Wrecks on the Seabed R2: Assessing Evaluating and Recording (Liberator)

The project comprised the development and testing of a number of methodologies for the rapid assessment, evaluation and recording of wreck sites. The main aim of the project was to provide industry, regulators and contractors with a framework for the incremental, decision-oriented investigation of wreck sites and with guidance on their archaeological assessment, evaluation and recording. The objectives were: - Develop and refine methodologies for assessing, evaluating and recording sites in deeper water. - Assess the effectiveness of undertaking archaeological recording using remote operated vehicle (ROV) and geophysical techniques only. - Assess environmental issues (e.g. depth, distance from port, fetch) in respect of working on sites in deeper water. - Assess infrastructure issues (e.g. anchoring, tow cable handling, umbilical handling) in respect of working on sites in deeper water. Year two of Round two of the Wrecks on the Seabed project comprised deep water ROV survey of three wrecks. This dataset relates to the first of these wrecks, an unknown B-24 Liberator bomber, and comprises databases relating to the Wessex Archaeology DIVA dive recording system, GIS shapefiles for the dive tracklogs of the ROV and video stills from the survey.本项目包含多款沉船遗址快速勘察、评估与记录方法的开发与测试工作。 本项目的核心目标是为行业、监管机构与承包商提供一套用于沉船遗址渐进式、决策导向型勘察的框架，以及相关考古勘察、评估与记录的指导规范。 项目具体目标如下： 1. 开发并优化深水沉船遗址的勘察、评估与记录方法体系； 2. 评估仅采用遥控无人潜水器（Remotely Operated Vehicle，ROV）与地球物理技术开展考古记录工作的有效性； 3. 评估深水沉船遗址作业面临的各类环境问题（如作业水深、距港口距离、风程等）； 4. 评估深水沉船遗址作业涉及的各类基础设施问题（如锚泊操作、拖曳缆处理、脐带缆处理等）。 ‘海底沉船（Wrecks on the Seabed）’项目第二轮第二年度的工作内容为对三艘沉船开展深水遥控无人潜水器勘察。 本数据集对应本次勘察的首艘沉船——一架身份不明的B-24‘解放者’轰炸机，包含与韦塞克斯考古（Wessex Archaeology）DIVA潜水记录系统相关的数据库、遥控无人潜水器潜水航迹日志的地理信息系统（Geographic Information System，GIS）形状文件，以及本次勘察采集的视频静帧素材。