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Data supporting the study of tree species' access to rock-derived nutrients, Tillamook State Forest, 2015
This dataset describes foliar and soil chemistry and isotopes for six tree species in Tillamook State Forest, 2015.
Hydrologic event-based water-quality and streamflow data for three oxbow tributaries in northwestern Mississippi, 2007-2016
For about 10 years, the U.S. Geological Survey (USGS) has monitored water quality and streamflow in three agricultural drainage ditches in an effort to evaluate the influence of best management practices on water quality. These ditches are small tributaries to oxbow lakes located in the Mississippi Alluvial Plain of northwestern Mississippi--two sites (LWSR and LWT2) drain to Lake Washington and o
Water quality data from Bell County, Texas, 2012-2015
Between 2012 and 2015, water-quality samples were collected by the USGS in cooperation with the Clearwater Underground Water Conservation District (CUWCD), the Bell County Adaptive Management Coalition (BCAMC), and other entities, with a primary goal of characterizing the groundwater resources in Bell County, Texas. Water resources associated with the northern segment of the Edwards aquifer near t
Reported historic asbestos mines, historic asbestos prospects, and other natural occurrences of asbestos in the conterminous United States
This data release is a compilation of six earlier reports on natural occurrences of asbestos in the conterminous United States, which were published separately; these are Van Gosen (2005, 2006, 2007, 2008, 2010) and Van Gosen and Clinkenbeard (2011). The earlier reports were compilations divided by regions of the United States; in each report the data were provided in spreadsheet format. This data
Colorado River Mile System, Grand Canyon, Arizona
These data represent the centerline and measured increments at hundredths, tenths and whole miles, along the centerline of the Colorado River beginning at Glen Canyon Dam near Page, Arizona and terminating near the inflow s of Lake Mead in the Grand Canyon region of Arizona, USA. The centerline was digitized using Color Infra-Red (CIR) orthophotography collected in March 2000 as source informatio
Shoreline Change Analysis for the Grand Bay National Estuarine Research Reserve, Mississippi Alabama: 1848 to 2017
Throughout the northern Gulf of Mexico, marsh shorelines are eroding due to wave attack, sea-level rise and subsidence. Shoreline erosion results in net marsh loss when transgression rates at the marsh-water edge exceed upland-marsh migration. Coastal marsh serves important ecologic and economic functions, such as providing habitat, absorbing floodwaters and storm surges, and coastal carbon seques
Coral cover and health determined from seafloor photographs and diver observations, West Hawai'i, 2010-2011
Bottom photographs and transect survey data were collected at 31 stations spanning 75 km of west Hawaii Island over the period 2010 to 2011 to examine coral community structure, coral colony size structure, and coral health. The data also establish baseline conditions and support efforts to track change in coral communities in the future. Stations were sited along a gradient in exposure to submari
Time-series oceanographic data from the Monterey Canyon, CA October 2015 - March 2017
Time-series data of water depth, velocity, turbidity, and temperature were acquired between 5 October 2015 and 21 March 2017 within the Monterey Canyon off of Monterey, CA, USA.
In order to better understand the triggering, progression and evolution of turbidity currents in Monterey Submarine Canyon, an experiment was designed to directly measure velocity, suspended sediment and physical water
Geotagged Low-Altitude Aerial Imagery from Unmanned Aerial Systems Flights over Town Neck Beach in Sandwich, Massachusetts, With Associated Ground Control Points, and Transects, Collected on January 9, January 25, February 14, March 16, April 28, May 4, a
Low-altitude (80-100 meters above ground level) digital images of Town Neck Beach in Sandwich, Massachusetts, were obtained from a camera mounted on a small unmanned aerial system (UAS; also known as a drone). Imagery was collected at close to low tide on seven days bracketing coastal ocean storms to observe changes in beach and dune morphology. The images were geolocated by using the single-frequ
Projected Seafloor Elevation Change in the Upper Florida Keys 25, 50, 75 and 100 Years from 2002
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted research to quantify the combined effect of all constructive and destructive processes on modern coral reef ecosystems by measuring regional-scale changes in seafloor elevation in the Upper Florida Keys, Florida (FL), including both coral-dominated habitats and adjacent, non-coral-dominated habitats. USGS
Data for Rupture Model of the 2016 M5.8 Pawnee, Oklahoma Earthquake
The 2016 M5.8 Pawnee, Oklahoma earthquake is the largest earthquake to have been induced by wastewater disposal. We infer the coseismic slip history from analysis of apparent source time functions and inversion of regional and teleseismic P-waveforms, using aftershocks as empirical Green's functions. The earthquake nucleated on the shallow part of the fault, initially rupturing towards the surface
LEAN-corrected San Francisco Bay digital elevation model, 2018
Lidar-derived digital elevation models often contain a vertical bias due to vegetation. In areas with tidal influence the amount of bias can be ecologically significant, for example, by decreasing the expected inundation frequency. We generated a corrected digital elevation mode (DEM) for tidal marsh areas around San Francisco Bay using the Lidar Elevation Adjustment with NDVI (LEAN) technique (Bu