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In August 2017, the U.S. Geological Survey acquired high-resolution P- and S-wave seismic data near six Southern California Seismic Network (SCSN) recording stations in southern California: CI.OLI Olinda; CI.SRN Serrano; CI.MUR Murrieta; CI.LCG La Cienega; CI.RUS Rush; and CI.STC Santa Clara (Figure 1). These strong-motion recording stations are located inside Southern California Edison electrical substations, critical infrastructures that provide essential services to millions of customers. The primary goals of the seismic survey were to understand the potential for amplified ground shaking and to evaluate lateral variability in shear-wave velocity at these sites. We deployed up to 88 geophones at 2-m or 4-m...
Categories: Data;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Geophysics,
Seismology,
Shear-wave velocity,
Southern California,
USGS Science Data Catalog (SDC),
We created ADAPT to help partners make science-informed decisions related to species and habitat prioritization across the Southwest United States. We used Integrated Nested Laplace Approximation (INLA) to analyze the data at a 1-km resolution. We used climate and land use change data generated from CMIP 6 climate models. Count data were from eBird surveys and converted to presence/absence data for analysis. Our model consisted of fixed effects of elevation, land cover type, and effort with random effects for year and site as well as a spatial random effect. We implemented the effect of relative humidity as a spatially-varying coefficient such that the effect of relative humidity on occupancy can vary at each grid...
Part of the Barrow unit of the Gubik Formation at Nunavak, showing gray blocky sandy silty clay at base, a thin lens of clean yellow sand in the center, and yellow-brown blocky clayey silty sand at top. Barrow district, Northern Alaska region, Alaska. August 10, 1946. Published as figure 26 in U. S. Geological Survey Professional Paper 302-C. 1964.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Black, R.F. Collection,
Northern Alaska, Alaska,
Photographers,
photo print
Death Valley National Park, California. Thin-bedded middle member of the Bonanza King Formation on the north side of Trail Canyon. View is north. This member, about 600 feet thick, forms a distinctive unit separating massive thick-bedded dolomite comprising the upper and lower members of the formation. Circa 1960. Figure 22, U.S. Geological Survey Professional Paper 494-A.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Death Valley National Park,
Death Valley National Park, California,
Hunt, C.B. Collection,
National Parks,
Photographers,
This data release contains the concentration results for basic water-quality constituent class parameters (water temperature, pH, turbidity, and specific conductance), total nitrogen, total phosphorous, chloride, and trace elements in surface-water samples collected from two subsites within two vernal pools near Pleasant Grove, New Jersey in 2022-23. In the winter (December 2022 and February 2023) samples were collected at opposing ends of the ponds, or wherever ponding was sufficient for a sample to be taken. An additional sample was collected in July 2023 during the amphibian breeding season. The number of samples collected during each sampling event varied based on water availability and in July 2023 only one...
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Ecology,
Environmental Health,
InlandWaters,
Ions,
Jackson Township,
Bishop Conglomerate (Oligocene, light pink) unconformably overlying Moenkopi Formation (Triassic, orange and white) near east end of Diamond Mountain. Exposed thickness of Bishop here is 400-500 feet. Sec. 31, T. 2 S., R. 25 E., Uintah County, Utah. June 1984.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Hansen, W.R. Collection,
Photographers,
Uintah County, Utah,
color photo print
Specimens showing injection gneiss formed by intimate intrusion of quartz biotite schist of the Idaho Springs formation by granite pegmatite; taken from dump of Golden Rod tunnel, Silver Creek. Gilpin County, Colorado. Circa 1911. Plate 10-B, natural size, in U.S. Geological Survey Professional Paper 94. 1917.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Bastin, E.S. Collection,
Gilpin County, Colorado,
Photographers,
Specimens,
photo print
Pleistocene formations in San Pedro: North side of Second Street in block between Pacific Avenue and Mesa Street. Lomita marl conformably overlain by Timms Point silt (on right): both formations unconformably overlain by Palos Verdes sand and nonmarine terrace cover (top). Los Angeles County, California. 1930. Plate 15-A, U.S.Geological Survey Professional Paper 207. 1946.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Los Angeles County, California,
photo print
Contact between Claggett formation and Judith River beds shown by line of trees, on Birch Creek near mouth. Chouteau County, Montana. 1904. U.S. Geological Survey Bulletin 257, Plate 4-B. 1905.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Chouteau County, Montana,
photo print
These datasets provide early estimates of 2024 fractional cover for exotic annual grass (EAG) species and one native perennial grass species on a weekly basis from April to late June. Typically, the EAG estimates are publicly released within 7-13 days of the latest satellite observation used for that version. Each weekly release contains five fractional cover maps along with their corresponding confidence maps for: 1) a group of 16 species of EAGs, 2) cheatgrass (Bromus tectorum); 3) Field Brome (Bromus arvensis); 4) medusahead (Taeniatherum caput-medusae); and 5) Sandberg bluegrass (Poa secunda). These datasets were generated leveraging field observations from Bureau of Land Management (BLM) Assessment, Inventory,...
Categories: Data;
Types: Downloadable,
GeoTIFF,
Map Service,
Raster;
Tags: Arizona,
California,
Colorado,
Field Brome,
Great Basin,
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