111 Works

USGS Benchmark Glacier Mass Balance and Project Data

Emily H Baker, Christopher J Mcneil, Louis Sass, Erich H Peitzsch, Erin N Whorton, Caitlyn E Florentine, Adam M Clark, Zachary S Miller, Daniel B Fagre & Shad R O'Neel
Since the late 1950s, the USGS has maintained a long-term glacier mass-balance program at three North American glaciers. Measurements began on South Cascade Glacier, WA in 1958, expanding to Gulkana and Wolverine glaciers, AK in 1966, and later Sperry Glacier, MT in 2005. Additional measurements have been made on Lemon Creek Glacier, AK to compliment data collected by the Juneau Icefield Research Program (JIRP; Pelto et al., 2013). Direct field measurements of point glaciological data...

Oceanographic and Water Quality Measurements in the Nearshore Zone at Matanzas Inlet, Florida, January- April, 2018

Steven E Suttles, John C Warner, Ellyn Montgomery & Marinna A Martini
The interactions of waves and currents near an inlet influence sediment and alter seafloor bedforms, especially during winter storms. As part of the Cross-Shore and Inlets (CSI) Processes project, instrumented platforms were deployed at two sites near Matanzas Inlet between January 24 and April 13, 2018. Matanzas Inlet is a natural, unmaintained inlet on the Florida Atlantic coast that is well suited to study inlet and cross-shore processes. The study sites were located offshore of...

Post-expedition report for USGS T-3 Ice Island heat flow measurements in the High Arctic Ocean, 1963-1973

Carolyn Ruppel, A.H Lachenbruch & B.V Marshall
In February 1963, the U.S. Geological Survey (USGS) began a study of heat flow in the Arctic Ocean Basin and acquired data at 356 sites in Canada Basin and Nautilus Basin and on Alpha-Mendeleev Ridge by the end of the project in 1973. The USGS heat flow and associated piston coring operations were conducted from a scientific station on the freely drifting T-3 Ice island (also known as Fletcher's Ice Island). The Naval Arctic Research...

Summary of dissolved pesticide concentrations in discrete surface-water samples collected on the islands of Kauai and Oahu between November 21, 2016 and April 29, 2017

Adam G. Johnson & Joseph J. Kennedy
The purpose of this release is to make available the quality-assured pesticide-concentration results for 32 discrete water samples that were collected on the islands of Kauaʻi and Oʻahu between November 21, 2016 and April 29, 2017. This webpage includes brief descriptions of the sampling sites, the samples collected, streamflow conditions during sampling, sample-collection and filtration methods, and a brief summary of the sample results namely pesticide-detection frequencies, and comparisons of pesticide-compound concentrations with a Federal...

ISRO Resourcesat 1 and Resourcesat 2 - AWiFS

Sheila Kautz
The Resourcesat-1 satellite was launched by the Indian Space Research Organisation (ISRO) on October 17, 2003, followed by Resourcesat-2 on April 20, 2011, to ensure systematic and repetitive coverage of the earths surface. The objective of these Indian Remote Sensing (IRS) satellites is to provide data for integrated land and water resource management. A collaborative effort between ISRO and the U.S. Geological Survey (USGS) provides open access to Linear Imaging Self Scanning (LISS-3) sensor and...

Monthly trematode infections of the snail Cerithidiopsis (Cerithidea) californica at Carpinteria Salt Marsh, California USA, February 2012 to January 2014

R.F. Hechinger & Kevin D. Lafferty
Each month (except March 2012), we collected detailed data on the infection status of intertidal snails from ten fixed sites as part of a broader effort to understand food webs in California Estuaries. The study site was Carpinteria Salt Marsh Reserve, California USA, (University of California Natural Reserve System), which comprises 9 Ha tidal channels, 2 Ha salt flats, 17 Ha upland habitat, 6 Ha tidal pans, 52 Ha vegetated marsh, 2 Ha tidal flats....

High Resolution Orthoimagery

Earth Resources Observation And Science
High resolution orthorectified images combine the image characteristics of an aerial photograph with the geometric qualities of a map. An orthoimage is a uniform-scale image where corrections have been made for feature displacement such as building tilt and for scale variations caused by terrain relief, sensor geometry, and camera tilt. A mathematical equation based on ground control points, sensor calibration information, and a digital elevation model is applied to each pixel to rectify the image...

Global Fiducials Library (GFL)

Earth Resources Observation And Science Center
The Global Fiducials Library (GFL) is a long-term archive of images from U.S. National Imagery Systems which represents a long-term periodic record for selected scientifically important sites. The GFL was created to be the collection, archive and data management component of the Global Fiducials Program (GFP). The GFP is a collaborative effort between Federal Civil Agencies, Academia, and the Intelligence Community. The principal goal of the GFP was to build and maintain a long-term record...

