Long and short-term shoreline intersect points for the southern coast of North Carolina (NCsouth), calculated using the Digital Shoreline Analysis System version 5.1

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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: Marie K. Bartlett
Publication_Date: 20231023
Title:

Long and short-term shoreline intersect points for the southern coast of North Carolina (NCsouth), calculated using the Digital Shoreline Analysis System version 5.1

Edition: 1.0
Geospatial_Data_Presentation_Form: vector digital data
Series_Information:

Series_Name: data release
Issue_Identification: doi:10.5066/P9HYNUNV

Publication_Information:

Publication_Place: Woods Hole Coastal and Marine Science Center, Woods Hole, MA
Publisher:

U.S. Geological Survey, Coastal and Marine Hazards and Resources Program

Online_Linkage: https://doi.org/10.5066/P9HYNUNV
Online_Linkage:

https://www.sciencebase.gov/catalog/item/64dfa9e3d34e5f6cd553bc60

Larger_Work_Citation:

Citation_Information:

Originator: Marie K. Bartlett
Originator: Amy S. Farris
Originator: Kathryn M. Weber
Originator: Rachel E. Henderson
Publication_Date: 2023
Title:

USGS National Shoreline Change — 2017 lidar-derived mean high water shoreline and associated shoreline change data for coastal North Carolina

Edition: 1.0
Geospatial_Data_Presentation_Form: vector digital data
Series_Information:

Series_Name: data release
Issue_Identification: doi:10.5066/P9HYNUNV

Publication_Information:

Publication_Place: Reston, VA
Publisher: U.S. Geological Survey

Other_Citation_Details:

Bartlett, M.K., Farris, A.S., Weber, K.M., and Henderson, R.E., 2023, USGS National Shoreline Change — 2017 lidar-derived mean high water shoreline and associated shoreline change data for coastal North Carolina: U.S. Geological Survey data release, https://doi.org/P9HYNUNV.

Online_Linkage: https://doi.org/10.5066/P9HYNUNV
Online_Linkage:

https://www.sciencebase.gov/catalog/item/64de3810d34e5f6cd5533c78

Description:

Abstract:

The U.S. Geological Survey (USGS) has compiled national shoreline data for more than 20 years to document coastal change and serve the needs of research, management, and the public. Maintaining a record of historical shoreline positions is an effective method to monitor national shoreline evolution over time, enabling scientists to identify areas most susceptible to erosion or accretion. These data can help coastal managers and planners understand which areas of the coast are vulnerable to change.
This data release includes one new mean high water (MHW) shoreline extracted from lidar data collected in 2017 for the entire coastal region of North Carolina which is divided into four subregions: northern North Carolina (NCnorth), central North Carolina (NCcentral), southern North Carolina (NCsouth), and western North Carolina (NCwest). Previously published historical shorelines for North Carolina (Kratzmann and others, 2017) were combined with the new lidar shoreline to calculate long-term (up to 169 years) and short-term (up to 20 years) rates of change. Files associated with the long-term and short-term rates are appended with "LT" and "ST", respectively. A proxy-datum bias reference line that accounts for the positional difference in a proxy shoreline (e.g. High Water Line (HWL) shoreline) and a datum shoreline (e.g. MHW shoreline) is also included in this release.

Purpose:

This dataset consists of point data created by the Digital Shoreline Analysis System (DSAS) v5.1 at the intersection of shoreline and transect locations. Measurement transects are cast by DSAS from the baseline to intersect shoreline vectors, and the intersect data provide location and time information used to calculate rates of change. These point data contain identification information related to the DSAS transect (TransOrder) as well as the shoreline (ShorelineID and Uncertainty) and proxy-datum bias data (if applicable). They can be used to visually display which shorelines were used in the rate calculations and capture details on the shoreline represented by the intersection. The distances between the reference baseline and each shoreline intersection along a transect are used by the DSAS software to compute the shoreline change metrics.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 1848
Ending_Date: 2017

Currentness_Reference: ground condition at the time of shoreline source data

Status:

Progress: Complete
Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -78.039857
East_Bounding_Coordinate: -76.518099
North_Bounding_Coordinate: 34.700925
South_Bounding_Coordinate: 33.836189

Keywords:

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: environment
Theme_Keyword: oceans
Theme_Keyword: geoscientificInformation

Theme:

