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Water quality data for Beaver Creek above Victoria Creek and West Twin Creek, Alaska, 2009-2017 This dataset includes discrete water quality data and sensor data from 2009-2017 for Beaver Creek above Victoria Creek and West Twin Creek in Alaska. Categories: Data; Tags: Alaska, Alaska, USGS Science Data Catalog (SDC), dissolved inorganic carbon, dissolved organic carbon, All tags... environment, inland aquatic ecosystems, water quality, Fewer tags Plant growth measurements across three native species in a cloud-affected restoration site at Nakula, Maui, 2016-2019 Fog has been demonstrated to support plant growth, survival and ecosystem maintenance spanning rainfall and elevation gradients across the world. Persistent fog and strong winds on high mountain slopes in Hawaiʻi create a unique ecological environment. We collected stem and basal diameter measurements of three native plant species at Nakula Natural Area Reserve, Maui, from 2016-2019 and numerous environmental variables to examine how rain, fog and soil moisture influence plant water deficit and growth. Categories: Data; Tags: Maui, Maui County, Nakula Natural Area Reserve, cloud water interception, dendrometer, All tags... fog, soil moisture, Fewer tags Geospatial data for groundwater potentiometric-surface maps in northeastern Hamilton, southern Meigs, and northwestern Bradley Counties, Tennessee, fall 1992, spring and fall 1993, summer 2008, and spring 2009 The U.S. Geological Survey, in cooperation with the Savannah Valley Utility District, evaluated the groundwater hydrology of the Valley and Ridge carbonate aquifer system of Cambrian-Ordovician age in the area of Savannah and Gunstocker Creeks in northeastern Hamilton, southern Meigs, and northwestern Bradley Counties, Tennessee, from 2007 through 2009. The evaluation included and built on: 1) the results of test drilling conducted in the area in 1974 to determine the potential for groundwater as a source of public supply for the utility, and 2) the results of an investigation conducted to define recharge areas for wells used by groundwater-source public-supply water systems throughout Hamilton County in the early... Categories: Data; Tags: Bradley County, Hamilton County, Hydrology, Meigs County, Tennessee, All tags... USGS Science Data Catalog (SDC), Water Resources, geoscientificInformation, groundwater levels, hydrogeology, hydrology, imageryBaseMapsEarthCover, potentiometric surface, Fewer tags Otolith chemistry of fishes in Rodeo Lagoon, Marin County, California, 2016 The dataset includes multiple file types (CSV, ArcGIS shapefiles, and images), data relates to the elemental analysis of fish otoliths. Otoliths examined in this study were from randomly-sampled individual Tidewater Goby (Eucyclogobius newberryi) and Prickly Sculpin (Cottus asper) from the adult population of Rodeo Lagoon and Rodeo Creek, Marin County, California. The fish were collected in April and August 2016. Categories: Data; Tags: Aquatic Biology, California, Coastal fishes, Ecology, Environmental Health, All tags... Marin County, Otolith chemistry, Rodeo Lagoon, USGS Science Data Catalog (SDC), United States, Water Resources, Wildlife Biology, biota, coastal ecosystems, ecology, environment, marine biology, marine chemistry, oceans, Fewer tags Table 1. Station descriptions for 312 continuous-record streamflow gages, used to estimate runoff and baseflow using six hydrograph-separation methods, in the Northwest Volcanic Aquifer Study Area, USA The U.S. Geological Survey’s Water Availability and Use Study Program (WAUSP) (https://water.usgs.gov/ogw/gwrp/activities/regional.html) supports quantitative assessments of groundwater availability in areas of critical importance. As part of a WAUSP study in the arid to semi-arid Northwest Volcanic Aquifer Study Area (NVASA), estimates of runoff and baseflow were determined for 312 streamflow-gaging stations from 1904 to 2015. Gages with complete water years (October to September) of continuous-streamflow record were used to partition streamflow into runoff and baseflow, which is that part of streamflow attributed to groundwater discharge. For each water year annual estimates of baseflow, runoff, and a base-flow... Categories: Data; Tags: California, GWToolbox, Idaho, NVASA, NVASA, All tags... Oregon, USGS Water Availability and Use Study Program, baseflow, hydrograph separation, inlandWaters, runoff, volcanic aquifers, Fewer tags Table4. Hydrologic disturbance classification used to describe anthropogenic impairments for gaged basins located in the Northwest Volcanic Aquifer Study Area, USA The U.S. Geological Survey’s Water Availability and Use Study Program (WAUSP) (https://water.usgs.gov/ogw/gwrp/activities/regional.html) supports quantitative assessments of groundwater availability in areas of critical importance. As part of a WAUSP study in the arid to semi-arid Northwest Volcanic Aquifer Study Area (NVASA), estimates of runoff and baseflow were determined for 312 streamflow-gaging stations from 1904 to 2015. Gages with complete water years (October to September) of continuous-streamflow record were