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Vascular plant data collected at the South Unit of Theodore Roosevelt National Park, ND, USA in 1996 This data release contains three data sets. The data were collected in 1996 at the South Unit of Theodore Roosevelt National Park, ND, USA. The main data set comprises the list of plant species observed and includes the transect, plot number, plot size, and vegetation type where each species was found. A second data set has the locations of the transects, along with their IDs which can be linked to the species list. The final data set is a list of nomenclature updates and species that had duplicates in ITIS, along with the currently accepted scientific names of these species. Categories: Data; Tags: Botany, Ecology, Land Use Change, North Dakota, Theodore Roosevelt National Park, All tags... USGS Science Data Catalog (SDC), biota, community ecology, flowering plants, grassland ecosystems, vascular plants, Fewer tags Geochemical data for post-fire surface water, streambed sediment, and soils from areas affected by the 2018 Camp Fire, Butte County, California During November 2018, the Camp Fire burned more than 150,000 acres in Butte County, California. The fire was the deadliest and most destructive in California history, destroying more than 18,000 structures and causing at least 85 fatalities. The U.S. Geological Survey sampled surface water in areas affected by the Camp Fire, plus an unburned control site, during two post-fire sampling events, January 21-23, 2019 and February 28 - March 1, 2019. During each of those two sampling events, surface-water samples were collected at 8 stream locations. These 16 water samples were filtered using filters with multiple pore sizes (1.2 µm, 0.8 µm, 0.45 µm, and 0.22 µm) to evaluate colloid transport of trace elements. The filtrates... Categories: Data; Tags: Butte County, California, Environmental Health, Geochemistry, Land Use Change, All tags... USGS Science Data Catalog (SDC), Water Quality, boundaries, fires, runoff, soil chemistry, surface water quality, suspended material (water), Fewer tags Hydroacoustic data from central Lake Erie, 2010-2019 Hydroacoustic estimates of fish density are used for fisheries management in central Lake Erie. Hydroacoustic data were collected along up to four cross-lake transects in central Lake Erie July 2010 through July 2019. Software-generated raw variables used for calculating estimates of hydroacoustic fish densities are presented here. Categories: Data; Tags: Aquatic Biology, Great Lakes, Lake Erie, USGS Science Data Catalog (SDC), aquatic biology, All tags... biota, field inventory and monitoring, fishery management, multibeam sonar, transect sampling, Fewer tags Appendix C - Density and vesicularity data for selected lava and tephra samples from the June 2007 Father's Day eruption site, Kīlauea Volcano An intrusion into Kīlauea’s upper East Rift Zone during June 17–19, 2007, during the 1983–2018 Pu‘u‘ō‘ō eruption, led to widespread ground cracking and a small (~1,525 m3) eruption on the northeast flank of the Kānenuiohamo cone, about 6 km upslope from the Pu‘u‘ō‘ō vent. Transmitted and induced very-low-frequency (VLF) magnetic fields were measured with a handheld VLF receiver along transects spanning the dike trace, and zones of ground cracking related to the intrusion were mapped. This dataset records the density and vesicularity of selected lava and tephra samples collected from the June 2007 Father's Day eruption site. The density of the basalt erupted was determined by measuring the weight of spatter and lava... Categories: Data; Tags: East Rift Zone, Episode 56, Father's Day event, Hawaii, Hawaii Volcanoes National Park, All tags... Island of Hawaiʻi, Kānenuiohamo, Kīlauea, Puʻuʻōʻō, State of Hawaii, eruption, field inventory and monitoring, geoscientificInformation, intrusion, lava density, lava flow, lava vesicularity, tephra, volcanic activity, volcanology, Fewer tags Chesapeake Bay Watershed 1:24k 10, 30 and 90-meter Riparian Buffer Zones This data release contains three 10-meter resolution GeoTIFFs representing 10-meter (35-foot), 30-meter (100-foot) and 90-meter (300-foot) riparian buffer zones along shorelines, rivers, streams, and other lotic (flowing) water features. The layers are binary, where the value of each cell represents the presence or absence of the buffer zone. In addition, the data release contains shapefile layers that document the extent of corrections that were made to the data to address errors in the stream network (see processing steps section for more details). The methodology combines various fine-scale input layers, including a 1:24k stream network and Chesapeake Bay 1-meter resolution Land Use/Land Cover to approximate... