Abstract
Abstract. The 2020 underwater archaeological research in the inlet of Torre Santa Sabina – Baia dei Camerini (Municipality of Carovigno, Brindisi, Italy) represented the first phase of the pilot intervention of the Interreg Italia-Croatia UnderwaterMuse project. The project aims to enhance and make accessible the vast underwater heritage of the areas involved; this will be done by creating submerged archaeological parks and using virtual reality's narrative and communicative tools and platforms. During the 2020 campaign, different survey activities were carried out using several techniques and methodology to produce the area's multi-scale documentation. First of all, the entire stretch of coast was mapped with UASs (Uncrewed Aerial Systems) flights to reconstruct the coastal landscape in various phases. Furthermore, an underwater photogrammetric survey carried out by expert scuba divers has been achieved in the wreck's aft area (the site analyzed during the 2020 excavation activities). The fruitful synergy between the various actors involved and the support of the territory and the community has allowed the achievement of this campaign's objectives, preliminary to the broader and more articulated intervention foreseen for the following year.
Highlights
In the last years, we assisted in the significant growth of photogrammetry applications in underwater environments
The adoption of low-cost sensors is becoming more common in recent days (Capra et al, 2015), and the possibility of processing and quickly obtain photogrammetric point clouds cannot be separated from the need for high metric accuracy, which is necessary for a trustworthy survey in cultural heritage documentation (Capra et al, 2017)
The presented results show that modern photogrammetric algorithms can provide a valuable alternative to direct surveys in the documentation of archaeological sites' excavation phases
Summary
We assisted in the significant growth of photogrammetry applications in underwater environments. The activities of the geomatics survey presented in this paper aim to provide reliable support for the spatial contextualization and the georeferentiation of the different data acquired during the 2020 archaeological excavation campaign of the shipwreck of Torre Santa Sabina and its surroundings (Figure 1). This investigation campaign is in continuity with the previous researches of the UniSalento project "L'Approdo Ritrovato" (from 2007 to 2012).
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