Accuracy Assessment Field Data for Benthic Habitat Maps of Palau
National Centers for Coastal Ocean Science
Data Set
(DS)
| ID: 39423
| Published / External
Created: 2017-04-05
|
Last Modified: 2023-10-17
Project (PRJ) | ID: 37195
ID: 39423
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | Accuracy Assessment Field Data for Benthic Habitat Maps of Palau |
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Short Name | palau_aa |
* Status | Completed |
Creation Date | |
Revision Date | |
• Publication Date | 2006-08-04 |
* » Abstract |
This project is a cooperative effort among the National Ocean Service, National Centers for Coastal Ocean Science, Center for Coastal Monitoring and Assessment; the University of Hawaii; IMSG; and Analytical Laboratories of Hawaii, LLC. The goal of the work was to incorporate previously developed mapping methods to produce coral reef habitat maps for The Republic of Palau. GPS field observations were used to establish the thematic accuracy of this thematic product. 623 benthic habitat characterizations were completed in UTM Zone 53N for this work. |
* Purpose |
The National Ocean Service is preparing digital map products of these biotic resources and coordinates a long-term monitoring program that can detect and predict change in U.S. coral reefs, and their associated habitats and biological communities. The goal of the work was to implement previously developed coral reef mapping methods to produce GIS map products of benthic habitats by photo interpreting ortho-rectified remotely sensed imagery. These Accuracy Assessment point data were generated to assess the thematic accuracy of these habitat maps. |
Notes |
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Other Citation Details | |
• Supplemental Information | |
DOI (Digital Object Identifier) | |
DOI Registration Authority | |
DOI Issue Date |
Keywords
Theme Keywords
Thesaurus | Keyword |
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ISO 19115 Topic Category | environment |
ISO 19115 Topic Category | oceans |
NOS Data Explorer Topic Category | Environmental Monitoring |
None | coral reef |
None | coralline algae |
None | cover |
None | habitat |
None | oceans |
None | point |
None | reef |
None | structure |
None | submerged aquatic vegetation |
None | unconsolidated sediments |
None | zone |
Temporal Keywords
Thesaurus | Keyword |
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* Spatial Keywords
Thesaurus | Keyword |
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None | Republic of Palau |
Stratum Keywords
Thesaurus | Keyword |
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Instrument Keywords
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Platform Keywords
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Physical Location
• » Organization | National Centers for Coastal Ocean Science |
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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 | None Planned |
Maintenance Note | |
» Data Presentation Form | vector digital data |
• Entity Attribute Overview | |
Entity Attribute Detail Citation | |
Entity Attribute Detail URL | |
Distribution Liability |
The National Oceanic and Atmospheric Administration (NOAA) National Centers for Coastal Ocean Science (NCCOS) will publish this data on CD-ROM. NCCOS Biogeography Program does not guarantee the accuracy of the geographic features or attributes. Please see the metadata records for each data set for complete information on the source, limitations, and proper use. |
Data Set Credit |
Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2006-08-04 |
Date Effective To | |
Position | NCCOS Scientific Data Coordinator |
Email Address | NCCOS.data@noaa.gov |
Phone | |
Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | Distributor |
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* » Date Effective From | 2006-08-04 |
Date Effective To | |
Position | NCCOS Scientific Data Coordinator |
Email Address | NCCOS.data@noaa.gov |
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Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | Metadata Contact |
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* » Date Effective From | 2006-08-04 |
Date Effective To | |
Position | NCCOS Scientific Data Coordinator |
Email Address | NCCOS.data@noaa.gov |
Phone | |
Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | Point of Contact |
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* » Date Effective From | 2006-08-04 |
Date Effective To | |
Position | NCCOS Scientific Data Coordinator |
Email Address | NCCOS.data@noaa.gov |
Phone | |
Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | Principal Investigator |
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* » Date Effective From | 2006-08-04 |
Date Effective To | |
Person | Battista, Tim |
Email Address | tim.battista@noaa.gov |
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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 | 134.215454 |
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* » E° Bound | 134.644087 |
* » N° Bound | 7.80491 |
* » S° Bound | 7.271558 |
* » 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 | Range |
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* » Start | 2006 |
End | 2007 |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
Spatial Information
Spatial Resolution
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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
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Complex Object Present? | |
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Composite Object Present? | |
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Curve Object Present? | |
Curve Object Count | |
Point Object Present? | Yes |
Point Object Count | 623 |
Solid Object Present? | |
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Vector Representation
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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 |
Contact NOAA for distribution options (see Distributor).; |
• » Data Access Constraints |
None |
• Data Use Constraints |
Not for navigation |
Metadata Access Constraints | |
Metadata Use Constraints |
Distribution Information
Start Date | |
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» Download URL | http://coastalscience.noaa.gov/datasets/ccma/biogeo/palau/aap/Palau_AccuracyAssessment.zip |
Distributor | |
File Name | |
Description |
Downloadable Data |
File Date/Time | |
File Type (Deprecated) | ESRI Shapefile |
Distribution Format | Shapefile |
File Size | |
Application Version | |
Compression | |
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» Download URL | |
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Description | |
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Compression | |
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Archive Information
