7,174 Works

Suisun tidal marsh duck use dataset

Cory T Overton, Michael L Casazza, Fiona P McDuie & Scott F Jones
Location data with corresponding habitat class (managed vs tidal marsh) and habitat type (permanent pond, seasonal pond, channel, or marshland) for waterfowl utilizing the Suisun Marsh region of California with species, sex, season and date information. These data support the following publication: Casazza, Michael L., McDuie, Fiona P., Jones, Scott F., Overton, Cory T., Lorenz, Austen, Yee, Julie L., Feldheim, Cliff L., Ackerman, Joshua T., and Thorne, Karen M., In review. How waterfowl use of...

Fluid levels in the Oxnard Oil Field, Ventura County, California

Michael J Stephens, David H Shimabukuro, Celia Z Rosecrans & E Watson
The U.S. Geological Survey (USGS), in cooperation with the California State Water Resources Control Board (SWRCB), compiled Fall 2017 fluid level elevation data from idle oil and gas wells in the Oxnard Oil Field to estimate vertical hydraulic head difference between oil production and overlying groundwater aquifer zones. Fluid elevations came from two sources, measurements in idle oil and gas wells and groundwater elevations in water wells in the overlying aquifer estimated at the points...

Multibeam Bathymetry Data Collected in October and December 2017 at Crocker Reef, the Florida Keys

Joseph J Fredericks, Billy J Reynolds, Andrew S Farmer, Kimberly K Yates & David G Zawada

WRTDS annual concentrations, loads and statistical trend likelihoods for sites in the Spokane River watershed, water years 1990-2018

Lauren M Zinsser
A long history of mining and widespread metals contamination in the Spokane River watershed have led to the area's designation as a Superfund site and extensive, ongoing remedial actions. Long-term (water years 1990 to 2018) water-quality data from twelve sites were used to develop Weighted Regressions on Time, Discharge and Season (WRTDS) and WRTDS with Kalman filtering (WRTDS_K) models for total and dissolved cadmium, zinc and lead; total phosphorus and nitrogen; and dissolved orthophosphate. The...

Debris-flow monitoring data, Chalk Cliffs, Colorado, USA, 2014

Jason W Kean, Joel B Smith & Jeffrey A Coe
This data release includes 2014 time-series data from three debris-flow monitoring stations at Chalk Cliffs in Chaffee County, Colorado, USA. The data were collected to help identify the triggering conditions, magnitude, and mobility of debris flows at the site. The three stations are located sequentially along a channel draining the 0.3 km^2 study area. The Upper, Middle, and Lower stations have respective drainage areas of 0.06, 0.16, and 0.24 km^2. The location (UTM zone 13)...

Oil and gas development potential in the US Intermountain West

Holly E Copeland, Kevin E Doherty, David E Naugle, Amy Pocewicz & Joseph M Kiesecker
We created a probabilistic classification model using the nonparametric machine learning technique 'Random Forests' for oil and gas development potential from low (0) to high (1) across the western US. The six predictor variables used in the model were: geophysical data showing aeromagnetic, isostatic gravity, and Bouguer gravity anomalies, geology, topography and bedrock depth. Our binary response variable was geospatial point data on producing and non-producing oil and gas wells. Our estimates provide insights into...

Coral growth parameters and seawater chemistry from Kahekili, west Maui, Hawaii

Nancy G. Prouty, Kimberly Yates, Nathan Smiley & Christopher Gallagher
This data release contains time-series of seawater carbonate chemistry variables, including salinity, dissolved inorganic nutrients, pH, total alkalinity, and dissolved inorganic carbon, from sites along Kahekili Beach Park, Kaanapali, west Maui. It also contains data from coral cores collected from the shallow reef at Kahekili in July 2013 and analyzed for coral growth parameters (tissue thickness, growth rate, density, calcification rate, and bioerosion) and geochemical measurements (nitrogen isotopes).

Landsat Burned Area Essential Climate Variable products for the conterminous United States (1984 -2015)

Todd J. Hawbaker, Melanie K. Vanderhoof, Yen-Ju G. Beal, Joshua Takacs, Gail L. Schmidt, Jeff T. Falgout, Brad Williams, Nicole M. Brunner, Megan K. Caldwell, Joshua J. Picotte, Stephen M. Howard, Susan Stitt & John L. Dwyer
The U.S. Geological Survey (USGS) has developed and implemented an automated algorithm that identifies burned areas in temporally-dense time series of Landsat image stacks to produce the Landsat Burned Area Essential Climate Variable (BAECV) products. The algorithm makes use of predictors derived from individual Landsat scenes, lagged reference conditions, and change metrics between the scene and reference predictors. Outputs of the BAECV algorithm consist of burn probabilities for each Landsat scene, and annual composites of:...

