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BLM REA CYR 2013 Alaska Coastline 1:63,360 Excluding Small Islands


Identification Information:
Citation:
Citation Information:
Online Linkage: https://landscape.blm.gov/CYR_2013_layerpackages/CYR_AlaskaCoastline.lpk
Originator: Alaska Department of Natural Resources
Publication Date: 19980211
Title: BLM REA CYR 2013 Alaska Coastline 1:63,360 Excluding Small Islands
Online Linkage: http://www.asgdc.state.ak.us/
Description:
Abstract: This is a first cut at a statewide 1:63,360 coastline. The entire coasline, however, is not 1:63.360; only where data was available as of January 1998. It is a mixture of sources ranging from the Department of Natural Resources, Land Records Information Section hydrography database to the Exxon Valdez Oil Spill Environmentally Sensitive Index coastline (no ESI attributes included) to the US Geologic Survey hydrography to US Forest Service (in Prince William Sound). Where the 1:63,360 data was unavailable the 1:250,000 coastline was used to fill in. This information does not include lakes or streams. All streams are cut off at the mouth with a straight line. It excludes small islands that are difficult to visually map at 1:1,000,000 (area 500,000 square meters) providing a smaller data file to work with, particularly for clipping general coverages and for general small scale mapping, while not compromising the consistency.
Purpose: The purpose of this information is to provide a coastline for land data to be clipped. It's purpose is cartographic. Before this was created, land data was clipped to a 1:250,000 statewide coastline which did not include many of the islands and did not match well with the 1:63,360 hydrography. Attributes have been added to the arcs, but have not been checked carefully. This coverage is the first of its kind at this scale; thus there are errors. Note: The USGS is in the process of automating the hydrography statewide at 1:63,360 and should be used as a replacement when the information is ready. This hydrography was not complete and available as of January 1998, and no specific date was set.
Supplemental Information: None
Status:
Progress: Complete
Maintenance and Update Frequency: None planned
Spatial Domain:
Bounding Coordinates:
West Bounding Coordinate: -179.144808808
East Bounding Coordinate: -130
North Bounding Coordinate: 71.3894880355
South Bounding Coordinate: 51.2157571966
Keywords:
Theme:
Theme Keyword Thesaurus: ISO 19115 Topic Category
Theme Keyword: boundaries
Theme:
Theme Keyword Thesaurus: BLM-THEME
Theme Keyword: Geospatial
Theme Keyword: Hydrology
Theme:
Theme Keyword Thesaurus: BLM-REA
Theme Keyword: CYR 2013
Theme Keyword: Central Yukon
Theme:
Theme Keyword Thesaurus: None
Theme Keyword: DOI
Theme Keyword: Bureau of Land Management
Theme Keyword: BLM
Theme Keyword: Rapid Ecoregional Assessment
Theme Keyword: REA
Place:
Place Keyword Thesaurus: BLM-STATE
Place Keyword: Alaska
Theme:
Theme Keyword Thesaurus: BLM-THEME
Theme Keyword: framework
Theme:
Theme Keyword Thesaurus: ISO 19115 Topic Category
Theme Keyword: boundaries
Place:
Place Keyword Thesaurus: BLM-STATE
Place Keyword: Alaska
Point of Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: Alaska Center for Conservation Science, University of Alaska Anchorage
Contact Person: Timm Nawrocki
Contact Position: Research Technician
Contact Address:
Address Type: mailing and physical address
Address: 3211 Providence Drive
City: Anchorage
State or Province: AK
Postal Code: 99508
Country: US
Contact Voice Telephone: 907-786-6359
Contact TDD/TTY Telephone: None
Contact Facsimile Telephone: 907-786-6369
Contact Electronic Mail Address: twnawrocki@alaska.edu
Hours: Monday through Friday, 0900 to 1700 Alaska Time
Contact Instructions: http://accs.uaa.alaska.edu/
Native Data Set Environment: Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.3.0.4322
Use Constraints: These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. The information contained in these data is dynamic and may change over time. The data are not better than the original sources from which they were derived, and both scale and accuracy may vary across the data set. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate. The User is encouraged to carefully consider the content of the metadata file associated with these data. These data are neither legal documents nor land surveys, and must not be used as such. Official records may be referenced at most BLM offices. Please report any errors in the data to the BLM office for which it was obtained. The BLM should be cited as the data source in any products derived from these data. Any Users wishing to modify the data should describe the types of modifications they have performed. The User should not misrepresent the data, nor imply that changes made were approved or endorsed by BLM. This information may be updated without notification.