used to partition streamflow into runoff and baseflow, which is that part of streamflow attributed to groundwater discharge. For each water year annual estimates of baseflow, runoff, and a base-flow... Categories: Data; Tags: California, GWToolbox, Idaho, NVASA, NVASA, All tags... Oregon, USGS Water Availability and Use Study Program, baseflow, hydrograph separation, inlandWaters, runoff, volcanic aquifers, Fewer tags February 2020 National Wetlands Inventory, Mississippi Barrier Islands Habitat Classification: (Cat Island, Ship Island, Petit Bois Island and Horn Island) This data set consists of digital data describing wetlands and uplands habitats for the Mississippi Coastal Improvements Program (MsCIP) area, consisting of Cat, Ship, Horn and Petit Bois Islands for the year 2020. Wetlands were classified using the Cowardin, et al., wetlands classification scheme to the level of freshwater and tidal, salinity modifiers. Uplands were classified using a customized classification scheme which can be cross-referenced to Anderson, et. al. For this dataset, upland dunes were delineated as areas at or above 1.524 meters (5 feet) as determined in the Lidar data that was referenced without modification for this classification. With this elevation criteria some delineated upland dune features... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cat Island, Geography, Habitats, Horn Island, Land Use Change, All tags... Land Use Change, Mississippi Barrier Islands, Mississippi Coastal Improvements Program (MSCIP), National Wetlands Inventory, National Wetlands Inventory (NWI), Petit Bois Island, Remote Sensing, Remote Sensing, Ship Island, USGS Science Data Catalog (SDC), Wetland ecosystems, avian resources, biota, coastal ecosystems, environment, habitat analysis, habitat monitoring, marine, terrestrial, turtle resources, wetland restoration, Fewer tags Inter-vessel comparison of hydroacoustic fish density in central Lake Erie, 2014 Hydroacoustic estimates of fish density are used for fisheries management in central Lake Erie. Data are sometimes collected from multiple vessels, raising the question of comparability of data collected among vessels. Hydroacoustic data were collected along three cross-lake transects in central Lake Erie in July, 2014 from three different vessels using similar equipment. Several variables derived from hydroacoustic data and fish densities calculated from those variables were compared between the standard vessel used typically for hydroacoustic data collection and two other vessels used occasionally. The data used in those analyses are presented here. Categories: Data; Tags: Aquatic Biology, Great Lakes, Lake Erie, Remote Sensing, USGS Science Data Catalog (SDC), All tags... aquatic biology, biota, field inventory and monitoring, fishery management, multibeam sonar, transect sampling, Fewer tags Mineralogic, grain-size, biologic, and stable isotopic analyses of core TOPGUN-SODA10 2A-K from Big Soda Lake, Nevada, USA These data were collected from the TOPGUN-SODA10 2AK core collected in 2010 by LacCore (University of Minnesota), the USGS. and the University of California (U.C.) Berkeley. The 8.9 meter length core had stable isotopes of oxygen and carbon sampled every 10 millimeters or so, and diatoms samples at every 50 millimeters to 200 millimeters depending on the depth in the core. mineralogic data were collected using X-ray diffraction and grain-size analysis were done at various depths. These data are used to interpret the Holocene and late Pleistocene hydrology and paleoclimate of the lake and the region. The interpretation can be found in: Rosen, M.R., Reidy, L., Starratt, S., Zimmerman, S., in review, Middle Holocene... Categories: Data; Tags: Aquatic Biology, Big Soda Lake, Central Nevada Desert Basins, Climatology, Diatoms, All tags... Geochemistry, Grain-size analysis, Hydrology, Lake coring, Limnology, Nevada, Piston and gravity coring, Sedimentology, Soda Lake East, Stratigraphy, USGS Science Data Catalog (SDC), Water Quality, X-Ray Diffraction, biota, carbonate isotopes, elevation, environment, Fewer tags Literature review results and regulatory summaries of freshwater stressors influencing biological impairment in the Chesapeake Bay watershed, USA This data release contains relevant datasets used in the analysis for the Chesapeake Bay stressor identification project, for which results are described in Fanelli and others (2022). For this project, two existing information sources were compiled and summarized to identify key in-stream stressors reported by the scientific literature or through regulatory assessments to be likely affecting benthic macroinvertebrate community metrics in the Chesapeake Bay region: 1) the peer reviewed multi-stressor literature, in which the effects multiple in-stream stressors on benthic macroinvertebrate community metrics are simultaneously assessed; and 2) reported causes of biological impairment as listed by state or district... Categories: Data; Tags: Alabama, Aquatic Biology, Austria, Canada, Chesapeake Bay watershed, All tags... Colorado, Connecticut, Delaware, District of Columbia, Ecology, Environmental