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Program

Friday, April 1 • 14:45 - 15:20
S13-12 The waters of life. Digital approach towards the reconstruction of the small scale water management of Angkor (Cambodia)

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The waters of life. Digital approach towards the reconstruction of the small scale water management of Angkor (Cambodia).

Kasper Jan Hanus

Abstract
Angkor is recognized as one of the most extensive low-density urban complexes of the pre-industrial world. One of the most striking features in the landscape of Angkor is the enormous assemblage of hydraulic infrastructure, including two artificial reservoirs each covering around 15 km2. However, in parallel to this massive, state-level system of water management, we also see evidence at Angkor of a smaller-scale system of household or community ponds in he urban core. These were described by the Chinese envoy Zhou Daguan, who visited Angkor in the late 13th century AD. His account includes the important information that each cistern was used by one to three families. The validity of this historical account can now be assessed using a precise map of the archaeological landscape that was created in 2012 using airborne laser scanning (“ALS” or “lidar”). The lidar data allow us to arrive at new insights into the demography of medieval Angkor. Using an algorithm for semi-automatic pond detection in the ALS-derived data it was possible to map over three thousand cisterns and from this to make inferences about population density in central Angkor. The aim of paper is to present our methodology behind the paleodemographic estimations using lidar-derived data.


Friday April 1, 2016 14:45 - 15:20
Domus Academica, Gamle festsal

Attendees (4)