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URLs
URL | http://coastalscience.noaa.gov/datasets/ccma/biogeo/palau/aap/Palau_AccuracyAssessment.zip |
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Name | |
URL Type | Online Resource |
File Resource Format | |
Description |
URL | http://ccma.nos.noaa.gov/products/biogeography/palau/data/ |
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Name | |
URL Type | Online Resource |
File Resource Format | |
Description |
URL | http://ccma.nos.noaa.gov/products/biogeography/palau/ |
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Name | |
URL Type | Online Resource |
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Description |
Activity Log
Activity Time | 2013-07-25 |
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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 | 2017-11-01 |
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Activity Type | |
Responsible Party | |
Description |
Replaced entire Lineage section to populate new Source Contribution field. |
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
Issue Date | |
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Issue |
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Author | |
Issue |
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Author | |
Issue |
Technical Environment
Description |
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 1; ESRI ArcCatalog 9.0.0.535 |
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Data Quality
Representativeness | |
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Accuracy |
The geographic coordinate positions of the points in this thematic data were acquired by GPS using a Trimble GeoExplorer 3 with a customized data dictionary designed to reflect the NOAA Coral Classification Scheme for Benthic Habitats of the Pacific. All habitat determinations were made in the field, recorded in the GPS data logger and seamlessly transferred to ArcView GIS using Trimble Path Finder Office Software. |
Analytical Accuracy | |
Horizontal Positional Accuracy |
Point positional accuracy is determined by two tests producing circular RMS statistics. First, point GPS data were acquired by repeated occupation of a registered survey monument that has been recently recovered and positioned using survey grade GPS buy the National Geodetic Survey. Second, replicate GPS positions were collected after navigating to a way point by boat to estimate the positional error generated from variables due to environmental conditions offshore. The 95% sigma RMS accuracy error was calculated to be 0.97 meters and the precision calculated to be 0.84 meters on 141 measurements on registered monuments. The navigation accuracy error was calculated to be 1.36 meters with precision calculated to be 1.11 meters. Each GPS measurement was the average of 100 GPS positions. Thus, all point features in these accuracy assessment data meet the NOAA contract standard of 95% sigma of 5 meters. |
Vertical Positional Accuracy | |
Quantitation Limits | |
Bias | |
Comparability | |
Completeness Measure | |
Precision | |
Analytical Precision | |
Field Precision | |
Sensitivity | |
Detection Limit | |
Completeness Report |
Data are complete for the entire main archipelago of Palau. Habitat attributes are determined by direct observation in the field. These data are considered truth at the time of collection. Habitat types are subject to change over time due to population dynamics of the dominant biological communities. |
Conceptual Consistency |
These data were objectively managed. They were with held from the photo interpreter during map making. The Coral Reef Assessment and Monitoring Program (CRAMP) of the Hawaii Institute of Marine Biology (HIMB) maintained these data at facilities other than ALH. Ultimately, these data were used to prepare the error matrix upon when the statistical report of the thematic accuracy of the maps was generated.Transfer of the habitat assessment data is seamless from the field determination to the final GIS product. The data is not transcribed or rewritten by hand. Errors in processing are not expected. |
» 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
Citation Title | Classification Scheme for Benthic Habitats of the Pacific |
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Contact Role Type | |
Contact Type | |
Contact Name | M.S. Coyne |
Publish Date | 2003-01-01 |
Extent Type | Discrete |
Extent Start Date/Time | 2003 |
Extent End Date/Time | |
Scale Denominator | |
Citation URL | http://ccma.nos.noaa.gov/ecosystems/coralreef/palau_fas_mapping.aspx |
Citation URL Name | |
Citation URL Description | |
Source Contribution |
This document identifies the zone and habitat types attributed in the GIS data. | Source Geospatial Form: document | Type of Source Media: publication |
Citation Title | Random Point Generator |
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Contact Role Type | |
Contact Type | |
Contact Name | Jeff Henness |
Publish Date | 2001-06-15 |
Extent Type | Discrete |
Extent Start Date/Time | 2001-06-15 |
Extent End Date/Time | |
Scale Denominator | |
Citation URL | http://arcscripts.esri.com/details.asp?dbid=11605 |
Citation URL Name | |
Citation URL Description | |
Source Contribution |
Random points were generated to test the accuracy of benthic habitat maps. The points were stratified on detailed class. | Type of Source Media: Software |
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Scale Denominator |
Process Steps
Process Step Number | 1 |
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» Description |
After photo interpretation was completed, at minimum of 25 random geographically referenced points were acquired in each detailed benthic structure and cover class. This is done using a random point generator program obtained from the ESRI website, which generates random points inside an ArcView GIS polygon class. Waypoint files are generated from these random points and all waypoints, which could be safely accessed, are navigated to using a Trimble GeoExplorer 3 GPS data logger and a benthic habitat characterization was conducted. Eight test areas have been defined and the final data set meets the goal of 25 points per detailed structure and cover habitat. |
Process Date/Time | 2007-01-01 00:00:00 |
Process Contact | |
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Email Address | |
Source | Random Point Generator |
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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 | 39423 |
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Metadata Record Created By | Tyler Christensen |
Metadata Record Created | 2017-04-05 12:52+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2023-10-17 16:12+0000 |
Metadata Record Published | 2018-02-08 |
Owner Org | NCCOS |
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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