St. John 2012 and St. Thomas 2010 Orthographic Imagery
OCM Partners
Data Set
(DS)
| ID: 49488
| Published / External
Created: 2017-11-15
|
Last Modified: 2023-05-30
Project (PRJ) | ID: 49403
ID: 49488
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | St. John 2012 and St. Thomas 2010 Orthographic Imagery |
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Short Name | 2010_usace_stjohn_stthomas |
* Status | Completed |
Creation Date | |
Revision Date | |
• Publication Date | 2012-12-27 |
* » Abstract |
This file is a single ESRI raster catalog comprised of a collection of individual GeoTIFFs of the islands of St. John and St. Thomas (USVI). An orthographic aerial image is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation have been mathematically removed. Orthographic imagery combines the image characteristics of a photograph with the geometric qualities of a map. The source imagery was obtained from January 2012 through March 2012 and used to produce orthophotos with a 0.3 meter (approximately 1 foot) ground sample distance (GSD). The raw imagery was captured at 12-bit radiometric resolution and converted to 8-bit radiometry during post processing. The imagery was captured with approximately 60% forward overlap between adjacent exposures and 30% sidelap between all adjacent flight lines utilizing a Z/I Imaging DMC-II 230 digital sensor. The orthographic imagery is available as 4-band (RGBI) GeoTIFF formatted digital images. The projected coordinate system is State Plane Puerto Rico / US Virgin Islands (Zone 5200), NAD 83, GRS 80, Units Meters. Original contact information: Contact Org: U.S. Army Corps of Engineers, Jacksonville District, Geomatics Section Phone: 904-232-2214 Email: ted.n.schall@usace.army.mil |
* Purpose |
The purpose of the project is to provide the United States Army Corps of Engineers with updated digital orthographic aerial imagery covering all of the Commonwealth of Puerto Rico and the U.S. Virgin Islands. The Corps regularly uses digital orthographic imagery to support regulatory, land management and acquisition, planning, engineering and habitat restoration projects. The data may also become available to local, state and other federal agencies for their specific management and analysis needs. |
Notes |
11934 |
Other Citation Details | |
• Supplemental Information |
The data design specifications for this product includes several directed to insure its quality, consistency, and usability. These specifications address some of the technical issues associated with orthoimage production: 1) the tops of buildings and other structures elevated above the surface of the ground 'tilt' away from the center point of the source imagery and from their own bases as a result of perspective and their height which is not compensated for in digital elevation models of the ground surface and 2) individual orthoimages may be assembled from several source aerial images. |
DOI (Digital Object Identifier) | |
DOI Registration Authority | |
DOI Issue Date |
Keywords
Theme Keywords
Thesaurus | Keyword |
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ISO 19115 Topic Category | imageryBaseMapsEarthCover |
None | framework |
None | orthoimage |
None | Remotely Sensed Imagery/Photos |
Temporal Keywords
Thesaurus | Keyword |
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* Spatial Keywords
Thesaurus | Keyword |
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None | St. John |
None | St. Thomas |
None | U.S. Virgin Islands |
Stratum Keywords
Thesaurus | Keyword |
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Instrument Keywords
Thesaurus | Keyword |
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Platform Keywords
Thesaurus | Keyword |
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Physical Location
• » Organization | Office for Coastal Management |
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• » City | 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 | Image (digital) |
• Entity Attribute Overview | |
Entity Attribute Detail Citation | |
Entity Attribute Detail URL | |
Distribution Liability |
Users must assume responsibility to determine the usability of these data. |
Data Set Credit |
Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2012-12-27 |
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 | Distributor |
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* » Date Effective From | 2012-12-27 |
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 | Metadata Contact |
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* » Date Effective From | 2012-12-27 |
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 | Point of Contact |
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* » Date Effective From | 2012-12-27 |
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 | |
Date Effective To | |
* » Contact | |
* Contact Instructions |
* » Support Role | |
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* » Date Effective From | |
Date Effective To | |
* » Contact | |
* Contact Instructions |
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* » Date Effective From | |
