Holocene Isopach depth

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: Dave Twichell(comp.)

Publication_Date: 19990602

Title: Holocene Isopach depth

Publication_Information:

Publication_Place: Woods Hole Field Center

Publisher: Coastal and Marine Geology Team

Description:

Abstract:

The U.S. Geological Survey, in cooperation with the University of South Florida and Eckerd College, completed a bathymetric, sidescan sonar, high-resolution seismic-reflection, and surface sediment sampling survey of the inner shelf environment along the western Florida coast. The survey area extends 15km from Sarasota Point to Buttonwood Harbor. This study is part of a larger program initiated by the U.S. Geological Survey to map the geologic framework and monitor the modern processes that affect the western Florida coastal zone. This portion of the project included a reconnaissance high-resolution seismic and side-scan sonar surveys of the entire study area, detailed mapping to identify patterns of hard grounds and sediment cover, and coring of sediments to document historical development of the inner shelf and coastal system.

Purpose:

This GIS overlay is a component of the Sarasota, Florida ArcView GIS database and contains the researcher's interpretation of theHolocene isopach depth thickness for the study area.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 19940502

Ending_Date: 19940508

Currentness_Reference: Ground Condition

Status:

Progress: Complete

Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -82.7194

East_Bounding_Coordinate: -82.5653

North_Bounding_Coordinate: 27.3668

South_Bounding_Coordinate: 27.2155

Keywords:

Theme:

Theme_Keyword_Thesaurus: General

Theme_Keyword: U.S. Geological Survey

Theme_Keyword: Woods Hole Field Center

Theme_Keyword: R/V BELLOWS

Theme_Keyword: BLWS 95-04

Theme_Keyword: May 2-8, 1995

Theme_Keyword: vector

Theme_Keyword: polygon

Theme_Keyword: ArcView

Theme_Keyword: shapefile

Theme_Keyword: sidescan sonar mosaic interpretation

Theme_Keyword: interpretive overlay

Theme_Keyword: coverage

Theme_Keyword: ARC coverage

Theme_Keyword: interpretive coverage

Theme_Keyword: holocene isopach

Theme_Keyword: holocene isopach depth

Theme_Keyword_Thesaurus: PrincipalInvestigators

Theme_Keyword: David C. Twichell

Theme_Keyword: Guy Gelfenbaum

Place:

Place_Keyword_Thesaurus: General

Place_Keyword: Gulf of Mexico

Place_Keyword: Florida

Place_Keyword: West Florida shelf

Place_Keyword: Sarasota

Place_Keyword: Big Sarasota Pass

Place_Keyword: Longboat Key

Place_Keyword: Buttonwood Harbor

Place_Keyword: New Pass

Place_Keyword: Lido Key

Access_Constraints: None

Use_Constraints:

The U.S. Geological Survey must be referenced as the originator of the dataset in any future products or research derived from these data.

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U. S. Geological Survey

Contact_Person: Dave Twichell

Contact_Position: Oceanographer

Contact_Address:

Address_Type: mailing and physical address

Address: 384 Woods Hole Road

City: Woods Hole

State_or_Province: MA

Postal_Code: 02532

Country: USA

Contact_Voice_Telephone: (508) 548-8700 x2266

Contact_Facsimile_Telephone: (508) 457-2310

Contact_Electronic_Mail_Address: dtwichell@usgs.gov

Browse_Graphic:

Browse_Graphic_File_Name: htmldocs/images/covrgs/holocene.gif

Browse_Graphic_File_Description: GIF

Browse_Graphic_File_Type: holocene isopach depth

Native_Data_Set_Environment: ESRI Shapefile format

Data_Quality_Information:

Logical_Consistency_Report: .

Completeness_Report: .

Lineage:

Process_Step:

Process_Description:

The interpretation was drawn over the sidescan sonar mosaic utilizing the PCI remote sensing software Imageworks. The completed mosaic was georeferenced to the UTM zone 17. Using information from the collected seismic data, the interpretation was interactively drawn over the image as a series of vector polygons and saved in the PCI image database file. The saved graphic was exported from PCI as an ArcView shapefile and imported to the Sarasota ArcView GIS database.

Process_Date: 19990614

Source_Produced_Citation_Abbreviation: holocene isopach depth

Process_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Dave Twichell

Contact_Organization: U.S. Geological Survey

Contact_Position: Oceanographer

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 x2266

Contact_Facsimile_Telephone: (508) 457-2310

Contact_Electronic_Mail_Address: dtwichell@usgs.gov

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector

Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains

Point_and_Vector_Object_Count: 26

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geographic:

Latitude_Resolution: .00002

Longitude_Resolution: .00002

Geographic_Coordinate_Units: Decimal degrees

Geodetic_Model:

Horizontal_Datum_Name: North American Datum of 1983

Ellipsoid_Name: WGS84

Semi-major_Axis: 6378137.0

Denominator_of_Flattening_Ratio: 298.257223563

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: holocene.dbf

Entity_Type_Definition: Shapefile Attribute Table

Entity_Type_Definition_Source: None

Attribute:

Attribute_Label: Area

Attribute_Definition:

AREA of polygon. The Area attribute is carried over from the AREA attribute in ARC/INFO. Area is an ARC/INFO internal control parameter and has no relevance to the use of the data.