Theme_Keyword_Thesaurus: None
Theme_Keyword: Shoreline Change
Theme_Keyword: Digital Shoreline Analysis System
Theme_Keyword: DSAS
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Woods Hole Coastal and Marine Science Center
Theme_Keyword: WHCMSC
Theme_Keyword: North America
Theme_Keyword: Southeast Atlantic
Theme_Keyword: erosion
Theme_Keyword: accretion
Theme_Keyword: long-term change

Theme:

Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: coastal processes
Theme_Keyword: geospatial datasets
Theme_Keyword: erosion
Theme_Keyword: shoreline accretion

Theme:

Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:64dfa9e3d34e5f6cd553bc60

Place:

Place_Keyword_Thesaurus: None
Place_Keyword: Atlantic Coast
Place_Keyword: North Carolina
Place_Keyword: United States

Access_Constraints: None.
Use_Constraints:

These data were generated for use within the DSAS v5.1 software. Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. These data should not be used for any purpose other than that for which they are intended. The United States Geological Survey does not guarantee its validity. Assumptions, analyses, opinions, and actual outcomes may vary. The user should always verify actual data and exercise their own professional judgment when interpreting any outcomes. These data should not be used for any purpose other than that for which they are intended. The United States Geological Survey does not guarantee its validity. Assumptions, analyses, opinions, and actual outcomes may vary. The user should always verify actual data and exercise their own professional judgment when interpreting any outcomes. Please recognize the U.S. Geological Survey as the originator of the dataset. These data are not to be used for navigation.

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Marie K. Bartlett
Contact_Organization: U.S. Geological Survey

Contact_Position: Geologist
Contact_Address:

Address_Type: mailing
Address: 384 Woods Hole Rd
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543

Contact_Voice_Telephone: 508-457-8700 x2306
Contact_Electronic_Mail_Address: mbartlett@usgs.gov

Browse_Graphic:

Browse_Graphic_File_Name:

https://www.sciencebase.gov/catalog/file/get/64dfa9e3d34e5f6cd553bc60?name=NCsouth_intersects_browse.PNG

Browse_Graphic_File_Description: Map view of dataset
Browse_Graphic_File_Type: PNG

Native_Data_Set_Environment: Microsoft Windows 10 Esri ArcGIS 10.7.1
Cross_Reference:

Citation_Information:

Originator: Emily A. Himmelstoss
Originator: Amy S. Farris
Originator: Rachel E. Henderson
Originator: Meredith G. Kratzmann
Originator: Ayhan Ergul
Originator: Ouya Zhang
Originator: Jessica L. Zichichi
Originator: E. Robert Thieler
Publication_Date: 2021
Title:

Digital Shoreline Analysis System (version 5.1): U.S. Geological Survey Software

Geospatial_Data_Presentation_Form: publication
Series_Information:

Series_Name: software release
Issue_Identification: version 5.1

Publication_Information:

Publication_Place: Reston, VA
Publisher: U.S. Geological Survey

Other_Citation_Details:

Use the first two links to access the software. The third link directs to the DSAS project page. Current version of software at time of use was 5.1.

Online_Linkage: https://code.usgs.gov/cch/dsas/
Online_Linkage: https://doi.org/10.5066/P9VW42I0
Online_Linkage:

https://www.usgs.gov/centers/whcmsc/science/digital-shoreline-analysis-system-dsas

Cross_Reference:

Citation_Information:

Originator: Emily A. Himmelstoss
Originator: Rachel E. Henderson
Originator: Meredith G. Kratzmann
Originator: Amy S. Farris
Publication_Date: 20211019
Title: Digital Shoreline Analysis System (version 5.1) User Guide
Geospatial_Data_Presentation_Form: publication
Series_Information:

Series_Name: Open-File Report
Issue_Identification: 2021-1091

Publication_Information:

Publication_Place: Reston, VA
Publisher: U.S. Geological Survey

Other_Citation_Details:

Refer to the DSAS user guide for more information about attribute requirements, accuracy reports, and feature creation.

