Offshore baseline for the exposed Eastern Chukchi Sea, Alaska coastal region (Point Barrow to Icy Cape) generated to calculate shoreline change rates

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Gibbs, Ann E.
Originator: Ohman, Karin A.
Originator: Coppersmith, Ryan
Originator: Richmond, Bruce M.
Publication_Date: 2017
Title:
Offshore baseline for the exposed Eastern Chukchi Sea, Alaska coastal region (Point Barrow to Icy Cape) generated to calculate shoreline change rates
Geospatial_Data_Presentation_Form: vector digital data (polyline)
Series_Information:
Series_Name: data release
Issue_Identification: 10.5066/F72Z13N1
Publication_Information:
Publication_Place:
U.S. Geological Survey, Pacific Coastal and Marine Science Center, Santa Cruz and Menlo Park, CA
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/F72Z13N1
Online_Linkage: Larger_Work_Citation:
Citation_Information:
Originator: Gibbs, Ann E.
Originator: Ohman, Karin A.
Originator: Coppersmith, Ryan
Originator: Richmond, Bruce M.
Publication_Date: 2017
Title:
National Assessment of Shoreline Change: A GIS compilation of Updated Vector Shorelines and Associated Shoreline Change Data for the North Coast of Alaska, U.S. Canadian Border to Icy Cape
Series_Information:
Series_Name: data release
Issue_Identification: 10.5066/F72Z13N1
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/F72Z13N1
Description:
Abstract:
This dataset includes a reference baseline used by the Digital Shoreline Analysis System (DSAS) to calculate rate-of-change statistics for the exposed north coast of Alaska coastal region between Point Barrow and Icy Cape for the time period 1947 to 2012. This baseline layer serves as the starting point for all transects cast by the DSAS application and can be used to establish measurement points used to calculate shoreline-change rates.
Purpose:
The Arctic Coastal Plain of northern Alaska is an area of strategic economic importance to the United States, is home to remote Native American communities, and encompasses unique habitats of global significance. Coastal erosion along the north coast of Alaska is chronic, widespread, may be accelerating, and is threatening defense and energy-related infrastructure, natural shoreline habitats, and Native Alaskan communities. There is an increased demand for accurate information regarding past and present shoreline changes across the United States. To meet these national needs, the Coastal and Marine Geology Program of the U.S. Geological Survey (USGS) is compiling existing reliable historical shoreline data along sandy shores of the conterminous United States and parts of Alaska and Hawaii under the National Assessment of Shoreline Change project. There is no widely accepted standard for analyzing shoreline change. Existing shoreline data measurements and rate calculation methods vary from study to study and prevent combining results into state-wide or regional assessments. The impetus behind the National Assessment project was to develop a standardized method of measuring changes in shoreline position that is consistent from coast to coast. The goal was to facilitate the process of periodically and systematically updating the results in an internally consistent manner.
Supplemental_Information:
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this Federal Geographic Data Committee-compliant metadata file is intended to document the data set in nonproprietary form, as well as in Esri format, this metadata file may include some Esri-specific terminology.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2017
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -161.956935191
East_Bounding_Coordinate: -156.478282888
North_Bounding_Coordinate: 71.3906930822
South_Bounding_Coordinate: 70.2876270518
Description_of_Geographic_Extent:
North coast of Alaska between the Colville River Delta and Point Barrow
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:59431808e4b062508e309c59
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Baseline
Theme_Keyword: Shoreline
Theme_Keyword: Shoreline Change
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: Pacific Coastal and Marine Science Center
Theme_Keyword: PCMSC
Theme_Keyword: National Assessment of Shoreline Change Project
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans
Theme_Keyword: environment
Theme_Keyword: geoscientificInformation
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: coastal processes
Theme:
Theme_Keyword_Thesaurus: Data Categories for Marine Planning
Theme_Keyword: Habitat
Theme:
Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) keywords
Theme_Keyword: shoreline accretion
Theme_Keyword: shoreline erosion
Place:
Place_Keyword_Thesaurus: Geographic Names Information System (GNIS)
Place_Keyword: North Slope
Place_Keyword: Chukchi Sea
Place_Keyword: Barrow
Place_Keyword: Utqia?vik
Place_Keyword: Wainwright
Place_Keyword: State of Alaska
Place_Keyword: United States of America
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Arctic
Place_Keyword: National Petroleum Reserve-Alaska
Place_Keyword: NPR-A
Access_Constraints: None
Use_Constraints:
USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey as the originator(s) of the dataset and in products derived from these data.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Ann E. Gibbs
Contact_Organization:
U.S. Geological Survey, Pacific Coastal and Marine Science Center
Contact_Address:
Address_Type: mailing and physical address
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060-5792
Country: USA
Contact_Voice_Telephone: 831-460-7540
Contact_Facsimile_Telephone: 831-427-4748
Contact_Electronic_Mail_Address: agibbs@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: EastChukchiExtent.jpg
Browse_Graphic_File_Description:
Map of the East Chukchi subregion of the north coast of Alaska shoreline change assessment area.
Browse_Graphic_File_Type: JPEG
Data_Set_Credit: U.S. Geological Survey
Native_Data_Set_Environment:
Environment as of Metadata Creation: Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; ESRI ArcCatalog 10.1 (Build 3035) Service Pack 1 (Build 3143)
Cross_Reference:
Citation_Information:
Originator: Gibbs, A.E.
