GMX_EXT: usSEABED EXTracted data for the entire U.S. Gulf of Mexico and Caribbean (Puerto Rico and U.S. Virgin Islands)

Metadata:

• Identification_Information
• Data_Quality_Information
• Spatial_Data_Organization_Information
• Spatial_Reference_Information
• Entity_and_Attribute_Information
• Distribution_Information
• Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: U.S. Geological Survey

Originator: University of Colorado

Publication_Date: 2006

Title:

GMX_EXT: usSEABED EXTracted data for the entire U.S. Gulf of Mexico and Caribbean (Puerto Rico and U.S. Virgin Islands)

Edition: 1.0

Geospatial_Data_Presentation_Form: vector digital data

Online_Linkage: <https://pubs.usgs.gov/ds/2006/146/data/gmx_ext.zip>

Online_Linkage: <https://pubs.usgs.gov/ds/2006/146/htmldocs/data_cata.htm>

Larger_Work_Citation:

Citation_Information:

Originator: B.J. Buczkowski

Originator: J.A. Reid

Originator: C.J. Jenkins

Originator: J.M. Reid

Originator: S.J. Williams

Originator: J.G. Flocks

Publication_Date: 2006

Title:

usSEABED: Gulf of Mexico and Caribbean (Puerto Rico and U.S. Virgin Islands) Offshore Surficial Sediment Data Release

Series_Information:

Series_Name: Data Series

Issue_Identification: 146

Publication_Information:

Publication_Place: Woods Hole Science Center, Woods Hole, MA

Publisher: U.S. Geological Survey, Coastal and Marine Geology Program

Online_Linkage: <https://pubs.usgs.gov/ds/2006/146/>

Description:

Abstract:

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 extracted (EXT) output of the dbSEABED mining software. It contains data items which were simply extracted from the data resources through data mining. The EXT data is usually based on instrumental analyses (probe or laboratory) but may apply to just a subsample of the sediment (eg. no large shells).

Purpose:

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.

Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 2006

Currentness_Reference: publication date

Status:

Progress: In work

Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -97.731850

East_Bounding_Coordinate: -63.800000

North_Bounding_Coordinate: 30.808300

South_Bounding_Coordinate: 16.666670

Keywords:

Theme:

Theme_Keyword_Thesaurus: General

Theme_Keyword: analyses

Theme_Keyword: Coastal and Marine Geology Program

Theme_Keyword: dbSEABED

Theme_Keyword: descriptions

Theme_Keyword: geology

Theme_Keyword: grain size

Theme_Keyword: Marine Aggregates Resources and Processes

Theme_Keyword: seabed

Theme_Keyword: seafloor

Theme_Keyword: sediment data

Theme_Keyword: texture

Theme_Keyword: U.S. Geological Survey

Theme_Keyword: usSEABED

Theme_Keyword: Woods Hole Science Center

Theme_Keyword: University of Colorado

Theme_Keyword: Institute of Arctic and Alpine Research

Theme_Keyword: Benthic Habitats (Pacific) Project

Theme_Keyword: Pacific Science Center

Theme_Keyword: USGS

Theme_Keyword: CMGP

Theme_Keyword: WHSC

Theme_Keyword: PSC

Theme_Keyword: INSTAAR

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Category

Theme_Keyword: oceans and estuaries

Theme_Keyword: location

Theme_Keyword: geoscientificInformation

Place:

Place_Keyword_Thesaurus: General

Place_Keyword: Gulf of Mexico coast

Place_Keyword: Gulf Coast

Place_Keyword: United States

Place_Keyword: Caribbean Sea

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.

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Brian Buczkowski

Contact_Organization: U.S. Geological Survey

Contact_Position: Core Curator and Data Management Specialist

Contact_Address:

Address_Type: mailing and physical address

Address: 384 Woods Hole Road

City: Woods Hole

State_or_Province: MA

Postal_Code: 02543-1598

Country: USA

Contact_Voice_Telephone: (508) 548-8700 x2361

Contact_Facsimile_Telephone: (508) 457-2310

Contact_Electronic_Mail_Address: bbuczkowski@usgs.gov

Browse_Graphic:

Browse_Graphic_File_Name: <https://pubs.usgs.gov/ds/2006/146/data/gmx_ext.jpg>

Browse_Graphic_File_Description: Image map showing extent of data layer coverage

Browse_Graphic_File_Type: JPEG

Data_Set_Credit:

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.

