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Data for Tritium deposition in precipitation in the United States, 1953 - 2023 (ver. 2.0, May 2023) This data release documents three Microsoft Excel tables (and corresponding comma separated data files) that contain estimates of tritium in precipitation data for the continental United States. Versions of this data release contain additional tritium data for more recent years. The current version has tritium data through 2022. Table 1 contains estimates of tritium in precipitation for precipitation stations located in the continental United States. Measured precipitation data are formatted in regular font while correlated data are italicized. Table 2 contains tritium in precipitation for ninety-six 2-degree latitude by 5-degree longitude quadrangles covering the continental U.S. Latitudes are north of the equator... Categories: Data, Data Release - In Progress; Tags: Tritium, USGS Science Data Catalog (SDC), continental United States, groundwater, groundwater age, All tags... precipitation, tracers, water quality, Fewer tags Data describing the use of retention ponds on commercial poultry facilities on Delmarva by wild waterfowl These data support a paired USGS publication and document the use of retention ponds on commercial poultry farms by wild waterfowl. Categories: Data; Tags: Chesapeake Bay, USGS Science Data Catalog (SDC), Wildlife Disease, avian influenza, biota, All tags... domestic poultry, wild waterfowl, Fewer tags Great Lakes Coastal Wetland Restoration Assessment (GLCWRA) Green Bay, U.S.: Degree Flowlines This dataset is part of the U.S. Geological Survey (USGS) Great Lakes Coastal Wetland Restoration Assessment (GLCWRA) initiative. These data represent the flowline network in the Green Bay Restoration Assessment (GBRA). It is attributed with the number of disconnections (e.g., road crossings) between the reach and Lake Ontario. The more road crossings on a flowline the more disconnected that area is from the lake and the less suitable it will be for restoration. These data help identify the condition of hydrologic separation between potential restoration areas and Lake Ontario. Low numbers represent fewer disconnections, such as culverts, between the reach and the water body requiring no flow network modification... Tags: Brown, Brown County, WI, Delta, Delta County, MI, Door, All tags... Door County, WI, Great Lakes, Green Bay, Hydrology, Kewaunee, Kewaunee County, WI, Lake Michigan, Manitowoc, Manitowoc County, WI, Marinette, Marinette County, WI, Menominee, Menominee County, MI, Michigan, Oconto, Oconto County, WI, Schoolcraft, Schoolcraft County, MI, USGS Science Data Catalog (SDC), Wisconsin, environment, hydrology, hydrology, inlandWaters, lake, lakeshore, natural resource management, remediation, resource management, river, river reaches, stream, water quality, wetland, wetland ecosystems, wetland restoration, Fewer tags Hydrodynamic model of the Colorado River, Glen Canyon Dam to Lees Ferry in Glen Canyon National Recreation Area, Arizona: tables of model results and accuracy assessment These data were compiled to provide a resource for other researchers interested in water-surface elevations and flow velocity across a wide range of discharge in the study reach for the project. Objective(s) of our study were to construct a two-dimensional hydrodynamic model for the 15.8 mile tailwater reach of the Colorado River in Glen Canyon between Glen Canyon Dam and Lees Ferry, Arizona. These data represent the results of the two-dimensional modeling effort with each data table (50) including the results of each run of the model. Additionally, other data represent a comparison of modeled water surface elevations to measured water surface elevations for historic Bureau of Reclamation cross sections in the study... Tags: Arizona, Coconino County, Colorado River, Geography, Glen Canyon, All tags... Glen Canyon Dam, Glen Canyon National Recreation Area, Hydrology, Information Sciences, Lees Ferry, USGS Science Data Catalog (SDC), USGS:6595800dd34e3265ab152e47, Water Resources, accuracy assessment, bathymetry, bathymetry measurement, bed shear stress, data release, digital elevation models, elevation, flow velocity, geomorphology, geoscientificInformation, hydraulic characteristics, hydrodynamics, hydrographic datasets, inlandWaters, mathematical modeling, shoreline extents, stream discharge, streamflow, tailwater reach, topography, two-dimensional hydrodynamic model, velocities, water depths, water surface elevation, Fewer tags Vegetation and water classifications for a segment