GIS-enabled historiography to determine travel routes during the Western Han period via agent-based models and least-cost path analysis |
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| Authors: | Raja Sengupta Griet Vankeerberghen Ruoxuan Wen Jing Rao Yanbing Chen |
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| Institution: | 1. Department of Geography, McGill University, Quebec, Montreal, Canada;2. Department of History and Classical Studies, McGill University, Quebec, Montreal, Canada |
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| Abstract: | GIS-enabled historiography allows us to shed light on missing or poorly understood aspects of historical events. Here, we use agent-based models (ABMs), least cost path analysis (LCPA), and space–time paths to recreate and evaluate possible modes and routes of travel undertaken by Shi Rao, a Western Han official. A diary was found in Shi Rao's tomb that includes information about his travels over 1 year (11 BCE), including start and end times of his journeys. But it leaves out details regarding modes of transport or exact routes. Using Tan Qixiang's historical atlas, we digitized river networks and utilized modern topographic data to digitally recreate the landscape as it was during Shi Rao's travels. This was then used to evaluate possible journeys via rivers (using ABMs) and roads (using LCPA), and compared to historical speed of boats, carts and horses, with findings indicating that horseback may have been the viable option. |
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