LiDAR Relative Reflectivity Surface (2011) for Fish Bay, St. John

Metadata Updated: November 12, 2020

This image represents a LiDAR (Light Detection & Ranging) 0.3x0.3 meter resolution relative seafloor reflectivity surface for Fish Bay, St. John in the U.S. Virgin Islands (USVI). The image's horizontal coordinate system is NAD83 UTM 20 North. Fugro LADS, funded by the National Oceanic & Atmospheric Administration (NOAA) , acquired bathymetry and relative seafloor reflectivity between 1/29/2011 - 2/28/2011. Bathymetry and reflectivity data were acquired using a LADS (Laser Airborne Depth Sounder) Mark II Airborne System from altitudes between 1,200 and 2,200ft at ground speeds between 140 and 175 knots. The 900 Hertz Nd: YAG (neodymium-doped yttrium aluminum garnet) laser (1064 nm) acquired 3x3 meter spot spacing and 200% seabed coverage. Depths between 3 and 40 m were surveyed, producing a 3x3 m bathymetry and 3x3 m reflectivity surface. These surfaces were resampled to 0.3x0.3 m to match the spatial resolution of the orthophotos collected by the U.S. Army Corps of Engineers in 2012. Environmental factors such as wind strength and direction, cloud cover, water clarity and depth influenced the area of data acquisition on a daily basis. The data was processed using the LADS Mark II Ground System and data visualization, quality control and final products were created using CARIS HIPS and SIPS and CARIS BASE Editor. All users should individually evaluate the suitability of this data according to their own needs and standards.

Access & Use Information

License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Date March 28, 2018
Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020
Reference Date(s) November 30, 2013 (publication)
Frequency Of Update notPlanned

Metadata Source

Harvested from CoRIS Native ISO Metadata

Additional Metadata

Resource Type Dataset
Metadata Date March 28, 2018
Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020
Reference Date(s) November 30, 2013 (publication)
Responsible Party National Oceanic & Atmospheric Administration, National Centers For Coastal and Ocean Science, Center for Coastal Monitoring and Assessment (Originator)
Contact Email
Guid corisid:6933
Access Constraints
Bbox East Long -64.744337
Bbox North Lat 18.32454
Bbox South Lat 18.297296
Bbox West Long -64.783455
Coupled Resource
Frequency Of Update notPlanned
Licence NOT TO BE USED FOR NAVIGATION. Please cite the National Oceanic & Atmospheric Administration (NOAA), National Centers for Coastal Ocean Science (NCCOS) in any use of this data.
Metadata Language eng; USA
Metadata Type geospatial
Progress completed
Spatial Data Service Type
Spatial Reference System 0
Spatial Harvester True
Temporal Extent Begin 2011-01-29
Temporal Extent End 2011-02-28

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