources Supporting Water-Quality Modeling of Hydrologic Systems Model and Data Resources Supporting Water-Quality Modeling of Hydrologic Systems

This dataset provides detailed information on availability of model resources (including models and datasets) that support the modeling of six key water-quality constituents (or constituent categories) across the hydrologic system. In addition, resources associated with nine “cross-cutting” topics for modeling water quality are included, with “cross-cutting” defined herein as having...
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