Native_Data_Set_Environment:

Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.0.0.535

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:

Accuracy of each attribute is dependent on the accuracy of the lineage data.

Logical_Consistency_Report:

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.

Completeness_Report:

Additional useable data may exist in this area; the authors appreciate any information and leads.

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

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.

Vertical_Positional_Accuracy:

Vertical_Positional_Accuracy_Report:

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.

Lineage:

Source_Information:

Source_Scale_Denominator:

See separate listing within this publication for specific sources and associated metadata

Type_of_Source_Media: various hard copy documents and digital files

Source_Contribution:

point locations, descriptions and analytical data on many different types of sediment and rock materials and benthos

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector

Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Entity point

Point_and_Vector_Object_Count: 51290

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geographic:

Latitude_Resolution: 0.000000

Longitude_Resolution: 0.000000

Geographic_Coordinate_Units: Decimal degrees

Geodetic_Model:

Horizontal_Datum_Name: North American Datum of 1927

Ellipsoid_Name: Clarke 1866

Semi-major_Axis: 6378206.400000

Denominator_of_Flattening_Ratio: 294.978698

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: gmx_ext

Attribute:

Attribute_Label: FID

Attribute_Definition: Internal feature number.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain:

Sequential unique whole numbers that are automatically generated.

Attribute:

Attribute_Label: Shape

Attribute_Definition: Feature geometry.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Coordinates defining the features.

Attribute:

Attribute_Label: LATITUDE

Attribute_Definition: Latitude coordinate of sample location

Attribute_Definition_Source: source data

Attribute_Domain_Values:

Range_Domain:

Attribute_Units_of_Measure: decimal degrees

Attribute:

Attribute_Label: LONGITUDE

Attribute_Definition: Longitude coordinate of sample location

Attribute_Definition_Source: source data

Attribute_Domain_Values:

Range_Domain:

Attribute_Units_of_Measure: decimal degrees

Attribute:

Attribute_Label: WATERDEPTH

Attribute_Definition: measured water depth for site (usually uncorrected)

Attribute_Definition_Source: source data

Attribute_Domain_Values:

Range_Domain:

Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: SAMPLETOP

Attribute_Definition: measured subbottom depth information for each point sample

Attribute_Domain_Values:

Range_Domain:

Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: SAMPLEBASE

Attribute_Definition: measured subbottom depth information for each point sample

Attribute_Domain_Values:

Range_Domain:

Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: SITENAME

Attribute_Definition: Survey or laboratory code for site (non-unique)

Attribute:

Attribute_Label: DATASETKEY

Attribute_Definition: Unique sequential numeric key to SRC file

Attribute_Definition_Source: dbSEABED processing software

Attribute:

Attribute_Label: SITEKEY

Attribute_Definition: Unique sequential numeric key to SRC file

Attribute_Definition_Source: dbSEABED processing software

Attribute:

Attribute_Label: SAMPLEKEY

Attribute_Definition: Unique sequential numeric key to SRC file

Attribute_Definition_Source: dbSEABED processing software

Attribute:

Attribute_Label: SAMPLER

Attribute_Definition: Equipment used to collect samples

Attribute_Definition_Source: Original data source

Attribute:

Attribute_Label: DATATYPES

Attribute_Definition:

Type of data that were used to derive values held in characterization

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: ACU

Enumerated_Domain_Value_Definition: Acoustic Properties

Enumerated_Domain_Value_Definition_Source: dbSEABED Data Entry Template

Enumerated_Domain:

Enumerated_Domain_Value: CMP

Enumerated_Domain_Value_Definition: Sediment Composition

Enumerated_Domain_Value_Definition_Source: dbSEABED Data Entry Template

Enumerated_Domain:

