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Geochemical data including mercury for subsamples of deep cores from the Cache Creek Settling Basin, Yolo County, California Sediment cores were collected in the Cache Creek Settling Basin (CCSB), Yolo County, California, during October 2011 at 10 locations (borehole sites) and during August 2012 at 5 other locations. Total core depths ranged from approximately 4.6 to 13.7 meters (15 to 45 feet), with penetration to about 9.1 meters (30 feet) at most locations. Detailed subsampling (3-centimeter intervals) was done at total of seven locations: six along an east-west transect in the southern part of the Cache Creek Settling Basin and at one in the northern part of the basin for analyses of total mercury; organic content; and cesium-137, which was used for dating. This data release reports results of the analyses of each subsample of these... Categories: Data; Tags: Cache Creek Settling Basin, Sacramento River Watershed, Sacramento–San Joaquin River Delta, USGS Science Data Catalog (SDC), Woodland, CA, All tags... Yolo Bypass, Yolo County, basin, cesium, chemical analysis, drilling and coring, environment, field sampling, geochemistry, isotopic analysis, mercury, mercury contamination, none, sediment geochemistry, wetlands, Fewer tags Data release for Independent age estimates resolve the controversy of ancient human footprints at White Sands Human footprints at White Sands National Park, New Mexico, USA, reportedly date to between ~23,000 and 21,000 years ago according to radiocarbon dating of seeds from the aquatic plant Ruppia cirrhosa. These ages remain controversial because of potential old carbon reservoir effects that could compromise their accuracy. We present new calibrated 14C ages of terrestrial pollen collected from the same stratigraphic horizons as those of the Ruppia seeds, along with optically stimulated luminescence ages of sediments from within the human footprint–bearing sequence, to evaluate the veracity of the seed ages. The results show that the chronologic framework originally established for the White Sands footprints is robust... Categories: Data; Tags: Chihuahuan Desert, Last Glacial Maximum, New Mexico, Paleolake Otero, USGS Science Data Catalog (SDC), All tags... White Sands National Park, White Sands National Park, footprints, none, radiocarbon dating, Fewer tags Water Budget of the Sierra Vista Subwatershed of the Upper San Pedro Basin, 2002 - 2012 and 2020 Groundwater budgets were compiled from 2002 to 2012 and 2020 for the Sierra Vista Subwatershed for the Upper San Pedro Partnership. In 2012, the annual groundwater budget was estimated to be about -5,000 acre-ft per year (negative values indicate a deficit, where more water is removed from the system than is being returned; positive values indicate a surplus, where more water is entering the system than is being removed). In 2020 the Sierra Vista Subwatershed groundwater budget deficit has decreased to about -3,600 acre-ft per year. This is the smallest deficit calculated since the Upper San Pedro Partnership started to track the groundwater budget beginning in 2002. The total water budget uncertainty is estimated... Categories: Data; Tags: Arizona Water Science Center, Cochise County, Pima County, San Pedro River, Santa Cruz County, All tags... Sierra Vista, USGS Science Data Catalog (SDC), Upper San Pedro Partnership, geoscientificInformation, groundwater budget, hydrogeology, none, Fewer tags Airborne magnetic and radiometric survey, southeast Missouri and western Illinois, 2018-2019 This publication provides digital flight line data for a high-resolution horizontal magnetic gradient and radiometric survey over an area of southeast Missouri and western Illinois. The survey represents the first airborne geophysical survey conducted as part of the U.S. Geological Survey (USGS) Earth Mapping Resource Initiative (Earth MRI) effort (Day, 2019). Earth MRI is a cooperative effort between the USGS, the Association of American State Geologists, and other Federal, State, and private sector organizations to improve our knowledge of the geologic framework of the United States. Data for this survey were collected by Terraquest, Ltd. under contract with the USGS using a fixed wing aircraft with magnetometers... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Earth Mapping Resources Initiative, EarthMRI, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Illinois, All tags... Ironton, MRP, Mineral Resources Program, Missouri, USGS Science Data Catalog (SDC), aeromagnetic surveying, aeroradiometric surveying, airborne geophysical survey, economy, geophysics, geoscientificInformation, geospatial datasets, horizontal magnetic gradiometry, none, potassium, thorium, uranium, Fewer tags USGS Denver Micro-fossil collection: Fossil Algae The Denver fossil algae database were gathered from the inception of Denver Region in 1953 by Richard Rezak. His specialty was algae, carbonate platforms, and off-shore modern reefs. He developed a very useful litho-stratigraphic tool while studying Proterozoic algae and stromatolites in Glacier National Park. This lead to his studies of modern analogs in the Caribbean and South Seas. His catalogs were converted into digital form, Excel and Filemaker Pro database. The Catalog consist of 1001 fossil localities. His supplementary data has been added whenever possible - sources field map locality points, E&R files with enhanced faunal lists, as well as formal publications Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Eastern Asia, USGS Science Data Catalog (SDC), United States, algae, biota, All tags... fossils, litho-stratigraphy, none, stromatolites, Fewer tags Autonomous Underwater Vehicle Water-Quality and Sonar Measurements in Delaware River near Philadelphia, Pennsylvania, 2019 These data sets were created in support of the U.S. Geological Survey's (USGS) Next Generation Water Observing System (NGWOS) for the Delaware River Basin pilot study (Eberts, Wagner, and Woodside, 2019). The NGWOS utilizes real-time data, improved computational capabilities, and new technologies such as the rapid deployment of unmanned aerial vehicle's (UAV) and autonomous underwater vehicle's (AUV) to provide information on water quantity and quality, in more locations, quickly and efficiently (Eberts, Wagner, and Woodside, 2019). Combined with advanced modeling applications, the NGWOS will be an important tool for water-resource managers and emergency management. Water-quality and bathymetric data were measured... Categories: Data; Tags: Delaware, Delaware River, Philadelphia, Philadelphia County, USGS Science Data Catalog (SDC), All tags... Wilmington, algal blooms, environment, inlandWaters, lakes, none, oxygen content (water), rivers, water chemistry, water quality, Fewer tags Particle-size analysis results for a variety of natural and man-made materials used to assess the precision and accuracy of laboratory laser-diffraction particle-size analysis of fluvial sediment The dataset documents results from testing of 1) vendor-supplied reference materials 2) NIST-traceable polysidperse glass bead reference materials 3) mixtures of commercially-available glass beads 4) mixtures of internal reference materials prepared from geologic material Categories: Data; Tags: USGS Science Data Catalog (SDC), Vancouver, Washington, laser diffraction, method performance, none, All tags... particle-size analysis, sediment, Fewer tags Data from a reactive transport modeling study of cave seepage water chemistry Karst systems are useful for examining spatial and temporal variability in Critical Zone processes because they provide a window into the subsurface where waters have interacted with vegetation, soils, regolith, and bedrock across a range of length and time scales. The majority of Critical Zone research has emphasized silicate lithologies, which are typified by relatively slow rates of reactivity and incongruent weathering. However, weathering of carbonate dominated lithology can result in secondary mineral deposits, such as speleothems, which provide a long-term archive for Critical Zone processes. Examination of carbon isotope variability in speleothems has the potential to provide records of changes in vegetation,... Categories: Data; Tags: Blue Springs Cave, Tennessee, USGS Science Data Catalog (SDC), White County, carbon, All tags... cave, elemental chemistry, geoscientificInformation, isotopes, karst, none, radiocarbon, soil, trace elements, Fewer tags Environmental DNA metabarcoding as a tool for biodiversity assessment and monitoring: Reconstructing established fish communities of north-temperate lakes and rivers To evaluate the ability of precipitation-based environmental DNA (eDNA) sample collection and mitochondrial 12S metabarcoding sequencing to reconstruct well-studied fish communities in lakes and rivers. Specific objectives were to 1) determine correlations between eDNA species detections and known community composition based on traditional field sampling, 