TY - JOUR AU - Fuldain González, Juan José AU - Fuldain González, José Ignacio PY - 2019/01/01 Y2 - 2024/03/28 TI - Archaeological survey using NDVI with drones.: The use of geoEuskadi as a tool for testing a new method JF - REVISTA INTERNACIONAL MAPPING JA - MAPPING VL - 27 IS - 192 SE - Artículos Científicos DO - UR - https://ojs.revistamapping.com/MAPPING/article/view/125 SP - 24-29 AB - <p>The objective of this experiment was to test the validity of multispectral<br>low altitude photography in archaeological surveying.<br>The experiment involved taking multispectral photographs from<br>a UAV of ten plots of land through which the Roman road Iter 34 is<br>thought to have passed.<br>These photographs were used to create georeferenced orthomosaics<br>of the zones and to calculate the NDVI index, anticipating that<br>this index would show differencial growth marks in the crops, inperceptible<br>by other means, which correspond with the Roman road.<br>A comparative analysis of the historical photographs in the geoeuskadi<br>database with the NDVI photographs confirmes that negative<br>stratigraphic features (ditches, wells, pits...) produce positive readings<br>in NDVI whereas positive stratigraphic features (walls, surfaces, demolition<br>deposits) result in negative readings.<br>The Roman road was seen clearly in NDVI in eight of the ten surveyed<br>zones, furthermore two ancient settlements were identified in<br>two of these zones. The experiment can therefore be considered a<br>success and has demonstrated the validity of the method applied<br>to archaeological survey.</p> ER -