Discovery of Iron Grapnel Anchors in Early Modern Ryukyu and Management of Underwater Cultural Heritage in Okinawa, Japan

Rintaro Ono; Chiaki Katagiri; Hironobu Kan; Masayuki Nagao; Yumiko Nakanishi; Yuji Yamamoto; Fumiaki Takemura; Norimitsu Sakagami

doi:10.1111/1095-9270.12145

Discovery of Iron Grapnel Anchors in Early Modern Ryukyu and Management of Underwater Cultural Heritage in Okinawa, Japan

Rintaro Ono, Chiaki Katagiri, Hironobu Kan, Masayuki Nagao, Yumiko Nakanishi, Yuji Yamamoto, Fumiaki Takemura, Norimitsu Sakagami

Basic Structure of Human Societies

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7 Citations (Scopus)

Abstract

The Yarabuoki underwater site contains seven iron grapnel anchors and Early Modern Okinawan ceramic jars and is dated to the 16th-19th centuries. The site lies at a depth of 12-32 m off the western coast of Ishigaki Island in Okinawa, Japan. Based on underwater archaeological and broadband multibeam surveys, as well as historical research of the artefacts and Early Modern Ryukyuan shipping, we discuss the possible anchor and vessel types in Ryukyu and Eastern Asia in Early Modern times. We also discuss the efficacy of low-cost ROV for assisting surveys in shallow-water environments and the value of educational programmes for promoting the management and conservation of underwater cultural heritage.

Original language	English
Pages (from-to)	77-93
Number of pages	17
Journal	International Journal of Nautical Archaeology
Volume	45
Issue number	1
DOIs	https://doi.org/10.1111/1095-9270.12145
Publication status	Published - Mar 1 2016

All Science Journal Classification (ASJC) codes

Oceanography
History
Archaeology
Palaeontology

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abstract = "The Yarabuoki underwater site contains seven iron grapnel anchors and Early Modern Okinawan ceramic jars and is dated to the 16th-19th centuries. The site lies at a depth of 12-32 m off the western coast of Ishigaki Island in Okinawa, Japan. Based on underwater archaeological and broadband multibeam surveys, as well as historical research of the artefacts and Early Modern Ryukyuan shipping, we discuss the possible anchor and vessel types in Ryukyu and Eastern Asia in Early Modern times. We also discuss the efficacy of low-cost ROV for assisting surveys in shallow-water environments and the value of educational programmes for promoting the management and conservation of underwater cultural heritage.",

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AU - Ono, Rintaro

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AU - Nagao, Masayuki

AU - Nakanishi, Yumiko

AU - Yamamoto, Yuji

AU - Takemura, Fumiaki

AU - Sakagami, Norimitsu

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Discovery of Iron Grapnel Anchors in Early Modern Ryukyu and Management of Underwater Cultural Heritage in Okinawa, Japan

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