1,280 Works

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

Lithogeochemistry of selected surface and drill core samples from the Chrome and Iron Mountain areas of the Stillwater Complex, Montana

Allen K Andersen, Heather L Parks & Michael L Zientek
Sulfide- and chromite-bearing samples of the Basal and Ultramafic series of the Stillwater Complex are known to contain elevated concentrations of chromium, nickel, copper, cobalt, gold, and platinum-group elements (PGE). Drill core and surface samples were collected from the Chrome and Iron Mountain areas for whole rock geochemical analysis, with specific interest in PGE, cobalt, and gold concentrations. Core samples are from exploration drilling programs by AMAX in the 1960s and 1970s and Beartooth Platinum...

Waihou Mitigation Area, Maui Island, bat acoustic activity, diet and prey availability, 2015 to 2018

Corinna Pinzari, Robert W. Peck, Kristina Montoya-Aiona, P. Marcos Gorresen, Kevin W Brinck, Terry L Zinn, Danielle N Gross & Frank Bonaccorso
Habitat use, diet, prey availability and foraging ecology of the endangered Hawaiian hoary bat (Lasiurus cinereus semotus, Vespertilionidae) were examined in the east Maui region inclusive of the Waihou Mitigation Area, Pu'u Makua Restoration Area and the wind power facility operated by Auwahi Wind Energy, LLC. The study was conducted to inform the mitigation and management requirements of Auwahi Wind Energy, and fulfill requirements for mitigating bat fatalities under its approved incidental take permit. Acoustic...

Louisiana Barrier Island Comprehensive Monitoring Program - 2008 habitat map, East Chenier Region

William M SooHoo, Nicholas M Enwright, Jason L Dugas, Rosemary L Mouton, Spencer J Stelly, Claudia Laurenzano, Darin M Lee & Peggy S Borrok
The Barrier Island Comprehensive Monitoring (BICM) program was developed by Louisiana's Coastal Protection and Restoration Authority (CPRA) and is implemented as a component of the System Wide Assessment and Monitoring Program (SWAMP). The program uses both historical data and contemporary data collections to assess and monitor changes in the aerial and subaqueous extent of islands, habitat types, sediment texture and geotechnical properties, environmental processes, and vegetation composition. Examples of BICM datasets include still and video...

Louisiana Barrier Island Comprehensive Monitoring Program - 2008 Habitat Map, Acadiana Bays Region

William M SooHoo, Nicholas M Enwright, Jason L Dugas, Rosemary L Mouton, Spencer J Stelly, Claudia Laurenzano, Darin M Lee & Peggy S Borrok
The Barrier Island Comprehensive Monitoring (BICM) program was developed by Louisiana-s Coastal Protection and Restoration Authority (CPRA) and is implemented as a component of the System Wide Assessment and Monitoring Program (SWAMP). The program uses both historical data and contemporary data collections to assess and monitor changes in the aerial and subaqueous extent of islands, habitat types, sediment texture and geotechnical properties, environmental processes, and vegetation composition. Examples of BICM datasets include still and video...

Louisiana Barrier Island Comprehensive Monitoring Program - 2015/16 Habitat Map, Acadiana Bays Region

William M SooHoo, Nicholas M Enwright, Jason L Dugas, Rosemary L Mouton, Claudia Laurenzano, Darin M Lee & Peggy S Borrok
The Barrier Island Comprehensive Monitoring (BICM) program was developed by Louisiana's Coastal Protection and Restoration Authority (CPRA) and is implemented as a component of the System Wide Assessment and Monitoring Program (SWAMP). The program uses both historical data and contemporary data collections to assess and monitor changes in the aerial and subaqueous extent of islands, habitat types, sediment texture and geotechnical properties, environmental processes, and vegetation composition. Examples of BICM datasets include still and video...

Geophysical Surveys at Lake Poinsett Dam, Poinsett County, Arkansas

Ryan F Adams, Benjamin V Miller, Jason D Payne, Walter F Killion, Scott J Ikard & Wade Kress

USGS Alaska Science Center Wildlife Tracking Data Collection

Understanding the short- and long-distance movements of wildlife is critical for a wide variety of ecological research studies and management decisions. Since the mid-1980s, the USGS Alaska Science Center has collected data from wildlife tracking devices to: determine locations of animals throughout their annual cycles, understand patterns of habitat use, quantify time spent on various behaviors, determine timing of life cycle events, and identify geographic areas repeatedly used by wildlife that may be of significance...

Fish eggs collected in the St. Clair and Detroit rivers, 2005-2018

Jaquelyn Craig, Gregory W Kennedy & Edward Roseman
A long-term, multiseason, fish egg sampling program is conducted annually on the Detroit, Saint Clair, and Saint Marys rivers to identify where productive fish spawning habitat currently exists. Egg mats were placed on the river bottom during the spring and fall at historic spawning areas, candidate fish spawning habitat restoration sites, and completed spawning habitat restoration sites throughout the rivers. Widespread evidence was found of lithophilic spawning by numerous native fish species, including walleye (Sander...

