Horizontal Accuracy Issues During MBES Surveys

Dominik Iwen 1

1Polish Navy, Gdynia, Poland

DOI: 10.1515/aon-2017-0005

ABSTRACT

High-resolution Multibeam Echosounder shallow water surveys should not be performed
with DGPS (Differential Global Positioning System), especially where feature detection
is a priority. Despite the fact that International Hydrographic Organization most demanding
Special Order Specification allows for 2 meters horizontal positioning level, it poorly
interacts with horizontal centimetric level nadir footprint, causing degradation of bathymetric data.

KEYWORDS

Multibeam Echosounder, bathymetric survey.

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