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Data Series 847

Coastal Bathymetry and Backscatter Data Collected in 2012 from the Chandeleur Islands, Louisiana

Index
Abstract
Introduction
Survey Overview and acquisition
Data Processing
Error Analysis
Survey Products
Data Downloads
Logs
Acronyms
References Cited
 

Survey Products

The images here are representations of the survey tracklines (figs. 3 and 5), DEM map product (fig. 6), DEM grid error (fig. 7), and the inerferometric backscatter map (fig. 8). The data files are available for download from the Data Downloads page.

TRACKLINES     BATHYMETRY
Image of single-beam bathymetry tracklines for Chandeleur Islands survey in 2012.
Figure 3. Single-beam bathymetry tracklines for Chandeleur Islands survey in 2012. [Click to enlarge.]
  Image of the 50-meter grid of 2012 bathymetry surrounding the Chandeleur Islands, Louisiana.
Figure 6. A 50-meter digital elevation model of 2012 bathymetry surrounding the Chandeleur Islands, Louisiana. [Click to enlarge.]
     
Image of swath bathymetry tracklines for Chandeleur Islands survey in 2012.
Figure 5. Swath bathymetry tracklines for Chandeleur Islands survey in 2012. [Click to enlarge.]
  Error values representing the difference between the bathymetry digital elevation model (DEM) at each sample point. White symbols represent acceptable system error of <0.000501 meters. Island area extent is derived from USGS lidar data collected in February 2012.
Figure 7. Error values representing the difference between the bathymetry digital elevation model (DEM) at each sample point. White symbols represent acceptable system error of <0.000501 meters. Island area extent is derived from USGS lidar data collected in February 2012. [Click to enlarge.]

Image of the 1-meter grid resolution of the interferometric backscatter for the Chandeleur Islands survey in 2012.
Figure 8. A 1-meter interferometric backscatter for the Chandeleur Islands survey in 2012. [Click to enlarge.]

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