<http://walrus.wr.usgs.gov/infobank/a/a398sc/html/a-3-98-sc.meta.html> <http://walrus.wr.usgs.gov/infobank/c/c199sc/html/c-1-99-sc.meta.html> <http://walrus.wr.usgs.gov/infobank/o/o104sc/html/o-1-04-sc.meta.html> <http://walrus.wr.usgs.gov/infobank/e/e204sc/html/e-2-04-sc.meta.html>
United States Geological Survey (USGS), Dartnell, Peter, and Edwards, Brian, 2012, Geologic character of the outer San Pedro Shelf seafloor, southern California (outer_shelf_character.tif):.This is part of the following larger work.Online Links:
Wong, Florence L. , Edwards, Brian D. , Dartnell, Peter, and Phillips, Eleyne L. , 2012, Seafloor Geology and Benthic Habitats of the San Pedro shelf, southern California: U.S. Geological Survey Digital Series 552, U.S. Geological Survey, Menlo Park, California.Online Links:
This is a Raster data set. It contains the following raster data types:
Planar coordinates are encoded using coordinate pair
Abscissae (x-coordinates) are specified to the nearest 16.0
Ordinates (y-coordinates) are specified to the nearest 16.0
Planar coordinates are specified in Meters
The horizontal datum used is WGS84.
The ellipsoid used is WGS84.
The semi-major axis of the ellipsoid used is 6378137.00 meters.
The flattening of the ellipsoid used is 1/0.003352811.
Sequential unique whole numbers that are automatically generated.
Sequential unique whole numbers that are automatically generated.
Range of values | |
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Minimum: | 0 |
Maximum: | 1 |
Descriptive name assigned to seafloor characteristics: 0 undefined; 1 rugose rock; 2 sand; 3 mixed rock, sand; 4 muddy sand; 5 coarser sand, shell material.
Range of values | |
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Minimum: | 0 |
Maximum: | 1 |
Range of values | |
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Minimum: | 0 |
Maximum: | 1 |
Value | Definition |
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0 | not opaque |
1 | opaque |
pixel count of class or category
Descriptive name assigned to seafloor characteristics: undefined; rugose rock; sand; mixed rock, sand; muddy sand; coarser sand, shell material.
(650) 329-5460 (voice)
(650) 329-5411 (FAX)
pdartnell@usgs.gov
These data are intended for science researchers, students, policy makers, and the general public. The data can be used with geographic information systems (GIS) or other software to display the seafloor character map of the San Pedro Shelf, southern California.
Gardner, J.V., Hughes-Clarke, J.E., and Mayer, L.A., 1999, Cruise Report: RV Coastal Suveryor Cruise C-1-99-SC, Multibeam Mapping of the Long Beach, California, Continental Shelf.Online Links:
Gardner, J.V., and Mayer, L.A., 1998, Cruise Report: RV Ocean Alert Cruise A2-98-SC, Mapping the Southern California Continental Margin.Online Links:
Dartnell, P., and Gardner, J.V., 2004, Predicting seafloor facies from multibeam bathymetry and backscatter data: Photogrammetric Engineering and Remote Sensing Vol. 70, No.9, pp 1081-1091.
Dartnell, P., and Gardner, J.V., 2004, Predicted Seafloor Facies of Central Santa Monica Bay, California: USGS Open-File Report 2004-1081.Online Links:
Person who carried out this activity:
(650) 329-5460 (voice)
(650) 329-5411 (FAX)
pdartnell@usgs.gov
Data sources used in this process:
Not applicable for raster data.
16 meters
0.05 percent of the water depth. Depths corrected to mean lower low water datum.
Complete
Unspecified
Are there legal restrictions on access or use of the data?
- Access_Constraints: None
- Use_Constraints:
- Please recognize the U.S. Geological Survey (USGS) as the source of this information. USGS-authored or produced data and information are in the public domain.
(650)329-5460 (voice)
Downloadable Data
These data not intended for navigational purposes.
Although these data have been used by the U.S. Geological Survey, U.S. Department of the Interior, these data and information are provided with the understanding that they are not guaranteed to be usable, timely, accurate, or complete. Users are cautioned to consider carefully the provisional nature of these data and information before using them for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. Conclusions drawn from, or actions undertaken on the basis of, such data and information are the sole responsibility of the user.
Neither the U.S. Government nor any agency thereof, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any data, software, information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights.
Trade, firm, or product names and other references to non-USGS products and services are provided for information only and do not constitute endorsement or warranty, express or implied, by the USGS, USDOI, or U.S. Government, as to their suitability, content, usefulness, functioning, completeness, or accuracy.
Data format: | TIFF (version 42) zip file containing raster image, world, and metadata files Size: 66 MB |
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Network links: |
<https://pubs.usgs.gov/ds/552/> |
(650) 329-5327 (voice)
fwong@usgs.gov