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake, Delaware, District of Columbia, Ecology, Forestry, All tags... Maryland, New York, Pennsylvania, USGS Science Data Catalog (SDC), Virginia, Water Quality, West Virginia, aquatic ecosystems, environment, land cover, land use, land use and land cover, riparian, riparian zone, river systems, terrestrial ecosystems, Fewer tags Detrital zircon U-Pb data for Upper Triassic sandstones of the Auld Lang Syne basin, northwest Nevada, USA This data release includes raw detrital zircon U-Pb data for isolated sandstones in Upper Triassic deposits of the Auld Lang Syne basin of northwest Nevada, USA. Detrital zircon U-Pb data for 11 sandstone samples (3269 zircon U-Pb dates) were acquired via LA-ICP-MS at the University of Arizona LaserChron Center for 11 sandstone samples. Primary insights from the data are twofold: 1) The data provide information about sediment provenance and indicate that sediment of the Auld Lang Syne basin was primarily derived from near the ancestral Ouachita orogen of Texas and Oklahoma. Sediment was transported to the Auld Lang Syne basin by a Late Triassic transcontinental river system, recorded today by the Upper Triassic... Categories: Data; Tags: Great Basin, Nevada, North America, Sedimentology, Stratigraphy, All tags... USGS Science Data Catalog (SDC), geochronology, geology, sedimentology, stratigraphy, zircon, Fewer tags Environmental DNA survey results for Oncorhynchus mykiss and Cottus aleuticus in coastal streams of Big Sur, California, 2021-2022 The data support a study that surveyed the spatial distribution of Oncorhynchus mykiss and Cottus aleuticus eDNA in coastal streams of Big Sur, California, 2021-2022 following post-fire debris flows. The metadata represent qPCR quantification cycle (Cq) values for O. mykiss and C. aleuticus assays performed on water samples collected during June and July of 2021 and 2022 from the following streams: Big Creek, Mill Creek, Prewitt Creek, and Willow Creek. The metadata also includes the distance (meters) of each eDNA sample site from the stream mouth, volume of water (Liters) collected for eDNA analysis at each site, and the Y-intercept, slope, and R-squared value for each assay run. Categories: Data; Tags: Aquatic Biology, Big Sur, Central California Coastal, Debris flow, Ecology, All tags... Genetics, USGS Science Data Catalog (SDC), biota, environment, environmental DNA, field sampling, fire damage, fish, Fewer tags Input and results from a random forest classification (RFC) model that predicts redox conditions in groundwater in the contiguous United States This data release provides model inputs and outputs for a model that predicts redox conditions in groundwater in the contiguous United States. Input variables describe the hydrology, soils, geology, and hydrologic position of groundwater sample locations. The data release accompanies a journal article that describes model development and applications (Tesoriero_and_others_2023). Categories: Data; Tags: Hydrology, USGS Science Data Catalog (SDC), United States, environment, groundwater, All tags... inlandWaters, Fewer tags Water Quality Data from Select Spring and Stream Sites in Grand Canyon, Northern Arizona This USGS Data Release represents water and sediment quality data collected in the Grand Canyon region of northern Arizona. This dataset comprises water quality results from spring and stream sites in Grand Canyon that were sampled through a cooperative effort by U.S. National Park Service (NPS) personnel during 2016 and 2017. NPS personnel collected water samples from spring and stream sites in Grand Canyon. Water samples were filtered using a syringe and 0.45 µm filter and preserved with nitric acid. Filtered and preserved samples were analyzed by the USGS Geology, Geophysics, and Geochemistry Science Center Laboratory for a suite of elements using inductively coupled plasma - mass spectrometry (ICP-MS) methods... Categories: Data Peak Streamflow Data, Climate Data, and Results from Investigating Hydroclimatic Trends and Climate Change Effects on Peak Streamflow in the Central United States, 1921–2020 Peak-flow frequency analysis is crucial in various water-resources management applications, including floodplain management and critical structure design. Federal guidelines for peak-flow frequency analyses, provided in Bulletin 17C, assume that the statistical properties of the hydrologic processes driving variability in peak flows do not change over time and so the frequency distribution of annual peak flows is stationary. Better understanding of long-term climatic persistence and further consideration of potential climate and land-use changes have caused the assumption of stationarity to be reexamined. This data release contains input data and results of a study investigating hydroclimatic trends in peak streamflow... Tags: Climatology, Hydrology, Illinois, Iowa, Michigan, All tags... Minnesota, Missouri, Montana, North Dakota, South Dakota, USGS Science Data Catalog (SDC), United States, Water Resources, Wisconsin, climate