Date Effective To | |
* » Contact | |
* Contact Instructions |
Extents
Currentness Reference | Date of image acquisition |
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Extent Group 1
Extent Description |
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Extent Group 1 / Geographic Area 1
* » W° Bound | -64.80672 |
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* » E° Bound | -64.593724 |
* » N° Bound | 18.40466 |
* » S° Bound | 17.749194 |
* » 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 | 2012-01-01 |
End | 2012-12-27 |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
Spatial Information
Spatial Resolution
Angular Distance | |
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Angular Distance Units | |
Horizontal Distance | |
Horizontal Distance Units | |
Vertical Distance | |
Vertical Distance Units | |
Equivalent Scale Denominator | |
Level of Detail Description |
Spatial Representation
Grid Representation Used? | Yes |
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Vector Representation Used? | |
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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Curve Object Present? | |
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Point Object Present? | |
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Surface Object Present? | |
Surface Object Count |
Reference Systems
Reference System
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Access Information
* » Security Class | Unclassified |
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* Security Classification System | |
Security Handling Description | |
• Data Access Policy | |
» Data Access Procedure | |
• » Data Access Constraints |
None |
• Data Use Constraints |
Acknowledgment of the United States Army Corps of Engineers would be appreciated for products derived from these data. |
Metadata Access Constraints | |
Metadata Use Constraints |
Distribution Information
Start Date | |
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End Date | |
» Download URL | |
Distributor | |
File Name | |
Description | |
File Date/Time | |
File Type | |
FGDC Content Type | |
File Size | |
Application Version | |
Compression | |
Review Status |
Start Date | |
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End Date | |
» Download URL | |
Distributor | |
File Name | |
Description | |
File Date/Time | |
File Type | |
FGDC Content Type | |
File Size | |
Application Version | |
Compression | |
Review Status |
Start Date | |
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End Date | |
» Download URL | |
Distributor | |
File Name | |
Description | |
File Date/Time | |
File Type | |
FGDC Content Type | |
File Size | |
Application Version | |
Compression | |
Review Status |
URLs
URL | https://coast.noaa.gov/digitalcoast/ |
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Name | |
URL Type | Online Resource |
File Resource Format | |
Description |
URL | |
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Name | |
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Description |
URL | |
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Name | |
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File Resource Format | |
Description |
URL | |
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Name | |
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Description |
Activity Log
Activity Time | 2016-05-23 |
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Activity Type | |
Responsible Party | |
Description |
Date that the source FGDC record was last modified. |
Activity Time | 2017-11-14 |
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Activity Type | |
Responsible Party | |
Description |
Converted from FGDC Content Standard for Digital Geospatial Metadata (version FGDC-STD-001-1998) using 'fgdc_to_inport_xml.pl' script. Contact Tyler Christensen (NOS) for details. |
Activity Time | 2018-02-08 |
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Activity Type | |
Responsible Party | |
Description |
Partial upload of Positional Accuracy fields only. |
Activity Time | 2018-03-13 |
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Activity Type | |
Responsible Party | |
Description |
Partial upload to move data access links to Distribution Info. |
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Description |
Issues
Issue Date | |
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Issue |
Issue Date | |
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Author | |
Issue |
Issue Date | |
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Author | |
Issue |
Technical Environment
Description |
Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; ESRI ArcGIS 10.0.3.3600 |
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Data Quality
Representativeness | |
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Accuracy | |
Analytical Accuracy | |
Horizontal Positional Accuracy |