EAARL Coastal Topography?Northwest Florida, Post-Hurricane Katrina, 2005

Alexandra Fredericks, Christine J. Kranenburg & Kara J Doran
These datasets, prepared by the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center, provide lidar-derived first-surface and bare-earth topography for a portion of northwest Florida. Elevation measurements were acquired by the Experimental Advanced Airborne Research Lidar (EAARL) in September 2005, immediately following Hurricane Katrina landfall.

Cold-water coral microbiomes (Paramuricea placomus) from Baltimore Canyon: raw and processed data

Christina A. Kellogg
The files in this data release are the raw and processed DNA sequence files referenced in the submitted journal article by Kellogg et. al. titled "Bacterial Community Diversity of the Deep-Sea Octocoral Paramuricea placomus." They represent a 16S rRNA gene amplicon survey of the coral's microbiome completed using Roche 454 pyrosequencing with titanium reagents. The raw data files associated with this study have also been submitted to the NCBI Sequence Read Archive under Bioproject number...

Groundwater discharge areas for the 14 hydrographic areas in the middle Humboldt River Basin, north-central Nevada

J. LaRue Smith, Eric Warmath & Rose L Medina
This data set contains polygons representing the groundwater discharge areas for the 14 hydrographic areas in the middle Humboldt River Basin, north-central Nevada.

Magnetotelluric sounding data, stations 26 to 36, north of Wells, Nevada, 2005

Brian D Rodriguez
This dataset includes the magnetotelluric (MT) sounding data collected in 2005 along an east-west profile north of Wells, Nevada. It is important to know whether major mining districts in the Northern Nevada Gold Province are underlain by rocks of the Archean Wyoming craton, which are known to contain orogenic gold deposits, or by accreted rocks of the Paleoproterozoic Mojave province. It is also important to know the location and orientation of the Archean/Proterozoic suture zone...

Reexamining silver (Hypophthalmichthys molitrix) and bighead (H. nobilis) carp hearing: Data

Brooke Vetter, Marybeth K Brey & Allen Mensinger
Silver and bighead carp frequency detection was evaluated in response to 100 Hz to 9 kHz using auditory evoked potentials (AEPs). AEPs, consisting of measured minimum Sound Pressure Levels (SPL; dB re 1 ms-2) and Particle Acceleration Thresholds (PAT; dB re 1 ms-2). SPL and PAT were recorded every 100 Hz from 100 Hz to 1000 Hz plus 1500, 2000, 3000, 4000, and 5000 Hz for five individual Silver Carp and five individual Bighead Carp....

Map 04 - ArcGIS layer showing contours of the 50 percentile of May water levels during the 2000-2009 water years (feet)

Scott T. Prinos & Joann F. Dixon
This feature class contains the potentiometric contour lines for the 50th percentile of May water levels for the water years 2000-2009.

Map 06 - ArcGIS layer showing contours of the 25 percentile of October water levels during the 2000-2009 water years (feet)

Scott T. Prinos & Joann F. Dixon
This feature class contains the potentiometric contour lines for the 25th percentile of October water levels for the water years 2000-2009.

Mineral Regions, Mines and Mineral Occurrences in the Carlin Area, Nevada

Meredith H. Burger, Jesse D. Bellora, Greg L. Fernette & Carma A. San Juan
Sediment hosted gold deposits in Nevada were first mined in the 1960s from open pit mines with large tonnage and low grade resources. Since that time, continuing exploration and discovery have identified extraordinary resources, and together these deposits now form the second-largest gold endowment on Earth, surpassed only by the Witwatersrand Gold Fields of South Africa. The data herein are part of a larger U.S. Geological Survey (USGS) project to develop an updated geospatial database...

Normalized Difference Vegetation Index, Biomass, and Nitrogen Content of Goose Forage, Northern Alaska, 2011-2018

David H Ward & Daniel R Ruthrauff
This data set contains four tables of information regarding the sampling of plant biomass, nitrogen, cumulative thaw degree days, precipitation, and Normalized Difference Vegetation Index (NDVI) for the Colville River Delta and Point Lonely area of northern Alaska.

