20060323
15461600
FALSE
20060209
14361800
20060209
14361800
{F16C9048-68DF-4569-A4DC-6BDE6FB0AC1F}
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.0.0.535
en
This data layer is a point coverage of known sediment samplings, inspections and probings from the usSEABED data collection and integrated using the software system dbSEABED. This data layer represents the parsed (PRS) output of the dbSEABED mining software. It contains the results of parsing descriptions in the data resources. The PRS data is less precise because it comes from word-based descriptions, but will include information on outsized elements, consolidation that are not usually in EXT data.
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.
U.S. Geological Survey
2006
GMX_PRS: usSEABED PaRSed data for the entire U.S. Gulf of Mexico and Caribbean (Puerto Rico and U.S. Virgin Islands)
gmx_prs
vector digital data
https://pubs.usgs.gov/ds/2006/146/data/gmx_prs.zip
usSEABED: Gulf of Mexico and Caribbean (Puerto Rico and U.S. Virgin Islands) Offshore Surficial Sediment Data Release
B.J. Buczkowski
J.A. Reid
C.J. Jenkins
J.M. Reid
S.J. Williams
J.G. Flocks
2006
Data Series
146
Woods Hole Science Center, Woods Hole, MA
U.S. Geological Survey, Coastal and Marine Geology Program
1.0
https://pubs.usgs.gov/ds/2006/146/
University of Colorado
1.0
https://pubs.usgs.gov/ds/2006/146/htmldocs/data_cata.htm
publication date
2006
As needed
-98.510000
-63.918000
30.643000
17.066670
-98.510000
-63.918000
17.066670
30.643000
General
analyses
Coastal and Marine Geology Program
dbSEABED
descriptions
geology
grain size
Marine Aggregates Resources and Processes
seabed
seafloor
sediment data
texture
U.S. Geological Survey
usSEABED
Woods Hole Science Center
University of Colorado
Institute of Arctic and Alpine Research
Benthic Habitats (Pacific) Project
Pacific Science Center
USGSCMGPWHSCPSCINSTAAR
General
Gulf of Mexico coast
Gulf Coast
United States
Caribbean Sea
oceans and estuaries
location
ISO 19115 Topic Category
geoscientificInformation
None
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.
Shapefile
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.
https://pubs.usgs.gov/ds/2006/146/data/gmx_prs.jpg
Image map showing extent of data layer coverage
JPEG
Brian Buczkowski
U.S. Geological Survey
Core Curator and Data Management Specialist
mailing and physical address
384 Woods Hole Road
Woods Hole
MA
02543-1598
USA
(508) 548-8700 x2361
(508) 457-2310
bbuczkowski@usgs.gov
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.0.0.535
gmx_prs
-98.51
-63.918
30.643
17.06667
1
-98.51
-63.918
30.643
17.06667
1
en
FGDC Content Standards for Digital Geospatial Metadata
FGDC-STD-001-1998
local time
Brian Buczkowski
U.S. Geological Survey
Core Curator and Data Management Specialist
mailing and physical address
384 Woods Hole Rd.
Woods Hole
MA
02543-1598
(508) 548-8700 x2361
(508) 457-2310
bbuczkowski@usgs.gov
20060209
None
None
http://www.esri.com/metadata/esriprof80.htmlESRI Metadata Profile
ISO 19115 Geographic Information - Metadata
DIS_ESRI1.0
dataset
Downloadable Data
13.3 MB
6.467
ASCII
Text file containing data input to usSEABED. Fields are comma separated values. First record of file contains field names.
no compression applied
Downloadable thru the WWW
https://pubs.usgs.gov/ds/2006/146/data/gmx_prs.txt
http://www.usgs.gov/ds/2006/146/htmldocs/data_cata.htm
None
https://pubs.usgs.gov/ds/2006/146/data/gmx_prs.ziphttps://pubs.usgs.gov/ds/2006/146/htmldocs/data_cata.htmDownloadable thru the WWWSHPESRI ShapefileThe 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).winzip
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.
Brian Buczkowski
U.S. Geological Survey
Core Curator and Data Management Specialist
mailing and physical address
384 Woods Hole Rd.
Woods Hole
MA
02543-1598
(508) 548-8700 x2361
(508) 457-2310
bbuczkowski@usgs.gov
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.
002
file://\\BRIBUCDTXP\C$\publications\ds 146\data\gmx_prs.shp
Local Area Network
6.467
Shapefile
Vector
Simple
Point
FALSE
242164
TRUE
FALSE
Entity point
242164
North American Datum of 1983
Decimal degrees
0.000000
0.000000
North American Datum of 1927
Clarke 1866
6378206.400000
294.978698
GCS_Assumed_Geographic_1
242164
gmx_prs
Feature Class
242164
FID
FID
OID
4
0
0
Internal feature number.
ESRI
Sequential unique whole numbers that are automatically generated.
Shape
Shape
Geometry
0
0
0
Feature geometry.
ESRI
Coordinates defining the features.
