2008 OrthoImagery of Coastal North Carolina
OCM Partners
Data Set
(DS)
| ID: 49479
| Published / External
Created: 2017-11-15
|
Last Modified: 2023-05-30
Project (PRJ) | ID: 49403
ID: 49479
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | 2008 OrthoImagery of Coastal North Carolina |
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Short Name | 2008_northcarolina_DMC |
* Status | Completed |
Creation Date | |
Revision Date | |
• Publication Date | 2008 |
* » Abstract |
Submerged aquatic vegetation (SAV) is a term used to describe a variety of estuarine and marine plants, including sea grasses. SAV are an important habitat for migratory birds, particularly wintering waterfowl, and many fish species. SAV can also be used as an indicator of estuarine ecosystem health because of their sensitivity to degraded water quality. |
* Purpose |
Orthophotography was flown in coastal regions of North Carolina and southeastern Virginia in an effort to establish long term mapping and monitoring of SAV habitat in these areas. |
Notes |
12054 |
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 | imageryBaseMapsEarthCover |
None | 4 band orthophoto |
None | DOQQ Ortho |
None | image map |
None | orthoimage |
None | orthophoto |
None | rectified image |
None | Remotely Sensed Imagery/Photos |
Temporal Keywords
Thesaurus | Keyword |
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* Spatial Keywords
Thesaurus | Keyword |
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None | North Carolina |
None | Southeastern Virginia |
None | US |
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 | Unknown |
Maintenance Note | |
» Data Presentation Form | raster format data |
• Entity Attribute Overview |
4 band orthoimagery is comprised of blue, green, red , and infrared channels. Each image pixel is assigned a triplet of numeric values, one for each color band. Numeric values range from 0 to 255. Areas where data is incomplete due to lack of full image coverage are represented with the numeric value of 0. |
Entity Attribute Detail Citation |
U.S. Department of the Interior, U.S. Geological Survey, 1996, Standards for Digital Orthophotos: Reston, VA. |
Entity Attribute Detail URL | |
Distribution Liability |
Users must assume responsibility to determine the usability of these data. |
Data Set Credit | Aero-Metric, INC |
Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2008 |
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 | 2008 |
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 | 2008 |
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 | 2008 |
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 |
* » Support Role | |
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* » Date Effective From | |
Date Effective To | |
* » Contact | |
* 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 | -78.628138 |
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* » E° Bound | -75.317003 |
* » N° Bound | 36.853007 |
* » S° Bound | 33.758208 |
* » 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 | 2007-10-12 |
End | 2008-05-27 |
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
Topology Level | |
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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? | |
Point Object Count | |
Solid Object Present? | |
Solid Object Count | |
Surface Object Present? | |
Surface Object Count |
Reference Systems
Reference System
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Vertical Resolution |
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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 |
All orthophotography is the property of NOAA Office for Coastal Management and NCDENR |
• Data Use Constraints |
All orthophotography is the property of NOAA Office for Coastal Management and NCDENR. |
Metadata Access Constraints | |
Metadata Use Constraints |
Distribution Information
Start Date | |
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» Download URL | https://coast.noaa.gov/htdata/raster1/imagery/CoastalNC_2008_396 |
Distributor | |
File Name | Bulk Download |
Description |
Simple download of data files. |
File Date/Time | |
File 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 |
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 | |
URL Type | |
File Resource Format | |
Description |
URL | |
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Name | |
URL Type | |
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Description |
URL | |
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Name | |
URL Type | |
File Resource Format | |
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 (Federal Geographic Data Committee) CSDGM (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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Issues
Issue Date | |
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Author | |
Issue |
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Author | |
Issue |
Issue Date | |
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Author | |
Issue |
Technical Environment
Description |
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.1850 |
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Data Quality
Representativeness | |
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Accuracy | |
Analytical Accuracy | |
Horizontal Positional Accuracy |
The spatial accuracy of the georeferenced imagery at the 95% confidence level, computed in accordance with the FGDC National Standard for Spatial Data Accuracy (NSSDA), shall be 3 m or better. Surveyed orthophoto checkpoints were used to independently measure RMSE values and compute the horizontal accuracy values.; Quantitative Value: 2.378 meters, Test that produced the value: RMSExy should be 4.08 meters or less. RMSEr should be 5.78 meters or less. ACCURACY r should be 3 meters or less at the 95% confidence level. Accuracy values measured from 25 surveyed checkpoints provide the following horizontal accuracy results. RMSEx=.930 meters, RMSEy=.957 meters RMSEr=1.374 meters ACCURACYr=2.378 meters |
Vertical Positional Accuracy | |
Quantitation Limits | |
Bias | |
Comparability | |
Completeness Measure | |
Precision | |
Analytical Precision | |
Field Precision | |
Sensitivity | |
Detection Limit | |
Completeness Report |
Orthophotos are visually verified for completeness against the DOQQ tile grid. This ensures all files are spatially validated and there are no voids or edge-matching issues between tiles. |
Conceptual Consistency |