FishTail, Indices and Supporting Data Characterizing the Current and Future Risk to Fish Habitat Degradation in the Northeast Climate Science Center Region

Wesley M. Daniel, Nick Sievert, Dana M. Infante, Craig Paukert, Jana S. Stewart, Joanna Whittier & Kyle Herreman
Human impacts occurring throughout the Northeast and Midwest United States, including urbanization, agriculture, and dams, have multiple effects on the regions streams which support economically valuable stream fishes. Changes in climate are expected to lead to additional impacts in stream habitats and fish assemblages in multiple ways, including changing stream water temperatures. To manage streams for current impacts and future changes, managers need region-wide information for decision-making and developing proactive management strategies. Our project met...

Minisparker seismic-reflection data of field activity S-07-11-SC: offshore San Diego, and Los Angeles Counties, southern California from 2011-06-08 to 2011-06-22

Ray W. Sliter, , Holly F. Ryan & Peter J. Triezenberg
This dataset includes raw and processed, high-resolution seismic-reflection data collected in 2011 to collect information on active offshore faults. The survey area is offshore southern California between Long Beach and San Diego. The data were collected aboard the U.S. Geological Survey R/V Parke Snavely. The seismic-reflection data were acquired using a SIG 2mille minisparker system. Subbottom acoustic penetration spanned tens to several hundreds of meters, variable by location and equipment type.

Data Collected in Support of the Longshore Water-Current Velocity and the Potential for Transport of Contaminants pilot study in Lake Erie from Walnut Creek to Presque Isle State Park Beaches, Erie, Pennsylvania

Elizabeth A. Hittle
This data release supports the following publication: Hittle, Elizabeth, 2017, Longshore Water-Current Velocity and the Potential for Transport of Contaminants: A Pilot Study in Lake Erie from Walnut Creek to Presque Isle State Park Beaches, Erie, Pennsylvania, June and August 2015: U.S. Geological Survey Open-File Report 20161206 126 p., https://doi.org/10.3133/ofr20161206 Data were collected in Lake Erie between Walnut Creek and Presque Isle State Park (PSIP) Beach 1 in June and August 2015 to support a...

Data for herpetofaunal inventories of the national parks of South Florida and the Caribbean: Volume III, Big Cypress National Preserve

Brian M Jeffery, Kenneth G Rice, Marquette E Crockett, J. Hardin Waddle & H Franklin Percival
The Comprehensive Everglades Restoration Plan (CERP) requires the use of ecological indicators to measure the success of restoration efforts. The Everglades amphibian community is ideal because amphibians are present in all habitats and under all hydrologic regimes. During Everglades restoration, hydrologic patterns will change and the response of ecological indicators will determine success. Fourteen amphibian species were detected through VES, vocalization surveys and trapping methods throughout the study and the occurrence information collected in this...

Human-associated indicator bacteria and human specific virus loads, sample volumes, and drainage areas for six Menomonee River Watershed sampling locations

Peter Lenaker, Steven Corsi, Hayley A. Templar, Sandra L. McLellan, Mark A. Borchardt, Deb K. Dila, Susan K. Spencer & Austin K. Baldwin
Human-associated indicator bacteria and human specific viruses in the Menomonee River watershed in Milwaukee, WI were investigated from April 2009 to March 2011 at six sampling locations within the watershed. We used concentration and water volume data from runoff-event and low-flow periods to compute loads for each sample collected, and subsequently used those loads, and drainage area from each defined sub-watershed, to compute yield contributions of human-associated bacteria and human specific viruses for each of...

Phragmites australis maps and change, Delta National Wildlife Refuge, Louisiana (2011, 2013, 2016)

Nicholas M Enwright, Jason Dugas, Brady R. Couvillion & William M SooHoo
This U.S. Geological Survey Data Release includes maps of Phragmites australis coverage within the Delta National Wildlife Refuge (NWR), located on the eastern half of the Mississippi River Delta in south Louisiana, for 2011, 2013 and 2016. While the objective of this mapping effort was to map the presence of P. australis, the map also includes coverage of water and non-P.australis land areas (e.g., non-P. australis emergent marsh with scrub/shrub, developed, etc.) and water (e.g.,...

Bathymetry and topography data from the Elwha River delta, Washington, May 2011

Andrew Stevens, Guy Gelfenbaum, , Ian M. Miller & Heather M. Weiner
Two dams on the Elwha River, Washington State, USA trapped over 20 million cubic meters of sediment, reducing downstream sediment fluxes and contributing to erosion of the river's coastal delta. The removal of the Elwha and Glines Canyon dams between 2011 and 2014 induced massive increases in river sediment supply and provided an unprecedented opportunity to examine the response of a delta system to changes in sediment supply. The U.S. Geological Survey (USGS) developed an...

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