Art History & Archaeology
Permanent URI for this communityhttp://hdl.handle.net/1903/2214
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Item Swinging, Stillness, and Self-Reflection: An Experiential Approach to Campanian Oscilla(2023) May, Mekayla; Gensheimer, Maryl B.; Art History and Archaeology; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)Modern studies of Roman oscilla, in their focus on the Latin etymology of the term and their treatment of the iconography as standardized Dionysiac imagery, neglect the animation of—and subsequent viewer engagement with—the objects themselves. Oscilla were double-sided marble reliefs suspended in the intercolumniations of predominantly domestic atria and peristyles. This thesis develops an experiential methodology to study the oscillum’s form, context, and disposition and examines their presence in elite and sub-elite houses and in atria and peristyles. The traditional view has characterized oscilla as commodified ancient agrarian ornaments that depict standardized imagery fit for a garden space; I argue in this thesis that the oscillum’s presence within such inherently social spaces as the Roman atrium and peristyle warrants more scrutiny. No two discovered oscilla are the same, and it is the varied imagery and forms that visually and mentally stimulate the Roman viewer as he waits in the reception spaces of the atrium and peristyle to conduct business with the head of the household.I discuss the oscilla programs of three Campanian houses, where oscilla are displayed in various parts of the Roman house, in houses of diverse social strata, and in different levels of quality. My first case study, the House of the Telephus Relief in Herculaneum, offers an opportunity to begin reconstructing a wealthy ancient viewer’s cognitive experience as four tondi oscilla are reinstalled in situ. These oscilla depict scenes of active movement, urging the viewer’s physical engagement alongside his intellectual recognition of proper decorum in the socially and politically charged space of the atrium. In my second case study, I investigate the oscilla program in the peristyle of the House of Marcus Lucretius in Pompeii, where images of solitary masks and instruments provoke theatrical participation and recollection; the oscilla frame and simultaneously disrupt the framing of the theatrical garden to draw attention to the aristocratic viewer’s participation in social performances. Finally, at the House of Fortune in Pompeii, a freedman involved in trade commissioned numerous albeit poor-quality oscilla that pair scenes of conflict with those of cooperation to convince the viewer of the patron’s social and civic participation in the domestic sphere. Together, these case cases demonstrate the oscillum, a unique double-sided and suspended decorative object, inherently mobile and mutable, offered multifaceted experiences between the object’s two sides and for many different types of Roman viewers.Item Machine Learning Approaches to Archaeological Predictive Modeling in the Age of Wildfire, Lake Tahoe Basin Management Unit, California and Nevada(2023) van Rensselaer, Maximilian; Palus, Matthew; Art History and Archaeology; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)Machine learning is a powerful tool for archaeological prediction mapping. This thesis compares machine learning approaches to Middle and Late Archaic archaeological prediction in the Lake Tahoe Basin Management Unit, California and Nevada. Specifically, the analysis seeks to answer whether logistic regression, Random Forest, or Maximum Entropy models perform better at archaeological prediction. The explanatory variables used to predict site presence include elevation, slope, aspect, distance to streams, land cover, soil, and geology. Of all three models, Maximum Entropy produced the most accurate predictive models based on combined diagnostic metrics. Predictive modeling is a valuable tool in preventative archaeology, where identifying and mitigating adverse effects to archaeological sites in a time-efficient manner is critical. Environmental challenges such as uncontrolled wildfires provide an impetus for indigenous communities, management agencies, and researchers to employ predictive modeling approaches in preventative cultural and heritage resource management applications.Item On the Threshold: Visualizing Ambiguity in the Art and Experience of Ancient Roman Doorways(2022) Chen, Amanda Kane; Gensheimer, Maryl B.; Art History and Archaeology; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)Neither interior nor exterior, doors, thresholds, and passageways were regarded as powerful, yet ambiguous areas by the ancient Romans. Ancient myths and texts characterize thresholds as sites of magic and ritual and record that improper movements or interactions could enact misfortune or physical peril for those who transgressed the space. These concerns about the liminal nature of doorways are reflected in the art historical and archaeological records, where corridors are often decorated with charged images or inscriptions. This dissertation examines the wide variety of efficacious images that accompany domestic doorways in the cities of ancient south Italy (Campania) from the second century BCE through the first century CE. The project investigates the painting, mosaic, architectural features, and surrounding urban landscape of domestic doorways to understand how images were used to mark and mediate transitional spaces, and to reconstruct the ancient experience of moving through spatially ambiguous areas. In doing so, it offers new insights into the active nature of Roman images and the mechanism of this “superstitious” practice. The phenomenon of decorating spaces of passage with powerful imagery existed throughout the ancient Mediterranean and reveals not only Roman concerns with the uncertainties of liminal space, but also that images were considered an effective tool for mitigating the perceived vulnerabilities of thresholds. This dissertation demonstrates that homeowners in ancient Campania safeguarded their thresholds by embellishing their entrance corridors with images that themselves possessed ambiguous or transitional qualities and associations. By addressing spatial ambiguity with its visual and ideological counterparts, the Romans developed a visual language that they used to mediate transitional areas. The efficacious images also physically engaged viewers in these protective mechanisms through pointed visual details that encouraged reciprocal interactions and activated the images. This project draws on data collected from a survey of all domestic doorways in Pompeii, Herculaneum, and Stabiae. It combines wide-ranging philosophical, anthropological, art historical, and archaeological theories to assess the material, and offers a new methodology for understanding and evaluating spatial ambiguity. The conclusions, methodology, and datasets presented in this dissertation exhibit the importance of a comprehensive contextual approach to the art and archaeology of ancient Campania, while they also demonstrate the interconnected nature of art, space, and spiritual practice in ancient south Italy. The project thus carries important implications for studies of Roman art, archaeology, and space, but also for perceptions of and responses to ambiguity and uncertainty more broadly.