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Stable isotopic ratios of hydrogen and oxygen in groundwater and calculated fraction of recharge from winter precipitation, South Rim Grand Canyon, Arizona Dataset provides inputs and model results of a stable isotope-based mixing model for estimating the relative contribution of seasonal recharge sources to the South Rim groundwater flow system, Grand Canyon, Arizona, USA. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, Coconino, Geochemistry, Grand Canyon, Hydrology, All tags... North America, USGS Science Data Catalog (SDC), Water Resources, atmospheric sciences, biota, climatologyMeteorologyAtmosphere, earth sciences, environment, geoscientificInformation, geospatial dataset, groundwater, groundwater flow, hydrogeology, hydrology, light stable isotope analysis, mathematical modeling, precipitation (atmospheric), recharge, runoff, scientific interpretation, water chemistry, water cycle, Fewer tags Relative distance of California's Central Valley from trough to valley edge and supporting data California's Central Valley ranges from the mountain fronts toward a central trough, mainly defined by the San Joaquin and Sacramento Rivers, and the relative distance from trough to valley edges is of interest. This data release provides supplemental data for the USGS Professional Paper 1766, titled Groundwater Availability of the Central Valley Aquifer, California and provides geographic information systems (GIS) datasets containing this relative distance grid and supporting data. Included in this data release are shapefiles used to define the Central Valley study area, the Central Valley trough, and a relative distance grid that may be used to spatially define other GIS data into zones between the edge of the... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California, Central Valley aquifer system, Hydrology, USGS Science Data Catalog (SDC), USGS publication series, All tags... Water Resources, boundaries, data release, earth sciences, elevation, geography, geoscientificInformation, geospatial datasets, hydrographic datasets, inlandWaters, study areas, water resources, Fewer tags Soil Methane and Combustible Gas Concentrations from Oil-Gas Well Pads in Utah, U.S.A. Soil gas methane and combustible gas concentrations collected from oil and gas well pad locations in Utah. Soil gas samples were measured on site and/or collected for later analysis as described in supporting documentation. Multiple sample locations around well head and depths within the soil profile are available for select sites. Supporting documents provide information of sample collection protocol and data quality assurance. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Big Flat, Big Indian North, Big Indian South, Big Valley, Bluebell, All tags... Bonanza, Buck Canyon, Carbon, Clay Basin, Clear Creek, Daggett, Duchesne, Emery, Fence Canyon, Grand, Hell Roaring, Hell's Hole, Horseshoe Bend, Land, Lisbon, Long Canyon, Love, Natural Buttes, Nine Mile Canyon, North America, North and Central America, Open-File Report, Pariette Bench, Park Road, Peters Point, Pine Springs, Randlett, Red Wash, Rock House, San Juan, South Pine Ridge, USGS Science Data Catalog (SDC), Uintah, Undesignated, United States, United States, Utah, Utah, Walker Hollow, White River, Wildcat, Wonsits Valley, air, air pollution, air quality, airshed, arid lands, aromatic hydrocarbons, atmospheric chemistry, atmospheric sciences, carbon cycle, chemistry, dispersion, disturbed soils, drained conditions, energy resources, energy use and consumption, environmental quality, environmental science, flooded conditions, fossil fuels, fuels, gas chromatography, gas exchange, gases, geochemistry, global carbon budget, global methane budget, greenhouse gases, hydrocarbons, interagency programs, land management, mass flow, methane, mineral resources, natural gas, nonrenewable resources, oil field soils, oil fields, oil shale, partnerships, petroleum, point source pollution, pollution, poorly drained soils, public lands, reclaimed soils, saturated conditions, sediment contamination, soil, soil air, soil chemistry, soil pollution, soil science, soil sciences, soil water, soil-atmosphere interactions, transect sampling, unsaturated conditions, vadose zone, Fewer tags Repeat microgravity data from Kilauea Volcano, Hawaii These data are microgravity measurements collected at the summit of Kilauea Volcano, Hawaii. Data are collected using multiple instruments, with each file representing measurements from a specific instrument during a specific time period. The data dictionary explains the file format and contents, and the dataset will be updated as new measurements are collected. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Geophysics, Hawaii County 2, Hawaii Volcanoes National Park, USGS Science Data Catalog (SDC), Volcanology, All tags... geodesy, gravimeter measurement, volcano monitoring, Fewer tags Avian Eggshell Thickness for 12 Species in the Western U.S. from 2014 to 2018 Eggshell thickness was measured at the egg equator and poles (sharp pole and blunt pole) for 12 avian species. Eggshell thickness was related to egg morphometrics (egg length and width), embryonic development, egg status, and mercury contamination. Individual eggshells each have up to 3 thickness measurements, linked by the eggshell identification. Each measurement has the corresponding egg length, egg width, egg status, mercury concentration, and nest identification. Additionally, eggshell thickness was measured at 5 equally spaced positions along the longitude of the egg (sharp pole, quarter egg, half egg, three quarter egg, and blunt pole) in a subset of Forster's tern (Sterna forsteri) eggs. These data support... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California, Nevada, USGS Science Data Catalog (SDC), Washington, biota, All tags... birds, egg measurements, eggshell, laboratory methods, mercury contamination, Fewer tags Trap records used to analyze trends in mammalian predator control trapping events intended to protect ground-nesting, endangered birds at Haleakalā National Park, Hawai'i (2000 - 2014) Predation and habitat degradation by non-native species are principal terrestrial threats to the federally endangered Hawaiian Petrel (ʻuaʻu, Pterodroma sandwichensis) and Hawaiian Goose (nēnē, Branta sandvicensis) within Haleakalā National Park (HALE), Maui, Hawaiʻi. Since 1981, HALE has maintained a network of live-traps to control invasive mammalian predators and protect these endangered birds. To continue evaluations of trapping efficiency in HALE, we analyzed 2000 - 2014 trap events. Trap events were divided up into six event types classified into three event categories: no event, other event [bait lost, or trap triggered], or predator event [rat, cat, or mongoose caught]. Event type analysis was divided up... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii, Maui, USGS Science Data Catalog (SDC), Wildlife Biology, biota, All tags... birds, capturing (animals), carnivores, endangered species, invasive species, omnivores, predator, predator control, seabird, Fewer tags Fish communities in Shenandoah Valley streams, 2021 From 16 June to 30 July, 2021, a Virginia Tech team of 4-6 sampled the fish community in 30 Shenandoah Valley streams (Virginia and West Virginia, USA) as part of a larger stream-health study including other teams who surveyed geomorphology, water quality, flow, temperature, macroinvertebrates, and fish health at the same 30 streams. The fish community team also sampled three additional bonus streams (SiteID's FOLL, NAKE, and TUMB) during 19-22 August, 2021. These 33 streams had upstream drainage areas of 7 to 46 sq. km and included 4 James River tributaries (SiteID's POAG, MLRB, CEDR, PISG), one Potomac River tributary (HARL), and 28 Shenandoah River tributaries. At each stream, we sampled fish from two reaches... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Augusta, Berkeley, Clarke, Ecology, Jefferson, All tags... Maury, Potomac, Rockbridge, Rockingham, Shenandoah, USGS Science Data Catalog (SDC), United States, Virginia, Warren, West Virginia, biota, community ecology, farming, field sampling, fish, freshwater ecosystems, river systems, Fewer tags Mean annual water-budget components for Oahu, Hawaii, for future-climate conditions, CMIP5 RCP8.5 2041-70 scenario rainfall and 2010 land cover This shapefile represents the spatial distribution of mean annual water-budget components, in inches, for the island of Oahu, Hawaii for a projected future-climate condition representative of phase 5 of the Coupled Model Intercomparison Project (CMIP5) Representative Concentration Pathway 8.5 (RCP8.5) 2041-70 scenario climate and 2010 land cover, as described in USGS Professional Paper (PP) 1876 by Izuka and Rotzoll (2023). The water-budget components for each model subarea were computed for the future-climate condition and 2010 land cover using a water-budget model developed by Engott and others (2017). The 2010 land-cover map developed by Engott (2017) was used to define the land-cover conditions and the model... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii, Hydrology, Oahu, Pacific Islands, USGS Science Data Catalog (SDC), All tags... canopy evaporation, cesspool seepage, direct recharge, effects of climate change, evaporation, fog interception, groundwater, inlandWaters, irrigation, net precipitation, precipitation (atmospheric), recharge, reservoir seepage, runoff, septic-system leachate, total evapotranspiration, transpiration, water budget, water cycle, water cycle, water-budget model, Fewer tags Mean annual water-budget components for the Island of Maui, Hawaii, for average climate conditions, 1978-2007 rainfall and 2017 land cover This shapefile represents the spatial distribution of mean annual water-budget components, in inches, for the Island of Maui, Hawaii for an average (or present-day) climate condition and 2017 land cover, as described in USGS SIR 2019-5064. The water-budget components for each model subarea were computed for a scenario representative of present-day climate conditions during 1978-2007 using a water-budget model developed by Johnson and others (2018). The 2017 land-cover map developed by Mair (2018) was used to define the land-cover conditions and the model subareas. The shapefile attribute information associated with each subarea (or polygon) present an estimate of mean annual rainfall, fog interception, irrigation,... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii, Hydrology, Maui, Pacific Islands, USGS Science Data Catalog (SDC), All tags... Water Resources, canopy evaporation, cesspool seepage, direct recharge, fog interception, groundwater, inlandWaters, irrigation, net precipitation, precipitation (atmospheric), recharge, reservoir seepage, runoff, septic-system leachate, total evapotranspiration, water budget, water cycle, water-budget model, Fewer tags