PING-Mapper: open-source software for automated benthic imaging and mapping using recreation-grade sonar

This is a Preprint and has not been peer reviewed. The published version of this Preprint is available: https://doi.org/10.1029/2022EA002469. This is version 3 of this Preprint.

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Authors

Cameron Bodine , Daniel David Buscombe , Rebecca J Best, Jennylyn A Redner, Adam J Kaeser

Abstract

The characterization of benthic habitats is essential for aquatic ecosystem science and management, but is frequently limited by waterbody visibility and depth. Recreation-grade side scan sonar systems are increasingly used to aid scientific inquiries in shallow water due to their relative low-cost, ease of operation, low-weight, and ease of mounting on a variety of vessels. However, existing procedures and software for post-processing these data are either limited, closed source, or fail on data from new sonar models; limiting development of reproducible workflows. Here we present PING-Mapper, an open source and freely available side scan sonar post-processing toolset for processing and mapping sonar recordings from popular Humminbird instruments. The modular software automatically: 1) decodes sonar recordings from any Humminbird system; 2) exports ping attributes from every sonar channel; 3) uses sonar sensor depth for water column removal; and 4) exports sonogram tiles and georectified mosaics. Sonar channels are processed in parallel for quick decoding and metadata extraction. Workflows for major processing workflows including georectification and image export scale with computing resources. The software has been extensively tested using data from several river distributaries of varying character and distribution of depths, but could also be used in estuarine and lacustrine environments. Usage of PING-Mapper is illustrated in three case studies focused on mapping large woody debris, bathymetric mapping, and visual interpretation and mapping of substrates for select reaches of the Pearl and Pascagoula river systems in Mississippi.

DOI

https://doi.org/10.31223/X5XP8Q

Subjects

Environmental Monitoring, Hydrology, Natural Resources and Conservation

Keywords

Acoustic remote sensing, Sidescan sonar, Benthic habitat

Dates

Published: 2022-06-14 12:30

Last Updated: 2022-06-15 16:11

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License

CC BY Attribution 4.0 International

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Conflict of interest statement:
None

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