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Research Article

Using Unmanned Aerial System Photogrammetry to Map La Playa, Sonora, Mexico (SON F:10:3)

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Published online: 07 Jun 2024
 

Abstract

La Playa is a significant archaeological site in Northwest Mexico that contains deposits from over 10,000 years of continuous occupation. Significantly, it contains the earliest definable Trincheras Tradition deposits as well as one of the best-preserved deposits from the Early Agricultural Period. The Proyecto La Playa, a long-term collaborative research project between archaeologists from the U.S. and Mexico, has worked at the site since 1995. One of the project priorities has been to document features in danger of the severe erosion currently affecting the site. To better document site components and support spatial analysis of the features, I used Unmanned Aerial System photogrammetry to create several geospatial datasets for La Playa. With this data I identified a part of the site that appears to have mound features in an area that has not yet been surveyed. This article documents the process of using new technologies to develop these spatial datasets.

La Playa es uno sitio arqueológico muy importante en el norte de Sonora, México. La Playa contiene depósitos de más de 10.000 años de ocupación. Significativamente, contiene los más antiguos depósitos definibles de Tradición Trincheras, así como uno de los depósitos mejor conservados del Período Agrícola Temprano. El Proyecto La Playa, un proyecto de investigación colaborativa entre arqueólogos de Estados Unidos y México, ha trabajado en el sitio desde 1995. Una de las prioridades del proyecto ha sido documentar los elementos en peligro de la severa erosión que afecta al sitio. Para documentar mejor los componentes del sitio y respaldar el análisis espacial de los elementos, yo utilicé fotogrametría de Vehículo Aéreo no Tripulado (VANT) para crear varios conjuntos de datos geoespaciales. Con estos datos identificé una parte del sitio que parece tener elementos de montículo en un área que aún no ha sido estudiada. Este artículo documenta el proceso de uso de nuevas tecnologías para desarrollar estos conjuntos de datos geoespaciales.

Acknowledgments

I want to extend my thanks to Dr. Randall McGuire, Elisa Villalpando, Dr. Christopher Lee, Alejandra Abrego, Dr. Hunter Claypatch, Dr. Timothy de Smet, Carlos Tejerizo, and Juanita Sandoval for their assistance with this project.

Disclosure Statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This research was supported by a National Geographic Society [grant number #9954-16] and a National Science Foundation Dissertation Improvement Grant [Award Number 2036277].

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