of the Paria River upstream of the Colorado River Confluence, Arizona, USA These data represent total vegetation and surface water along approximately 12 kilometers of the Paria River upstream from the confluence of the Colorado River at Lees Ferry, Arizona. They are derived from airborne, multispectral imagery obtained in late May 2009, 2013, and 2021, collected with a push-broom sensor with 4 spectral bands depicting Blue, Green, Red and Near-Infrared wavelengths at a spatial resolution of 20 centimeters. The vegetation classification data were created using a supervised classification algorithm provided by Harris Geospatial in ENVI version 5.6.3 (Exelis Visual Information Solutions, Boulder, Colorado). The water data were created using a Green Normalized Difference Vegetation Index... Tags: Arizona, Botany, Cloud Optimized GeoTIFF data, Colorado River, Ecology, All tags... Geography, Glen Canyon, Glen Canyon Dam, Grand Canyon, Green Normalized Difference Vegetation Index, Hydrology, Information Sciences, Lees Ferry, Lonely Dell, Marble Canyon, Northern Arizona, Paria River, Remote Sensing, USGS Science Data Catalog (SDC), United States, Water Resources, airborne imagery, biota, change detection, classification maps, data release, ecosystem monitoring, flooding, gNDVI, image classification, image collections, imageryBaseMapsEarthCover, inlandWaters, maps and atlases, multispectral high resolution data, multispectral imaging, remote sensing, riparian vegetation, river ecosystems, river reaches, river systems, river tributaries, supervised classification, surface water (non-marine), total vegetation, vegetation, vegetation classification maps, water maps, wetland ecosystems, Fewer tags Various Lake Powell data used for predicting smallmouth bass entrainment rates and population growth based on thermal suitability below and downstream of Glen Canyon Dam These data were compiled to create models that estimate entrainment rates and population growth rates of smallmouth bass below Glen Canyon Dam. Objective(s) of our study were to predict smallmouth bass entrainment rates and population growth under different future scenarios of Lake Powell elevations and management. These data represent parameters needed for associated models and data needed to produce figures. These data were collected from publicly available online sources including published papers and federal government datasets. These data were assembled by researchers from U.S. Geological Survey, Utah State University, Colorado State University, U.S. Fish and Wildlife Service. These data can be used to run... Categories: Data; Tags: Aquatic Biology, Arizona, Climatology, Colorado River, Diamond Creek, All tags... Ecology, Geography, Glen Canyon, Glen Canyon Dam, Global Horizon Irradiance, Grand Canyon, Hydrology, Information Sciences, Lake Powell, Lees Ferry, Little Colorado River, Page, Page Airport, USGS Science Data Catalog (SDC), Utah, Williams, adaptive management, age class, air temperature, area, bathymetry, climatologyMeteorologyAtmosphere, data release, depth suitability, ecological processes, elevation, entrainment rates, environment, evaporation, field inventory and monitoring, inflow projections, inlandWaters, mean observed lengths, modeling, observed daily depths, outflow projections, population growth, precipitation (atmospheric), reproduction, reservoir water quality model CEQUAL-W2, smallmouth bass, solar, study areas, surface water (non-marine), surface water quality, temperature profiles, thermal suitability, water depths, water temperature, Fewer tags Acoustic Telemetry Evaluation of Invasive Carp in Kaukauna, Wisconsin (Summer 2019) This study deployed acoustic telemetry at the Fox River Navigational System Authority (FRNSA) in lock #2 and the upstream and downstream pools in Kaukauna, WI to document movements and behavior of telemetered fish species in response to injection of carbon dioxide. Telemetry equipment was setup in the test area for approximately 2 months during the summer of 2019. CSV metadata includes telemetry data with position estimates for fish during this time. Tags: Aquatic Biology, Fox River, Northeastern Wisconsin, USGS Science Data Catalog (SDC), Wildlife Biology, All tags... aquatic biology, biota, carbon dioxide, invasive carp, invasive species, telemetry, Fewer tags Breeding songbird tissue analysis and metal concentrations in tissues, soil and invertebrates collected near nesting sites within the Southeast Missouri Lead Mining District, 2016-19 This dataset provides results for the following: (1) metals concentrations in soils