Health, Geochemistry, Geomorphology, Georgia, Hydrology, Illinois, Indiana, Land Use Change, Maine, Maryland, Massachusetts, Michigan, Missouri, Nebraska, New Hampshire, New Jersey, New York, New Zealand, North Carolina, Ohio, Oregon, Pennsylvania, Portugal, South Carolina, Spain, Tennessee, Texas, USGS Science Data Catalog (SDC), United Kingdom, United States, Virginia, Washington, Water Quality, Water Resources, West Virginia, Wisconsin, biota, environment, freshwater ecosystems, inlandWaters, water quality, Fewer tags Bathymetric survey and stage-storage assessment of Quail Lake, Calif., collected in 2022 This bathymetric dataset provides an update to the stage-storage relation for Quail Lake (reservoir) located in the El Dorado National Forest, Calif. Bathymetric data was collected using a multibeam echo sounder to provide near-complete coverage and was merged with USGS 3DEP lidar to compute a DEM of the lake and near shore. The DEM was used to computed storage and surface area for a range of stage elevations. Results show that the spillway elevation was 6799.3 feet (NAVD88) and the crest elevation was 6802.5 feet (NAVD88). At the spillway elevation the storage was 141.74 ac-ft with a surface area of 14.20 ac. At the crest elevation the storage was 190.05 ac-ft with a surface area of 15.89 ac. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Bathymetric, California, Eldorado National Forest, Geomorphology, Hydrology, All tags... Quail Lake, Reservoir Sedimentation, Sedimentology, Stage-storage relation, USGS Science Data Catalog (SDC), elevation, Fewer tags Great Lakes Restoration Initiative: Nutrient cycling in riverbed sediment in the Maumee River Basin, 2021 Data The Maumee River transports huge loads of nitrogen (N) and phosphorus (P) to Lake Erie. The increased concentrations of N and P are causing eutrophication of the lake, creating hypoxic zones, and contributing to phytoplankton blooms. It is hypothesized that the P loads are a major contributor to harmful algal blooms that occur in the western basin of Lake Erie, particularly in summer. The Maumee River has been identified by the United States Environmental Protection Agency as a priority watershed where action needs to be taken to reduce nutrient loads. This study quantified rates of biogeochemical processes affecting downstream flux of N and P by 1) measuring indices of potential sediment P retention and 2) measuring... Categories: Data; Tags: Fort Wayne, Indiana, Maumee River, Michigan, Ohio, All tags... Toledo, Western Lake Erie, biota, denitrification, environment, eutrophication, inlandWaters, nitrification, nitrogen, phosphorus, phosphorus storage, streambed sediment, Fewer tags Soil property and geochronology (137Cs and 210Pb) data (2014) in salt marsh soils of Jamaica Bay Estuary, New York City This dataset contains soil property and geochronology (Cesium-137 and lead-210 dating) data from soil cores collected in August 2014 in salt marshes of Jamaica Bay Estuary, New York City. Categories: Data; Tags: Jamaica Bay, New York City, Soil Sciences, USGS Science Data Catalog (SDC), United States, All tags... oceans, salt marsh, Fewer tags Compilation of multi-agency specific conductance observations for streams within the Chesapeake Bay watershed Freshwater salinization is an emerging issue for freshwater environments in the Chesapeake Bay, USA region. Salinization is often described by measurements of specific conductance (SC). This data release contains specific conductance observations collected by multiple regional agencies for streams within the Chesapeake Bay Watershed. This inventory compiles and harmonizes data from the Water Quality Portal (WQP), which is a data repository developed by the National Water Quality Monitoring Council and supported by the U.S. Environmental Protection Agency and U.S. Geological Survey, and the U.S. Geological Survey National Water Information System (NWIS). Both discrete measures of SC, which are single measures taken... Categories: Data; Tags: Chesapeake Bay watershed, Delaware, District of Columbia, Hydrology, Maryland, All tags... New York, Pennsylvania, USGS Science Data Catalog (SDC), United States, Virginia, Water Quality, Water Resources, West Virginia, biota, environment, freshwater ecosystems, inlandWaters, salinity, surface water quality, Fewer tags Generalized least-squares WREG regression files for Hawaiʻi flood-frequency analysis, based on data through water year 2020 The U.S. Geological Survey (USGS), in cooperation with the State of Hawaiʻi Department of Transportation, estimated flood magnitudes for the 50-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEP) for unregulated streamgages in Kauaʻi, Oʻahu, Molokaʻi, Maui, and Hawaiʻi, State of Hawaiʻi, using data through water year 2020. Regression equations which can be used to estimate flood magnitude and associated frequency at ungaged streams were developed. The methods and results of the study are published in a separate report (https://doi.org/10.3133/sir20235014). This data release contains (1) a folder with the PeakFQ output files for each streamgage, ".PRT" and ".EXP" files, for use in... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hawaii, Hawaii Island, Kauai, Maui, Molokai, All tags... Oahu, environment, flood estimates, geoscientificInformation, hydrodynamics, hydrology, peak flows, regression, watershed management, Fewer tags Input Files for Hydrologic Simulations for the Conterminous United States for Future Conditions Using the National Hydrologic Model Infrastructure (NHMI) and the Coupled Model Intercomparison Project Phase 5 (CMIP5) Representative Concentration Pathway (RCP) 4.5 The continental United States (CONUS) was modeled to produce simulations of historical and potential future streamflow using the Precipitation-Runoff Modeling System (PRMS) application of the USGS National Hydrologic Model Infrastructure (NHMI; Regan and others, 2018). This child page specifically contains atmospheric forcings (daily minimum air temperature, daily maximum air temperature, and daily precipitation accumulation) from each of the global circulation models (GCMs) presented in table1_GCMs_used.csv, using the Representative Concentration Pathway 4.5 for simulating potential future streamflow for the period 2006 - 2100. Tags: United States, air temperature, inlandWaters, model, precipitation (atmospheric), All tags... streamflow, streamflow modeling, Fewer tags Data to accompany U.S. Geological Survey Fact Sheet 2020-3017: Pyrrhotite distribution in the conterminous United States The mineral pyrrhotite, which is an unstable sulfide mineral, was present in crushed stone aggregate used in concrete foundations of homes in Connecticut and Massachusetts, many of those foundations are failing as the mineral weathers. Because of the substantial costs of lifting homes and replacing their foundations, in 2019 the U.S. Congress directed the U.S. Geological Survey’s (USGS) Mineral Resources Program to help assess the national risk of pyrrhotite in aggregate. The data presented here help form a map that shows where pyrrhotite may occur across the conterminous United States, which can help inform risk assessments. Pyrrhotite occurs in some mineral deposits, and it also forms from pyrite during metamorphism,... Tags: GGGSC, Geology, Geophysics, and Geochemistry Science Center, MRP, Mineral Resources, Mineral Resources Program, All tags... U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), United States, geographic information systems, geologic maps, geoscientificInformation, geospatial datasets, mineral deposits, pyrrhotite, risk assessment, sulfide mineral, Fewer tags Field site locations of dendrometer deployment and seedling plots in a cloud-affected restoration site at Nakula, Maui, 2016-2019 Fog has been demonstrated to support plant growth, survival and ecosystem maintenance spanning rainfall and elevation gradients across the world. Persistent fog and strong winds on high mountain slopes in Hawaiʻi create a unique ecological environment. We collected stem diameter measurements of three native plant species at Nakula Natural Area Reserve, Maui, from 2016-2019 and numerous environmental variables to examine how rain, fog, soil moisture, and associated variables influence plant water deficit and growth. We also collected seedling growth and survival data within plots where grass was removed, and control plots (no grass removal), to assess if and how grass removal influenced seedling growth and soil moisture. Tags: Maui, Maui County, Nakula Natural Area Reserve, non-native grass, restoration Great Lakes Restoration Initiative: Fox River Basin 2018 Data Twenty-eight sites that consisted of either predominantly agricultural land in the watershed, predominantly agricultural land in the watershed with natural land cover in the riparian zone, or predominantly natural land cover in the watershed were sampled three times during the growing season. Categories: Data; Tags: Fox River, Fox River Basin, Green Bay, Lake Michigan, Wisconsin, All tags... agriculture, best management practices, biota, denitrification, eastern Wisconsin, eutrophication, nitrogen, phosphorus, phosphorus sediment uptake, Fewer tags Little Rock Reservoir, California, 2022 bathymetric survey and stage-storage computations This bathymetric dataset provides an update to the stage-storage relation for Little Rock Reservoir located in the Angeles National Forest, California. Bathymetric data was collected using a multibeam echo sounder to provide near-complete coverage and was merged with U.S. Geological Survey 3D Elevation Project lidar to compute a digital elevation model (DEM) of the reservoir and surrounding watershed. The DEM was used to computed storage and surface area for a range of stage elevations. Results show that the mean cross-spillway elevation was 3273 feet above the North American Vertical Datum 1988 (NAVD88) and the mean dam crest elevation was 3277 feet (NAVD88). At the spillway elevation the storage was 3335.8 acre-feet... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Angeles National Forest, California, Hydrology, Little Rock Reservoir, Sedimentology, All tags... USGS Science Data Catalog (SDC), Water Quality, bathymetric survey, elevation, inlandWaters, sedimentation, stage-storage, Fewer tags 1 2 3 4 5 6 »