Southwest Biological Science Center

Data and Tools

Filter Total Items: 227
Date published: January 1, 2018

Laboratory experiment data—turbidity response to increasing silt and clay concentration

These data were compiled during a laboratory experiment showing the turbidity response to increasing silt and clay concentration. The sediment used for the laboratory experiment was collected in the Grand Canyon study area, from the bank of the Little Colorado River, approximately 1 kilometer upstream from its confluence with the Colorado River. The sediment was passed through a 63 µm...

Date published: January 1, 2018

High Intensity Land-use Overlap Colorado Plateau

This dataset represents the spatial overlap in areas with present (cropland, grazing, and recreation), potential (petroleum resources), or projected future (population) high-intensity land-use. The final areas designated as high-intensity land-use represent high intensity relative to the range of values for that variable in this region, either present or future, and do not

Date published: January 1, 2018

Central Mojave Desert Vegetation Mapping Project, California, 1997-1999

The U.S. Geological Survey (USGS) Data at Risk (DaR) team partnered with the USGS Southwest Biological Science Center (SBSC) to preserve and release tabular data, shapefiles and field photographs of the Central Mojave Desert from 1997-1999. The data were originally collected as part of an effort through the Desert Managers Group (DMG) to develop scientific information on the dis

Date published: January 1, 2018

Genetic analyses of Astragalus sect. Humillimi data in the southwest USA

These data were compiled to support effective conservation for species within Astragalus sect. Humillimi. Two species, A. cremnophylax var. cremnophylax and A. humillimus are federally listed as endangered taxa. The data provided herein were used to resolve the relationaships among taxa, the population structure within taxa, and genetic diversity within taxa. The data are provided in a STRU...

Date published: January 1, 2018

BLM Recreation Visitors, 2014, Colorado Plateau

Bureau of Land Management (BLM) field office recreation data for 2014 was downloaded from the Recreation Management Information System (Yuan et al. 1995, Nickels 2003, Leuders 2015). The unit is number of participants in 2014, which was estimated at the scale of an individual BLM Field Office. Leuders, A. 2015. Fiscal year 2015 end-of-year recreation management information system

Date published: January 1, 2018

Sand classifications along the Colorado River in Grand Canyon derived from 2002, 2009, and 2013 high-resolution multispectral airborne imagery

These data are remote sensing image-based classification maps of unvegetated river-derived sand along the Colorado River. One map is based on imagery acquired in May 2013 and is a classification of sand located above the wetted river channel in the imagery which was acquired at the approximate contemporary low-flow river discharge of 8,000 cubic feet per second (227 cubic meters per second)...

Date published: January 1, 2018

Climate, hydrology and riparian vegetation composition data, Grand Canyon, Arizona

These data were compiled for monitoring riparian vegetation change along the Colorado River. This file contains data recorded at 42 sandbars between Lees Ferry and Diamond Creek, AZ, which are sampled for both geomorphic and vegetation change annually. Field data contained here were collected from 2012 to 2016 in September and October of each year. Plant species cover values in 5441 1m^2 qu...

Date published: January 1, 2018

Concentrated Solar Power Potential, 2012, Colorado Plateau

Potential for concentrated solar power generation in Wh/sq. m./day determined with the RE Atlas (NREL 2012, Lopez et al. 2012). Lopez, A., B. Roberts, D. Heimiller, N. Blair, and G. Porro. 2012. U.S. Renewable Energy Technical Potentials: A GIS-Based Analysis. U.S. Department of Energy, Office of Energy Efficiency & Renewable Energy, National Renewable Energy Laborato

Date published: January 1, 2018

Aeolian mass flux, rangeland monitoring site, and unpaved road reach data

These data were compiled for monitoring and analyzing the amount of windblown (aeolian) sediment at 100 cm height near Moab, UT. Big Springs Number Eight (BSNE) field aeolian passive sediment traps are summarized by location and time period in shapefiles. Shapefiles also include attributes used to analyze patterns in the aeolian transport. Three different BSNE shapefiles represent 1)

Date published: January 1, 2018

Geomorphology and Campsite Data, Colorado River, Marble and Grand Canyon, Arizona

This ESRI geodatabase consists of 5 feature datsets with 23 individual polygon feature classes and two raster datasets. A master campsite polygon feature class represents the boundaries of campsites identified in the 1973, 1984, and 1991 campsite inventories of the Colorado River corridor in Grand Canyon, Arizona. The other polygon feature classes represent camp locations along the Colorado...

Date published: January 1, 2018

County Proportion of Cultivated Agriculture 2012 Colorado Plateau

County cultivated agriculture area from county census data (NASS, 2012). NASS [National Agricultural Statistics Service]. 2014. Quick Stats 2.0. U.S. Department of Agriculture, Washington D.C., USA.

Date published: January 1, 2018

Undiscovered Continuous Oil, Colorado Plateau

This dataset is based on U.S. Geological Survey (USGS) resource assessments for “undiscovered” oil resources, which are resources that have not yet been extensively proven by drilling (USGS 2014). Individual resource assessments describe the amount of petroleum resources in units with similar geologic features. We focused on the amount of undiscovered continuous oil beca