Digital Shoreline Analysis System version 4.3 shoreline intersection points used to calculate long-term shoreline change statistics excluding the 1970-1979 and 1994 shorelines within the Cape Cod Bay coastal region from the Cape Cod Canal in Sandwich to Long Point in Provincetown (CapeCodBay_intersects_LTwo.shp)

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 2013
Title:
Digital Shoreline Analysis System version 4.3 shoreline intersection points used to calculate long-term shoreline change statistics excluding the 1970-1979 and 1994 shorelines within the Cape Cod Bay coastal region from the Cape Cod Canal in Sandwich to Long Point in Provincetown (CapeCodBay_intersects_LTwo.shp)
Geospatial_Data_Presentation_Form: vector digital data
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2012-1183
Publication_Information:
Publication_Place: Woods Hole Coastal and Marine Science Center, Woods Hole, MA
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program
Online_Linkage: https://doi.org/10.3133/ofr20121183
Online_Linkage: https://pubs.usgs.gov/of/2012/1183/
Online_Linkage: Larger_Work_Citation:
Citation_Information:
Originator: Theresa L. Smith
Originator: Emily A. Himmelstoss
Originator: E. Robert Thieler
Publication_Date: 2013
Title:
Massachusetts Shoreline Change Project: A GIS Compilation of Vector Shorelines and Associated Shoreline Change Data for the 2013 update
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2012-1183
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.usgs.gov/of/2012/1183/
Description:
Abstract:
Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. In 2001, a 1994 shoreline was added to calculate both long- and short-term shoreline change rates at 40-meter intervals along ocean-facing sections of the Massachusetts coast.
The Coastal and Marine Geology Program of the U.S. Geological Survey (USGS) in cooperation with the Massachusetts Office of Coastal Zone Management, has compiled reliable historical shoreline data along open-facing sections of the Massachusetts coast under the Massachusetts Shoreline Change Mapping and Analysis Project 2013 Update. Two oceanfront shorelines for Massachusetts (approximately 1,800 km in total length) were (1) delineated using 2008/09 color aerial orthoimagery, and (2) extracted from topographic LIDAR datasets (2007) obtained from NOAA's Ocean Service, Coastal Services Center. The new shorelines were integrated with existing Massachusetts Office of Coastal Zone Management and USGS historical shoreline data in order to compute long- and short-term rates using the latest version of the Digital Shoreline Analysis System (DSAS).
Purpose:
This dataset contains the measurement locations used by the Digital Shoreline Analysis System (DSAS) software to compute long-term rate of change statistics for the Cape Cod Bay region of Massachusetts. The points represent the individual shoreline locations along each measurement transect generated by DSAS. The data can be used to identify the number of shorelines used to compute rates at a given location as well as the specific shoreline dates. Long-term linear regression statistics were calculated without shorelines from 1970-1979 and 1994, which contained greater inaccuracies due to uncertain source photography, registration errors, storm events and poor contrast.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2013
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -70.497139
East_Bounding_Coordinate: -69.994399
North_Bounding_Coordinate: 42.066277
South_Bounding_Coordinate: 41.705167
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:b4682fbb-21d4-4b61-a85c-639d7d8c77ba
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Esri point shapefile
Theme_Keyword: Shoreline
Theme_Keyword: Historic Shoreline
Theme_Keyword: long-term
Theme_Keyword: Shoreline Change Rate
Theme_Keyword: Erosion
Theme_Keyword: Accretion
Theme_Keyword: Intersects
Theme_Keyword: Measurement Locations
Theme_Keyword: Baseline
Theme_Keyword: Transect
Theme_Keyword: Digital Shoreline Analysis System
Theme_Keyword: DSAS
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Coastal and Marine Geology Program
Theme_Keyword: CMGP
Theme_Keyword: Woods Hole Coastal and Marine Science Center
Theme_Keyword: WHCMSC
Theme_Keyword: Massachusetts Office of Coastal Zone Management
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: geospatial datasets
Theme_Keyword: coastal processes
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Atlantic Coast
Place_Keyword: United States
Place_Keyword: New England
Place_Keyword: Massachusetts
Place_Keyword: Cape Cod
Place_Keyword: Cape Cod Bay
Place_Keyword: Cape Cod Canal
Place_Keyword: Sandwich
Place_Keyword: Provincetown
Access_Constraints: None
Use_Constraints:
These data were automatically generated using the DSAS version 4.3 software application and should only be used for purposes explicitly stated by the originating organization. Please recognize the U.S. Geological Survey (USGS) and the Massachusetts Office of Coastal Zone Management as the originators of this dataset.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: Theresa Smith
Contact_Position: Contract Geologist
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
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: theresasmith@usgs.gov
Native_Data_Set_Environment:
Microsoft Windows Vista Version 6.1 (Build 7601) Service Pack 1; ESRI ArcCatalog 9.3.1.1850
Cross_Reference:
Citation_Information:
Originator: E.R. Thieler
Originator: T.L. Smith
Originator: Julia Knisel
Originator: D.W. Sampson
Publication_Date: 2013
Title:
Massachusetts Shoreline Change Mapping and Analysis Project, 2013 Update
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2012-1189
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.usgs.gov/of/2012/1189/
Cross_Reference:
Citation_Information:
Originator: E.R. Thieler
Originator: E.A. Himmelstoss
Originator: J.L. Zichichi
Originator: A. Ergul
Publication_Date: 2009
Title:
Digital Shoreline Analysis System (DSAS) version 4.0: an ArcGIS extension for calculating shoreline change
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2008-1278
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Other_Citation_Details: Current version is 4.3
Online_Linkage: https://pubs.er.usgs.gov/publication/ofr20081278
Cross_Reference:
Citation_Information:
Originator: E. Robert Thieler
Originator: James F. O'Connell
Originator: Courtney A. Schupp
Publication_Date: 20010904
Title:
The Massachusetts Shoreline Change Project: 1800s to 1994 Technical Report
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Other_Citation_Details: Administrative Report
Online_Linkage: http://www.mass.gov/czm/hazards/pdf/sc_technical_report.pdf
Online_Linkage:
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
The attributes of this dataset are based on the field requirements of the Digital Shoreline Analysis System and were automatically generated by the software during the calculation of shoreline change rates performed by the software.
