Marine Geophysical Survey of a Medieval Shipwreck in Shallow Waters Using an Autonomous Surface Vehicle
A Case Study from Avaldsnes, Norway
Bibliographic Data
| ID | 12810779 |
|---|---|
| Authors | Hallgjerd H Ravnås (0000-0001-6789-0202, University of Stavanger, corresponding author), Thomas Meldahl Olsen (0009-0003-9096-6764, University of Stavanger), Wiktor Weibull (0000-0002-4785-5415, University of Stavanger), Håkon Reiersen (0000-0001-7429-2112, Stavanger Museum), Massimiliano Ditta (0000-0001-9453-625X, Stavanger Museum), Arild S Vivås (0009-0002-9862-3152, Stavanger Museum) |
| Year | 2023 |
| Volume | 18 |
| Issue | 4 |
| Pages | 707-731 |
| Publication date | 2023-12-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Journal of Maritime Archaeology (JOURNAL) |
| Journal identifiers | ISSN: 1557-2285 • E-ISSN: 1557-2293 |
| Publisher | Springer Nature (PUBLISHER • SG) |
| DOI | 10.1007/s11457-023-09384-1 |
| OpenAlex | W4390903248 |
| Language | EN |
| Citations received | 3 |
| References cited | 42 |
This study demonstrates the successful use of a single-channel chirp system mounted on an Autonomous Surface Vehicle (ASV) for detecting and mapping a partly buried medieval ship found in water approximately one meter (m) deep in a dynamic, intertidal environment at Avaldsnes, south-western Norway. The ASV's fast mobilization and access to areas otherwise difficult to reach, makes it an efficient, low-cost, and non-invasive platform for examining the seafloor and subsurface with high-resolution seismic data, acquired in a dense grid. Line spacing of 0.25 m allowed for the generation of a detailed 3D data cube, enabling effective interpretation of both acoustic vertical sections and horizontal amplitude maps. This approach empowered accurate identification of the outline of the wooden hull and provided information about ship dimensions and maximum burial depth. Structural elements observed in the geophysical datasets, including the keelson, raiders, and maststep, corroborates with findings from previous diving investigations and photogrammetry documentation. Moreover, the geophysical survey offers valuable additional knowledge of the buried ship remains, revealing a slight tilt of the keel and a substantial object buried in close proximity to the stern, probably the rudder or another wreck-related artefact
Geophysical survey · Keel · Marine engineering · Photogrammetry · Remote sensing · Seafloor Spreading · Waves and shallow water · Engineering · Marine animal studies overview · Maritime and Coastal Archaeology · Underwater Acoustics Research · Geology · Geophysics · Oceanography
Marine geo-archaeological mapping using Unmanned Surface Vehicle (USV). Case study
A Novel Approach for Autonomous Densely Spaced Acquisition of Buried Objects in Intertidal Environments—Field Examples From Avaldsnes, Norway
Correlation of Seismic Data and Sediment Cores From the Seabed in the Medieval Harbour at Avaldsnes, Norway
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| Unique citing works | 3 |
|---|---|
| Citations per year | 1,5 |
| Citation span | 2024 - 2025 (2) |
| Citation velocity | recent |
| Highly cited | No |
| Citation types | Neutral: 3 |