Japanese Kofun in Maps given by a Spaceborne Digital Elevation Model based on Multiple Satellite Data Sets
Résumé
In the proposed discussion we stress the possibility to use maps from Spaceborne Digital Elevation Models (DEMs) to analyze the locations of Kofun, the ancient tombs in Japan. Some of these tombs have the form of very large tumuli. The Digital Elevation Model here used is that proposed by Yamazaki, Ikeshima, Tawatari, Yamaguchi, O'Loughlin, Neal, Sampson, Kanae and Bates, in the Geophysical Research Letters, 2017, and implemented at the web site itch .topographic-map.com. On Kofun and their orientation, a large literature in Japanese exists: we will give references about related archaeoastronomical studies too. Details about the burial chambers in the kofun having a keyhole-shape are given. The presence of two burial chambers inside is giving a direction coherent with the long axis of the tumulus. We will also recommend the reading of detailed discussions (in Italian), that have been provided by G. Poncini in the Enciclopedia dell' Arte Antica (1995) and M. Hudson about archaeology in Japan 2002. Literature on the funerary rituals of the Kofun Period are also proposed.
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