Logical_Consistency_Report:
These data were generated using DSAS v.4.3, an automated software program which does not perform checks for fidelity of the input features. The measurement locations are generated during the rate calculation process, after editing of the transects is complete.
Completeness_Report:
This dataset contains the measurement locations automatically established during the generation of transects by the DSAS software application and were used to calculate long-term shoreline change rates for the region. Additional measurement locations would have been generated for the 1970-1979 and 1994 shorelines at each transect, but these shoreline data were excluded from the rate calculations. These data are part of a state-wide assessment of shoreline change that includes over 26,500 individual transect locations that were used to compute both short- and long-term rates of change, based on almost 9200 linear kilometers of historical shoreline position data. It is very likely that some gross errors or blunders were introduced during compilation and analysis of this large amount of information. Such errors have been described in the context of shoreline change mapping as coarse errors (Fenster and others, 2001) and can generally be considered to affect only a very small percentage of the overall dataset.
Fenster, M.S., Dolan, R., and Morton, R.A., 2001, Coastal storms and shoreline change: signal or noise?: Journal of Coastal Research, v. 17, no. 3, p. 714-720.
Lineage:
Process_Step:
Process_Description:
Rate Calculations Performed using DSAS v4.3 for ArcMap 10 (without the 1970s and 1994 shorelines). Parameters Used: shoreline layer=CapeCodBay_shorelines, shoreline date field=Date_, shoreline uncertainty field name=Uncy (additional shoreline data stored in CapeCodBay_shorelines_uncertainty.dbf), the default accuracy=10.8 meters, shoreline intersection parameters=nearest, stats calculations=[Shoreline Change Envelope (SCE), Net Shoreline Movement (NSM), Linear Regression Rate (LRR), shoreline threshold=3, confidence interval=90%, Output rate table name=CapeCodBay_transects_rates_20121011_174145.dbf. Output intersects table name=CapeCodBay_transects_intersect_20121011_174145.dbf.
This process step and all subsequent process steps were performed by Theresa Smith.
Process_Date: 20121011
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Theresa Smith
Contact_Organization: U.S. Geological Survey
Contact_Position: Contract Geologist
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
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: theresasmith@usgs.gov
Process_Step:
Process_Description:
The shoreline intersects output table contains X- and Y-coordinate information for each shoreline measurement on DSAS transects. This table (CapeCodBay_transects_intersect_20121011_174145.dbf) was used to create a temporary event theme to preview the transect/shoreline measurement locations in ArcMap. The intersects file was right-clicked in the ArcMap (v.10) table of contents. "Display XY data..." was chosen from the pop-up menu. A new Display XY Data window opens and the following parameters were entered: X Field: IntersectX; Y Field; Intersect Y; Z Field: <None>; Coordinate System of Input Coordinates: NAD_1983_Massachusetts_Mainland_FIPS_2001.
Process_Date: 20121011
Process_Step:
Process_Description:
The temporary event theme is saved to a shapefile by right-clicking the CapeCodBay_transects_intersect_20121011_174145 Events layer in the table of contents (ArcMap 10) and choosing Data > Export Data from the pop-up menu. This opens an Export Data window where the following parameters were entered: Export: All features; Select "Use the same coordinate system as this layer's source data"; Output feature class: CapeCodBay_intersects_LTwo.shp.
Process_Date: 20121011
Process_Step:
Process_Description:
The exported transect shapefile was projected in Esri's ArcToolbox (v.10) > Data Management Tools > Projections and Transformations > Feature > Project. Parameters: input projection - NAD_1983_StatePlane_Massachusetts_Mainland_FIPS_2001; output projection - geographic coordinates (NAD83); transformation - none.