Access Constraints: None, these data are considered public domain
Time Period of Content:
Time Period Information:
Single Date/Time:
Calendar Date: unknown
Currentness Reference: Unknown
Data Quality Information:
Attribute Value Accuracy Information:
Attribute Accuracy Report: null (used to close mouth of rivers), and the Canadian border. Since a mix of sources were used, this was not always calculated. No QC was done to check accuracy. Geometry was repaired to fix incorrecct ring ordering and was reporjected to NAD_1983_Alaska_Albers.
Logical Consistency Report: Polygon and chain-node topology present.
Completeness Report: DNR, LRIS - reselected the hydrography features coded WATER_TYPE = 'S' or 'N' Did some clean up. EVOS - selected and added as need to fill in. USGS - downloaded ITM quads, where needed to fill in. Selected coastline arcs and closing arcs. USFS, Chugach - selected Prince William Sound coastline and filled in. USFS, Tongass - was included into DNR, LRIS hydrography database. There are attribute errors. Polygons all closed.
Positional Accuracy:
Horizontal Positional Accuracy:
Horizontal Positional Accuracy Report: Information was cleanup on the screen. Polygons were closed, dangles deleted, and information edgematched.
Positional Accuracy:
Vertical Positional Accuracy:
Vertical Positional Accuracy Report: This dataset does not include a vertical component.
Lineage:
Source Information:
Source Citation:
Citation Information:
Originator: Alaska Department of Natural Resources, Information Resource Management
Publication Date: 19980211
Title: Alaska Coastline 1:63,360 Excluding Small Islands
Source Scale Denominator: 0
Type of Source Media: online
Source Citation Abbreviation: http://asgdc.alaska.gov#2974
Source Contribution: Data source provides state of Alaska boundary.
Process Step:
Process Description: The geometry for the Alaska Coastline 1:63,360 - excluding small islands dataset was repaired. This created a repaired boundary dataset.
Process Date: 2016
Source Used Citation Abbreviation: Alaska Coastline 1:63,360 Excluding Small Islands
Process Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: Alaska Center for Conservation Science, University of Alaska Anchorage
Contact Person: Timm Nawrocki
Contact Position: Research Technician
Contact Address:
Address Type: mailing and physical
Address: 3211 Providence Drive
City: Anchorage
State or Province: AK
Postal Code: 99508
Country: US
Contact Voice Telephone: 907-786-6359
Contact TDD/TTY Telephone: None
Contact Facsimile Telephone: 907-786-6359
Contact Electronic Mail Address: twnawrocki@alaska.edu
Hours: Monday through Friday, 0900 to 1700 Alaska Time
Contact Instructions: http://accs.uaa.alaska.edu/
Process Step:
Process Description: The repaired boundary dataset was projected to NAD_1983_Alaska_Albers.
Process Date: 2015
Source Used Citation Abbreviation: Interim Product
Process Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: Alaska Center for Conservation Science, University of Alaska Anchorage
Contact Person: Timm Nawrocki
Contact Position: Research Technician
Contact Address:
Address Type: mailing and physical
Address: 3211 Providence Drive
City: Anchorage
State or Province: AK
Postal Code: 99508
Country: US
Contact Voice Telephone: 907-786-6359
Contact TDD/TTY Telephone: None
Contact Facsimile Telephone: 907-786-6359
Contact Electronic Mail Address: twnawrocki@alaska.edu
Hours: Monday through Friday, 0900 to 1700 Alaska Time
Contact Instructions: http://accs.uaa.alaska.edu/
Spatial Data Organization Information:
Indirect Spatial Reference: Central Yukon
Direct Spatial Reference Method: vector
Spatial Reference Information:
Horizontal Coordinate System Definition:
Geodetic Model:
Semi-major Axis: 6378137.0
Horizontal Datum Name: D North American 1983
Denominator of Flattening Ratio: 298.257222101
Ellipsoid Name: GRS 1980
Planar:
Map Projection:
Albers Conical Equal Area:
False Northing: 0.0
Standard Parallel: 55.0
Standard Parallel: 65.0
False Easting: 0.0
Longitude of Central Meridian: -154.0
Latitude of Projection Origin: 50.0
Map Projection Name: Albers Conical Equal Area
Planar Coordinate Information:
Coordinate Representation:
Abscissa Resolution: 0.0001
Ordinate Resolution: 0.0001
Planar Distance Units: meters
Planar Coordinate Encoding Method: coordinate pair
Entity and Attribute Information:
Detailed Description:
Entity Type:
Entity Type Label: CYR_AlaskaCoastline
Entity Type Definition: feature class
Entity Type Definition Source: ESRI
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: FEATURE
Attribute Definition: unknown
Attribute Definition Source: unknown
Attribute Domain Values:
Unrepresentable Domain: unknown
Attribute:
Attribute Label: NAME
Attribute Definition: Name of feature
Attribute Definition Source: From hardcopy map
Attribute Domain Values:
Unrepresentable Domain: Varies on location
Attribute:
Attribute Label: WATER_TYPE
Attribute Definition: Type of feature
Attribute Definition Source: ADNR, LRIS
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: S - shore; N - null; U - usa/canada border
Enumerated Domain Value Definition: see above
Enumerated Domain Value Definition Source: ADNR, LRIS
Attribute:
Attribute Label: SOURCE
Attribute Definition: Source where the feature came from
Attribute Definition Source: From the metadata or map
Attribute Domain Values:
Unrepresentable Domain: Varies on name of source
Attribute:
Attribute Label: SCALE
Attribute Definition: Scale of the source where the feature came from
Attribute Definition Source: From the metadata or map
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 63360, 250000 or other.
