Examining Coastal Shipping Processes around Shodo Island during the Tokugawa Period

Dublin Core

Title

Examining Coastal Shipping Processes around Shodo Island during the Tokugawa Period

Description

Shodo Island in the Seto inland sea used to be the major entrepôt of wall stones, which were taken to the Osaka castle, gathered from some islets around this island. The processes of constructing Japanese castle walls are composed of three processes, viz. quarrying stones, shipping or transporting them, and heaping them up. While many historians have studied upon quarrying and piling them, no comprehensive research has been done as for shipping or transporting them, mainly because no historical document exits. In order to throw light upon seaborne stone transportation from Shodo Island to Osaka, therefore, underwater surveys around this island were carried out on seabed As a result, many submerged wall stones, as well as a submerged stone called “Kamome Ishi”, on which an old stone post was stood, succeeded in being found on the bottom of the sea; this mooring post is said to be built by ship owners who carried wall stones to the Osaka castle, and these waters could serve the most important mooring port of Shodo Island for wall stone transportation. To prove this historic event, a tide simulation on the basis of survey data was analyzed and a reconstructed model for mooring and loading wall stones around the mooring post was hypothesized, which was verified by current fieldworks. Although millions of mariners have been working in the Seto inland sea since the ancient times, a new maritime and navigational technique seems to be emerged from Shodo Island and its surroundings early in the 17th century.

Creator

Kotaro Mogi
Hiroomi Tsumura, in Van Tilburg, H., Tripati, S., Walker Vadillo, V., Fahy, B., and Kimura, J. (eds.)

Date

5/15/2014

Files

Citation


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