hab118_0503a -- Habitat polygons for HMPR-118-2005-03a survey in Olympic Coast national marine sanctuary.
Office of National Marine Sanctuaries
Data Set
(DS)
| ID: 40065
| Published / External
Created: 2017-04-05
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Last Modified: 2023-05-30
Project (PRJ) | ID: 37246
ID: 40065
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | hab118_0503a -- Habitat polygons for HMPR-118-2005-03a survey in Olympic Coast national marine sanctuary. |
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Short Name | hab118_0503a |
* Status | In Work |
Creation Date | |
Revision Date | |
• Publication Date | 2007-05 |
* » Abstract |
Benthic habitat polygon coverages are being created for the Olympic Coast national marine sanctuary (OCNMS).ROV, towed camera sled, bathymetry data, sedimentary samples, and sonar mapping have been integrated to describe the geological, biological, and oceanographic aspects of habitat. OCNMS has collected side scan sonar and video data to produce polygon coverages. The habitat polygons have attributes for megahabitat, bottom induration, mesohabitat, macrohabitat and biology (where direct observations are available), polygon area and perimeter. |
* Purpose |
These data are intended for science researchers, students, policy makers, and the general public. The data can be used with geographic information systems (GIS) software to display benthic information. |
Notes |
1415 |
Other Citation Details | |
• Supplemental Information |
Additional information about the field activities from which this data set was derived are available online at:http://www.olympiccoast.noaa.gov/research/mapping/welcome.html |
DOI (Digital Object Identifier) | |
DOI Registration Authority | |
DOI Issue Date |
Keywords
Theme Keywords
Thesaurus | Keyword |
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ISO 19115 Topic Category | oceans |
NOS Data Explorer Topic Category | Environmental Monitoring |
None | fisheries |
None | geology |
None | habitat |
None | lithology |
None | seafloor |
Temporal Keywords
Thesaurus | Keyword |
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* Spatial Keywords
Thesaurus | Keyword |
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None | Juan de Fuca |
None | Olympic Coast |
None | Washington |
Stratum Keywords
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Instrument Keywords
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Platform Keywords
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Physical Location
• » Organization | Office of National Marine Sanctuaries |
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• » City | Silver Spring |
• » State/Province | MD |
• Country | |
• » Location Description |
Data Set Information
* Data Set Scope Code | Data Set |
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• Data Set Type | |
• Maintenance Frequency | As Needed |
Maintenance Note | |
» Data Presentation Form | vector digital data |
• Entity Attribute Overview | |
Entity Attribute Detail Citation | |
Entity Attribute Detail URL | |
Distribution Liability |
Please recognize the Olympic Coast national marine sanctuary (OCNMS) as the source of these data. The Olympic Coast National Marine Sanctuary nor any of their employees, make any warranty, express or implied, including the warranties of merchantability and fitness for a particular purpose, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product or process disclosed, or represents that its use would not infringe privately owned rights. Original data elements may have been compiled from various sources. Spatial information may not meet National Mapping Accuracy Standards. This information may be updated, corrected, or otherwise modified without notification. For additional information about this data contact the Olympic Coast national marine sanctuary. |
Data Set Credit | Steven S. Intelmann Guy Cochrane |
Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2007-05 |
Date Effective To | |
Position | OCNMS GIS Coordinator |
Address |
115 East Railroad Ave Suite 301 Port Angeles, WA 98362 |
Email Address | olympiccoast@noaa.gov |
Phone | |
Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | Distributor |
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* » Date Effective From | 2007-05 |
Date Effective To | |
Position | OCNMS GIS Coordinator |
Address |
115 East Railroad Ave Suite 301 Port Angeles, WA 98362 |
Email Address | olympiccoast@noaa.gov |
Phone | |
Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | Metadata Contact |
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* » Date Effective From | 2007-05 |
Date Effective To | |
Position | OCNMS GIS Coordinator |
Address |
115 East Railroad Ave Suite 301 Port Angeles, WA 98362 |
Email Address | olympiccoast@noaa.gov |
Phone | |
Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | Point of Contact |
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* » Date Effective From | 2007-05 |
Date Effective To | |
Position | OCNMS GIS Coordinator |
Address |
115 East Railroad Ave Suite 301 Port Angeles, WA 98362 |
Email Address | olympiccoast@noaa.gov |
Phone | |
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URL | |
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* Contact Instructions |
Extents
Currentness Reference | Ground Condition |
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Extent Group 1
Extent Description |
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Extent Group 1 / Geographic Area 1
* » W° Bound | -124.919843 |
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* » E° Bound | -124.773939 |
* » N° Bound | 48.440674 |
* » S° Bound | 48.340292 |
* » 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 | 2005-06-16 |
End | |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
Spatial Information
Spatial Resolution
Angular Distance | |
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Vertical Distance | |
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Equivalent Scale Denominator | |
Level of Detail Description |
Spatial Representation
Grid Representation Used? | |
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Vector Representation Used? | Yes |
Text / Table Representation Used? | |
TIN Representation Used? | |
Stereo Model Representation Used? | |
Video Representation Used? |
Grid Representation
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Vector Representation
Topology Level | |
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Complex Object Present? | Yes |
Complex Object Count | 29588 |
Composite Object Present? | |
Composite Object Count | |
