Online Links:
Online Links:
Range of values | |
---|---|
Minimum: | 16.66667 |
Maximum: | 30.80830 |
Units: | decimal degrees |
Resolution: | .00001 |
Range of values | |
---|---|
Minimum: | -97.73185 |
Maximum: | -63.80000 |
Units: | decimal degrees |
Resolution: | .00001 |
Value | Definition |
---|---|
-99 | Data are not available |
Range of values | |
---|---|
Minimum: | 0 |
Maximum: | 6770 |
Units: | meters |
Resolution: | 1 |
Range of values | |
---|---|
Minimum: | 0 |
Maximum: | 653.00 |
Units: | meters |
Resolution: | 0.01 |
Range of values | |
---|---|
Minimum: | 0 |
Maximum: | 655.00 |
Units: | meters |
Resolution: | 0.01 |
Range of values | |
---|---|
Minimum: | 1 |
Maximum: | 538 |
Units: | integer count |
Resolution: | 1 |
Range of values | |
---|---|
Minimum: | 1 |
Maximum: | 44241 |
Units: | integer count |
Resolution: | 1 |
Range of values | |
---|---|
Minimum: | 1 |
Maximum: | 82238 |
Units: | integer count |
Resolution: | 1 |
Value | Definition |
---|---|
ACU | Acoustic Properties |
CMP | Sediment Composition |
COL | Color |
GTC | Geotechnical Properties |
GRZ | Grain Size |
TXR | Texture |
TXG | Texture (Graphic) |
LTH | Lithology |
Range of values | |
---|---|
Minimum: | 0 |
Maximum: | 100 |
Units: | percent |
Resolution: | 1 |
Range of values | |
---|---|
Minimum: | 0 |
Maximum: | 100 |
Units: | percent |
Resolution: | 1 |
Range of values | |
---|---|
Minimum: | 0 |
Maximum: | 100 |
Units: | percent |
Resolution: | 1 |
Range of values | |
---|---|
Minimum: | 0 |
Maximum: | 100 |
Units: | percent |
Resolution: | 1 |
Range of values | |
---|---|
Minimum: | -7.3 |
Maximum: | 12 |
Units: | phi |
Resolution: | 0.1 |
Range of values | |
---|---|
Minimum: | 0 |
Maximum: | 6 |
Units: | phi |
Resolution: | 0.1 |
Value | Definition |
---|---|
-99 | no data available |
Range of values | |
---|---|
Minimum: | 9999 |
Maximum: | 9999 |
Units: | kPa |
Resolution: | 1 |
Value | Definition |
---|---|
<blank> | unclassified |
(g)M | slightly gravelly mud |
(g)mS | slightly gravelly muddy sand |
(g)S | slightly gravelly sand |
(g)sM | slightly gravelly sandy mud |
G | gravel |
gM | gravelly mud |
gmS | gravelly muddy sand |
gS | gravelly sand |
M | mud |
mG | muddy gravel |
mS | muddy sand |
msG | muddy sandy gravel |
S | sand |
sG | sandy gravel |
sM | sandy mud |
Value | Definition |
---|---|
-99 | no data available |
Value | Definition |
---|---|
-99 | no data |
Value | Definition |
---|---|
-99 | no data |
Range of values | |
---|---|
Minimum: | 0 |
Maximum: | 100 |
Units: | percent |
Resolution: | 1 |
Value | Definition |
---|---|
-99 | no data |
Range of values | |
---|---|
Minimum: | -10 |
Maximum: | 102 |
Units: | percent |
Resolution: | 1 |
Range of values | |
---|---|
Minimum: | 1405 |
Maximum: | 1902 |
Units: | meters/second |
Resolution: | 1 |
Value | Definition |
---|---|
CLAY | sediment whose main phase is <4 microns (usually >50%) |
CLAYEY SILT | sediment whose main phase is silt (>50%) with significant clay |
GRAVEL | sediment whose main phase is >2 mm ( ususlly >50%) |
GRAVELLY SEDIMENT | sediment with significant amounts of gravel (>10%, but <50%) |
SAND | sediment whose main phase is <2 mm, but >.062 mm |
SAND SILT CLAY | sediment with sand, silt, and clay concentrations all >20% |
SANDY CLAY | sediment whose main phase is clay (>50%) with significant sand |
SANDY SILT | sediment whose main phase is silt (>50%) with significant sand |
SEDIMENT | Information unavailable from original metadata. |
SILT | sediment whose main phase is <0.62 mm, but >4 microns |
SILTY CLAY | sediment whose main phase is clay (>50%) with significant silt |
SILTY SAND | sediment whose main phase is sand (>50%) with significant silt |
We thank the following interns for their assistance in data entry, coding, and data testing: Viness Ubert, Emma Mitchell, Emily Denham ,Shea Quinn and Ariadne Prior-Grosch.
To build a digital mapping of the character of the seabed on regional, national and global scales. These data are intended for science researchers, students, policy makers, and the general public. The data can be used with geographic information systems (GIS) software to display geologic and oceanographic information.
Are there legal restrictions on access or use of the data?Access_Constraints: None
Use_Constraints:Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey (USGS) as the source of this information.
Although this data set has been used by the U.S. Geological Survey (USGS), no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and/or related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials. 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: | Text file containing data input to usSEABED. Fields are comma separated values. First record of file contains field names. in format ASCII Size: 6.61 |
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Network links: |
https://pubs.usgs.gov/ds/2006/146/data/gmx_ext.txt https://pubs.usgs.gov/ds/2006/146/htmldocs/data_cata.htm |
Media you can order: | CD-ROM (Density 650 Mbytes) (format ISO and HFS) |
Data format: | The SHP file contains the geospatial data. The SHX file contains the index of the geospatial data. The DBF file contains the attribute data in dBASE format. The PRJ file contains the coordinate system information (optional). The AVL file contains the legend information (optional). The SBN and SBX files contain the spatial index of the geospatial data (optional). The XML file contains the metadata describing the data set <data set name>.shp.xml. An ASCII version of the metadata file. A browse graphic showing the data layer coverage and extent (optional). in format SHP (version 3.3) ESRI point shapefile |
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Network links: |
https://pubs.usgs.gov/ds/2006/146/data/gmx_ext.zip https://pubs.usgs.gov/ds/2006/146/htmldocs/data_cata.htm |
Media you can order: | CD-ROM (Density 650 Mbytes) (format ISO and HFS) |
These data are available in Environmental Systems Research Institute (ESRI) shapefile format. The user must have ArcGIS or ArcView 3.0 or greater software to read and process the data file. In lieu of ArcView or ArcGIS, the user may utilize another GIS application package capable of importing the data. A free data viewer, arcexplorer, capable of displaying the data is available from ESRI at www.esri.com.