Estimating volumes of coastal shell midden sites using geometric solids

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dc.contributor.author Gustas, Robert H.
dc.contributor.author McKechnie, Iain
dc.contributor.author Mackie, Quentin
dc.contributor.author Darimont, Chris
dc.date.accessioned 2023-02-07T19:50:35Z
dc.date.available 2023-02-07T19:50:35Z
dc.date.copyright 2022 en_US
dc.date.issued 2022
dc.identifier.citation Gustas, R. H., McKechnie, I., Mackie, Q., & Darimont, C. (2022). “Estimating volumes of coastal shell midden sites using geometric solids.” Advances in Archaeological Practice, 10(2), 200-214. https://doi.org/10.1017/aap.2022.9 en_US
dc.identifier.uri https://doi.org/10.1017/aap.2022.9
dc.identifier.uri http://hdl.handle.net/1828/14767
dc.description.abstract Coastal shell midden deposits are a quintessential component of the archaeological record on the Pacific Northwest Coast. Despite their importance in informing the cultural and environmental histories of Indigenous peoples, research on shell middens has largely not sought to address the physical extent of these cultural deposits, which requires estimating shape, depth, and volume. Here, we present a new scalable geospatial model, designed to work with legacy survey data, for estimating midden volumes based on applying a regular geometric solid to sites with known extent and depth. We evaluate the accuracy of this technique using percussion core, total station, and lidar data from eight sites in Tseshaht territory on western Vancouver Island and three sites on the north coast of British Columbia (Canada). As part of the evaluation process of our results, we calculate uncertainty using subsurface core depth data and then compare generalized and modeled midden volume estimates. We demonstrate an accurate general model applied at the regional scale across a systematically surveyed landscape. This work presents the first landscape-scale measure of midden extents and volume within our study area, with relevance to historical ecology and settlement patterns. en_US
dc.description.sponsorship This article was supported in part by a SSHRC-CGS Fellowship and MITACS–Hakai Institute Accelerate Internship awarded to R. Gustas, and a NSERC-Discovery Grant (2017– 06821) awarded to I. McKechnie. Funding for fieldwork was variously provided by Pacific Rim National Park Reserve of Canada, Tseshaht First Nation, and the Nuu-chah-nulth Tribal Council as part of the Hiikwis Archaeological Project (2008-2011), and more recently, to the Keith Island Archaeology Project (2017-2022). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of this manuscript. en_US
dc.language.iso en en_US
dc.publisher Advances in Archaeological Practice en_US
dc.subject coastal archaeology en_US
dc.subject geospatial methods en_US
dc.subject geometric volume estimation en_US
dc.subject shell midden en_US
dc.subject Northwest Coast en_US
dc.subject GIS en_US
dc.subject 3D modeling en_US
dc.title Estimating volumes of coastal shell midden sites using geometric solids en_US
dc.type Article en_US
dc.description.scholarlevel Faculty en_US
dc.description.reviewstatus Reviewed en_US

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