Bathymetric Contours
Office for Coastal Management
Data Set
(DS)
| ID: 54364
| Published / External
Created: 2018-10-25
|
Last Modified: 2023-05-30
Project (PRJ) | ID: 37232
ID: 54364
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | Bathymetric Contours |
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Short Name | |
* Status | Completed |
Creation Date | |
Revision Date | |
• Publication Date | 2018-12-12 |
* » Abstract |
These data show bathymetric contours (isobaths) that help characterize the general physiographic patterns of the seafloor. Contour intervals are every 10 m from zero to -100 m, every 25 m from -100 m to -500 m, and every 100 m from -500 m to full depth. The DEM utilized was the Global Multi-Resolution Topography Synthesis which is a multi-resolution gridded global Digital Elevation Model that includes cleaned processed ship-based multibeam sonar data at their full spatial resolution (approximately 100m in the deep sea). |
* Purpose |
To support ocean planning activities pursuant to the Executive Order Regarding the Ocean Policy to Advance the Economic, Security, and Environmental Interests of the United States, the Energy Policy Act, the National Environmental Policy Act, the Rivers and Harbors Act, and the Coastal Zone Management Act. |
Notes | |
Other Citation Details | |
• Supplemental Information |
Bureau Code: 006:48, Program Code: 006:055 |
DOI (Digital Object Identifier) | |
DOI Registration Authority | |
DOI Issue Date |
Keywords
Theme Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > HUMAN DIMENSIONS > ENVIRONMENTAL GOVERNANCE/MANAGEMENT |
ISO 19115 Topic Category | elevation |
ISO 19115 Topic Category | oceans |
None | coastal |
None | planning |
None | renewable energy |
Temporal Keywords
Thesaurus | Keyword |
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* Spatial Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Location Keywords | CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA |
None | Exclusive Economic Zone |
None | Outer Continental Shelf |
None | Territorial Sea |
Stratum Keywords
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Platform Keywords
Thesaurus | Keyword |
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Physical Location
• » Organization | |
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• » City | North Charleston |
• » State/Province | SC |
• Country | |
• » Location Description |
Data Set Information
* Data Set Scope Code | Data Set |
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• Data Set Type | |
• Maintenance Frequency | None Planned |
Maintenance Note | |
» Data Presentation Form | Map (digital) |
• Entity Attribute Overview |
contour |
Entity Attribute Detail Citation | |
Entity Attribute Detail URL | |
Distribution Liability |
https://www.marinecadastre.gov/about/disclaimer.html |
Data Set Credit | NOAA Office for Coastal Management, Bureau of Ocean Energy Management |
Support Roles
* » Support Role | Point of Contact |
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* » Date Effective From | 2018-06 |
Date Effective To | |
Organization | NOAA Office for Coastal Management (NOAA/OCM) |
Address |
2234 South Hobson Ave Charleston, SC 29405-2413 |
Email Address | coastal.info@noaa.gov |
Phone | (843) 740-1202 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | |
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* » Date Effective From | |
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* » Contact | |
* Contact Instructions |
Extents
Currentness Reference | Publication Date |
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Extent Group 1
Extent Description |
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Extent Group 1 / Geographic Area 1
* » W° Bound | -179.977287 |
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* » E° Bound | 179.984439 |
* » N° Bound | 74.680439 |
* » S° Bound | -17.541414 |
* » Description |
Extent Group 1 / Vertical Extent
EPSG Code | |
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Vertical Minimum | |
Vertical Maximum |
Extent Group 1 / Time Frame 1
* » Time Frame Type | Discrete |
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* » Start | 2018-05-10 |
End | |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
ground condition |
Spatial Information
Spatial Resolution
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Equivalent Scale Denominator | |
Level of Detail Description |
Spatial Representation
Grid Representation Used? | No |
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Vector Representation Used? | Yes |
Text / Table Representation Used? | No |
TIN Representation Used? | No |
Stereo Model Representation Used? | No |
Video Representation Used? | No |
Grid Representation
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Vector Representation
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Complex Object Present? | |
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Curve Object Present? | Yes |
Curve Object Count | |
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Reference Systems
Reference System
EPSG Code | EPSG:4269 | ||||||||||||||||||||||||||||
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Access Information
Data License | |
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Data License URL | |
Data License Statement | |
* » Security Class | Unclassified |
* Security Classification System | |
Security Handling Description | |
• Data Access Policy | |
» Data Access Procedure | |
• » Data Access Constraints | |
• Data Use Constraints |
For coastal and ocean planning |
Metadata Access Constraints | |
Metadata Use Constraints |
Distribution Information
Start Date | |
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» Download URL | https://marinecadastre.gov/data/ |
Distributor | |
File Name | |
Description |
MarineCadastre.gov Data Registry |
File Date/Time | |
File Type (Deprecated) | |
Distribution Format | |
File Size | |
Application Version | |
Compression | |
Review Status |
Start Date | |
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» Download URL | https://marinecadastre.gov/downloads/data/mc/BathymetricContour.zip |
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URLs
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Activity Log
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Issues
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Issue |
Technical Environment
Description |
Microsoft Windows, ArcGIS Pro, Azure SQL |
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Data Quality
Representativeness | |
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Accuracy |
Untested |
Analytical Accuracy | |
Horizontal Positional Accuracy |
Compiled to meet 10 meters horizontal accuracy at 95% confidence level |
Vertical Positional Accuracy | |
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Completeness Measure | |
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Completeness Report |