Hillslope hydrologic monitoring data following the 2009 Station Fire, Los Angeles County, California, November 2015 to June 2017

Joel B Smith, Jason W Kean, Benjamin B Mirus, Dennis M. Staley & Luke A. McGuire
This data release includes time-series data from two monitoring stations in drainage basins burned in the 2009 Station Fire, Los Angeles County, California. Both stations are located near the upper boundary of their respective watershed and were installed to study the effects of vegetation recovery on hillslope hydrology and debris-flow occurrence. The data include 1-minute time series of rainfall, soil water content, soil temperature, and soil matric potential recorded at two locations at both stations:...

Multibeam Bathymetry Data Collected in 2018 from Grand Bay and Point Aux Chenes Bay Alabama/Mississippi

Chelsea A Stalk, Joseph J Fredericks & Christopher G Smith
The U.S Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center (SPCMSC) conducted an ellipsoidally referenced survey using a multibeam echosounder within Grand Bay and Point Aux Chenes Bay, Alabama/Mississippi October 22-23, 2018. The survey is bridged between the former Sea level and Storm Impacts on Estuarine Environments and Shorelines project (SSIEES), which focused on the influence of marsh shoreline geometry on erosion and deposition patterns, and the current Estuarine and Marsh Geology Research...

Projected Seafloor Elevation Along the Florida Reef Tract From Big Pine Key to Marquesas Key, Florida-100 Years From 2011 Based on Historical Rates of Mean Erosion

Kimberly K Yates, David G Zawada, Stephanie R Arsenault & Zachery W Fehr

Generic qPCR Limit of Detection (LOD) / Limit of Quantification (LOQ) calculator

Christopher M Merkes

Louisiana Barrier Island Comprehensive Monitoring Program - 2008 to 2016 habitat change, Modern Delta Region

Claudia Laurenzano, Nicholas M Enwright, William M SooHoo, Jason L Dugas, Rosemary L Mouton, Darin M Lee & Peggy S Borrok

Water Chemistry of Great Lakes Tributaries

Patrick M Kocovsky & John Farver
Chemical composition of fish bones can be used to trace fish migrations and other movements (e.g., use of tributaries for spawning). Chemical composition of water is required to be able to trace fish migrations or movements to particular rivers or streams. Because water chemistry can change over time due to changes in land use, tectonic movements that alter groundwater pathways, pollution, industrial activity, and potentially other sources, periodic re-assessment of water chemistry is required. Here...

Utilizing Tree Swallows as Indicators for Contaminants in the Great Lakes Area: StoryMap

Christine M Custer & Jayme M Stone

2016 Mw 6.0 Petermann Ranges earthquake, Australia: Pre- and post-earthquake digital elevation models

Ryan D. Gold & William D. Barnhart
We generated digital elevation models (DEMs) using pre- and post-event in-track stereo 0.5 m resolution panchromatic Worldview 1 and 2 images (2019, DigitalGlobe) using the Surface Extraction from TIN-based Searchspace Minimization (SETSM) software [Noh and Howat, 2015] running on the University of Iowa Argon supercomputer (Table S1). The post-event DEMs exhibit along-track striping artifacts common to the Worldview 2 sensor. While de-striping tools, for example within NASAs Ames Stereo Pipeline [Shean et al., 2016], are...

Abundance and Distribution of Fishes in the Northern Sacramento-San Joaquin Delta, California, 2017-2018 (ver 1.1, December 2019)

Dennis A Steinke, Matthew J Young & Frederick V Feyrer
This dataset includes field data for fishes sampled using gill nets during daylight hours in the Northern Sacramento-San Joaquin Delta, California, USA. This data release includes all measured environmental parameters and fish taxa included in the analysis.

Data in support of study evaluating effects of legacy-sediment removal on nutrients and sediment in Big Spring Run, Lancaster County, Pennsylvania, 2009-15

Mike Langland
The stream corridor at the Big Spring Run restoration site has been identified as a substantial source of sediment and nutrients to streams due to streambank erosion and floodplain scour of legacy sediment. Three USGS streamgages were installed and water-quality monitoring began in water year 2009, prior to the legacy sediment removal from the restoration area. The legacy sediment was removed from approximately 4.6 acres within the Big Spring Run study area in the fall...

Peak-flow frequency analyses for 11 selected streamgages in Jefferson County, Montana, based on data through water year 2017 (ver. 1.1, September 2019)

Steven K. Sando, Katherine J. Chase & Peter M. McCarthy
The USGS Wyoming-Montana Water Science Center (WY-MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY-MT WSC. This data release presents peak-flow frequency analyses for 11 selected streamgages in Jefferson County,...

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