Enumerated_Domain_Value: COL

Enumerated_Domain_Value_Definition: Color

Enumerated_Domain_Value_Definition_Source: dbSEABED Data Entry Template

Enumerated_Domain:

Enumerated_Domain_Value: GTC

Enumerated_Domain_Value_Definition: Geotechnical Properties

Enumerated_Domain_Value_Definition_Source: dbSEABED Data Entry Template

Enumerated_Domain:

Enumerated_Domain_Value: GRZ

Enumerated_Domain_Value_Definition: Grain Size

Enumerated_Domain_Value_Definition_Source: dbSEABED Data Entry Template

Enumerated_Domain:

Enumerated_Domain_Value: TXR

Enumerated_Domain_Value_Definition: Texture

Enumerated_Domain_Value_Definition_Source: dbSEABED Data Entry Template

Enumerated_Domain:

Enumerated_Domain_Value: TXG

Enumerated_Domain_Value_Definition: Texture (Graphic)

Enumerated_Domain_Value_Definition_Source: dbSEABED Data Entry Template

Enumerated_Domain:

Enumerated_Domain_Value: LTH

Enumerated_Domain_Value_Definition: Lithology

Enumerated_Domain_Value_Definition_Source: dbSEABED Data Entry Template

Attribute:

Attribute_Label: GRAVEL

Attribute_Definition: Gravel grainsize fraction

Attribute_Definition_Source: Original data source

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0

Range_Domain_Maximum: 100

Attribute_Units_of_Measure: percent

Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: SAND

Attribute_Definition: Sand grainsize fraction

Attribute_Definition_Source: Original data source

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0

Range_Domain_Maximum: 100

Attribute_Units_of_Measure: percent

Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: MUD

Attribute_Definition: Mud grainsize fraction

Attribute_Definition_Source: Original data source

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0

Range_Domain_Maximum: 100

Attribute_Units_of_Measure: percent

Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: CLAY

Attribute_Definition: Clay grainsize fraction

Attribute_Definition_Source: Original data source

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0

Range_Domain_Maximum: 100

Attribute_Units_of_Measure: percent

Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: GRAINSIZE

Attribute_Definition: Phi characteristic grainsize

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -7.3

Range_Domain_Maximum: 12

Attribute_Units_of_Measure: phi

Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: SORTING

Attribute_Definition: Phi grainsize dispersion; standard deviation sorting only

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0

Range_Domain_Maximum: 6

Attribute_Units_of_Measure: phi

Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: LGCRSHST

Attribute_Definition:

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

Attribute_Domain_Values:

Range_Domain:

Attribute_Units_of_Measure: kPa

Attribute:

Attribute_Label: SEABEDCLS

Attribute_Definition:

Seabed class; (Facies) with the maximum Fuzzy Membership value > 30%

Attribute_Definition_Source: dbSEABED processing software

Attribute:

Attribute_Label: CLSMSHP

Attribute_Definition: Class membership; fuzzy membership (%) of above Class (Facies)

Attribute_Definition_Source: dbSEABED processing software

Attribute:

Attribute_Label: ROCKMSHP

Attribute_Definition:

Rock membership; fuzzy membership (%) reflecting percent exposure of rock

Attribute_Definition_Source: dbSEABED processing software

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: -99

Enumerated_Domain_Value_Definition: no data

Attribute:

Attribute_Label: WEEDMSHP

Attribute_Definition:

Weed membership; fuzzy membership (%) reflecting percent abundance of seaweed and seagrass

Attribute_Definition_Source: dbSEABED processing software

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: -99

Enumerated_Domain_Value_Definition: no data

Attribute:

Attribute_Label: CARBONATE

Attribute_Definition: Carbonate, including finest to coarsest sampled fractions

Attribute:

Attribute_Label: MUNSLCODE

Attribute_Definition: Munsell color code

Attribute_Definition_Source: GSA Rock-Color Chart, 1991

Attribute_Domain_Values:

Unrepresentable_Domain: non-unique code based on HVC (Hue, Value, Chroma)

Attribute:

Attribute_Label: ORGCARBON

Attribute_Definition: organic carbon in the sample

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0

Range_Domain_Maximum: 100

Attribute_Units_of_Measure: percent

Attribute:

Attribute_Label: LGSHEARSTR

Attribute_Definition: Undrained compressive shear strength, Log10 of KiloPascals

Attribute_Definition_Source: dbSEABED processing software

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: -99

Enumerated_Domain_Value_Definition: no data

Enumerated_Domain_Value_Definition_Source: dbSEABED software, version MNEt

Attribute:

Attribute_Label: POROSITY

Attribute_Definition: Void volume

Attribute_Definition_Source: dbSEABED processing software

Attribute_Domain_Values:

Range_Domain:

Attribute_Units_of_Measure: percent

Attribute:

Attribute_Label: PWAVEVEL

Attribute_Definition: Compressional wave velocity

Attribute_Definition_Source: dbSEABED processing software

Attribute_Domain_Values:

Range_Domain:

Attribute_Units_of_Measure: meters/second

Attribute:

Attribute_Label: ROUGHNESS

Attribute_Definition:

A coded output representing the V:H of the roughness element with greatest aspect ratio

Attribute_Definition_Source: dbSEABED processing software

Attribute_Domain_Values:

Range_Domain:

Attribute_Units_of_Measure: values expressed as (rounded) integer log2 of V and H in cm

Attribute:

Attribute_Label: SAMPLEPHAS

Attribute_Definition:

Sample Phase; records whether the results are for the whole, bulk sediment or just to some special part

Attribute_Definition_Source: dbSEABED processing software

Attribute_Domain_Values:

Range_Domain:

Attribute_Units_of_Measure:

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.

Attribute:

Attribute_Label: FOLKCODE_F

Overview_Description:

Entity_and_Attribute_Overview:

Values of -99 for any field are indications that there was no data available.

Distribution_Information:

Distributor:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Brian Buczkowski

Contact_Organization: U.S. Geological Survey

Contact_Position: Core Curator and Data Management Specialist

Contact_Address:

Address_Type: mailing and physical address

Address: 384 Woods Hole Rd.

City: Woods Hole

State_or_Province: MA

Postal_Code: 02543-1598

Contact_Voice_Telephone: (508) 548-8700x2361

Contact_Facsimile_Telephone: (508) 457-2310

Contact_Electronic_Mail_Address: bbuczkowski@usgs.gov

Resource_Description: Downloadable Data

Distribution_Liability:

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.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: ASCII

Format_Information_Content:

Text file containing data input to usSEABED. Fields are comma separated values. First record of file contains field names.

File_Decompression_Technique: no compression applied

Transfer_Size: 6.61 MB

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: <https://pubs.usgs.gov/ds/2006/146/data/gmx_ext.txt>

Network_Resource_Name: <https://pubs.usgs.gov/ds/2006/146/htmldocs/data_cata.htm>

Access_Instructions: Downloadable thru the WWW

Digital_Form:

Digital_Transfer_Information:

Format_Name: SHP

Format_Specification: ESRI Shapefile

Format_Information_Content:

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).

File_Decompression_Technique: winzip

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: <https://pubs.usgs.gov/ds/2006/146/data/gmx_ext.zip>

Network_Resource_Name: <https://pubs.usgs.gov/ds/2006/146/htmldocs/data_cata.htm>

Access_Instructions: Downloadable thru the WWW

Fees: None

Technical_Prerequisites:

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.

Metadata_Reference_Information:

Metadata_Date: 20060209

Metadata_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Brian Buczkowski

Contact_Organization: U.S. Geological Survey

Contact_Position: Core Curator and Data Management Specialist

Contact_Address:

Address_Type: mailing and physical address

Address: 384 Woods Hole Rd.

City: Woods Hole

State_or_Province: MA

Postal_Code: 02543-1598

Contact_Voice_Telephone: (508) 548-8700x2361

Contact_Facsimile_Telephone: (508) 457-2310

Contact_Electronic_Mail_Address: bbuczkowski@usgs.gov

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time

Metadata_Access_Constraints: None

Metadata_Use_Constraints: None

Metadata_Extensions:

Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>

Profile_Name: ESRI Metadata Profile