NOAA ENC® Direct to GIS

Metadata:

• Identification_Information
• Data_Quality_Information
• Spatial_Reference_Information
• Entity_and_Attribute_Information
• Distribution_Information
• Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator:

Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Office of Coast Survey (OCS)

Publication_Date: 2001 through present

Title: NOAA ENC® Direct to GIS

Edition: Various

Geospatial_Data_Presentation_Form: map

Publication_Information:

Publication_Place: Silver Spring, MD

Publisher: NOAA's Ocean Service, Office of Coast Survey (OCS)

Online_Linkage: <http://ocs-spatial.ncd.noaa.gov/encdirect/viewer.htm>

Description:

Abstract:

NOAA's Electronic Navigational Charts (NOAA ENC®s) have been developed to support the marine transportation infrastructure and coastal management. The NOAA ENC®s are in S-57, a data standard developed by the International Hydrographic Organization (IHO) to be used for the exchange of digital hydrographic data. NOAA ENC®s can be used in Geographic Information Systems, (GIS) allowing for broader public access. Many GIS's, however cannot read an ENC's native S-57 format to address this problem. NOAA's ENC® Direct to GIS web portal provides comprehensive access to display, query, and download all available large scale NOAA ENC® data in a variety of GIS/CAD formats for non-navigational purposes using Internet mapping service technology. Nautical chart features contained within an NOAA ENC® provide a detailed representation of the U.S. coastal and marine environment. This data includes coastal topography, bathymetry, landmarks, geographic place names and marine boundaries. Features in an NOAA ENC® are limited in that they only represent the geographic region that is depicted in that particular NOAA ENC®. By aggregating nautical features from all NOAA ENC®s in the creation of GIS data, a contiguous depiction of the U.S coastal and marine environment is achieved.

Purpose:

NOAA ENC® Direct to GIS Internet Mapping Service is designed to allow for the visualization, querying and downloading of NOAA's Electronic Navigational Chart's (NOAA ENC®) data in common Geographic Information System (GIS) formats.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20010711

Ending_Date: Present

Currentness_Reference:This site up to date with the latest edition enc cells through publication date on site.

Status:

Progress: In work

Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -179.43

East_Bounding_Coordinate: 174.61

North_Bounding_Coordinate: 65.67

South_Bounding_Coordinate: 17.57

Keywords:

Theme:

Theme_Keyword_Thesaurus: Tri - Service Spatial Data Standard

Theme_Keyword: Boundaries

Theme_Keyword: Environment/Hazard

Theme_Keyword: Hydrography

Theme_Keyword: Landform

Theme_Keyword: Transportation

Theme_Keyword: Wildlife/Fisheries

Theme_Keyword: Marine Navigation

Theme_Keyword: Oceans

Place:

Place_Keyword_Thesaurus: None

Place_Keyword: U.S. Exclusive Economic Zone

Place_Keyword: U.S. territories

Place_Keyword: U.S. waters

Access_Constraints:

None.

Use_Constraints:

NOAA ENC® Direct to GIS data is not intended for navigational purposes. This data is provided for use in GIS software packages for coastal planning and research.

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Office of Coast Survey (OCS)

Contact_Person: ENC GIS Technical

Contact_Position: enc.gis@noaa.gov

Contact_Address:

Address_Type: mailing and physical address

Address: 1315 East West Highway N/CS2

City: Silver Spring

State_or_Province: Maryland

Postal_Code: 20910

Country: USA

Contact_Voice_Telephone: (301) 713-2645

Contact_Facsimile_Telephone: (301) 713-4501

Contact_Electronic_Mail_Address: james.hawks@noaa.gov

Hours_of_Service: 0700-1500 EST

Contact_Instructions: E-mail is preferred.

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:

The NOAA ENC® Direct to GIS data is derived from NOAA ENC®'s which conforms to the International Hydrographic Organization Transfer Standard for Digital Hydrographic Data, Special Publication S-57, ENC Product Specification Edition 2.0.

Logical_Consistency_Report:

The NOAA ENC® Direct data is derived from NOAA ENC®'s which conforms to the International Hydrographic Organization Transfer Standard for Digital Hydrographic Data, Special Publication S-57, ENC Product Specification Edition 2.0. NOAA ENC® Direct to GIS data has added generalized nautical chart symbology to aid in the visualazition of this data.

Completeness_Report:

NOAA ENC® Direct to GIS data represents current coverage of all large scale Harbor and Approach (1:150,000 to 1:50,000 or larger) ENC Charts. The NOAA ENC® Chart Suite is not scheduled to be completed until 2007. As new NOAA ENC®s and NOAA ENC editions are created they will be added to the NOAA ENC Direct to GIS data on the first of every month

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

The NOAA ENC® Direct to GIS data is derived from data that conforms to the International Hydrographic Organization Transfer Standard for Digital Hydrographic Data, Special Publication S-57, ENC Product Specification Edition 2.0.