Data covers areas identified by NOAA Office for Coastal Management and NCDENR. Orthophotos were tiled to the standard USGS DOQQ grid, with a small (~100 m) buffer produced with each tile to prevent gaps in coverage. Compliance with the accuracy standard was ensured by the collection of photo identifiable GPS ground control after the acquisition of aerial imagery. |
» 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 | DEM |
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Contact Role Type | |
Contact Type | |
Contact Name | North Carolina Floodplain Mapping Program (NCFMP). DEM data can be downloaded at: http://floodmaps.nc.gov/fmis/Download_LIDAR.aspx |
Publish Date | 2008-01-01 |
Extent Type | Discrete |
Extent Start Date/Time | 2007 |
Extent End Date/Time | |
Scale Denominator | |
Citation URL | |
Citation URL Name | |
Citation URL Description | |
Source Contribution |
Used to provide ground elevations for orthorectification process. | Type of Source Media: external hard drive |
Citation Title | North Carolina Aerotriangulation |
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Contact Role Type | |
Contact Type | |
Contact Name | AT |
Publish Date | 2008-01-01 |
Extent Type | Discrete |
Extent Start Date/Time | 2008 |
Extent End Date/Time | |
Scale Denominator | |
Citation URL | |
Citation URL Name | |
Citation URL Description | |
Source Contribution |
Used to provide photo exterior orientations for orthorectification process. | Type of Source Media: external hard drive |
Citation Title | North Carolina ground control |
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Contact Role Type | |
Contact Type | |
Contact Name | Dewberry and Davis LLC |
Publish Date | 2008-01-01 |
Extent Type | Range |
Extent Start Date/Time | 2007-10-12 |
Extent End Date/Time | 2008-05-27 |
Scale Denominator | |
Citation URL | |
Citation URL Name | |
Citation URL Description | |
Source Contribution |
Dewberry 's Raleigh, North Carolina office acquired photo identifiable ground control points during the acquisition of aerial imagery. The ground control points were established under the guidance of Buddy Lee, a Professional Land Surveyor in the State of North Carolina. | Type of Source Media: external hard drive |
Citation Title | North Carolina raw DMC imagery |
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Contact Role Type | |
Contact Type | |
Contact Name | Aero-Metric, Inc. |
Publish Date | 2008-01-01 |
Extent Type | Range |
Extent Start Date/Time | 2007-10-12 |
Extent End Date/Time | 2008-05-27 |
Scale Denominator | 1200 |
Citation URL | |
Citation URL Name | |
Citation URL Description | |
Source Contribution |
Source imagery for orthophoto production. | Type of Source Media: digital tape media |
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Scale Denominator |
Process Steps
Process Step Number | 1 |
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» Description |
The photography was captured by a Z/I DMC (Digital Modular Camera) system at 24,000' AMT (Above Mean Terrain). The photography was captured over 2 flying seasons. Flight lines 38, 39, 41, 42, 43, 44 and 45 were captured on 10/12/2007. Flight lines 33, 34, 35, 36, 37, 51, 52, 53, 54, 55, 56, 58, 59, 60 and 61 were captured on 10/13/2007. Flight lines 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 and 15 were captured on 10/14/2007. Flight lines 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 and 32 were captured on 10/15/2007. Flight lines 31, 40, 46, 47, 48, 49, 50 and 57 were captured on 05/27/2008. The DMC images were aerotriangulated to support digital ortho image production for the coast of North Carolina and Southeastern Virginia. Airborne GPS and ground check point data was provided by AERO-METRIC, Inc. The project was referenced to the North American Datum of 1983 (NAD83) with the 2007 NSRS Adjustment, State Plane Coordinate System 1983, North Carolina horizontally and to the North American Vertical Datum of 1988 (NAVD88) vertically. Units were in Meters. The DMC images, ABGPS data, and ground check point data were used as inputs to the Zeiss/Intergraph ImageStation Automatic Triangulation (ISAT) softcopy program. ISAT correlated image points and aerotriangulated the block of images to create exposure station exterior orientations. All ground checkpoints were manually measured on the imagery. These ground checkpoints were included in the aerotriangulation adjustments as unconstrained points for absolute ground location verification. Rectification was done using the aerotriangulation data, raw DMC images, and DEM data provided by the North Carolina Floodplain Mapping Program (NCFMP). The DEM data was developed using LiDAR technology for specific floodplain mapping applications across the entire State of North Carolina. The LiDAR data was gridded to a 20 meter raster Digital Elevation Model (DEM). These rectified images were used to draw seamlines. The rectified images were mosaicked, balanced, and cut into final image sheets. The final sheets were viewed and artifacts were removed as well as other edits performed. To help with SAV interpretation, individual orthophoto frames, named by flightline and frame, were delivered with the mosaicked orthophotos corresponding to the USGS DOQQ tile grid. Dewberry performed an independent QC of the imagery. Horizontal Accuracy was determined by comparing the coordinates of surveyed photo identifiable points to the coordinates of those points from the orthoimagery. A qualitative review of the orthoimagery was also performed to ensure the dataset was free of major discrepancies or issues such as cloud clover, mis-aligned bands, voids, water glint, and whitecaps and to ensure the dataset met the projects requirements and needs. |
Process Date/Time | 2008-01-01 00:00:00 |
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Acquisition Information
Instruments
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Platforms
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FAQs
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Child Items
Rubric scores updated every 15m
Score | Type | Title |
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Related Items
Item Type | Relationship Type | Title |
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Catalog Details
Catalog Item ID | 49479 |
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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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