surrounding breeding song bird nest sites; (2) metals concentrations in invertebrates (earthworm and grub composites) collected near nest sites; (3) metals concentrations and delta-aminolevulinic acid dehydratase (ALAD) activity in avian blood samples; and (4) metals concentrations, indicators of oxidative stress and DNA damage, and histopathology in liver and/or kidney tissues collected from breeding song birds. Tags: DNA damage, Mining and Mineral Extraction, Missouri, Natural Resource Damage Assessment and Restoration, Southeast Missouri Lead Mining District, All tags... USGS Science Data Catalog (SDC), United States, Wildlife Biology, biota, blood, delta-aminolevulinic acid dehydratase activity, environment, heavy metal pollution, histopathology, industrial sites, kidney, lead-contaminated soil, liver, metal elements, metallic mineral resources, microscopic lesions, mine sites, nesting songbirds, oxidative stress, soil invertebrates, Fewer tags BioLake bioclimatic variables based on ERA5-Land lake temperature estimates 1991-2020 These BioLake raster data provide global estimates (~10.0 x 12.4 km resolution) of twelve bioclimatic variables based on estimated lake temperature. Eleven of these twelve variables (BioLake01 - BioLake11) are estimated for each of three lake strata: lake mix (surface) layer, lake bottom, and total lake water column. These eleven variables correspond to CHELSA (Climatologies at high resolution for the earth's land surface areas) bioclimatic variables BIO1 - BIO11, except that these BioLake variables are based on lake water temperature and CHELSA BIO1 - BIO11 variables are based on air temperature. CHELSA BIO is also calculated a finer spatial resolution (~1 x 1 km). The twelfth variable (BioLake20; months with non-zero... Tags: Aquatic Biology, Remote Sensing, USGS Science Data Catalog (SDC), Water Resources, biota, All tags... climatologyMeteorologyAtmosphere, lake temperature, lake temperature, water temperature, water temperature, Fewer tags Distribution Models Predicting Groundwater Influenced Ecosystems in the Northeastern United States Globally, groundwater dependent ecosystems (GDEs) are increasingly vulnerable to groundwater extraction and land use practices. Groundwater supports these ecosystems by providing inflow, which can maintain water levels, water temperature, and chemistry necessary to sustain the biodiversity that they support. Many aquatic systems receive groundwater as a portion of base flow, and in some systems (e.g., springs, seeps, fens) the connection with groundwater is significant and important to the system’s integrity and persistence. Groundwater management decisions for human use may not consider ecological effects of those actions on GDEs, which rely on groundwater to maintain ecological function. This disconnect between... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Ecology, Hydrology, Land Use Change, New England, Remote Sensing, All tags... USGS Science Data Catalog (SDC), Water Resources, Wildlife Biology, groundwater, groundwater influenced ecosystems, imageryBaseMapsEarthCover, modeling, northeastern United States, northeastern states, prediction, Fewer tags White-tailed deer and sharp-tailed grouse data used in constrained generalized additive models to enhance survival analyses and incorporate ecological theory Grouse: These data on sharp-tailed grouse survival times are provided for individuals wanting to run an age-period survival analysis. Entry and exit times are expressed in integer days from the start of the study. Entry age and exit age expressed in integer days are also included. Data are structured to implement survival analysis. White-tailed Deer: These data on white-tailed deer survival times are provided for individuals wanting to run an age-period survival analysis. Entry and exit times are expressed in integer weeks from the start of the study. Entry age and exit age expressed in integer weeks are also included. Data are structured to implement survival analysis. Only adult female individuals that were chronic-wasting... Categories: Data; Tags: USGS Science Data Catalog (SDC), Wildlife Biology, Wisconsin, utilitiesCommunication Data used to test a video monitoring and computational system for estimating juvenile fish abundance We developed and tested neural network-based models to recognize and count emigrating juvenile river herring in continuous video. Continuous video was collected from an underwater camera installed at Great Herring Pond in Bourne, Massachusetts (USA) between June and November 2017. Our algorithm extracts video frames to assess