Data Pertaining to Mapping the Approximate Inland Extent of Saltwater at the Base of the Biscayne Aquifer in the Model Land Area of Miami-Dade County, Florida, 2016

Scott T. Prinos
Data pertaining to mapping the approximate inland extent of saltwater at the base of the Biscayne Aquifer in the Model Land Area of Miami-Dade County, Florida in 2016. The inland extent of saltwater at the base of the Biscayne aquifer in the Model Land area of Miami-Dade County, Florida, was last mapped in 2011. Since that time, the saltwater interface has continued to move inland. The interface is near several active well fields; therefore, an...

Incubation Constancy, Number of Incubation Recesses, Recess Duration and Mercury Concentrations for Tree Swallows at the Cosumnes River Preserve 2014

Christopher A Hartman, Josh T Ackerman & Mark P Herzog
These metadata provide data used to examine tree swallow incubation behavior in relation to egg mercury concentration and maternal blood mercury concentration. These data were collected from tree swallows nesting in artificial wooden nest boxes at the Cosumnes River Preserved in California's Central Valley in 2014. Included are two datasets. One dataset provides daily incubation constancy (the proportion of the day the female spent incubating her eggs), the number of incubation recesses (breaks from incubating)...

Raw Ground Penetrating Radar Data on North American Glaciers

Shad R O'Neel, D. McGrath, G.J. Wolken, Erin N Whorton, S.G. Candela, Louis Sass, Christopher J Mcneil, Emily H Baker, Erich H Peitzsch, Daniel B Fagre, Adam M. Clark, C.E. Florentine, Z.S. Miller, J.E. Christian, K. Christianson, E.L. Babcock, M.G. Loso, A.A. Arendt, E.W. Burgess & A. Gusmeroli
U.S. Geological Survey researchers conducted time-series ground-penetrating radar (GPR) surveys with a Sensors and Software 500-MHz Pulse Ekko Pro system. This data release contains ground-based (ski and snowmobile) as well as airborne common-offset profiles. All profiles are linked to coincident GPS observations. Additionally, common-midpoint data was collected at specific glacier locations. Coincident in-situ data may provide calibration information, and may be composed of any of the following: snow pits and/or snow-pit/snow-core combinations, probe profiles, and...

Spaceborne Imaging Radar-C (SIR-C)

Earth Resources Observation And Science Center
Spaceborne Imaging Radar-C (SIR-C) is part of an imaging radar system that was flown on board two Space Shuttle flights (9 - 20 April, 1994 and 30 September - 11 October, 1994). The USGS distributes the C-band (5.8 cm) and L-band (23.5 cm) data. All X-band (3 cm) data is distributed by DLR. There are several types of products that are derived from the SIR-C data: Survey Data is intended as a "quick look" browse...

Data Sets for the actual evapotranspiration (AET) rates from 2000 to 2017 in east-central and northeast Florida basins calculated using water-budget balance analysis (WBA), the Simplified Surface Energy Balance Operational (SSEBop) method, and the land-cover types method

Nicasio Sepulveda
Average annual Actual Evapotranspiration (AET) rates for basins in east-central and northeast Florida from 2000 to 2017 were calculated using a water-budget balance equation. These AET rates are used to assess the reliability of the AET rates calculated using the Simplified Surface Energy Balance operational (SSEBop) method. The AET annual rates, from 2000 to 2017 for the Simplified Surface Energy Balance operational (SSEBop) method and from 2000 to 2016 for the land-cover method were provided...

Sea floor sediment samples, seabed imagery, and CTD data collected in Stellwagen Bank National Marine Sanctuary, MA in 2015, U.S. Geological Survey Field Activity 2015-062-FA

Page C Valentine & VeeAnn A Cross
This field activity is part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall goal is to develop high-resolution (1:25,000) interpretive maps, based on multibeam sonar data and seabed sampling, showing surficial geology and seabed sediment dynamics. This cruise was conducted in collaboration with the Stellwagen Bank National Marine Sanctuary, and the data collected will aid research on the ecology of fish and invertebrate...

Continuous Resistivity Profiling Data and Associated Data from Greenwich Bay, Rhode Island collected in 2009, U.S. Geological Survey Field Activity 2009-021-FA

VeeAnn A Cross & John Bratton
As part of a larger investigation to understand groundwater-surface water interactions in Greenwich Bay, Rhode Island, a geophysical survey was conducted from a small research boat on 14-15 May 2009. The specific research objective was to gain an improved understanding of the role of direct groundwater discharge in delivery of excess nitrogen to the bay, which may have contributed to the development of low-oxygen conditions in waters of the bay and associated fish kills. Data...

