Breton Island, Louisiana Transects with Shoreline Change Rates (1869 - 2014) (Geographic, NAD83)

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Joseph F. Terrano
Originator: Kathryn E. Smith
Originator: James G. Flocks
Publication_Date: 20160125
Title:
Breton Island, Louisiana Transects with Shoreline Change Rates (1869 - 2014) (Geographic, NAD83)
Geospatial_Data_Presentation_Form: vector digital data (Polyline)
Series_Information:
Series_Name: U.S. Geological Survey Data Release
Issue_Identification: doi:10.5066/F7XS5SGM
Publication_Information:
Publication_Place: St. Petersburg, FL
Publisher: U.S. Geological Survey
Online_Linkage: http://coastal.er.usgs.gov/data-release/doi-F7XS5SGM/
Description:
Abstract:
Breton Island, Louisiana Transects with Shoreline Change Rates (1869 - 2014) (Geographic, NAD83) consists of vector transect data that were derived from the Digital Shoreline Analysis System (DSAS) version 4.0. Rates from the DSAS statistical output table were joined to the transects to provide a visual representation of the shoreline change rates on a transect-by-transect basis.
Purpose:
Transect data are considered a crucial element in performing change analysis for erosion and accretion studies and for tracking shoreline movement over time. DSAS uses transects as a method to extract shoreline change rates from shorelines at a given interval across a baseline. For this long term analysis, transects were spaced out at a 50-m interval across the baseline and shoreline change rates were calculated for the long-term (1869-2014). Transect and rate attribute tables were joined to allow the rate values to be visualized on a map.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 18690101
Ending_Date: 20140116
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -89.229979
East_Bounding_Coordinate: -89.145810
North_Bounding_Coordinate: 29.508040
South_Bounding_Coordinate: 29.452066
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:733575f5-0a1c-46bb-b884-01399d0b31ec
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Coastal
Theme_Keyword: Transect data
Theme_Keyword: transect
Theme_Keyword: transect map
Theme_Keyword: Linear Regression
Theme_Keyword: End Point Rate
Theme_Keyword: Shoreline Change Extent
Theme_Keyword: Rate of change
Theme_Keyword: Net Shoreline Movement
Theme_Keyword: Weighted Linear Regression
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: Oceans
Theme_Keyword: Environment
Theme_Keyword: GeoscientificInformation
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: LA
Place_Keyword: Breton Island
Place_Keyword: Gulf of Mexico
Place_Keyword: Louisiana
Place_Keyword: USA
Temporal:
Temporal_Keyword_Thesaurus: None
Temporal_Keyword: 1869 to 2014
Access_Constraints: None
Use_Constraints:
The U.S. Geological Survey requests to be acknowledged as originator of the data in future products or derivative research.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey Coastal and Marine Science Center
Contact_Person: Joseph F. Terrano
Contact_Position: Researcher 1
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: Florida
Postal_Code: 33701
Country: US
Contact_Voice_Telephone: (727) 502-8047
Contact_Facsimile_Telephone: (727) 502-8001
Contact_Electronic_Mail_Address: jterrano@usgs.gov
Hours_of_Service:
Monday through Friday, 9:00 a.m. to 5:00 p.m., Eastern Standard Time
Data_Set_Credit:
Funds for this report are part of project funds for the Louisiana Outer Coast Early Restoration Project, obtained by the natural resource trustees for the Deepwater Horizon Oil Spill, pursuant to the Framework for Early Restoration Addressing Injuries Resulting from the Deepwater Horizon Oil Spill executed April 20, 2011. USFWS is the project lead for the North Breton Island Barrier Island Restoration project. Acknowledgment of the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center, as a data source would be appreciated in products developed from these data, and such acknowledgment as is standard for citation and legal practices. Sharing of new data layers developed directly from these data would also be appreciated by the U.S. Geological Survey staff. Users should be aware that comparisons with other datasets for the same area from other time periods may be inaccurate due to inconsistencies resulting from changes in photointerpretation, mapping conventions, and digital processes over time. These data are not legal documents and are not to be used as such.