Untested |
Conceptual Consistency |
These data are logically consistent |
» Quality Control Procedures Employed |
Data Management
» Have Resources for Management of these Data Been Identified? | |
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» Do these Data Comply with the Data Access Directive? | |
» Is Access to the Data Limited Based on an Approved Waiver? | |
» If Distributor (Data Hosting Service) is Needed, Please Indicate | |
» Approximate Delay Between Data Collection and Dissemination | |
» If Delay is Longer than Latency of Automated Processing, Indicate Under What Authority Data Access is Delayed |
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» Actual or Planned Long-Term Data Archive Location | |
» If World Data Center or Other, Specify | |
» If To Be Determined, Unable to Archive, or No Archiving Intended, Explain |
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» Approximate Delay Between Data Collection and Archiving | |
» How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive? |
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Lineage
» Lineage Statement |
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Sources
Citation Title | American Samoa (NEB_20m.asc.zip , OfuOlo_5m.asc.zip , Rose_40m.asc.zip, Swains_40m.asc.zip , Tau_5m.asc.zip, Tutuila_5m.asc.zip, Two_40m.asc.zip , Vailuluu_40m.asc.zip) |
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Contact Role Type | |
Contact Type | |
Contact Name | Pacific Islands Benthic Habitat Mapping Center (PIBHMC), NOAA IRC, NMFS / PIFSC / CRED / PIBHMC, GIS Data Steward |
Publish Date | |
Extent Type | Discrete |
Extent Start Date/Time | 2006-09-30 |
Extent End Date/Time | |
Scale Denominator | |
Citation URL | https://www.soest.hawaii.edu/pibhmc/cms/ |
Citation URL Name | Source Online Linkage |
Citation URL Description |
URL where the source data were originally accessed. |
Source Contribution |
Individual .asc files |
Citation Title | GRMT DEM (USA & Territories to EEZ) |
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Contact Role Type | |
Contact Type | |
Contact Name | NOAA Office for Coastal Management, Office for Coastal Management |
Publish Date | |
Extent Type | Discrete |
Extent Start Date/Time | 2018-05-01 |
Extent End Date/Time | |
Scale Denominator | |
Citation URL | https://www.gmrt.org/about/index.php#source |
Citation URL Name | Source Online Linkage |
Citation URL Description |
URL where the source data were originally accessed. |
Source Contribution |
Digital Elevation Model (DEM) layer package |
Citation Title | |
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Scale Denominator |
Process Steps
Process Step Number | 1 |
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» Description |
Merge the three contour data sets to make one Contours set for the America EEZ & dissolve based on the Contours interval. Utilize a shapefile of America & US Territories land areas only to erase sections of contours that might fall on land given the granularity of the Rasters. Call this contour set: USA_EEZContours_Clipped. |
Process Date/Time | 2018-05-02 00:00:00 |
Process Contact | |
Phone (Voice) | |
Email Address | |
Source |
Process Step Number | 2 |
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» Description |
Utilized the Smooth Line (Cartography) Tool with the PAEK algorithm to calculate a smoothed line that will not pass through the input line vertices at a .1 Decimal Degree smoothing tolerance & preserving endpoints for closed lines to create an enhanced cartographic product for viewing. |
Process Date/Time | 2018-05-11 00:00:00 |
Process Contact | |
Phone (Voice) | |
Email Address | |
Source |
Process Step Number | 3 |
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» Description |
Gather individual American Samoa .asc files, set proper projections for each file, merge American Samoa files to one Raster, project into Mercator. Utilize Raster to Polygon to create an exact area of the American Samoa Raster to cut out of EEZ_DEM contours. Utilize the contour tool (spatial analyst) & create three data sets, 1. zero to -100 creating a contour every 10 meters, 2. -101 to -500 with contours every 25meters, 3. -501+ with contours every 100m. Remove any contours that create that are not within the designated layer by using the select by attribute in the Attribute Table & selecting only the contours you want to keep, export the data as a new shapefile. Merge the three contour data sets to make one Contour set & dissolve based on the Contours interval, call layer American Samoa Contours. |
Process Date/Time | 2018-05-03 00:00:00 |
Process Contact | |
Phone (Voice) | |
Email Address | |
Source |
Process Step Number | 4 |
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» Description |
Download GRMT DEM of all USA & Territory areas to the EEZ & mosaic together to form one EEZ_DEM. Utilize ArcGIS spatial analyst - contour tool & create three data sets, 1. zero to -100 creating a contour every 10 meters, 2. -101 to -500 with contours every 25meters, 3. -501+ with contours every 100m. Remove any contours that are created that are not within the designated layers by using the select by attribute in the Attribute Table & selecting only the contours you want to keep, export the data as a new shapefile. |
Process Date/Time | 2018-05-01 00:00:00 |
Process Contact | |
Phone (Voice) | |
Email Address | |
Source |
Process Step Number | 5 |
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» Description |
From the USA_EEZContours_Clipped utilize the Erase tool using the American Samoa Raster Polygon. This will remove any of the contours that were created previously that are at a lower detail existing where the American Samoa Contours will exist. Merge the American Samoas Contours into the EEZ_DEM contours & Dissolve by Contour then name the resulting contour shapefile: Elevation_Bathymetry. Label all the features by contour with a mask for increased visibility, add scale range to not show when zoomed out past 1:15million (min scale). |
Process Date/Time | 2018-05-04 00:00:00 |
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Acquisition Information
Instruments
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FAQs
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Related Items
Item Type | Relationship Type | Title |
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Catalog Details
Catalog Item ID | 54364 |
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Metadata Record Created By | Anna Verrill |
Metadata Record Created | 2018-10-25 12:06+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2023-05-30 18:09+0000 |
Metadata Record Published | 2019-08-09 |
Owner Org | OCM |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2019-08-09 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2020-08-09 |
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