Enumerated Domain Value Definition: scale denominator of source
Enumerated Domain Value Definition Source: See SOURCE
Attribute:
Attribute Label: SOURCEDATE
Attribute Definition: Date of the source where the feature came from
Attribute Definition Source: From the metadata or map
Attribute Domain Values:
Unrepresentable Domain: Varies on date of source
Overview Description:
Entity and Attribute Overview: This dataset represents the boundary for the State of Alaska excluding some of the small islands.
Entity and Attribute Detail Citation: Further information for entity types is available in the CYR REA Final Report. Attribute details are listed in this metadata.
Distribution Information:
Distributor:
Contact Information:
Contact Electronic Mail Address: blm_oc_rea_data_portal_feedback_team@blm.gov
Contact Address:
Address: Building 50, Denver Federal Center
Address: P.O. Box 25047
City: Denver
Address Type: mailing and physical address
Country: USA
Postal Code: 80225-0047
State or Province: Colorado
Contact Voice Telephone: Please email
Contact Organization Primary:
Contact Organization: Bureau of Land Management
Contact Position: Resource Programs Data Coordinator, OC-530
Standard Order Process:
Ordering Instructions: Download from Landscape Approach Data Portal
Digital Form:
Digital Transfer Information:
Format Name: ESRI Layer Package (LPK)
Format Specification: Varies
File Decompression Technique: No compression applied
Digital Transfer Option:
Online Option:
Access Instructions: Download from Landscape Approach Data Portal
Computer Contact Information:
Network Address:
Network Resource Name: https://landscape.blm.gov/CYR_2013_layerpackages/CYR_AlaskaCoastline.lpk
Fees: N/A
Available Time Period:
Time Period Information:
Single Date/Time:
Calendar Date: 2017
Distribution Liability: The BLM assumes no responsibility for errors or omissions. No warranty is made by the BLM as to the accuracy, reliability, or completeness of these data for individual use or aggregate use with other data; nor shall the act of distribution to contractors, partners, or beyond, constitute any such warranty for individual or aggregate data use with other data. Although these data have been processed successfully on computers of BLM, no warranty, expressed or implied, is made by BLM regarding the use of these data on any other system, or for general or scientific purposes, nor does the fact of distribution constitute or imply any such warranty. In no event shall the BLM have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of the use or reliance on the geographic data or arising out of the delivery, installation, operation, or support by BLM.
Technical Prerequisites: ESRI ArcGIS software, version 10.0 or greater
Resource Description: Downloadable Data
Metadata Reference Information:
Metadata Date: 20171013
Metadata Review Date: 20160810
Metadata Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: Alaska Center for Conservation Science, University of Alaska Anchorage
Contact Person: TImm Nawrocki
Contact Position: Research Technician
Contact Address:
Address Type: mailing and physical
Address: 3211 Providence Drive
City: Anchorage
State or Province: AK
Postal Code: 99508
Country: US
Contact Voice Telephone: 907-786-6359
Contact TDD/TTY Telephone: None
Contact Facsimile Telephone: 907-786-6359
Contact Electronic Mail Address: twnawrocki@alaska.edu
Hours: Monday through Friday, 0900 to 1700 Alaska Time
Contact Instructions: http://accs.uaa.alaska.edu/
Metadata Standard Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata Standard Version: FGDC-STD-001-1998
Metadata Time Convention: local time
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