Originator: Richmond B.M.
Publication_Date: 2017
Title:
National Assessment of Shoreline Change: Summary Statistics for Updated Vector Shorelines and Associated Shoreline Change Data for the North Coast of Alaska, U.S.--Canadian Border to Icy Cape
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2017-1107
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.3133/ofr20171107
Cross_Reference:
Citation_Information:
Originator: Ann E. Gibbs
Originator: Bruce M. Richmond
Publication_Date: 2015
Title:
National Assessment of Shoreline Change--Historical Shoreline Change along the North Coast of Alaska, U.S.--Canadian Border to Icy Cape
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2015-1048
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://dx.doi.org/10.3133/ofr20151048
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 at time of use was 4.3
Online_Linkage: Online_Linkage: https://woodshole.er.usgs.gov/project-pages/DSAS/
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
The attribute in this layer is based on the requirements for use within the Digital Shoreline Analysis System (DSAS) software (Theiler and others, 2009). The data have been quality checked.
Logical_Consistency_Report:
All polylines have a unique identification attribute (ID). This field is used by the Digital Shoreline Analysis System (DSAS) to designate the alongshore order of baselines if there are more than one. Adjacent baseline segments do not overlap and are not necessarily continuous.
Completeness_Report:
This baseline file is complete and contains all baseline segments used to cast transects where shoreline data are present to calculate a rate of change.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
The baseline serves as a reference point for transects cast by the Digital Shoreline Analysis System (DSAS) software. It does not correspond to any real-world feature.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
A formal accuracy assessment of the vertical positional information in the data set has either not been conducted, or is not applicable.
Lineage:
Process_Step:
Process_Description:
Baselines were constructed offshore from the time series of shoreline positions using standard editing tools in Esri ArcMap v. 10.3 The baselines were positioned to conform to changes in the orientation of the historical shorelines also presented in this data release. This was done so that transects, which are generated by the Digital Shoreline Analysis System v 4.3 from the baseline, would intersect perpendicular to the general trend of the shorelines.
Process_Date: 2016
Process_Step:
Process_Description:
The baseline feature class was exported from a personal geodatabase to a shapefile in ArcCatalog (v.10.3) by performing a right-mouse click on the data layer > export > to shapefile (single).
Process_Date: 2016
Process_Step:
Process_Description:
The baseline shapefile was projected in Esri's ArcToolbox (v.10.3) > Data Management Tools > Projections and Transformations > Feature > Project. Parameters: input projection - UTM zone XN (NAD83; where X is the corresponding UTM Zone); output projection- geographic coordinates (WGS 84) using the Geographic Transformation WGS_1984_(ITRF00)_To_NAD_1983.
Process_Date: 2016
Process_Step:
Process_Description:
Edited metadata to add keywords section with USGS persistent identifier as theme keyword. No data were changed.
Process_Date: 20201019
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: 9
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.0196081946
Longitude_Resolution: 0.0572891920
Geographic_Coordinate_Units: Decimal seconds
Geodetic_Model:
Horizontal_Datum_Name: D_WGS_1984
Ellipsoid_Name: WGS_1984
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257223563
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: Attribute Table
Entity_Type_Definition:
Table containing attribute information associated with the data set.
Entity_Type_Definition_Source: Producer defined
Attribute:
Attribute_Label: ID
Attribute_Definition:
Field required by the Digital Shoreline Analysis System (DSAS) software. DSAS uses this value to determine the ordering sequence of transects when the baseline feature contains multiple segments. Individual segments are numbered sequentially alongshore.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1
Range_Domain_Maximum: 9
Overview_Description:
Entity_and_Attribute_Overview:
The entity and attribute information provided here describes the tabular data associated with the data set. Please review the detailed descriptions that are provided (the individual attribute descriptions) for information on the values that appear as fields/table entries of the data set.
Entity_and_Attribute_Detail_Citation:
The entity and attribute information was generated by the individual and/or agency identified as the originator of the data set. Please review the rest of the metadata record for additional details and information.
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey - Science Base
Contact_Address:
Address_Type: mailing and physical address
Address: CenterDenver Federal Center, Building 810, Mail Stop 302
City: Denver
State_or_Province: CO
Postal_Code: 80225
Country: CA
Contact_Voice_Telephone: 888-275-8747
Contact_Electronic_Mail_Address: sciencebase@usgs.gov
Resource_Description: EastChukchi_exposed_baseline.shp
Distribution_Liability:
Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: Vector Digital Data Set (Polyline)
Format_Version_Number: 9.0
Format_Specification: Esri polyline shapefile
Format_Information_Content:
This WinZip file contains the baseline shapefile for use generating transects within the Digital Shoreline Analysis System for the West Beaufort Sea coast of Alaska and associated metadata.
File_Decompression_Technique: Use WinZip or pkUnzip
Transfer_Size: 0.011
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information: Access_Instructions: Data are downloadable 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: 20201019
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Ann E. Gibbs
Contact_Organization:
U.S. Geological Survey, Pacific Coastal and Marine Science Center
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060-5792
Country: USA
Contact_Voice_Telephone: 831-460-7540
Contact_Facsimile_Telephone: 831-427-4748
Contact_Electronic_Mail_Address: agibbs@usgs.gov
Metadata_Standard_Name: Content Standard 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/pcmsc/DataReleases/ScienceBase/DR_F72Z13N1/EastChukchi_exposed_baseline.html>
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