presence/absence of fish and count numbers of fish emigrating. We used extracted video frames to assess model performance. Provided datasets include information about extracted frames that were used for model assessment. This data release includes four datasets that were used to test model performance and select the best fitting model. (1) The “Model Evaluation Dataset” includes count and presence/absence... Categories: Data; Tags: Ecology, New England, Massachusetts, Cape Cod, USGS Science Data Catalog (SDC), biota Groundwater data and age information from samples collected in Minnesota (ver. 2.0, January 2024) Groundwater age distributions and susceptibility to natural and anthropogenic contaminants were assessed for selected wells, streambed piezometers, and springs in southeastern Minnesota. The data provide information to understand how long it will take to observe groundwater quality improvements from best management practices implemented at land surface to reduce losses of nitrate (and other chemicals) from agricultural practices. Nineteen water samples were collected from ten wells, three streambed piezometers, and four springs between August 2020 and September 2022. Two of these samples are field replicate samples collected from a spring site and a well site. A child item contains historical data from 15 water... Tags: Minnesota, USGS Science Data Catalog (SDC), USGS:61f3162ed34e622189b8e1ac, dissolved gases, groundwater, All tags... groundwater age, groundwater quality, lumped parameter model, recharge temperature, Fewer tags Predator Movements and Duck Nests in Relation to Habitat Features in Suisun Marsh, CA (2016-2019) This dataset describes mesopredator locations (raccoons and striped skunks), dabbling duck nest locations (mallard, gadwall, and cinnamon teal), northern harrier nest locations, and random locations in relation to a set of habitat features in Suisun Marsh, California during 2016 through 2019. We designed a series of questions to link fine-scale predator movements and vulnerability of dabbling duck nests to predator encounters and egg predation. We conducted our study over a 4-year period using 41 GPS-collared raccoons and striped skunks, two of the most widespread mammalian predators of waterfowl eggs in North America, and more than 2000 monitored duck nests. Each night of movement for mesopredators contains the... Categories: Data; Tags: California, Suisun Marsh, USGS Science Data Catalog (SDC), Wildlife Biology, animal behavior, All tags... biota, environment, wetland ecosystems, Fewer tags Data on dietary preference by brown treesnakes on Guam These data address experimental evaluations of dietary preference by captive brown treesnakes on Guam. Snakes were collected from the wild in areas with birds present and in areas without birds present 2018–2019. Snakes were then run through preference trials during which they were offered first live lures (mouse and finch) in snake traps on opposite sides of the arena. On the second night, snakes were offered dead carrion (baits) of each prey type (mouse, chicken chick) equal to 30% of their mass. Choices were monitored overnight using game cameras and then transcribed the following day. Individuals were classified as BIRD or NOBIRD snakes based on whether they had birds in their gut contents at the time of capture.... Categories: Data; Tags: Ecology, Guam, Guam National Wildlife Refuge, Preference, USGS Science Data Catalog (SDC), All tags... environment, Fewer tags Hawaii Volcanoes National Park Plant Trait, Percent Cover, and Environmental Data 2014 This data release includes data and metadata on 1) the coverage and composition of plants 2) species specific plant traits 3) sampling locations and 4) environmental data. All sites were within Hawaii Volcanoes National Park on Hawaii Island. Plant cover data were obtained from National Park Service Inventory and Monitoring Program. Plant trait data was collected for these plots in 2014. This study aims to evaluate how traits of native and exotic plant species change along environmental gradients and what this suggests for plant competition and invasion. Categories: Data; Tags: Ecology, Hawaii, Hawaii Volcanoes National Park, USGS Science Data Catalog (SDC), botany, All tags... bryophyte, ecology, forest resources, forest restoration, invasive species, plant ecology, seedling recruitment, tropical forest dynamics, Fewer tags Hawaii Island, Hawaiian hoary bat acoustic data pre- and post-koa moth outbreak, 2007-2013 We examined Hawaiian hoary bat (Lasiurus semotus) presence and foraging activity at Hakalau Forest National