change, climatology, climatologyMeteorologyAtmosphere, environment, floods, geoscientificInformation, hydrology, inlandWaters, regression analysis, river systems, stream discharge, streamflow, surface water (non-marine), Fewer tags Furnace Creek Formation at the north end of the Black Mountains. Death Valley National Park, California. Circa 1960. Death Valley National Park, California. Furnace Creek Formation at the north end of the Black Mountains. View is southwest and west of Zabriskie Point, an overlook by Highway 190 about 3 miles up Furnace Creek Wash from Furnace Creek Inn. The base of the Furnace Creek Formation is at the topographic break between the badlands and the rougher, higher ground in the distance on the left. Light-colored playa beds about 2,500 feet thick extend to the base of a conglomerate which forms the dark cliff at the right. The beds are dipping to the right (north) into the Texas Spring Syncline. The center of the photograph looks west across Death Valley to the Panamint Range at Aguereberry Point; Tucki Mountain on the right.... Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Death Valley National Park, California, Hunt, C.B. Collection, Photographers, photo print Occurrences of Pliocene Planktic foraminifers in core samples from SE Florida Data consist of presence / absence records of planktic foraminifer species from 5 core samples at 3 localities in southeast Florida. Samples are placed in biostratigraphic zones and ages are estimated from calibrated first and last appearances of select taxa. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Florida, Hydrology, Marine Geology, Pliocene, Stratigraphy, All tags... USGS Science Data Catalog (SDC), biostratigraphy, biota, faunal and floral census (microscopic), protists, Fewer tags Alaska Climate Futures (mid and late 21st century) and Historical References (20th century) To meet the climate change planning and adaptation needs of Alaska managers and decision makers, I developed a set of statewide summaries of available climate change projections that can be further subset using GIS techniques for requests by management unit, watershed, or other location. This facilitates the development of tailored climate futures for decision makers’ regional or subregional management context. This file describes the source data and summaries for purposes of technical /scientific documentation. The methods and presentation for these datasets were adapted from products in previous USGS-approved IP products for the AKCASC Building Resilience Today project (e.g, Community of Kotlik et al. 2019).... Tags: Alaska, Arctic, Climatology, USGS Science Data Catalog (SDC), biota, All tags... climate futures, climate projections, fire frequency, precipitation, snow, temperature, vegetation change, water balance, Fewer tags Hydrodynamic and Water-Temperature Model of a 21-Mile Reach of the Upper Illinois River, Illinois, 2020 – 2022 A hydrodynamic and water-quality model (CE-QUAL-W2) was developed of a 21-mile reach of the upper Illinois River including a 3-mile reach of a major tributary, the Fox River. The CE-QUAL-W2 model is 2-dimensional in the vertical and longitudinal directions and averaged over the lateral direction. Continuous water quality and streamgage data provided time-series data for model boundary conditions. Discrete velocity, cross-section area, and temperature profiles at several locations within the study reach provided model calibration data. The model was calibrated to 2021 and 2022 observed data and validated with 2020 data. Model output consisted of 2-dimensional, laterally averaged hydrodynamic and water-temperature... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Dayton, IL, Fox River, IL, Grundy County, IL, Hydrology, Illinois River, IL, All tags... LaSalle County, Illinois, Marseilles Lock and Dam, Marseilles, IL, Ottawa, IL, Seneca, IL, Starved Rock Lock and Dam, USGS Science Data Catalog (SDC), Water Quality, Fewer tags Lake Erie Pelagic Prey Fish Community Data, 2022-2023 Since 2005, the U.S. Geological Survey - Great Lakes Science Center's Lake Erie Biological Station (LEBS) has participated in a collaborative, multiagency effort to assess pelagic prey fish populations in the western (WB), central (CB), and eastern (EB) basins of Lake Erie through a combination of hydroacoustic and midwater trawl sampling. Assessing lake-wide distribution and abundance of pelagic prey species over time facilitates evaluation of large-scale drivers of fish production while also considering food-web dynamics at a smaller sub-basin scale. Information from this survey will support decision making within an ecosystem-based fishery management framework. In support of binational Great Lakes fishery management,... Categories: Data; Tags: Aquatic Biology, Ecology, Great Lakes, Lake Erie, Pelagic prey fish, All tags... Remote Sensing, USGS Science Data Catalog (SDC), aquatic