Process_Date: 20121116
Process_Step:
Process_Description:
Edits to the metadata were made to fix any errors that MP v 2.9.36 flagged. This is necessary to enable the metadata to be successfully harvested for various data catalogs. In some cases, this meant adding text "Information unavailable" or "Information unavailable from original metadata" for those required fields that were left blank. Other minor edits were probably performed (title, publisher, publication place, etc.). Attempted to modify http to https where appropriate. Added a landing page link as the first link in the identification section. Fixed online link to DSAS cross-reference. The distribution format name was modified in an attempt to be more consistent with other metadata files of the same data format. The metadata date (but not the metadata creator) was edited to reflect the date of these changes. The metadata available from a harvester may supersede metadata bundled within a download file. Compare the metadata dates to determine which metadata file is most recent.
Process_Date: 20171010
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
Process_Step:
Process_Description: USGS Thesaurus keywords added to the keyword section.
Process_Date: 20180720
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
Process_Step:
Process_Description: Crossref DOI link was added as the first link in the metadata.
Process_Date: 20191118
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
Process_Step:
Process_Description:
Added keywords section with USGS persistent identifier as theme keyword.
Process_Date: 20200908
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: Entity point
Point_and_Vector_Object_Count: 8571
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: State Plane Coordinate System 1983
State_Plane_Coordinate_System:
SPCS_Zone_Identifier: 2001
Lambert_Conformal_Conic:
Standard_Parallel: 41.716667
Standard_Parallel: 42.683333
Longitude_of_Central_Meridian: -71.500000
Latitude_of_Projection_Origin: 41.000000
False_Easting: 200000.000000
False_Northing: 750000.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.000001
Ordinate_Resolution: 0.000001
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: CapeCodBay_intersects_LTwo
Entity_Type_Definition:
Measurement points used to calculate long-term shoreline change statistics
Entity_Type_Definition_Source: U.S. Geological Survey
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: OBJECTID
Attribute_Definition: Internal feature number used within geodatabase.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: TransectId
Attribute_Definition:
Used as a permanent and unique identification number (same as ObjectID field in Transect attribute table) for each transect calculated by DSAS. This attribute was used as the common field when joining the intersects table (.dbf) to the transect feature class in a geodatabase.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: Positive real numbers that are automatically generated.
Attribute:
Attribute_Label: BaselineId
Attribute_Definition:
Unique identification number of the baseline segment. If BaselineID=0 no transects were generated. Used by DSAS to determine transect ordering alongshore if multiple baseline segments exist.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0
Range_Domain_Maximum: unlimited
Attribute:
Attribute_Label: ShorelineI
Attribute_Definition:
Date of shoreline position; date of survey as indicated on source material in the format of mm/dd/yyyy. A default date of 07/01 was assigned to shorelines where only the year was known (month and day unknown). Using July, the mid-point month of the calendar year, minimizes the potential offset to the actual shoreline date by a maximum of six months.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 07/01/1848
Range_Domain_Maximum: 03/17/2009
Attribute:
Attribute_Label: Distance
Attribute_Definition:
The along-transect distance from the baseline to the shoreline point measured in meters (State Plane Masachusetts Mainland FIPS 2001, NAD 83). Positive values are used when the reference baseline is landward (onshore) of the shorelines. Negative values are used when the reference baseline is seaward (offshore) of the shorelines. The positive/negative values provide appropriate directionality for erosional (negative) or accretional (positive) trends in shoreline movement.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -660.47525
Range_Domain_Maximum: 347.451989
Attribute:
Attribute_Label: IntersectX
Attribute_Definition:
Assigned by DSAS automatically to record the X coordinate of the shoreline measurement point at each transect in meter units (State Plane Masachusetts Mainland FIPS 2001, NAD 83).
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: Values based on data set extent.
Attribute:
Attribute_Label: IntersectY
Attribute_Definition:
Assigned by DSAS automatically to record the Y coordinate of the shoreline measurement point at each transect in meter units (State Plane Masachusetts Mainland FIPS 2001, NAD 83).
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: Values based on data set extent.
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
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
Contact_Facsimile_Telephone: 508-457-2310
Resource_Description: Downloadable data.
Distribution_Liability:
Neither the U.S. Government, the Department of the Interior, nor the USGS, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. 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.
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: Shapefile
Format_Version_Number: ArcGIS 10
Format_Specification: Esri point shapefile
Format_Information_Content:
This WinZip (version 16.5) file contains a shapefile of measurement locations (intersects) generated by the Digital Shoreline Analysis System used to calculate long-term rates for the Cape Cod Bay region of Massachusetts. Metadata is also included.
File_Decompression_Technique: Use WinZip or pkUnzip
Transfer_Size: 1
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information: Access_Instructions: Data may be downloaded via the World Wide Web (WWW).
Fees: None
Technical_Prerequisites:
This zip file contains data available in Environmental Systems Research Institute (Esri) polyline 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: 20211116
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Theresa Smith
Contact_Organization: U.S. Geological Survey
Contact_Position: Contract Geologist
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
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: whsc_data_contact@usgs.gov
Contact_Instructions:
The metadata contact email address is a generic address in the event the metadata contact is no longer with the USGS or the email is otherwise invalid.
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time

This page is <https://cmgds.marine.usgs.gov/catalog/whcmsc/open_file_report/ofr2012-1183/CapeCodBay_intersects_LTwo.shp.xml.html>
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