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This model archive contains the input data, model code, and model outputs for machine learning models that predict daily non-tidal stream salinity (specific conductance) for a network of 459 modeled stream segements across the Delaware River Basin (DRB). Results are provided for two time periods: the historical drought-of-record from 1965-10-02 to 1969-12-30, and that same drought evaluated in climatic conditions that are consistent with a LENS2 enseble climate projection from 2057-10-02 to 2061-12-30. Results are provided for a total of three Random Forest models, corresponding to three input attribute sets (dynamic attributes, dynamic and static attributes, and dynamic attributes and a minimum set of static attributes)....
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In March 2024, the U.S. Geological Survey New Mexico Water Science Center (NMWSC) and Idaho Water Science Center (IDWSC), in cooperation with the U.S. Bureau of Reclamation (USBR), completed bathymetric and topographic surveys on the San Juan River near Farmington, NM at the USBR Navajo Gallup Water Supply Project (NGWSP) intake and outfall structure. The bathymetric and topographic data provide coverage near the structures and banklines for an 800-foot length of the San Juan River. This data release contains an integrated bathymetric and topographic point cloud dataset and an interpolated DEM.
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The Middle Fork Willamette River basin encompasses 3,548 square kilometers of western Oregon and drains to the mainstem Willamette River. Fall Creek basin encompasses 653 square kilometers and drains to the Middle Fork Willamette River. In cooperation with the U.S. Army Corps of Engineers, the U.S. Geological Survey evaluated geomorphic responses of downstream river corridors to annual drawdowns to streambed at Fall Creek Lake. This study of geomorphic change is focused on the major alluvial channel segments downstream of the U.S. Army Corps of Engineers’ dams on Fall Creek and the Middle Fork Willamette River, as well as the 736 hectare Fall Creek Lake. Reservoir erosion during streambed drawdown results in sediment...
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The Middle Fork Willamette River basin encompasses 3,548 square kilometers of western Oregon and drains to the mainstem Willamette River. Fall Creek basin encompasses 653 square kilometers and drains to the Middle Fork Willamette River. In cooperation with the U.S. Army Corps of Engineers, the U.S. Geological Survey evaluated geomorphic responses of downstream river corridors to annual drawdowns to streambed at Fall Creek Lake. This study of geomorphic change is focused on the major alluvial channel segments downstream of the U.S. Army Corps of Engineers’ dams on Fall Creek and the Middle Fork Willamette River, as well as the 736 hectare Fall Creek Lake. Reservoir erosion during streambed drawdown results in sediment...
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Boring on Silver Peak marsh. Silver Peak quadrangle. Esmeralda County, Nevada. 1912.
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Village of Silverpeak. Silver Peak quadrangle. Esmeralda County, Nevada. 1912.
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Effects of Hurricane Katrina in Mississippi. Ruins of Hancock Bank and Mary Mahoney's along Highway 90. Biloxi, Mississippi. September 21, 2005. (Effects of Hurricane Katrina in Mississippi images have been donated to the Photographic Library by USGS employees, FEMA contractors, the National Guard, the U.S. Military, local police and state patrols, and public citizens.)
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Effects of Hurricane Katrina in Mississippi. Aerial view of the Beau Rivage Casino. Biloxi, Mississippi. September 11, 2005. (Effects of Hurricane Katrina in Mississippi images have been donated to the Photographic Library by USGS employees, FEMA contractors, the National Guard, the U.S. Military, local police and state patrols, and public citizens.)
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Effects of Hurricane Katrina in Mississippi. Ruins of Edgewater McDonald's restaurant. Biloxi, Mississippi. September 18, 2005. (Effects of Hurricane Katrina in Mississippi images have been donated to the Photographic Library by USGS employees, FEMA contractors, the National Guard, the U.S. Military, local police and state patrols, and public citizens.)
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Effects of Hurricane Katrina in Mississippi. Ruins of Edgewater McDonald's restaurant. Biloxi, Mississippi. September 18, 2005. (Effects of Hurricane Katrina in Mississippi images have been donated to the Photographic Library by USGS employees, FEMA contractors, the National Guard, the U.S. Military, local police and state patrols, and public citizens.)
