7,851 Works

Assessing Water Quality from Highway Runoff at Selected Sites in North Carolina with the Stochastic Empirical Loading and Dilution Model (SELDM)

John C Weaver, Gregory E Granato & Sharon A Fitzgerald
In 2013, the U.S. Geological Survey (USGS) in partnership with the U.S. Federal Highway Administration (FHWA) published a new national stormwater quality model called the Stochastic Empirical Loading Dilution Model (SELDM). The model is optimized for roadway projects but in theory can be applied to a broad range of development types. SELDM is a statistically-based empirical model pre-populated with much of the data required to run the application successfully. The model uses Monte Carlo methods...

Green Jay (Cyanocorax yncas) bGREJx_CONUS_2001v1 Habitat Map

Julie Prior-Magee & Alexa McKerrow
This dataset represents a species habitat distribution model for Green Jay. These habitat maps are created by applying a deductive habitat model to remotely-sensed data layers within a species' range.

Mean tidal range in marsh units of Fire Island National Seashore and Central Great South Bay salt marsh complex, New York

Zafer Defne & Neil Kamal Ganju
Biomass production is positively correlated with mean tidal range in salt marshes along the Atlantic coast of the United States of America. Recent studies support the idea that enhanced stability of the marshes can be attributed to increased vegetative growth due to increased tidal range. This dataset displays the spatial variation of mean tidal range (i.e. Mean Range of Tides, MN) in the Fire Island National Seashore and Central Great South Bay salt marsh complex,...

USGS Gulf Coast Petroleum Systems, and National and Global Oil and Gas Assessment Projects - USGS Province 50 Assessment Unit Boundaries and Assessment Input Forms

Tina Roberts-Ashby
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown herein as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and...

Calliope Hummingbird (Stellula calliope) bCAHUx_CONUS_2001v1 Range Map

Adam Radel & Jeff Lonneker
This dataset represents a species known range extent for Stellula calliope (Calliope Hummingbird). These range maps are created by attributing sub-watershed polygons with information of a species presence, origin, seasonal and reproductive use.

Digitized oil and gas pads in the Piceance Basin of Western Colorado in 2015

Cericia Martinez
Digitization of oil and gas well pad sites in the Piceance region of Western Colorado. Well pad sites were delineated using a modified version of the Rapid Land Cover Mapping protocol (Preston and Kim, 2016). The base imagery used to delineate boundaries is the 2015 National Agriculture Imagery Program (NAIP) imagery. Well coordinate locations facilitating the targeting of well pad sites were downloaded from the Colorado Oil and Gas Conservation Commission (COGCC) in February 2016.

Short-headed Gartersnake (Thamnophis brachystoma) rSHGAx_CONUS_2001v1 Range Map

Ken Boykin & Jeff Lonneker
This dataset represents a species known range extent for Thamnophis brachystoma (Short-headed Gartersnake). These range maps are created by attributing sub-watershed polygons with information of a species presence, origin, seasonal and reproductive use.

Cheoah Bald Salamander (Plethodon cheoah) aCHSAx_CONUS_2001v1 Habitat Map

Julie Prior-Magee & Alexa McKerrow
This dataset represents a species habitat distribution model for Cheoah Bald Salamander. These habitat maps are created by applying a deductive habitat model to remotely-sensed data layers within a species' range.

Data release for Quantifying ecosystem service flows at multiple scales across the range of a long-distance migratory species

Darius J. Semmens, Kenneth J. Bagstad, Ruscnea Wiederholt, Joshua Goldstein, John Loomis, James E. Diffendorfer, Karen Oberhauser, Leslie Ries, Brice Semmens & Laura Lopez-Hoffman
Migratory species provide ecosystem goods and services throughout their annual cycles, often over long distances. Designing effective conservation solutions for migratory species requires knowledge of both species ecology and the socioeconomic context of their migrations. We present a framework built around the concept that migratory species act as carriers, delivering benefit flows to people throughout their annual cycle that are supported by the network of ecosystems upon which the species depend. We apply this framework...

