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The main goal is to explore the capabilities of GPR to extract datasets from ephemeral features, such as temporary camps or siege works, among others. This information aims to maximise the data available before excavation, orienting it to areas that could provide good results in terms of feature detection and contrast between soil matrix and archaeological deposits. This paper explores the potential of the GPR approach and volumetric data visualisation to improve our understanding of four ephemeral sites: Alto da Raia (Montalegre, Portugal\u2013Calvos de Rand\u00edn, Spain), Sueros de Cepeda (Villamejil, Spain), Los Andinales (Villsandino, Spain), and Villa Mar\u00eda (Sasam\u00f3n, Spain). Despite the focus of this paper, other survey techniques (namely LiDAR, aerial photography, and magnetometry) were used in combination with GPR. Further excavation of the sites provided ground truthing for all data remotely gathered.<\/jats:p>","DOI":"10.3390\/rs14194884","type":"journal-article","created":{"date-parts":[[2022,10,10]],"date-time":"2022-10-10T03:07:28Z","timestamp":1665371248000},"page":"4884","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Exploring Ephemeral Features with Ground-Penetrating Radar: An Approach to Roman Military Camps"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7766-1972","authenticated-orcid":false,"given":"Jes\u00fas Garc\u00eda","family":"S\u00e1nchez","sequence":"first","affiliation":[{"name":"Instituto de Arqueolog\u00eda, M\u00e9rida (IAM), CSIC-Junta de Extremadura, 06800 M\u00e9rida, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0819-1361","authenticated-orcid":false,"given":"Jos\u00e9 Manuel","family":"Costa-Garc\u00eda","sequence":"additional","affiliation":[{"name":"GIR Hesperia, Department of Prehistory, Ancient History and Archaeology, University of Salamanca, 37001 Salamanca, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0367-0598","authenticated-orcid":false,"given":"Jo\u00e3o","family":"Fonte","sequence":"additional","affiliation":[{"name":"Department of Archaeology, University of Exeter, Laver Building, North Park Road, Exeter EX4 4QE, UK"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7021-9321","authenticated-orcid":false,"given":"David","family":"Gonz\u00e1lez-\u00c1lvarez","sequence":"additional","affiliation":[{"name":"Institute of Heritage Sciences (INCIPT), Spanish National Research Council (CSIC), 15707 Santiago de Compostela, Spain"}]}],"member":"1968","published-online":{"date-parts":[[2022,9,30]]},"reference":[{"key":"ref_1","first-page":"219","article-title":"Evaluaci\u00f3n y Perspectivas Del Uso Del LiDAR En La Arqueolog\u00eda Espa\u00f1ola","volume":"39","year":"2020","journal-title":"Bolet\u00edn Mus. 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