Wildlife Refuge and Lāupahoehoe Forest Reserve on Hawai‘i Island during the 2013 koa moth (Geometridea: Scotorythra paludicola) outbreak. Hawaiian hoary bat echolocation vocalizations were recorded at seven acoustic stations between 1069 and 1200 m above sea level that operated nightly from May 2013 through September 2013. We compared these data to data collected at similar locations during 2007-2011 to determine the response of bats to increased moth abundance during 2013. In this abstract we refer to the Hawaiian hoary bat as a full species, Lasiurus semotus, following updated taxonomy for Hawaiian hoary... Tags: Acoustic recording, Echolocation, Ecology, Hawaii Island, USGS Science Data Catalog (SDC), All tags... Wildlife Biology, biota, Fewer tags Hakalau Forest NWR seed rain, seedling, and plant data for 2017-2019 This data release includes data and metadata on tree and shrub basal area as well as bird-mediated and passive seed rain for sites selected to have a range of understory cover under canopy trees (Metrosideros polymorpha and Acacia koa). It also includes seedling germination and survival data for a large-scale seed addition and grass removal experiment that varied both seed rain and grass cover. All sites were within Hakalau Forest National Wildlife Refuge on Hawaii Island. Broadly, this study asks what thresholds of seed rain and native and exotic plant cover are needed for passive forest regeneration. Tags: Ecology, Hakalau Forest National Wildlife Refuge, Hawaii, USGS Science Data Catalog (SDC), avian diet, All tags... botany, ecology, exotic grass, forest resources, forest restoration, land use change, plant competition, plant ecology, seed limitation, seedling recruitment, tropical forest dynamics, Fewer tags RestoreNet subplot data for 21 sites within major dryland ecoregions throughout the southwestern United States, 2018 - 2021 These data were compiled for a networked field-trial restoration experiment (RestoreNet) that spans the southwestern US, including 21 distributed field sites. The objective of our study was to understand the environmental factors and restoration practices (including seed mixes and soil manipulation) that increase plant establishment and survival to ultimate improve restoration outcomes in dryland environments. These data represent point-in-time plant density and height measurements at our field sites at the time of monitoring. These data were collected at 21 arid and semi-arid sites, located throughout Arizona, Utah, New Mexico, and California. These data were collected by USGS Restoration Assessment and Monitoring... Categories: Data; Tags: Arizona, Botany, California, Chihuahuan Desert, Climatology, All tags... Colorado, Colorado Plateau, Ecology, Geography, Information Sciences, Mojave Desert, New Mexico, Soil Sciences, Sonoran Desert, USGS Science Data Catalog (SDC), Utah, arid, atmospheric and climatic processes, biogeography, biota, climate change, climatologyMeteorologyAtmosphere, data release, drylands, ecological modeling, ecological processes, ecological restoration, ecosystem monitoring, environment, environmental conditions, environmental variables, field inventory and monitoring, field sites, geoscientificInformation, grassland ecosystems, growth responses, monitoring, plant density, plant establishment, plant growth, plant height, plant responses, plant survival, plants (organisms), post-restoration, precipitation (atmospheric), remediation, restoration experiment, restoration seeding, restoration treatments, restoration variables, seed mixes, seedling emergence, seedling survival, semi-arid, site characteristics, soil resources, soil texture, southwestern US, spatial environmental variation, temporal change, temporal environmental variation, weedy species, zero-inflated data, Fewer tags Data Release: Buttonland Swamp, SET data This study examined long-term changes in ground height using Surface Elevation Tables (SETs). Measurements were taken in the floodplains of the Cache River at Buttonland Swamp in southern Illinois. The sites where data was collected included Crawford Tract and Eagle Pond from 2020-2022 and Deer Pond and Snake Hole from 2005-2022. Categories: Data; Tags: Buttonland Swamp, Cache River, Ecology, Forested Wetland, Illinois, All tags... Land Use Change, Southern Illinois, USGS Science Data Catalog (SDC), United States, channel downcutting, climate change, elevation, freshwater ecosystems, freshwater swamp, global warming, precipitation (atmospheric), precipitation measurements, sediment deposition, sedimentation, swamp, wetlands, Fewer tags 1 2 3 4 5 ... »