SARP River Basin Area Size Classification

Arlene Oliverio (TNC), Mark Smith (TNC), Mary Davis (SARP), Emily Granstaff (SARP/USFWS)

Genetic assessment of the effects of stream-scape succession on coho salmon colonization in recently deglaciated streams in Glacier Bay, Alaska

B. J. Pierson
These are genetic data collected from over 700 individual coho salmon (Oncorhynchus kisutch) from 17 streams and rivers within Glacier Bay Alaska and 2 rivers outside the bay. Data collected from all samples include one nuclear gene intron, Growth Hormone-1, and eight microsatellite loci.

U.S. Geological Survey GAGES-II time series data from consistent sources of land use, water use, agriculture, timber activities, dam removals, and other historical anthropogenic influences

James A. Falcone
This product is a series of ten datasets containing tabular data from historical time series sources for the 9,067 conterminous United States sites in the U.S. Geological Survey (USGS) Geospatial Attributes of Gages for Evaluating Streamflow II (GAGES-II) dataset. The tables contain time-series data derived from consistent sources of agricultural commodities such as crop types, irrigation, and livestock (1950-2012), dam removals (1930-2013), imperviousness (1974-2012 and 2001-2011) and forest canopy (2011), land use (1974-2012 and 2001-2011),...

Data for A Comprehensive Survey of Fault Zones, Breccias, and Fractures in and Flanking the Eastern Española Basin, Rio Grande Rift, New Mexico

V. J. S. Grauch, Jonathan S. Caine, James R. Budahn, Tucker Keren & Scott A. Minor
This release provides the data for a comprehensive survey of geologic structures in the eastern Española Basin of the Rio Grande rift, New Mexico. The release includes data and analyses from 53 individual fault zones and 22 other brittle structures, such as breccia zones, joints, and veins, investigated at a total of just over 100 sites. Structures were examined and compared from poorly lithified Tertiary sediments, as well as Paleozoic sedimentary and Proterozoic crystalline rocks....

Sensor data from debris-flow experiments conducted in May, 2017, at the USGS debris-flow flume, HJ Andrews Experimental Forest, Blue River, Oregon

Maciej Krzysztof Obryk & Richard M Iverson
The files consist of two types: tabulated data files and graphical map files. Data files consist of three .csv files, representing three experiment dates (2017_05_23, 2017_05_24, 2017_05_25). Each of these files contains multiple columns of data, with each column representing either a time measurement or the value of a physical quantity measured at that time (e.g., flow depth, pore pressure, normal stress, etc.). Map files consist of three .pdf files, each representing an experiment date...

Long-term precipitation reduction experiment in the Colorado Plateau - Survival and mortality data from 2010 to 2018

Michael C Duniway, Erika L Geiger & David L Hoover
From 2011-2018 USGS biologists recorded vegetation and biological soil crust (BSC) cover by species and tracked survival of tagged individual plants (388 in total) across 40 locations where paired experimental plots had been installed in 2010. Plant cover was visually estimated using four 75 x 100 cm survey frames. Each site contained a two plots measuring 1.5 by 2.0 meteres: a control plot and a plot covered by a shelter that excluded 35% of incoming...

Riparian vegetation data used for comparing sampling methods along the Colorado River, Grand Canyon, Arizona

Emily C Palmquist
These data were collected as part of a methodologial comparison for collecting riparian vegetation data. Two common methods for collecting vegetation data were used: line-point intercept and 1m2 ocular quadrats (visual cover estimates). At each site and transect, both methods were used to collect cover and composition data by four different observers. The same transects and quadrats were utilized for both methods and all observers. Field data collected included percent cover for total living foliar...

Zooplankton of the St. Clair-Detroit River System (2012-2015)

Kevin Keeler
Crustacean zooplankton were collected, enumerated, identified, and measured within the St. Clair-Detroit River System (SCDRS). Collections were made using a 0.5 m diameter 153 um zooplankton net. Nets were lowered to ~0.5m from bottom depth and retrieved. Nets were utilized with a General Oceanics flowmeter to calculate the distance the net traveled. Collected specimens were narcotized in sugar formalin. Specimens were enumerated, identified, and measured under a dissection microscope. Volumetric estimates (m^-3) were obtained by...

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