Data · collection · 2004
Surficial Geology and Analysis of Post-Impoundment Sediment of Lake Mohave; Interpretation of Sidescan Sonar and Seismic-Reflection Data
Listed in NASA Earthdata CMR
Lake Mohave is one of several multi-purpose reservoirs that have been constructed on the Colorado River.
Description
The lake was formed upon completion of the Davis Dam in 1953. Since then, research on this reservoir has dealt primarily with vegetation surrounding the lake (Tallent-Halsell and Walker, 2002), fish (Bozek and others, 1990), water quality (Paulson and Baker, 1983), and geological hazards to recreation areas surrounding the lake associated with flash floods (Glancy and Harmsen, 1975; Moosburner, 1979; 1981).
Because no lake-floor mapping had been conducted since completion of the Davis Dam, the U.S. Geological Survey, in cooperation with researchers from the University of Nevada Las Vegas, completed a geophysical survey of this lake in April 2002. The survey included collection of sidescan sonar imagery of nearly the entire lake floor, and of high-resolution seismic-reflection profiles along widely spaced lines throughout the lake.
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These acoustic data were used to produce detailed maps of the lake floor, which were subsequently used to determine the amount of sediment that had accumulated in the lake since impoundment, its distribution, and the processes of deposition. Information on sedimentation in the reservoir is needed for several reasons: (1) sediment diminishes the holding capacity and thus the longevity of the reservoir, (2) sediment can harbor pollutants that may have entered the lake, and (3) the distribution and types of sediment shed light on the processes of sediment dispersal through the lake.
The survey area extended from Willow Beach nearly to the Davis Dam (fig. 1). The area north of Willow Beach could not be surveyed because it was too narrow and shallow for the survey vessel. [Summary provided by the USGS.]
Links
Get the data
- pubs.usgs.gov /of/2004/1256/html/results.html ↗
Surficial Geology and Analysis of post-impoundment sediment of Lake Mohave results.
download · from NASA CMR
Catalogue records · 2
- CMR record cmr.earthdata.nasa.gov/search/concepts/C2231554095-CEOS_EXTRA.html ↗
catalogue entry · from NASA CMR
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C2231554095-CEOS_EXTRA.umm_json ↗
metadata API · from NASA CMR
Topics
- Stated by source
- Bathymetry · Bedrock Lithology · Fluvial Landforms · Fluvial Processes · Geomorphic Landforms/Processes · MAPS · Minerals · Not provided · PROFILERS · Sedimentary Rocks · Sediments · SHIPS · Sound Navigation and Ranging · Surface Roughness · Terrain Elevation · Topographical Relief Maps · Topographic Effects
Provenance · 1 source records, 24 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C2231554095-CEOS_EXTRA | 8 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[instrument].gcmd_instrument:profilers | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[instrument].gcmd_instrument:sonar | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/land-surface/geomorphic-landforms-processes | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/land-surface/geomorphic-landforms-processes/fluvial-processes | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/land-surface/topography/surface-roughness | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/land-surface/topography/terrain-elevation | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/land-surface/topography/terrain-elevation/topographical-relief-maps | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/land-surface/topography/topographic-effects | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/bathymetry-seafloor-topography/bathymetry | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/geomorphic-landforms-processes/fluvial-landforms | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/rocks-minerals-crystals/bedrock-lithology | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/rocks-minerals-crystals/minerals | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/rocks-minerals-crystals/sedimentary-rocks | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/rocks-minerals-crystals/sediments | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:maps | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:not-provided | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:ships | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| description | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/Abstract |
| publication_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| spatial | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/SpatialExtent |
| temporal | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/TemporalExtents |
| title | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/EntryTitle |
| version_label | source · NASA CMR | connector:nasa_cmr@1.0.0 |