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Geoarchaelogical investigation of central anatolian caravanserais using gis

Ertepınar Kaymakcı, Pnar
This study comprises analysis of geological, geomorphological constraints that played role in the site selection of caravanserais. In order to do this, 15 caravanserais located along a route from Nevşehir-Aksaray-Konya to Beyşehir were used. The data used in the study include a caravanserai database, lithological maps, and digital elevation model of the area. GIS analyses performed in the study are proximity, visibility, and probability distribution (PDA). The first step is the generation of the ancient trade route which is used as a reference in other analysis. Results of the analysis indicate that the average distance between consequent caravanserais is 10 km. PDA suggests that there should be two more caravanserais between Beyşehir - Yunuslar and one caravanserai between Obruk - Sulatnahanı hans. Caravanserais are very close to a water source but not at their immediate vicinity. Groundwater is not considered in this study; dominant water sources are streams, springs and lakes. Their visibility tested in an area of 78 km2 shows a great variation suggesting that visibility is not considered during the site selection. Ignimbrite, limestone and marble are preferred rocks types although other rocks such as clastic rocks are exposed in closer distances.