2) compare efficiency of eDNA to detect fish biodiversity among systems with variable morphologies and trophic states, and 3) determine if species habitat preferences predicts eDNA detection. Fish community composition was estimated for seven lakes and two MIssissippi River navigation pools using sequence data from the mitochonrial 12S gene amplified from 10 to... Categories: Data; Tags: 12S gene, Aquatic Biology, Crystal Lake, Genetics, Lake Mendota, All tags... Lake Wingra, McDermott Lake, Sparkling Lake, Trout Bog, Trout Lake, USGS Science Data Catalog (SDC), Wisconsin lakes, biota, community ecology, environmental DNA, environmental DNA, fisheries, habitat, metagenomics, none, upper Mississippi River, upper Mississippi River Pool 13, upper Mississippi River Pool 19, Fewer tags Data Release for Latency Testing of Wireless Emergency Alerts intended for the ShakeAlert earthquake early warning system for the West Coast of the United States of America ShakeAlert, the earthquake early warning (EEW) system for the West Coast of the United States, attempts to provides crucial warnings before strong shaking occurs. However, because the alerts are triggered only when an earthquake is already in progress, and the alert latencies and delivery times are platform dependent, the time between these warnings and the arrival of shaking is variable. The ShakeAlert system uses, among other public alerting platforms like Google Android operating system and smartphone apps, the Federal Emergency Management Agency Integrated Public Alert & Warning System (IPAWS). IPAWS sends Wireless Emergency Alerts (WEAs) informing people via their smartphones and other mobile devices about... Categories: Data; Tags: Earthquake Early Warning, USGS Science Data Catalog (SDC), Wireless Emergency Alert, Wireless Emergency Alerts, biota, All tags... earthquake early warning, geofence, geofence, latency, latency, none, Fewer tags Backwater Sedimentation in Navigation Pools 4 and 8 of the Upper Mississippi River data Transects in backwaters of Navigation Pools 4 and 8 of the Upper Mississippi River (UMR) were established in 1997 to measure sedimentation rates. Annual surveys were conducted from 1997-2002 and then some transects surveyed again in 2017-18. Changes and patterns observed were reported on in 2003 for the 1997-2002 data, and a report summarizing changes and patterns from 1997-2017 will be reported on at this time. Several variables are recorded each survey year and placed into an Excel spreadsheet. The spreadsheets are read with a SAS program to generate a SAS dataset used in SAS programs to determine rates, depth loss, and associations between depth and change through regression. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Erosion, Mississippi River, Navigational Pool, Sedimentation, USGS Science Data Catalog (SDC), All tags... Upper Mississippi River, biota, none, Fewer tags Adaptive Capacity Indicators for HUC-8 Watersheds in US FWS Region 3 This file contains five metrics that were selected to collectively represent the adaptive capacity of each of the 360 HUC-8 watersheds in US Fish and Wildlife Service Region 3 (Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio, and Wisconsin). The metrics were: percent cultivated, density of dams, projected increase in developed land cover, landscape diversity and local connectedness. Percent cultivated land cover was obtained from the National Agricultural Statistics Services 2018 Cultivated layer and was calculated by dividing the number of cultivated grid cells by the total number of grid cells in each watershed. Density of dams was calculated as the number of dams per area of the watershed using the... Categories: Data; Tags: Adaptation Planning, Climate Change Vulnerability Assessment, Decision-relevant Metrics, Watershed Model, biota, All tags... none, Fewer tags Radiocarbon measurements, census counts of benthic foraminifera, diatoms, and palynomorphs, and geochemistry from core 721-1 obtained in 2002 off San Francisquito Creek in South San Francisco Bay The urbanized area of downtown Menlo Park is subject to persistent flooding and sediment deposition by San Francisquito Creek in South San Francisco Bay. To mitigate these events, a suite of cores was collected in 2002 at the mouth of the creek to determine sediment depositional rates on the delta. One of those cores (721-1) was selected for microbiological (pollen, diatoms, and foraminifera) and geochemical analyses to reconstruct a depositional record over the past two millennia. This data release provides radiocarbon dates, census counts of benthic foraminifera, diatoms, and palynomorphs, and the measurement of anthropogenic metals and other elements in sediments from this core. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Habitat, Hooks Point, Invertebrates, All tags... PCMSC, Pacific Coastal and Marine Science Center, San Francisco Bay, San Francisquito Creek, Substrate, U.S. Geological Survey (USGS), USGS, animals, bay, benthic foraminifera, biota, carbon-14 analysis, chemical analysis, diatoms, environment, foraminifera, geochemistry, geoscientificInformation, gravity coring, marine chemistry, mass spectroscopy, mercury analysis, none, organisms, palynology, protists, radiometric dating, sediment deposition, sediment geochemistry, sediment-pollutant interaction, society, Fewer tags Field-verified inventory of postfire debris flows for the 2021 Dixie Fire following a 23-25 October 2021 atmospheric river storm and 12 June 2022 thunderstorm Summary This data release is a field-verified inventory of postfire debris flows for the 2021 Dixie Fire following a 23-25 October 2021 atmospheric river storm and 12 June 2022 thunderstorm. The “README.txt” file describes the fields for the “Inventory.csv” file. The “Chambers” and “Chips” rain gage data referenced in the inventory are included as: “Chambers-Oct2021-Storm.csv”, “Chambers-Jun2022-Storm.csv”, “Chips-Oct2021-Storm.csv”, and “Chips-Jun2022-Storm.csv.” The fields for the rain gage data, which includes the geographic locations of the gages, are also described in the “README.txt” file. Fields with value “-9999” indicate that data are not available or do not exist. Categories: Data; Tags: California, Plumas National Forest, USGS Science Data Catalog (SDC), biota, debris flow, All tags... hydrology, none, Fewer tags Geochemistry Data from Samples Collected in 2015-2017 to study an OG wastewater spill in Blacktail Creek, North Dakota These metadata sets present the comprehensive geochemical composition of solid and water samples from the site of a 11.4ML (million liters) wastewater spill discovered in January, 2015. Analyses of a pipeline sample (analyses of select analytes), supplied by the North Dakota Department of Health are also included. The spill was near Blacktail Creek, north of Williston, ND. The leak was from a pipeline located approximately 70m from Blacktail Creek. The creek flows 17km before entering the Little Muddy River, a tributary to the Missouri River. The study included samples collected in waters upstream and downstream from Blacktail Creek in February and June 2015, June 2016, and June 2017. These data sets include field... Categories: Data; Tags: Bakken, Blacktail Creek, Little Muddy, NVDOC, North Dakota, All tags... USGS Science Data Catalog (SDC), Williams, Williston Basin, ammonium, anions, barium, brine spills, cations, chemical analysis, chromatography, environment, geochemistry, major ions, none, nutrient content (water), oxygen content (water), oxygen isotope analysis, radium, radium isotopes, salinity, semi-volatile hydrocarbons, strontium, strontium isotopes, surface water quality, trace elements, unconventional oil and gas production, water pH, water properties, water temperature, Fewer tags Avian morbidity and mortality data reported to the Wildlife Health Information Sharing Partnership - event reporting system (WHISPers) in the continental United States for events beginning on or between January 1, 2023 and December 31, 2023 Avian morbidity and mortality events reported in WHISPers that began in calendar year 2023. Events reported in WHISPers represent only those events that are reported to the USGS National Wildlife Health Center or the Southeastern Cooperative Wildlife Disease Studies at the University of Georgia, or that State, Federal, and Tribal partners voluntarily report into WHISPers, not legal, and marked as “Visible to the Public”. Categories: Data; Tags: USGS Science Data Catalog (SDC), United States, avian, cause of death, morbidity, All tags... mortality, none, wild bird, Fewer tags Water chemistry data for samples collected at groundwater sites near the Fruitvale oil field, September 2016–February 2017, Kern County, California (ver. 2.0, July 2020) As part of the California State Water Resources Control Board’s Oil and Gas Regional Monitoring Program , the U.S. Geological Survey collected groundwater and quality-control (QC) samples during September 2016–February 2017 from 14 water-production wells located within a one-mile buffer zone of and in the Fruitvale Oil field, Kern County, California. Samples were analyzed for water-quality indicators, major and minor ions, nutrients, trace elements, volatile organic compounds, naturally occurring radioactive material, geochemical and age-dating tracers, dissolved organic carbon, dissolved standard and hydrocarbon gases, and dissolved noble and atmospheric gases. In total, 235 constituents and water-quality indicators... Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bakersfield, California, Central Valley, Fruitvale, Fruitvale oil field, All tags... Groundwater, Groundwater, Kern, Kern River, Regional Monitoring Program, USGS Science Data Catalog (SDC), Water quality, aquifer, geochemistry, groundwater, groundwater aquifer, groundwater quality, inlandWaters, none, salinity mapping, water chemistry, Fewer tags Percent Change in Exposure Indicators at HUC-8 scale from US FWS Region 3 Climate Change Vulnerability Assessment Map This dataset contains the percent change in means (over 20-year periods) of annual climate change metrics calculated from the climate change inputs and the hydrology outputs from the HAWQS/SWAT model. The metrics are fifteen climate change indicators evenly divided into three categories: temperature, precipitation, and hydrology that were selected by resource managers working in Region 3 of the United States Fish and Wildlife Service. The projected percent change in each of these indicators from the baseline period (1986-2005) to the future period (2040-2059) in provided at the HUC-8 scale for USFWS Region 3 (Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio, and Wisconsin).These indicators were used... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Adaptation Planning, Climate Change Vulnerability Assessment, Decision-Relevant Metrics, Watershed Model, biota, All tags... none, Fewer tags Short vs intermediate-term fate of glucose and oxalic acid in surface and subsurface soils of a coastal grassland near Santa Cruz California Though the primary sources of organic matter to soil are plant inputs, the role of microorganisms as mediators of soil organic carbon preservation is increasingly recognized in the context of biological contributions to long-lived soil organic matter. However, current knowledge of sub-soil processes is insufficient to model microbial-derived carbon flow particularly at depth. Using a previously studied paleo-marine terrace (90 ka) located just north of Santa Cruz, CA, we characterized for three depths in the soil profile (-25, -75, and -125 cm) the short-term (days to weeks) and intermediate-term (months to years) fate of some of the most dynamic components of soil organic matter pools, low molecular weight organic... Categories: Data; Tags: USGS Science Data Catalog (SDC), biota, environment, none Pesticides, pharmaceuticals, and wastewater indicator compounds in water and bottom sediment samples collected from Great Lake tributaries, 2019 This dataset consists of select contaminants of emerging concern (CEC) including pesticides and transformation products, pharmaceuticals and transformation products, and wastewater indicator compound results measured in 131 surface water, 129 bottom sediment, 7 field replicate, and 6 field blank samples collected from 131 sites located on 27 tributaries of the Great Lakes during the summer of 2019. Samples were analyzed at the U.S. Geological Survey National Water Quality Laboratory (NWQL). Surface water samples were collected and analyzed for 238 pesticides, pesticide transformation products, and surrogate compounds (NWQL laboratory schedule 2437; Sandstrom and others, 2015), 152 pharmaceuticals, pharmaceutical... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Au Gres River, Buffalo River, Cattaraugus River, Chippewa River, East Twin River, All tags... Eighteenmile River, Elk River, Escanaba River, Galien River, Genesee, Grand River, Great Lakes, Huron River, Indiana, Johnson, Lake Erie, Lake Huron, Lake Michigan, Lake Ontario, Manistee River, Manistique River, Michigan, New York, Oak Orchard, Ohio, Ontonagon River, Pennsylvania, Pinnebog River, Root River, Saginang River, Saint Joseph River, Salt River, Seney Refuge River, Tonawanda River, USGS Science Data Catalog (SDC), Vermillion River, West Twin River, Whitefish, Wisconsin, contamination and pollution, dissolved contaminants, none, pesticide and herbicide contamination, pharmaceutical contamination, surface water quality, water quality, Fewer tags 1 2 3 4 »