Analyzing Uncertainty in Multibeam Bathymetric Data and the Impact on Derived Seafloor Attributes. Issue 1 (2nd January 2016)

• Record Type: Journal Article
• Authors: Lucieer, Vanessa; Huang, Zhi; Siwabessy, Justy
• Is Part Of: Marine geodesy. Volume 39:Issue 1(2016)
• Page Start: 32
• Page End: 52
• Publication Date: 2016-01-02
• Subjects: Multibeam bathymetry -- seabed mapping -- uncertainty; Marine geodesy -- Periodicals; Hydrographic surveying -- Periodicals; 526.99
• DOI: 10.1080/01490419.2015.1121173
• Languages: English
• ISSNs: 0149-0419

Abstract

ABSTRACT: Multibeam bathymetric data provide critical information for the modeling of seabed geology and benthic biodiversity. The accuracy of these models depends on the accuracy of the bathymetric data, which contain uncertainties that are stochastic at individual soundings but exhibit a distinct spatial distribution with increasing magnitude from nadir to the outer beams. A restricted spatial randomness method that simulates both the stochastic and spatial characteristics of the data uncertainty performed better than a complete spatial randomness method in analyzing the impact of bathymetric data uncertainty on derived seafloor attributes.