Journal
JOURNAL OF ARCHAEOLOGICAL SCIENCE
Volume 57, Issue -, Pages 1-13Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jas.2015.02.013
Keywords
LiDAR; Remote sensing; Maya; Settlements
Funding
- Alphawood Foundation
- National Science Foundation [HSD-0827305, HSD-0827275]
- Explorers Club of New York
- Division Of Earth Sciences
- Directorate For Geosciences [1339015] Funding Source: National Science Foundation
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In the tropics of Central America one important use of airborne LiDAR has been the detection of architecture and landscape modifications in ancient city states, including dispersed residential compounds. For Maya archaeologists, this endeavor has been traditionally referred to as settlement survey. We examine a 99 km(2) area surrounding the ancient (ca. 100 BCE-CE 850) Maya city of Uxbenka using both LiDAR and WorldView-2 satellite FCIR imagery. We compare those data sets with test results from pedestrian survey to assess the applicability of LiDAR for detecting small settlement structures and compounds in areas of highly disturbed vegetation. We conclude that the simple use of hill-shaded relief maps does not facilitate visual detection of more than 90% of small (1-3 m high) residential structures. We attribute this to the effect of low, dense vegetation on the number of LiDAR ground returns. We did find, however, that analysis of modified slope raster maps derived from the DEM did allow for identification of hill and ridge top modification that are associated with settlements, suggesting that these proxies have predictive value for identifying residential compounds. (C) 2015 Elsevier Ltd. All rights reserved.
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