Attribute_Definition_Source: Software computed

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.00

Range_Domain_Maximum: 0.00425

Attribute:

Attribute_Label: Perimeter

Attribute_Definition:

PERIMTER of polygon. The Perimter attribute is carried over from the PERIMTER attribute in ARC/INFO. Perimeter is an ARC/INFO internal control parameter and has no relevance to the use of the data.

Attribute_Definition_Source: Software computed

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.01022

Range_Domain_Maximum: 1.70448

Attribute:

Attribute_Label: Holocene_

Attribute_Definition:

Holocene_ is carried over from the ARC/INFO attribute HOLOCENE#. HOLOCENE# is an ARC/INFO internal control parameter and has no applicable relevance to the use of the data.

Attribute_Definition_Source: User Defined

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 5

Range_Domain_Maximum: 30

Attribute:

Attribute_Label: Holocene_i

Attribute_Definition:

Holocene_i is carried over from the ARC/INFO attribute HOLOCENE_ID. HOLOCENE_ID is an ARC/INFO internal control parameter and has no applicable relevance to the use of the data.

Attribute_Definition_Source: User Defined

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1

Range_Domain_Maximum: 29

Attribute:

Attribute_Label: Code

Attribute_Definition:

A numeric code assigned to the polygon that may be used for color assignments. The codes relate to the holocene isopach depth assigned to the polygons by the researcher drawing the interpretation. The codes and the description are listed below.

• 1 - 0-1m
• 2 - 1-2m
• 3 - >2m

Attribute_Definition_Source: User Defined

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1

Range_Domain_Maximum: 3

Attribute:

Attribute_Label: Label

Attribute_Definition:

Label is a text field that is assigned as a description of the code assigned to the polygon that may be used as a legend text label. The codes and the description are listed below.

• 1 - 0-1m
• 2 - 1-2m
• 3 - >2m

Attribute_Definition_Source: User Defined

Attribute_Domain_Values:

Unrepresentable_Domain: Character field

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U. S. Geological Survey

Contact_Person: Dave Twichell

Contact_Position: Oceanographer

Contact_Address:

Address_Type: mailing and physical address

Address: 384 Woods Hole Road

City: Woods Hole

State_or_Province: MA

Postal_Code: 02543

Country: USA

Contact_Voice_Telephone: (508) 548-8700 x2266

Contact_Facsimile_Telephone: (508) 457-2310

Contact_Electronic_Mail_Address: dtwichell@usgs.gov

Resource_Description: holocene isopach depth coverage for Sarasota, FL study area

Distribution_Liability:

Although this derived data set has been used by the 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.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: ARCV

File_Decompression_Technique: No compression applied

Transfer_Size: 42Kb

Digital_Transfer_Option:

Offline_Option:

Offline_Media: CD-ROM

Recording_Capacity:

Recording_Density: 650

Recording_Density_Units: Mbytes

Recording_Format: ISO 9600

Compatibility_Information:

The user must have a CD-ROM capable of reading an ISO 9660 standard CD-ROM.

Digital_Form:

Digital_Transfer_Information:

Format_Name: ARCV

Format_Information_Content: All required ArcView shapefiles zipped as one file.

File_Decompression_Technique: zip

Transfer_Size: 24Kb

Digital_Transfer_Option:

Offline_Option:

Offline_Media: CD-ROM

Recording_Capacity:

Recording_Density: 650

Recording_Density_Units: Mbytes

Recording_Format: ISO 9600

Compatibility_Information:

The user must have a CD-ROM capable of reading an ISO 9660 standard CD-ROM.

Fees: None

Technical_Prerequisites:

Holocene Isopach depth for the study area is available in ArcView shapefile format. The user must have ArcView to read and process the data file or another GIS application package capable of importing the data.

Metadata_Reference_Information:

Metadata_Date: 19990615

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U. S. Geological Survey

Contact_Person: Valerie Paskevich

Contact_Position: Computer Specialist

Contact_Address:

Address_Type: mailing and physical address

Address: 384 Woods Hole Rd.

City: Woods Hole

State_or_Province: MA

Postal_Code: 02543

Country: USA

Contact_Voice_Telephone: (508) 548-8700 x2281

Contact_Facsimile_Telephone: (508) 457-2310

Contact_Electronic_Mail_Address: vpaskevich@usgs.gov

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version: CSDGM version 2

Metadata_Time_Convention: Local time

Metadata_Access_Constraints: None

Metadata_Use_Constraints: None