Curve Object Present? | Yes |
Curve Object Count | 57026 |
Point Object Present? | |
Point Object Count | |
Solid Object Present? | |
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Surface Object Count |
Vector Representation
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Surface Object Count |
Reference Systems
Reference System
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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 |
None. |
• Data Use Constraints |
Not suitable for navigation. |
Metadata Access Constraints | |
Metadata Use Constraints |
Distribution Information
Start Date | |
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» Download URL | http://olympiccoast.noaa.gov/science/habitatmapping/habitatmapping.htmldatacatalog.html |
Distributor | |
File Name | |
Description |
Downloadable Data |
File Date/Time | |
File Type (Deprecated) | Unknown |
Distribution Format | |
File Size | 14.833 |
Application Version | |
Compression | |
Review Status |
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» Download URL | |
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File Name | |
Description | |
File Date/Time | |
File Type | |
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Archive Information
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DOI | |
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URLs
URL | http://olympiccoast.noaa.gov/science/habitatmapping/habitatmapping.html |
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Name | |
URL Type | Online Resource |
File Resource Format | |
Description |
URL | |
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Description |
Activity Log
Activity Time | 2007-03-13 |
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Activity Type | |
Responsible Party | |
Description |
Date that the source FGDC record was last modified. |
Activity Time | 2017-04-05 |
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Activity Type | |
Responsible Party | |
Description |
Converted from FGDC Content Standards for Digital Geospatial Metadata (version FGDC-STD-001-1998) using 'fgdc_to_inport_xml.pl' script. Contact Tyler Christensen (NOS) for details. |
Activity Time | 2017-09-13 |
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Activity Type | |
Responsible Party | |
Description |
Partial upload of Spatial Info section only. |
Activity Time | 2018-02-08 |
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Activity Type | |
Responsible Party | |
Description |
Partial upload of Positional Accuracy fields only. |
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Issues
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Issue |
Technical Environment
Description |
Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 9.2.0.1324 |
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Data Quality
Representativeness | |
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Accuracy | |
Analytical Accuracy | |
Horizontal Positional Accuracy |
Accuracy of the horizontal coordinates is on the order of 10-30m based on the uncertainty in position of side scan sonar towfish relative to ships position. Horizontal layback is more accurate than lateral offsets, since any lateral offset in the towfish position (due to side currents) is unaccounted for in the layback calculations. |
Vertical Positional Accuracy | |
Quantitation Limits | |
Bias | |
Comparability | |
Completeness Measure | |
Precision | |
Analytical Precision | |
Field Precision | |
Sensitivity | |
Detection Limit | |
Completeness Report |
Mesohabitat and macrohabitat observations are missing since no video groundtruthing had been conducted in this area at the time of publication. |
Conceptual Consistency |
Polygon topology present. Each polygon has a label and all polygons are closed. |
» Quality Control Procedures Employed |
Data Management
» Have Resources for Management of these Data Been Identified? | |
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» Approximate Percentage of Budget for these Data Devoted to Data Management | |
» 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
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Process Steps
Process Step Number | 1 |
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» Description |
Geotiff images were converted to raw binary files and processed according to: Cochrane, G.R., and K.D. Lafferty, 2002. Use of acoustic classification of side scan sonar data for mapping benthic habitat in the Northern Channel Islands, California. Continental Shelf Research. 22: 683-690.The raw entropy, homogogeneity, and side scan images were imported into Leica Geosystems Imagine software and stacked into a single multispectral file. Training signatures were digitized into three classes representing hard, mixed, and soft sediment. Supervised classification was then performed using a maximum likelihood decision rule. The multispectral file was then converted to a grey scale image and reclassed to 3 categories representing the same as the digitized signatures. Individual sediment class images were exported as raw binary files and imported into Adobe Photoshop where misclassified pixels were removed or reclassed with help of digital overlay with the side scan image. Each sediment class image was then reimported into Erdas and then all merged into a single file where the final product was exported as a Geotiff representing seafloor sediment hardness. The Majority Filter command in ArcInfo (with Eight|Half parameters) was run on the image to reduce the number of features, essentially smoothing the data through a neighborhood analysis. The raster image was then converted to polygon features in ArcInfo. Sediment grab data and video information were used as a validation tool. Where video data existed, polygons were manually split to attach macrohabitat attributes. |
Process Date/Time | 2005-01-01 00:00:00 |
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Acquisition Information
Instruments
Instrument Unavailable Reason |
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Platforms
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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 | 40065 |
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Metadata Record Created By | Tyler Christensen |
Metadata Record Created | 2017-04-05 14:27+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2023-05-30 18:09+0000 |
Metadata Record Published | 2018-02-08 |
Owner Org | ONMS |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2018-02-08 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2019-02-08 |
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