Online_Linkage: https://doi.org/10.3133/ofr20211091
Online_Linkage:

https://www.usgs.gov/centers/whcmsc/science/digital-shoreline-analysis-system-dsas

Cross_Reference:

Citation_Information:

Originator: Emily A. Himmelstoss
Originator: Meredith G. Kratzmann
Originator: E. Robert Thieler
Publication_Date: 2017
Title:

National assessment of shoreline change—Summary statistics for updated vector shorelines and associated shoreline change data for the Gulf of Mexico and Southeast Atlantic coasts

Geospatial_Data_Presentation_Form: vector digital data
Series_Information:

Series_Name: Open-File Report
Issue_Identification: 2017-1015

Publication_Information:

Publication_Place: Reston, VA
Publisher: U.S. Geological Survey

Online_Linkage: https://doi.org/10.3133/ofr20171015

Cross_Reference:

Citation_Information:

Originator: Meredith G. Kratzmann
Originator: Emily A. Himmelstoss
Originator: E. Robert Thieler
Publication_Date: 2017
Title:

National assessment of shoreline change – A GIS compilation of updated vector shorelines and associated shoreline change data for the Southeast Atlantic Coast

Geospatial_Data_Presentation_Form: vector digital data
Series_Information:

Series_Name: data release
Issue_Identification: 2017

Publication_Information:

Publication_Place: Reston, VA
Publisher: U.S. Geological Survey

Online_Linkage: https://doi.org/10.5066/F74X55X7
Online_Linkage:

https://www.sciencebase.gov/catalog/item/58055f50e4b0824b2d1c1ee7

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 while creating the intersects layer or during the calculation of shoreline change rates.

Logical_Consistency_Report:

These data were generated using DSAS v5.1, an automated software program, which does not perform checks for fidelity of the input features. Following generation of the rates and intersects by the DSAS software, a visual inspection of the intersects was performed in map view to determine that no unwanted measurements, such as those crossing man-made coastal structures, were included in the desired long-term (LT) or short-term (ST) shoreline change analysis. It is possible that a centimeter-scale offset may occur when projecting from outside of the spatial reference system used for analysis (UTM Zone 18N WGS84 or UTM Zone 17N WGS84). This is an artifact of the projection process; rate data are unaffected.

Completeness_Report:

This dataset contains the intersects automatically generated by the DSAS software application that were used to calculate shoreline change rates for the region.

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

The intersection points represent the location where transects cast by the DSAS software crosses a historical shoreline position. The positional uncertainties associated with the shoreline and intersection points are captured in the shoreline attribute table (see larger work citation, and NCsouth_shoreline_2017). See Kratzmann and others (2017) for uncertainties associated with historical (1848-2010) shoreline positions.

Lineage:

Process_Step:

Process_Description:

Step 1: Long-term (LT) rate calculations were performed producing rates and intersect points with and without the proxy-datum bias correction.
DSAS parameters used: shoreline layer = NCsouth_shorelines, shoreline date field = Date_, shoreline uncertainty field name = Uncy, default accuracy = 5.1 meters, shoreline intersection = seaward, stats calculations = [LRR], shoreline threshold = 3, confidence interval=90%. Files produced = NCsouth_rates_LT, NCsouth_intersects_LT. The historical shoreline database contains both MHW and HWL shorelines thus a proxy-datum bias (PDB), stored as a line feature class is appended to the reference baseline. The PDB is applied during rate calculation. For more information about the origin of the PDB see Ruggiero and List (2009), which is cross-referenced in this metadata file. Rate statistics are presented with and without the PDB correction applied, denoted in the long-term rates attribute table (see larger work citation, NCsouth_rates_LT) with a prefix of “NB_” or “No bias”. The bias uncertainty values are stored within the bias feature attribute table (see larger work citation, NCsouth_bias_feature).

Source_Used_Citation_Abbreviation: NCsouth_trans_LT
Source_Used_Citation_Abbreviation: NCsouth_bias_feature
Source_Used_Citation_Abbreviation: NCsouth_shorelines
Process_Date: 2023
Source_Produced_Citation_Abbreviation: NCsouth_rates_LT
Source_Produced_Citation_Abbreviation: NCsouth_intersects_LT
Process_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Marie K. Bartlett
Contact_Organization: U.S. Geological Survey

Contact_Position: 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 x 2306
Contact_Electronic_Mail_Address: mbartlett@usgs.gov

Process_Step:

Process_Description:

Step 2: Short-term (ST) rate calculations were performed without a proxy-datum bias correction which was unnecessary, since only datum-based MHW shorelines (1997-2017) were used.
DSAS parameters used: shoreline layer = NCsouth_shorelines_ST, shoreline date field = Date_, shoreline uncertainty field name = Uncy, default accuracy = 5.1 meters, shoreline intersection = seaward, stats calculations = [LRR], shoreline threshold = 2, confidence interval=90%. Files produced = NCsouth_rates_ST, NCsouth_intersects_ST.

