
Deep Learning Reveals Extent of Archaic Native American Shell-Ring Building Practices
In the mid-Holocene (5000 - 3000 cal B.P.), Native American groups constructed shell rings, a type of circular midden feature, in coastal areas of the American Southeast. These deposits provide important insights into Native American socioeconomic organization but are also quite rare: only about 50 such rings have been documented to date. Recent work using automated LiDAR analysis demonstrates that many more shell rings likely exist than are currently recorded in state archaeological databases. Here, we use deep learning, a form of machine intelligence, to detect shell ring deposits and identify their geographic range in LiDAR data from South Carolina. We corroborate our results using synthetic aperture radar (SAR), multispectral data, and a random forest analysis. We conclude that a greater number of shell rings exist which expand further north than currently documented, suggesting a more widespread and common practice of ring-type midden building in this area during the mid-Holocene.
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Work Title | Deep Learning Reveals Extent of Archaic Native American Shell-Ring Building Practices |
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License | CC BY 4.0 (Attribution) |
Work Type | Dataset |
Publication Date | 2021 |
DOI | doi:10.26207/ry6k-q463 |
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Deposited | February 15, 2021 |
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