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Summary

Short Citation
OCM Partners, 2025: St. John 2012 and St. Thomas 2010 Orthographic Imagery, https://www.fisheries.noaa.gov/inport/item/49488.
Full Citation Examples

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

Distribution Information

Access Constraints:

None

Use Constraints:

Acknowledgment of the United States Army Corps of Engineers would be appreciated for products derived from these data.

Controlled Theme Keywords

imageryBaseMapsEarthCover

Child Items

No Child Items for this record.

Contact Information

Point of Contact
NOAA Office for Coastal Management (NOAA/OCM)
coastal.info@noaa.gov
(843) 740-1202
https://coast.noaa.gov

Metadata Contact
NOAA Office for Coastal Management (NOAA/OCM)
coastal.info@noaa.gov
(843) 740-1202
https://coast.noaa.gov

Extents

Geographic Area 1

-64.80672° W, -64.593724° E, 18.40466° N, 17.749194° S

Time Frame 1
2012-01-01 - 2012-12-27