Source_Used_Citation_Abbreviation: NCsouth_trans_ST
Source_Used_Citation_Abbreviation: NCsouth_bias_feature
Source_Used_Citation_Abbreviation: NCsouth_shorelines_ST
Process_Date: 2023
Source_Produced_Citation_Abbreviation: NCsouth_rates_ST
Source_Produced_Citation_Abbreviation: NCsouth_intersects_ST

Process_Step:

Process_Description:

The long-term and short-term intersect feature classes were exported to shapefiles in ArcMap v10.7.1 by right-clicking the transect layer > data > export data. Coordinate system: UTM Zone 18N.

Process_Date: 2023

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: String

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Grid_Coordinate_System:

Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:

UTM_Zone_Number: 18
Transverse_Mercator:

Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -81.0
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: meters

Geodetic_Model:

Horizontal_Datum_Name: WGS_1984
Ellipsoid_Name: WGS_84
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257223563

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: NCsouth_intersects_LT
Entity_Type_Definition:

The intersection points are generated by DSAS where each DSAS generated transect crosses a shoreline. These intersections represent the shoreline position and contain the data necessary for DSAS to compute long-term rates, with and without the proxy-datum bias correction applied. Point Vector Count: 27546

Entity_Type_Definition_Source: U.S. Geological Survey (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: Feature geometry. Intersects are point shapefiles.

Attribute:

Attribute_Label: BaselineID
Attribute_Definition:

Values in this field correlate to the baseline attribute field ID and are assigned by DSAS to identify the baseline segment used to generate the measurement transect.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 5
Range_Domain_Maximum: 11

Attribute:

Attribute_Label: ShorelineI
Attribute_Definition:

Date of shoreline position; date of survey as determined from shoreline layer.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Unrepresentable_Domain: Date of the shoreline in mm/dd/yyyy

Attribute:

Attribute_Label: Distance
Attribute_Definition:

The distance in meters between the DSAS reference baseline and the shoreline intersection point along a DSAS transect. Decimal values may be positive or negative, which is used to indicate landward (negative) or seaward (positive) shoreline movement.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -1295.47
Range_Domain_Maximum: 725.828
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: IntersectX
Attribute_Definition:

The easting or X-coordinate location of the intersect point in WGS84 UTM18N.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 221461.399
Range_Domain_Maximum: 359576.865
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: IntersectY
Attribute_Definition:

The northing or Y-coordinate location of the intersect point in WGS84 UTM18N.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 3748069.243
Range_Domain_Maximum: 3840947.383

Attribute:

Attribute_Label: Uncertaint
Attribute_Definition:

The uncertainty of the shoreline intersect point as defined by the positional uncertainty value of the shoreline.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.615
Range_Domain_Maximum: 10.8
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: Bias_Dista
Attribute_Definition:

The distance in meters between the DSAS reference baseline and the shoreline intersection point along a DSAS transect with the proxy-datum bias correction applied. May be positive or negative depending on the orientation of the baseline.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -1286.269
Range_Domain_Maximum: 734.812
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: BIAS
Attribute_Definition:

The estimated unidirectional horizontal offset between the MHW elevation of the lidar data and the HWL shoreline position.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.001
Range_Domain_Maximum: 14.188
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: BIAS_X
Attribute_Definition:

The X-coordinate location of the intersect point with the bias correction applied.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 221461.399
Range_Domain_Maximum: 359567.313
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: BIAS_Y
Attribute_Definition:

The Y-coordinate location of the intersect point with the bias correction applied.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 3748062.168
Range_Domain_Maximum: 3840938.413
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: Bias_Uncer
Attribute_Definition:

The uncertainty associated with the shoreline once the bias correction has been applied. It is the quadrature sum of the shoreline uncertainty and the uncertainty of the bias estimate.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2.07
Range_Domain_Maximum: 12.856
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: TransOrder
Attribute_Definition:

Assigned by DSAS based on ordering of transects along the baseline. Used to allow user to sort transect data along the baseline from baseline start to baseline end.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1
Range_Domain_Maximum: 3817

Detailed_Description:

Entity_Type:

Entity_Type_Label: NCsouth_intersects_ST
Entity_Type_Definition:

The intersection points are generated by DSAS where each DSAS generated transect crosses a shoreline. These intersections represent the shoreline position and contain the data necessary for DSAS to compute short-term rates. Because only modern, MHW lidar shorelines were used to calculate short-term rates, the proxy-datum bias calculation does not apply. Point Vector Count: 10350

Entity_Type_Definition_Source: U.S. Geological Survey (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: Feature geometry. Intersects are point shapefiles.