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Effects of Hurricane Katrina in Mississippi. Destruction along Highway 90. Biloxi, Mississippi. September 18, 2005. (Effects of Hurricane Katrina in Mississippi images have been donated to the Photographic Library by USGS employees, FEMA contractors, the National Guard, the U.S. Military, local police and state patrols, and public citizens.)
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Effects of Hurricane Katrina in Mississippi. Ruins of Edgewater Village. Biloxi, Mississippi. September 18, 2005. (Effects of Hurricane Katrina in Mississippi images have been donated to the Photographic Library by USGS employees, FEMA contractors, the National Guard, the U.S. Military, local police and state patrols, and public citizens.)
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These data have been collected by a collaborative and coordinated research network, SPARCnet (Salamander Population and Adaptation Research Collaboration network). We collected these data to examine patterns in seasonal and latitudinal variation in population density. This data can be used to estimate local salamander biomass, correcting for imperfect detection, and then compare these to estimates of biomass for other vertebrate species in North America that are known to have out-sized roles in ecosystem processes.
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This data release contains dissolved cyanotoxin concentrations for microcystins (MC), cylindrospermopsins (CYL), anatoxins (ATX), and saxitoxins (STX) assessed using enzyme-linked immunosorbent assays (ELISA) and liquid chromatography-mass spectrometry or tandem mass spectrometry (LC-MS and LC-MS/MS, respectively) in extracts from SPATT (n=95) and DGT samplers (n=10) deployed on three Finger Lakes (Owasco, Seneca, and Skaneateles) between June and November 2019. Relative percent contributions of microcystin congeners are also provided for samples analyzed by LC-MS and LC-MS/MS. Solid phase adsorption toxin tracking (SPATT) and diffusive gradients in thin-films (DGT) are types of passive environmental samplers containing...
Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Contaminants, HABS, Finger Lakes, New York, Owasco Lake, Owasco Lake Platform (Site ID: 425327076313601), All tags...
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These data were compiled to demonstrate new predictive mapping approaches and provide comprehensive gridded 30-meter resolution soil property maps for the Colorado River Basin above Hoover Dam. Random forest models related environmental raster layers representing soil forming factors with field samples to render predictive maps that interpolate between sample locations. Maps represented soil pH, texture fractions (sand, silt clay, fine sand, very fine sand), rock, electrical conductivity (ec), gypsum, CaCO3, sodium adsorption ratio (sar), available water capacity (awc), bulk density (dbovendry), erodibility (kwfact), and organic matter (om) at 7 depths (0, 5, 15, 30, 60, 100, and 200 cm) as well as depth to restrictive...
Tags: Arizona, Colorado, Colorado River, Colorado River Basin, Colorado River Basin above Hoover Dam, All tags...
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This data release provides access to a low-altitude aeromagnetic survey flown over a part of the Cascade Range of the US Pacific Northwest, approximately centered over the town of Cascade Locks, Oregon. The Cascade Locks magnetic survey encompasses two large stratovolcanoes of the Cascade Range: Mt. Hood (3426 m) in Oregon and Mt. Adams (3742 m) in Washington. Data were acquired between October 17, 2021, and February 26, 2022, by KBM Resources Group, Thunder Bay, Ontario, Canada, working under contract to the U.S. Geological Survey. The survey is underlain by a diverse magnetic terrane, including Miocene flood basalts of the Columbia River Basalt Group and Tertiary to Quaternary volcanic and intrusive rocks of the...
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Geospatial datasets were developed to estimate the altitude of the top of bedrock, altitude of the top of the Paradox salt, altitude of the water table in the alluvial aquifer, and the thickness and extent of saturated alluvium in the Paradox Valley in western Colorado. This study was completed by the U.S. Geological Survey (USGS) in cooperation with the Bureau of Reclamation for modeling of brine discharge to the Dolores River (Heywood and others, 2024; Paschke and others, 2024). One point dataset and 11 surfaces (shapefiles or rasters) are published in this data release. The point dataset (Paradox_well_data.zip) contains water-level and geologic data for groundwater, observation, test, and production wells in...