LATITUDE
LATITUDE
Number
9
5
Latitude coordinate of sample location
decimal degrees
source data
LONGITUDE
LONGITUDE
Number
9
5
Longitude coordinate of sample location
decimal degrees
source data
WATERDEPTH
WATERDEPTH
Number
4
measured water depth for site (usually uncorrected)
source data
meters
SAMPLETOP
SAMPLETOP
Number
5
2
measured subbottom depth information for each point sample
meters
SAMPLEBASE
SAMPLEBASE
Number
5
2
measured subbottom depth information for each point sample
meters
SITENAME
SITENAME
String
44
Survey or laboratory code for site (non-unique)
DATASETKEY
DATASETKEY
Number
3
Unique sequential numeric key to SRC file
dbSEABED processing software
SITEKEY
SITEKEY
Number
6
Unique sequential numeric key to SRC file
dbSEABED processing software
SAMPLEKEY
SAMPLEKEY
Number
6
Unique sequential numeric key to SRC file
dbSEABED processing software
SAMPLER
SAMPLER
String
23
Equipment used to collect samples
Original data source
DATATYPES
DATATYPES
String
13
Type of data that were used to derive values held in characterization
ACU
Acoustic Properties
dbSEABED Data Entry Template
CMP
Sediment Composition
dbSEABED Data Entry Template
COL
Color
dbSEABED Data Entry Template
GTC
Geotechnical Properties
dbSEABED Data Entry Template
GRZ
Grain Size
dbSEABED Data Entry Template
TXR
Texture
dbSEABED Data Entry Template
TXG
Texture (Graphic)
dbSEABED Data Entry Template
LTH
Lithology
dbSEABED Data Entry Template
GRAVEL
GRAVEL
Number
3
Gravel grainsize fraction
0
100
percent
1
Original data source
SAND
SAND
Number
3
Sand grainsize fraction
0
100
percent
1
Original data source
MUD
MUD
Number
3
Mud grainsize fraction
0
100
percent
1
Original data source
CLAY
CLAY
Number
3
Clay grainsize fraction
0
100
percent
1
Original data source
GRAINSIZE
GRAINSIZE
Number
4
1
Phi characteristic grainsize
-7.3
12
phi
0.1
SORTING
SORTING
Number
3
1
Phi grainsize dispersion; standard deviation sorting only
0
6
phi
0.1
LGCRSHST
LGCRSHST
String
16
Log Critical Shear Stress, Log10 of Tau in kPa, being the Shear Stress required to initiate easily observable erosion and transport, whether by traction or suspension
kPa
SEABEDCLS
SEABEDCLS
Number
3
Seabed class; (Facies) with the maximum Fuzzy Membership value > 30%
dbSEABED processing software
CLSMSHP
CLSMSHP
String
33
Class membership; fuzzy membership (%) of above Class (Facies)
dbSEABED processing software
ROCKMSHP
ROCKMSHP
Number
3
Rock membership; fuzzy membership (%) reflecting percent exposure of rock
-99
no data
dbSEABED processing software
WEEDMSHP
WEEDMSHP
Number
3
Weed membership; fuzzy membership (%) reflecting percent abundance of seaweed and seagrass
-99
no data
dbSEABED processing software
CARBONATE
CARBONATE
Number
3
Carbonate, including finest to coarsest sampled fractions
MUNSLCODE
MUNSLCODE
String
9
Munsell color code
GSA Rock-Color Chart, 1991
non-unique code based on HVC (Hue, Value, Chroma)
ORGCARBON
ORGCARBON
Number
3
1
organic carbon in the sample
0
100
percent
LGSHEARSTR
LGSHEARSTR
Number
5
2
Undrained compressive shear strength, Log10 of KiloPascals
-99
no data
dbSEABED software, version MNEt
dbSEABED processing software
POROSITY
POROSITY
Number
3
Void volume
percent
dbSEABED processing software
PWAVEVEL
PWAVEVEL
Number
3
Compressional wave velocity
meters/second
dbSEABED processing software
ROUGHNESS
ROUGHNESS
String
5
A coded output representing the V:H of the roughness element with greatest aspect ratio
values expressed as (rounded) integer log2 of V and H in cm
dbSEABED processing software
SAMPLEPHAS
SAMPLEPHAS
Number
3
Sample Phase; records whether the results are for the whole, bulk sediment or just to some special part
Output as a word-based description that may involve numerics. This field will need to be selected against when GIS mappings of the bulk sedient characters are being mapped. Only blank entries should be included in such a mapping.
dbSEABED processing software
FOLKCODE_FFOLKCODE_FString46
Values of -99 for any field are indications that there was no data available.
20060209
Accuracy of each attribute is dependent on the accuracy of the lineage data.
Data in usSEABED are based on the observations and analyses of others, filtered through a unifying and mining software. Each source report varies in type of information/data recorded and format. Only those observations that are recorded can be filtered and mined; only presence (not absence) or information can be noted.
Additional useable data may exist in this area; the authors appreciate any information and leads.
Locational accuracy is dependent on the accuracy of the navigational technique from the individual data sources and may vary widely (e.g., from 0.005km (differential GPS) in more recent surveys to greater than 2 km based on radar, Loran, or dead reckoning in older surveys.) Users of the data should use their own criteria for assessing the accuracy of the locations.
Locational accuracy is dependent on the accuracy of the navigational technique from the individual data sources. Users of the data should use their own criteria for assessing the accuracy of the locations.
See separate listing within this publication (Larger_Work_Citation) for specific sources and associated metadata.
various hard copy documents and digital files
point locations, descriptions and analytical data on many different types of sediment and rock materials and benthos