Attribute:

Attribute_Label: BaselineID
Attribute_Definition:

Values in this field correlate to the baseline attribute field ID and are assigned by DSAS to identify the baseline segment used to generate the measurement transect.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 5
Range_Domain_Maximum: 11

Attribute:

Attribute_Label: ShorelineI
Attribute_Definition:

Date of shoreline position; date of survey as determined from shoreline layer.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Unrepresentable_Domain: Date of the shoreline in mm/dd/yyyy

Attribute:

Attribute_Label: Distance
Attribute_Definition:

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -621.89
Range_Domain_Maximum: 353.29
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: IntersectX
Attribute_Definition:

The easting or X-coordinate location of the intersect point in WGS84 UTM18N.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 221460.259
Range_Domain_Maximum: 359289.674
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: IntersectY
Attribute_Definition:

The northing or Y-coordinate location of the intersect point in WGS84 UTM18N.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 3748533.282
Range_Domain_Maximum: 3840870.649
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: Uncertaint
Attribute_Definition:

The uncertainty of the shoreline intersect point as defined by the positional uncertainty value of the shoreline.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.62
Range_Domain_Maximum: 7.621
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: TransOrder
Attribute_Definition:

Assigned by DSAS based on ordering of transects along the baseline. Used to allow user to sort transect data along the baseline from baseline start to baseline end.

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1
Range_Domain_Maximum: 3725

Overview_Description:

Entity_and_Attribute_Overview:

The entity and attribute information provided here describes the tabular data associated with the intersects needed to calculate long-term (up to 169 years) and short-term (up to 20 years) rates of change. Please review the individual attribute descriptions for detailed information. All calculations for length are in meter units and were based on the UTM zone 18N WGS 84 projection (NCnorth, NCcentral, NCwest) or UTM zone 17N (NCwest) projection.

Entity_and_Attribute_Detail_Citation: U.S. Geological Survey

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey
Contact_Person: USGS ScienceBase

Contact_Address:

Address_Type: mailing address
Address: Denver Federal Center, Building 810, Mail Stop 302
City: Denver
State_or_Province: CO
Postal_Code: 80225
Country: United States

Contact_Voice_Telephone: 1-888-275-8747
Contact_Electronic_Mail_Address: sciencebase@usgs.gov

Resource_Description:

The dataset contains the point data representing the intersection of North Carolina shorelines and transect data (NCsouth_intersects_LT.shp, NCsouth_intersects_ST.shp and other shapefile components), browse graphic (NCsouth_intersects_browse.PNG), and the FGDC CSDGM metadata in XML format.

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. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), and have been processed successfully on a computer system at the USGS, no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems. The USGS or the U.S. Government shall not be held liable for improper or incorrect use of the data described and/or contained herein. 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 10.7.1
Format_Specification: Esri Point Shapefile
Format_Information_Content:

These files (.cpg, .dbf, .prj, .sbn, .sbx, .shp, and .shx) are a collection of files with a common filename prefix and must be downloaded and stored in the same directory. Together they are the components of the shapefile. Additional files of the same name included are FGDC CSDGM-compliant metadata in XML format.

Transfer_Size: 2.0

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: https://doi.org/10.5066/P9HYNUNV
Network_Resource_Name:

https://www.sciencebase.gov/catalog/file/get/64dfa9e3d34e5f6cd553bc60

Network_Resource_Name:

https://www.sciencebase.gov/catalog/item/64dfa9e3d34e5f6cd553bc60

Access_Instructions:

The first link is to the USGS publication page, the second link downloads all the data on the landing page, and the third link is to the dataset landing page.

Fees: None.

Metadata_Reference_Information:

Metadata_Date: 20231023
Metadata_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Marie K. Bartlett
Contact_Organization: U.S. Geological Survey

Contact_Address:

Address_Type: mailing and physical
Address: 384 Woods Hole Rd
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA

Contact_Voice_Telephone: 508-548-8700 x2306
Contact_Electronic_Mail_Address: whsc_data_contact@usgs.gov
Contact_Instructions:

The metadata contact email address is a generic address in the event the person is no longer with USGS.

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998

This page is <https://cmgds.marine.usgs.gov/catalog/whcmsc/SB_data_release/DR_P9HYNUNV/NCsouth_intersects.html>