biology, biota, environment, field inventory and monitoring, fishery management, forage fish, pelagic fish, transect sampling, Fewer tags NHM input and output Categories: Data Laboratory Evaluation of Phototaxis in Cultured Cisco Larvae Field observations in a Lake Ontario embayment suggested that there is a phototaxic response of larval cisco that changes with development. This switch was verified using cultured cisco in a laboratory environment. These data include counts of cisco larvae at three depth ranges within multiple 95 liter tanks. Each tank of larvae were exposed to one of three different light treatments with three replicate tanks per treatment. Light treatments were 24 hours per day of light exposure, 24 hours per day in darkness, and a 12-hour light then 12-hour dark exposure cycle. Observations of cisco positioning within the water column were recorded periodically. The information collected included the date and time of the observation,... Categories: Data; Tags: Aquatic Biology, Chaumont Bay, Coregonine, Ecology, Great Lakes, All tags... Lake Ontario, USGS Science Data Catalog (SDC), Wildlife Biology, biota, fish larvae, light response, organism growth and development, phototaxis, Fewer tags Water quality results from Colorado River tributaries in Grand Canyon This dataset comprises water quality results from monitoring sites on major tributaries of the Colorado River in the Grand Canyon region beginning in 2015. These tributary sites include Little Colorado River above the mouth near Desert View, Arizona (USGS site ID 09402300); Kanab Creek above the mouth near Supai, Arizona (USGS site ID 09403850); Havasu Creek above the mouth near Supai, Arizona (USGS site ID 09404115); House Rock Wash below Emmett Wash in Rider Canyon, Arizona (USGS site ID 363851111482000); and Paria River at Lees Ferry, Arizona (USGS site ID 09382000). Monitoring of the Little Colorado River, Kanab Creek, and Havasu Creek sites began in 2015, with other sites added later. Categories: Data; Tags: Arizona, Grand Canyon, Lower Colorado River Basin, uranium mining, water quality Airborne Geophysical Survey Inventory of the Conterminous United States, Alaska, Hawaii, and Puerto Rico (ver. 4.0, April 2023) (Under Revision) Note: this data release is currently being revised and is temporarily unavailable. This data release is a compilation of the locations of airborne geophysical surveys in the United States. The inventory documents public airborne geophysical surveys primarily flown by or contracted by the USGS from 1943 to present. In addition, surveys from the State of Alaska, Department of Natural Resources, Division of Geological and Geophysical Surveys (DGGS): Airborne GeophysWeb, the Bureau of Land Management, the Department of Energy and other state agencies have also been included. The surveys have contributed to studies under USGS programs including Water, Geologic Mapping, Minerals, Energy, Environmental Health, Ecosystems,... Categories: Data, Data Release - Under Revision; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alabama, Alaska, Arizona, Arkansas, California, All tags... Colorado, Connecticut, Delaware, District of Columbia, Earth MRI, Florida, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, MRP, Maine, Maryland, Massachusetts, Michigan, Mineral Resources Program, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, USGS Science Data Catalog (SDC), Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, aeromagnetic surveying, aeroradiometric surveying, electromagnetic surveying, frequency-domain, geophysical, geophysics, geoscientificInformation, geospatial datasets, gravitational field (earth), resistivity, time-domain, Fewer tags Geospatial mapping products derived from 2018, 2020, and 2022 NAIP aerial imagery for the Scotts Creek Watershed, Lake County, CA The USGS, in cooperation with the U.S. Bureau of Land Management (BLM), created a series of geospatial mapping products of the Scotts Creek Watershed in Lake County, California, using National Agriculture Imagery Program (NAIP) imagery from 2018, 2020 and 2022 and Open Street Map (OSM) from 2019. The imagery was downloaded from United States Department of Agriculture (USDA) - Natural Resources Conservation Service (NRCS) Geospatial Data Gateway (https://datagateway.nrcs.usda.gov/) and Geofabrik GmbH - Open Street Map (https://www.geofabrik.de/geofabrik/openstreetmap.html), respectively. The imagery was classified using Random Forest (RF) Modeling to produce land cover maps with three main classifications - bare,... Tags: California, Lake County, Land Use Change, Remote Sensing, Scotts Creek, All tags... South Cow Mountain, USGS Science Data Catalog (SDC), Water Resources, aerial photography, elevation, freshwater ecosystems, geoscientificInformation, inlandWaters, land use and land cover, modeling, natural resource management, remote sensing, river systems, Fewer tags 1 2 3 4 »