Native_Data_Set_Environment:
Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.2.2.3552
Cross_Reference:
Citation_Information:
Originator:
Thieler, E.R., Himmelstoss, E.A., Zichichi, J.L., and Ergul, Ayhan
Publication_Date: 2009
Title:
The Digital Shoreline Analysis System (DSAS) version 4.0 — an ArcGIS Extension for Calculating Shoreline Change
Online_Linkage: http://woodshole.er.usgs.gov/project-pages/DSAS/version4/
Data_Quality_Information:
Logical_Consistency_Report:
Transects were generated as a product of the DSAS program at a 50-m interval. These transects were checked to ensure an even distribution and coverage of the shoreline datasets.
Completeness_Report:
Transects with errors or no rate values for all statistic fields were removed to ensure that only valid rates of change were used in the analysis. Errors included "null" and "0" values, which represent a transect that crossed only 0 or 1 shoreline and skewed the results. When joining the rates to the transect attribute table, the WLR and LRR fields could not contain a "null" value so null values are represented as "-99999". These values should be checked and removed if using in any further analysis. The remaining transects with rates were used to aid in the final shoreline change results.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator:
Thieler, E.R., Himmelstoss, E.A., Zichichi, J.L., and Ergul, Ayhan
Publication_Date: 2009
Title:
The Digital Shoreline Analysis System (DSAS) version 4.0 - ArcGIS Extension for Calculating Shoreline Change
Geospatial_Data_Presentation_Form: vector digital data
Online_Linkage: http://woodshole.er.usgs.gov/project-pages/DSAS/version4/
Source_Scale_Denominator: 1500
Type_of_Source_Media: Online
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 18690101
Ending_Date: 20140116
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: Breton_DSAS_Transects_1869-2014
Source_Contribution: DSAS was used to generate transects at a 50-m interval.
Process_Step:
Process_Description:
A single transect file was created and five copies were subsequently produced, one for each of the analysis time periods of: (1) 1869-2014 (long-term), (2) pre-1950s (before excavation of the MRGO), (3) post-1950s (post MRGO), (4) post-Hurricane Katrina (2005-2014) (short-term), and (5) pre/post Hurricane Katrina (2004-2005)(acute weather event). Transects were generated at a 50-meter interval perpendicular to the baseline and consisted of 211 transects. Transects were removed in areas where less than two shorelines were present. Rates of change were calculated for: (1) net shoreline movement (NSM); (2) shoreline change envelope (SCE); (3) end point rate (EPR); (4) linear regression rate (LRR), and (5) weighted linear regression rate (WLR) and saved to a table, in the ArcGIS personal geodatabase format. The rate table generated by DSAS was then joined to the respective transect file so the rate values could be displayed on a map. In joining the rates to the transect table, the WLR and LRR fields were not able to use a "null" value so null values are represented as a ""-99999". These values should be checked and removed if using in any further analysis.
Process_Date: 20150601
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: Joseph Terrano
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: Florida
Postal_Code: 33701
Country: US
Contact_Voice_Telephone: (727) 502-8047
Contact_Facsimile_Telephone: (727) 502-8001
Contact_Electronic_Mail_Address: jterrano@usgs.gov
Hours_of_Service:
Monday through Friday, 9:00 a.m. to 5:00 p.m., Eastern Standard Time
Process_Step:
Process_Description:
Added keywords section with USGS persistent identifier as theme keyword.
Process_Date: 20201013
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: VeeAnn A. Cross
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: Mailing and Physical
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: 508-548-8700 x2251
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: vatnipp@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: String
Point_and_Vector_Object_Count: 192
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 16
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -87.0
Latitude_of_Projection_Origin: 0.0
False_Easting: 500000.0
False_Northing: 0.0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.6096
Ordinate_Resolution: 0.6096
Planar_Distance_Units: meter
Geodetic_Model:
Horizontal_Datum_Name: D North American 1983
Ellipsoid_Name: GRS 1980
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257222101
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: Breton_Transects_with_Rates_1869_2014
Entity_Type_Definition:
Transect shapefile and attribute table, which includes rate of change statistics for Breton Island, Louisiana, from the 1869 to 2014 shoreline analysis.
