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Grain size, microfossil, and strontium data for the Kure Beach and Elizabethtown cores, North Carolina Grain size, microfossil, and strontium data for the Kure Beach and Elizabethtown cores, North Carolina
Grain size, calcareous nannofossil, and strontium data for the Cenomanian to Santonian sediments of the Kure Beach and Elizabethtown cores in North Carolina.
Grand Falls, Arizona: Dune Field Sand Transport 2013 - 2016 Grand Falls, Arizona: Dune Field Sand Transport 2013 - 2016
As part of a NASA-funded study of sediment flux rates at a Mars analog site, we installed a suite of instruments in a small dune field near Grand Falls, Arizona. Data released in this report were collected from 10/28/2013 to 11/04/2016. The Grand Falls (GF) dune field is located on the Navajo Nation. It lies ~70 km NE of Flagstaff, AZ, 2 km east of Grand Falls, and just north of the...
Grand Falls, Arizona: Dune Field Sand Transport 2017 - 2019 Grand Falls, Arizona: Dune Field Sand Transport 2017 - 2019
As part of a NASA-funded study of sediment flux rates at a Mars analog site, we installed a suite of instruments in a small dune field near Grand Falls, Arizona. Data released in this report was collected from 02/07/2017 to 05/22/2019. The Grand Falls (GF) dune field is located on the Navajo Nation. It lies ~70 km NE of Flagstaff, AZ, 2 km east of Grand Falls, and just north of the...
Gravity data from the Truxton area, northwestern Arizona Gravity data from the Truxton area, northwestern Arizona
This dataset represents the network-adjusted results of relative- and absolute-gravity surveys. Data are provided in tabular (csv) and vector (shapefile) formats with one row per station.Relative-gravity surveys were carried out using a ZLS Coporation Burris relative-gravity meter. The effect of solid Earth tides and ocean loading were removed from the data. Instrument drift was removed...
Green-Ampt infiltration modeling following wildfire in the Colorado Front Range, USA Green-Ampt infiltration modeling following wildfire in the Colorado Front Range, USA
This product is a Model Archive for Green-Ampt method infiltration modeling following wildfire in the Boulder Creek watershed, in the Colorado Front Range, USA. The models contained in this archive simulate infiltration and consequent runoff generation through 7 years of recovery following a wildfire in 2010. These simulations provide insight to changes in the timing of runoff generation...
Greenhouse gas fluxes, dissolved gas concentrations, and water properties of laboratory mesocosms Greenhouse gas fluxes, dissolved gas concentrations, and water properties of laboratory mesocosms
These data describe greenhouse gas (GHG) emissions, dissolved GHG concentrations, and mesocosm conditions (vegetation, hydrologic phases, ambient conditions) of a controlled, laboratory study.
Ground conductivity measurements at selected National Wildlife Refuges, Montana and North Dakota, 2017-2018 Ground conductivity measurements at selected National Wildlife Refuges, Montana and North Dakota, 2017-2018
Shallow subsurface electrical conductivity was mapped at selected U.S. Fish and Wildlife Service managed lands in northeast Montana and northwest North Dakota using the DUALEM421 electromagnetic sensor (Dualem, Inc., ON, Canada) in the winters of 2017 and 2018. Data were acquired by towing the DUALEM421 sensor on a sled behind an all-terrain vehicle or snow machine, with the sensor at a...
Ground Control Point Locations, Elevations and Photographs From North Topsail Beach and Camp Lejeune, North Carolina, June 2019 Ground Control Point Locations, Elevations and Photographs From North Topsail Beach and Camp Lejeune, North Carolina, June 2019
Scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center collected location data (horizontal and vertical coordinates) for 53 Ground Control Points (GCP) in North Topsail Beach and within the Camp Lejeune Marine Corps Base, North Carolina, in June 2019. These GCPs were used to georectify aerial imagery taken post-Hurricane Florence (landfall...
Ground motions from the 2019 Ridgecrest, California, earthquake sequence Ground motions from the 2019 Ridgecrest, California, earthquake sequence
This project involves the compilation of ground motions, their derived parameters, and metadata for 133 earthquakes in the 2019 Ridgecrest, California, earthquake sequence. This dataset includes 22,991 records from 133 events from 4 July 2019 to 18 October 2019 with a magnitude range from 3.6 to 7.1.
Ground-based electromagnetic survey, Alamosa, Colorado, March 2020 Ground-based electromagnetic survey, Alamosa, Colorado, March 2020
Shallow soil conductivity was mapped in the San Luis Valley, Colorado, using the DualEM421 electromagnetic sensor in March 2020. Data were acquired by towing the DualEM421 sensor on a wheeled cart behind an all-terrain vehicle, with the sensor at a height of 0.457 m above the ground surface. Approximately 62 line-kilometers of data were acquired over an area of nearly 1.5 square...
Ground-based electromagnetic survey, Shellmound, Mississippi, October 2018 Ground-based electromagnetic survey, Shellmound, Mississippi, October 2018
Shallow soil characteristics were mapped near Shellmound, Mississippi, using the DualEM 421 electromagnetic sensor in October 2018. Data were acquired by towing the DualEM sensor on a wheeled cart behind an all-terrain vehicle (ATV), with the sensor at a height of 0.432 meters (m) above the ground surface. Approximately 175 line-kilometers of data were acquired over an area of nearly...
Groundwater Quality and Plume Boundaries for Select Contaminants of Concern at Badger Army Ammunition Plant, Wisconsin (2000 - 2018) Groundwater Quality and Plume Boundaries for Select Contaminants of Concern at Badger Army Ammunition Plant, Wisconsin (2000 - 2018)
This dataset describes concentrations of select contaminants in groundwater, collected at monitoring wells in the vicinity of the Badger Army Ammunition Plant in Sauk County, Wisconsin, between 2000 - 2018. The data were used to assess trends in contaminant concentrations over time, delineate plume boundaries at various time intervals, and assess the overall monitoring network at the...