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Here we provide data used to report on changes in tidal marsh elevation in relation to our network of 20 fixed benchmarks located across a geographically broad network of coastal elevation monitoring stations with standard monitoring protocols. This dataset includes Surface Elevation Table (SET) measurements taken from 10 sites along the US Atlantic coast, ranging from Virginia to Maine. Each site includes 2 SETs where repeat measurements of wetland surface elevation were made from 2005-2019.
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As a low-lying island nation, the Republic of the Marshall Islands (RMI) is at the forefront of exposure to climate change impacts, including, primarily, inundation (coastal flooding). Increased water levels can stem from episodic events (storm surge, wave run-up, king tides) or from chronic conditions (long term sea-level rise). Land elevation is the primary geophysical variable that determines exposure to inundation in coastal settings. Accordingly, accurate coastal elevation data are a critical input for assessments of inundation exposure and vulnerability. Previous research has demonstrated that the quality of data used for elevation-based assessments must be well understood and applied to properly model potential...


map background search result map search result map High-resolution digital elevation model of Fall Creek Lake, Oregon, acquired during annual drawdown to streambed November 8, 2016 Point cloud of Fall Creek Lake, Oregon, acquired during annual drawdown to streambed November 9, 2016 Predictive soil property map: Very fine sand content Geospatial datasets developed for a hydrogeologic conceptual model of brine discharge to the Dolores River, Paradox Valley, Colorado Surface Elevation Tablet Measurements from 10 USGS Sites Along the US Atlantic Coast (2005-2020) Table 2. Pb isotopic compositions of soils located in Los Angeles County, California, USA High-Resolution Aeromagnetic Survey Over Cascade Locks, Oregon, and Surrounding Areas Cyanotoxin Concentrations in Extracts from Solid Phase Adsorption Toxin Tracking (SPATT) and Diffusive Gradients in Thin-Films (DGT) Samplers in Owasco Lake, Seneca Lake, and Skaneateles Lake, Finger Lakes Region, New York, 2019 Inundation Exposure Assessment for Aur Island, Aur Atoll, Republic of the Marshall Islands Integrated Bathymetric and Topographic Data of the San Juan River near Farmington, New Mexico, 2024 Hemingway Site: Range-wide salamander densities reveal a key component of terrestrial vertebrate biomass in eastern North American forests Delaware River Basin Stream Salinity Machine Learning Model Simulations for Past and Future Drought Integrated Bathymetric and Topographic Data of the San Juan River near Farmington, New Mexico, 2024 Inundation Exposure Assessment for Aur Island, Aur Atoll, Republic of the Marshall Islands Point cloud of Fall Creek Lake, Oregon, acquired during annual drawdown to streambed November 9, 2016 High-resolution digital elevation model of Fall Creek Lake, Oregon, acquired during annual drawdown to streambed November 8, 2016 Hemingway Site: Range-wide salamander densities reveal a key component of terrestrial vertebrate biomass in eastern North American forests Geospatial datasets developed for a hydrogeologic conceptual model of brine discharge to the Dolores River, Paradox Valley, Colorado Table 2. Pb isotopic compositions of soils located in Los Angeles County, California, USA Cyanotoxin Concentrations in Extracts from Solid Phase Adsorption Toxin Tracking (SPATT) and Diffusive Gradients in Thin-Films (DGT) Samplers in Owasco Lake, Seneca Lake, and Skaneateles Lake, Finger Lakes Region, New York, 2019 High-Resolution Aeromagnetic Survey Over Cascade Locks, Oregon, and Surrounding Areas Delaware River Basin Stream Salinity Machine Learning Model Simulations for Past and Future Drought Surface Elevation Tablet Measurements from 10 USGS Sites Along the US Atlantic Coast (2005-2020) Predictive soil property map: Very fine sand content