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Tumlehed is the most well‐preserved and complex prehistoric rock painting in the coastal region of south‐west Sweden. Originally reported and described in 1974, we re‐documented the panel using digital and IR photography, DStretch image enhancement software, and non‐destructive PXRF spectroscopy. This re‐documentation revealed a more complex image inventory with several previously unknown motifs and image details. The new data provide a better basis for identifying motif categories, the organization of the panel, the chronological sequence, and different frequentation periods. We report on the only known boats with an elk‐head stem in southern and western Scandinavian rock art, the emergence of rock art boat depictions in the region, and evidence for long‐distance maritime journeys and sea‐mammal hunting in the later Stone Age. Comparisons to similar images with shoreline data in Fennoscandia narrow the time range for the date of the painting to 4200–2500 BC.  相似文献   
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In the past few years there has been an increased interest in deep water archaeology, and a growing number of archaeological institutions now use remote sensing equipment and remotely operated vehicles (ROVs) to locate and investigate deep water archaeological sites. The article presents some important projects that have been carried out around the world. These include Norwegian projects. In Trondheim Harbour several shipwrecks have been located in relatively deep water. One of these wrecks was selected as an experimental site for testing new methods, and the results of this work, including documentation and excavation with ROVs and other robotic solutions, are presented. © 2000 The Nautical Archaeology Society  相似文献   
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