Horizontal positional accuracy of the set of orthographic images was determined by comparing the positions of twenty well defined points within the orthographic imagery to their corresponding field positions as determined by GPS positioning methods. The comparison of the ortho and field collected data resulted in the determination of the following statistics: Horizontal Root Mean Square Error (RMSEh) = 0.60 meters; Horizontal Standard Deviation (Sh) = 0.28 meters; National Standard for Spatial Data Accuracy Circular Error (NSSDAcircular) = 1.03 meters.; Quantitative Value: 1.03 meters, Test that produced the value: Horizontal positional accuracy of the set of orthographic images was determined by comparing the positions of twenty well defined points within the orthographic imagery to their corresponding field positions as determined by GPS positioning methods. The comparison of the ortho and field collected data resulted in the determination of the following statistics: Horizontal Root Mean Square Error (RMSEh) = 0.60 meters; Horizontal Standard Deviation (Sh) = 0.28 meters; National Standard for Spatial Data Accuracy Circular Error (NSSDAcircular) = 1.03 meters. |
Vertical Positional Accuracy | |
Quantitation Limits | |
Bias | |
Comparability | |
Completeness Measure | |
Precision | |
Analytical Precision | |
Field Precision | |
Sensitivity | |
Detection Limit | |
Completeness Report |
These data cover all of the islands of the US Virgin Islands. These specifications address some of the technical issues associated with orthoimage production: 1) the tops of buildings and other structures elevated above the surface of the ground 'tilt' away from the center point of the source imagery and from their own bases as a result of perspective and their height which is not compensated for in digital elevation models of the ground surface and 2) individual orthoimages may be assembled from several source aerial images. |
Conceptual Consistency |
These specifications address some of the technical issues associated with orthoimage production: 1) the tops of buildings and other structures elevated above the surface of the ground 'tilt' away from the center point of the source imagery and from their own bases as a result of perspective and their height which is not compensated for in digital elevation models of the ground surface and 2) individual orthoimages may be assembled from several source aerial images. |
» 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 | St. John 2012 and St. Thomas 2010 Orthographic Imagery |
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Contact Role Type | |
Contact Type | |
Contact Name | United States Army Corps of Engineers |
Publish Date | 2012-12-27 |
Extent Type | Range |
Extent Start Date/Time | 2012-01-01 |
Extent End Date/Time | 2012-12-27 |
Scale Denominator | 2400 |
Citation URL | |
Citation URL Name | |
Citation URL Description | |
Source Contribution |
Flight planning, image acquisition, image processing and image packaging. | Source Geospatial Form: remote-sensing image | Type of Source Media: disc |
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Citation URL Description | |
Scale Denominator |
Process Steps
Process Step Number | 1 |
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» Description |
This file is a single ESRI raster catalog comprised of a collection of individual GeoTIFFs of the island of St. John and St. Thomas (USVI). An orthographic aerial image is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation have been mathematically removed. Orthographic imagery combines the image characteristics of a photograph with the geometric qualities of a map. The source imagery was obtained from January 2012 through March 2012 and used to produce orthophotos with a 0.3 meter (approximately 1 foot) ground sample distance (GSD). The raw imagery was captured at 12-bit radiometric resolution and converted to 8-bit radiometry during post processing. The imagery was captured with approximately 60% forward overlap between adjacent exposures and 30% sidelap between all adjacent flight lines utilizing a Z/I Imaging DMC-II 230 digital sensor. The orthographic imagery is available as 4-band (RGBI) GeoTIFF formatted digital images. The projected coordinate system is State Plane Puerto Rico / US Virgin Islands (Zone 5200), NAD 83, GRS 80, Units Meters. |
Process Date/Time | 2012-12-27 00:00:00 |
Process Contact | |
Phone (Voice) | |
Email Address | |
Source | St. John 2012 and St. Thomas 2010 Orthographic Imagery |
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Acquisition Information
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FAQs
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Child Items
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Related Items
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Catalog Details
Catalog Item ID | 49488 |
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Metadata Record Created By | Anne Ball |
Metadata Record Created | 2017-11-15 15:15+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2023-05-30 18:09+0000 |
Metadata Record Published | 2018-03-13 |
Owner Org | OCMP |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2018-03-13 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2019-03-13 |
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