Vertical_Positional_Accuracy:

Vertical_Positional_Accuracy_Report:

The NOAA ENC® Direct to GIS data is dereived from data that conforms to the International Hydrographic Organization Transfer Standard for Digital Hydrographic Data, Special Publication S-57, ENC Product Specification Edition 2.0.

Lineage:

Process_Step:

Process_Description:

The NOAA ENC® database has been built from a combination of charted information as well as original "source" information. NOAA has compiled critical features such as channel limits, aids to navigation, and obstructions from the original documents that were used to put the feature on the paper chart. The objective is to use the most accurate information for features that are critical to the safety of navigation. NOAA uses a number of sources in compiling NOAA ENC®S including U.S. Army Corps of Engineers surveys, drawings, and permits, U.S. Coast Guard Local Notices to Mariner, National Imagery and Mapping Agency Notices to Mariners, NOAA hydrographic surveys, and the largest scale paper chart of an area. ENC® Direct to GIS data was created by transforming Approach and Harbor NOAA ENC® version 2 cells to ESRI's shapefile format using Safe Software's Feature Manipulation Engine.

Process_Date: 200305 - present

Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Office of Coast Survey (OCS)

Contact_Position: NOAA ENC® Direct to GIS Technical Contact

Contact_Address:

Address_Type: mailing and physical address

Address: 1315 East West Highway N/CS2

City: Silver Spring

State_or_Province: Maryland

Postal_Code: 20910

Country: USA

Contact_Voice_Telephone: 301-713-2645

Contact_Facsimile_Telephone: 301-713-4501

Contact_Electronic_Mail_Address: enc.gis@noaa.gov

Hours_of_Service: 0700-1500 EST

Contact_Instructions: E-mail is preferred

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geographic:

Latitude_Resolution: 0.000001

Longitude_Resolution: 0.000001

Geographic_Coordinate_Units: Decimal degrees

Geodetic_Model:

Horizontal_Datum_Name: World Geodetic System 1984

Ellipsoid_Name: Geodetic Reference System 80

Semi-major_Axis: 6378137.0

Denominator_of_Flattening_Ratio: 298.257

Vertical_Coordinate_System_Definition:

Altitude_System_Definition:

Altitude_Datum_Name: Mean High Water

Altitude_Resolution: 0.1

Altitude_Distance_Units: Meters

Altitude_Encoding_Method: Attribute values

Depth_System_Definition:

Depth_Datum_Name: Mean lower low water

Depth_Resolution: 0.1

Depth_Distance_Units: Meters

Depth_Encoding_Method: Explicit depth coordinate included with horizontal coordinates

Entity_and_Attribute_Information:

Overview_Description:

Entity_and_Attribute_Overview:

The data provided through the NOAA ENC® Direct to GIS service is derived from elctronic data that conforms to the International Hydrographic Organization Transfer Standard for Digital Hydrographic Data, Special Publication S-57, ENC Product Specification Edition 2.0. The entity and attribute descriptions are contained in the standard. The standard is available from the IHO at <http://www.iho.shom.fr>.

Entity_and_Attribute_Detail_Citation: IHO S-57, Edition 3.1

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Office of Coast Survey (OCS)

Contact_Person: James Hawks

Contact_Position: ENCDirect Technical Contact

Contact_Address:

Address_Type: mailing and physical address

Address: 1315 East West Highway N/CS2

City: Silver Spring

State_or_Province: Maryland

Postal_Code: 20910

Country: USA

Contact_Voice_Telephone: (301) 713-2645

Contact_Facsimile_Telephone: (301) 713-4501

Contact_Electronic_Mail_Address: enc.gis@noaa.gov

Hours_of_Service: 0700-1500 EST

Contact_Instructions: E-mail preferred.

Resource_Description: Live data and maps

Distribution_Liability: None

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: AutoCAD DWG (R2000), AutoCAD DXF (R2000), Caris NTX, ESRI Arc/Info Coverage, ESRI Arc/Info Export (E00), ESRI Arc/Info Generate, ESRI Shape, MapInfo MID/MIF, MapInfo TAB,

Format_Information_Content: Data can be downloaded in either North American Datum 1927 or World Geodetic System 1984.

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: <http://ocs-spatial.ncd.noaa.gov/encdirect/viewer.htm>

Fees: There are no fees for the download of the NOAA ENC® Direct to GIS data.

Metadata_Reference_Information:

Metadata_Date: 20040209

Metadata_Review_Date: 20040209

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Office of Coast Survey (OCS)

Contact_Person: James Hawks

Contact_Position: NOAA ENC® Direct to GIS Technical Questions

Contact_Address:

Address_Type: mailing and physical address

Address: 1315 East West Highway N/CS2

City: Silver Spring

State_or_Province: Maryland

Postal_Code: 20910

Country: USA

Contact_Voice_Telephone: (301) 713-2645

Hours_of_Service: 0700-1500 EST

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998