Entity_Type_Definition_Source: USGS
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: TransOrder
Attribute_Definition:
Value automatically assigned, by DSAS, to each transect in a sequential order and used for identification purposes. Values are missing if the line was removed, due to errors in earlier processing.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 6
Range_Domain_Maximum: 197
Attribute:
Attribute_Label: StartX
Attribute_Definition: Starting longitude of each transect, in meters.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 284366.98
Range_Domain_Maximum: 291891.61
Attribute:
Attribute_Label: StartY
Attribute_Definition: Starting latitude of each transect, in meters.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 3260140.25
Range_Domain_Maximum: 3264899.01
Attribute:
Attribute_Label: EndX
Attribute_Definition: End longitude of each transect, in meters.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 283839.61
Range_Domain_Maximum: 287096.28
Attribute:
Attribute_Label: EndY
Attribute_Definition: End latitude of each transect, in meters.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 3265112.36
Range_Domain_Maximum: 3266195.26
Attribute:
Attribute_Label: Azimuth
Attribute_Definition: Azimuth of the transect measured in degrees clockwise of north.
Attribute_Definition_Source: DSAS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 283.94
Range_Domain_Maximum: 354.52
Attribute:
Attribute_Label: EPR
Attribute_Definition: End Point Rate
Attribute_Definition_Source: DSAS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -13.91
Range_Domain_Maximum: 5.67
Attribute:
Attribute_Label: SCE
Attribute_Definition: Shoreline Change Envelope
Attribute_Definition_Source: DSAS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 20.53
Range_Domain_Maximum: 1734.34
Attribute:
Attribute_Label: NSM
Attribute_Definition: Net Shoreline Movement
Attribute_Definition_Source: DSAS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -1711.23
Range_Domain_Maximum: 644.74
Attribute:
Attribute_Label: WLR
Attribute_Definition:
Weighted Linear Regression. Attributes with a "-99999" value represent a null value.
Attribute_Definition_Source: DSAS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -99999
Range_Domain_Maximum: 7.5
Attribute:
Attribute_Label: LRR
Attribute_Definition:
Linear Regression Rate. Attributes with a "-99999" value represent a null value.
Attribute_Definition_Source: DSAS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -99999
Range_Domain_Maximum: 6.08
Attribute:
Attribute_Label: SHAPE_Leng
Attribute_Definition: Length of feature in internal units.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 4999.999967
Range_Domain_Maximum: 5000.000003
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: James Flocks
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: Florida
Postal_Code: 33701
Country: US
Contact_Voice_Telephone: (727) 502-8012
Contact_Facsimile_Telephone: (727) 502-8001
Hours_of_Service:
Monday through Friday, 9:00 a.m. to 5:00 p.m., Eastern Standard Time
Contact_Instructions: All of this report is available online.
Resource_Description: Breton_Transects_with_Rates_1869_2014.shp
Distribution_Liability:
This digital publication was prepared by an agency of the United States Government. Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty expressed or implied is made regarding the display or utility of the data on any other system, nor shall the act of distribution imply any such warranty. The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and (or) contained herein. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ArcGIS shapefile
Format_Information_Content:
Shapefile containing transects with 1869-2014 shoreline change statistics for Breton Island, LA.
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Fees: None
Metadata_Reference_Information:
Metadata_Date: 20201013
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: Joseph Terrano
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: Florida
Postal_Code: 33701
Country: US
Contact_Voice_Telephone: (727) 502-8047
Contact_Facsimile_Telephone: (727) 502-8001
Contact_Electronic_Mail_Address: jterrano@usgs.gov
Hours_of_Service:
Monday through Friday, 9:00 a.m. to 5:00 p.m., Eastern Standard Time
Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Access_Constraints:
Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. The U.S. Geological Survey requests to be acknowledged as originator of the data in future products or derivative research.

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