Sampling data collected in Cape Cod Bay, Buzzards Bay, and Vineyard Sound; south of Martha's Vineyard; and south and east of Nantucket, Massachusetts, in 2011, U.S. Geological Survey Field Activity 2011-015-FA

Emily C Huntley, Seth Ackerman, R.L. Boeri, T.P Callaghan, D.W. Sampson & Massachusetts Department Of Coastal Zone Management
Sampling survey 2011-015-FA was conducted aboard the OSV Bold in September 2011 by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management with partners from the U.S. Environmental Protection Agency and Massachusetts Division of Marine Fisheries. Three hundred twenty-two stations were occupied with the large SEABOSS, where operational, or the ship's Van Veen grab sampler in Cape Cod Bay, Buzzards Bay, and Vineyard Sound; south of Martha's Vineyard; and south and east of...

Collections Inventory for the U.S. Geological Survey Woods Hole Coastal and Marine Science Center Samples Repository

Brian J. Buczkowski, VeeAnn A Cross & Peter N Schweitzer
The collections inventory database for the U.S. Geological Survey (USGS) Woods Hole Coastal and Marine Science Center (WHCMSC) Samples Repository is published as a USGS data release (Buczkowski and others, 2017), and is available to search online through the Samples Repositorys inventory search interface. Sample collections in the Repository can be searched and selected through a map interface, or by entering search criteria related to the platform the samples were collected from, the scientist responsible...

Sidescan sonar, single beam bathymetry, and navigation collected offshore of Sandwich Beach in 2016, U.S. Geological Field Activity 2016-030-FA

William W Danforth, Christopher R Sherwood, Marinna A Martini, Jonathan Borden & Sandra M Brosnahan
The objectives of the survey were to provide bathymetric and sidescan sonar data for sediment transport studies and coastal change model development for ongoing studies of nearshore coastal dynamics along Sandwich Town Neck Beach, MA. Data collection equipment used for this investigation are mounted on an unmanned surface vehicle (USV) uniquely adapted from a commercially sold gas-powered kayak and termed the "jetyak". The jetyak design is the result of a collaborative effort between USGS and...

Coastal and Marine Geology Video and Photograph Portal

Golden, Nadine E.; Ackerman, Seth D.
This portal contains U.S. Geological Survey (USGS) video and photography of the seafloor off of coastal California and Massachusetts, and aerial imagery of the coastline along segments of the Gulf of Mexico and mid-Atlantic coasts. These data were collected as part of several USGS Coastal and Marine Geology Program Seafloor Mapping projects and Hurricane and Extreme Storm research. The USGS Coastal and Marine Geology Program has been collecting a variety of geophysical and geological data...

Landsat 7 ETM+ Cloud Validation Masks

Richard R. Irish
This dataset was originally created by Richard Irish, NASA-GSFC, and was derived manually from Landsat Enhanced Thematic Mapper Plus (ETM+) Level 1G scenes. Its purpose is train and validate cloud masking algorithms. Each product is provided as a thematic raster, and includes the classes of cloud , thin cloud , clear , and fill . While these validation images were subjectively digitized by a single analyst, they provide useful information for quantifying the accuracy of...

Still-image frame grabs and benthic habitat interpretation of underwater video footage, March 2014, Faga'alu Bay, Tutuila Island, American Samoa

N.L. D'Antonio
Underwater video imagery was collected in March 2014 in the nearshore waters of Faga'alu Bay on the Island of Tutuila, American Samoa, as part of the U.S. Geological Survey Coastal and Marine Geology Program's Pacific Coral Reefs Project. This data set includes 2,119 still images extracted from the video footage every 10 seconds and an Environmental Systems Research Institute (ESRI) shapefile with locations and benthic habitat interpretations for each frame.

Streamflow and Water-Quality Data for Selected Streams in the Daniel Boone National Forest, Eastern Kentucky, 2015-17

Mac A. Cherry
During 2015-17, the U.S. Geological Survey (USGS), in cooperation with the U.S. Department of Agriculture Forest Service (USDA FS), carried out a study to characterize the hydrology and water chemistry in the Rock Creek and Cumberland River areas of the Daniel Boone National Forest. The study areas were historically mined for coal and have since been the focus of remediation efforts. The study examined the contributions of tributaries and gains/losses in both areas, and continuous...

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Earth Resources Observation And Science Center

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    111

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