2020
DOI: 10.3989/aespa.093.020.006
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Determinación de orientaciones de ciudades romanas por medio de la <em>varatio</em>

Abstract: En el presente artículo se aborda la tan debatida cuestión de las orientaciones de ciudades romanas combinando dos procedimientos: un análisis estadístico de las orientaciones de una muestra significativa de ciudades romanas en la península ibérica, y los resultados de una investigación basada en la experimentación y reconstrucción de instrumental de agrimensura romana. En concreto, se busca reforzar, o rechazar, la hipótesis del empleo de la varatio para la orientación en el terreno, y su posible modo de ejec… Show more

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Cited by 4 publications
(3 citation statements)
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“…At first glance, regarding the orientation patterns displayed in the different curvigrams, we can identify that 70% of the declinations coincide with values for the rising sun. In addition, some maxima may correspond to the practice of astronomical observations or the application of simple geometrical techniques such as the varatio-previously studied for Roman towns in Hispania [25,41]-together with more dispersed data that could be explained by diverse environmental restrictions of the terrain where centuriations were located.…”
Section: Discussionmentioning
confidence: 98%
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“…At first glance, regarding the orientation patterns displayed in the different curvigrams, we can identify that 70% of the declinations coincide with values for the rising sun. In addition, some maxima may correspond to the practice of astronomical observations or the application of simple geometrical techniques such as the varatio-previously studied for Roman towns in Hispania [25,41]-together with more dispersed data that could be explained by diverse environmental restrictions of the terrain where centuriations were located.…”
Section: Discussionmentioning
confidence: 98%
“…Finally, the use of geometry should not be dismissed either, as suggested by the maxima around δ ≈ +26 • and δ ≈ +17 • in the centuriations' curvigram of declination (Figure 3), which are compatible with the use of the Pythagorean triangles 3:4:5 and 5:12:13, respectively, for null altitudes of the horizon and medium Italian latitudes. The role of geometry in the layout of land has been explored in several studies on Roman land and urban design across the Empire, with both practical and symbolic intentionality [14,25,41,47] and, in addition to hypothetical direct observations of particular astronomical phenomena (such as sunrises on special dates), astronomy was also required for the implementation of particular geometric relations to the cardinal axes by using a gnomon (see, e.g., [25]).…”
Section: Discussionmentioning
confidence: 99%
“…The current fossilization of Roman cities is a reminiscence of a past instant and how they were constructed (Orfila -Chávez-Álvarez -Sánchez 2014: 114). Additionally, the orientation of Roman cities in Iberia has been prolifically investigated and it is definitely decisive to understand the Archaeology of Roman Iberia (Orfila -Chávez-Álvarez -Sánchez 2014;Orfila et al 2020).…”
mentioning
confidence: 99%