Physical Scientist
Email:
abenthem@usgs.gov
Office Phone:
603-226-7853
Fax:
603-226-7894
ORCID:
0000-0003-2372-0281
Location
331 Commerce Way
Suite #2
Pembroke
, NH
03275-3718
US
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In 2022, the U.S. Geological Survey (USGS) in cooperation with the New Hampshire Department of Transportation (NHDOT) made 107 horizontal-to-vertical spectral ratio (HVSR) passive seismic geophysical measurements at four transportation infrastructure sites in New Hampshire to determine the benefits of HVSR as an enhancement to traditional geotechnical site characterizations performed by NHDOT. Typically, data are obtained from the subsurface during borings to characterize geotechnical properties but often borings are spaced hundreds of feet apart. Geotechnical site characterization guided by geophysical surveys (such as the HVSR method) between borings will help provide a more thorough characterization. By combining...
Categories: Data;
Tags: Canterbury, NH,
Geophysics,
Geophysics,
Groundwater,
Horizontal-to-Vertical Spectral Ratio (HVSR) Seismic, All tags...
Lee, NH,
New Hampshire,
New London, NH,
Passive Seismic,
Slope failure,
Troy, NH,
USGS Science Data Catalog (SDC),
environment,
geoscientificInformation,
transportation, Fewer tags
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These metadata sets present the comprehensive geochemical composition of solid and water samples from the site of a 11.4ML (million liters) wastewater spill discovered in January, 2015. Analyses of a pipeline sample (analyses of select analytes), supplied by the North Dakota Department of Health are also included. The spill was near Blacktail Creek, north of Williston, ND. The leak was from a pipeline located approximately 70m from Blacktail Creek. The creek flows 17km before entering the Little Muddy River, a tributary to the Missouri River. The study included samples collected in waters upstream and downstream from Blacktail Creek in February and June 2015, June 2016, and June 2017. These data sets include field...
Categories: Data;
Tags: Bakken,
Blacktail Creek,
Little Muddy,
NVDOC,
North Dakota, All tags...
USGS Science Data Catalog (SDC),
Williams,
Williston Basin,
ammonium,
anions,
barium,
brine spills,
cations,
chemical analysis,
chromatography,
environment,
geochemistry,
major ions,
none,
nutrient content (water),
oxygen content (water),
oxygen isotope analysis,
radium,
radium isotopes,
salinity,
semi-volatile hydrocarbons,
strontium,
strontium isotopes,
surface water quality,
trace elements,
unconventional oil and gas production,
water pH,
water properties,
water temperature, Fewer tags
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This data release includes a file geodatabase with high-resolution geospatial products that illustrate the geomorphology and various land-surface parameters along a 313-kilometer segment of the mainstem Klamath River corridor downstream of Iron Gate Dam, CA. The geospatial products were derived from topobathymetric elevation data collected to document baseline topography and bathymetry before the removal of four hydro-electric dams. The elevation survey included aerial lidar, using an integrated topobathymetric sensor (with near-infrared and green wavelengths), and boat-based sonar measurements of water depths. Acquisition dates for the aerial topobathymetric lidar spanned 06/01/2018 to 06/14/2018. For the bathymetric...
Tags: California,
Ecology,
Geomorphology,
Hydrology,
Iron Gate Dam, All tags...
Klamath River,
Remote Sensing,
U.S. Geological Survey,
USGS,
USGS Science Data Catalog (SDC),
United States,
Water Quality,
Water Resources,
bathymetry,
dam removal,
digital elevation model,
elevation,
freshwater ecosystems,
geographic information systems,
geomorphology,
geomorphometry,
geoscientificInformation,
inlandWaters,
lidar,
remote sensing,
river systems,
topobathymetric,
topography, Fewer tags
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