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Surveys and Research for the Submerged Sites in Genkai Sea

Research Project

Project/Area Number 10410094
Research Category

Grant-in-Aid for Scientific Research (B).

Allocation TypeSingle-year Grants
Section一般
Research Field 考古学(含先史学)
Research InstitutionKyushu University

Principal Investigator

NISHITANI Tadashi  Graduate School of Humanities, Department of History and Geography, Kyushu University Professor, 大学院・人文科学研究院, 教授 (20037005)

Co-Investigator(Kenkyū-buntansha) YAMAMOTO Teruo  Fukuoka International University, Faculty of International Communication, Professor, 国際コミュニケーション学部, 教授 (10038002)
HATTORI Hideo  Graduate School of Social and Cultural Studies, Department of Japanese Society and Culture, Kyushu University Professor, 大学院・比較社会文化研究院, 教授 (60107521)
MIYAMOTO Kazuo  Graduate School of Humanities, Department of History and Geography, Kyushu University Associate Professor, 大学院・人文科学研究院, 助教授 (60174207)
IKEDA Hidehumi  Ryuku University, Faculty of Law and Letters, Professor, 法文学部, 教授 (40150627)
Project Period (FY) 1998 – 2000
Project Status Completed (Fiscal Year 2000)
Budget Amount *help
¥10,700,000 (Direct Cost: ¥10,700,000)
Fiscal Year 2000: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 1999: ¥4,000,000 (Direct Cost: ¥4,000,000)
Fiscal Year 1998: ¥5,700,000 (Direct Cost: ¥5,700,000)
KeywordsGenkai Sea / Submerged Site / Underwater Archaeology / Hakata Bay / Trading Vessel / Sunken Vessel / Side-Scan-Sonar / Sub-Bottom Profiler / サブボトム・プロフャイラー
Research Abstract

There have been few archaeological evidences from the sea to show in detail the interchange relations. Under the circumstance, the discipline of underwater archeology is to obtain preciously the processes such as search and discovery of the submerged sites, and archaeological surveys following. If these processes are accomplished during the research, our research will be expected as an important step for underwater archaeology in Japan. Therefore, the field chosen as a purpose of the research is Genkai Sea lying between the Korean peninsula and the northern Kyushu. This sea has been thought as a suitable field to understand the traces of various activities for human beings by the method of underwater archaeology at the bottom of the sea.
This time, it has paid attention especially to this field, because the information which a sunken vessel seen at the bottom was brought by a former professional diver. The diver who salvaged sunken steel vessels in the late 1950's in Genkai Sea saw a wo … More oden vessel buried in the sand. Along with the vessel, he saw ceramics, pithos, anchor stocks, and ink-stone as well. These artifacts can be identified to some extent with their belonged countries, regions or periods. Therefore, our researh of so-called, the sunken trading vessel as archaeological remain has been carried out.
The surveys of the first phase were carried out in the first season of 1994 through third season of 1997 by Kyushu Okinawa Society for Underwater Archaeology, and after these campaigns finished, a new phase of the survey with a grant from the Science Research-Funds started in 1998 and continued until 2000 by Department of Archaeology, Kyushu University. The preliminary survey is to identify the Hikosan-maru, which was a steel vessel sunken 4.5km northeast of the island of Genkai-jima in 1936 ; finding this ship is key to search a wooden vessel. The Hikosan-maru was found in third season of 1997. In the fourth season of 1998, six survey grids (1A,1B,2A,2B,3A,3B) were set at the site which the Hikosan-maru sunk ; one grid is 1800X1800m in width, and three grids such as 2A, 2B, and 3A were especially chosen for the survey with Side-Scan Sonar, Sub-Bottom Profiler, and Remotely Operated Vehicle(ROV). Differential-Global Positioning System (DGPS) was also used for recoding the location of a research vessel. Sixty-two anomalies were selected for a most likely medieval trading vessel. These points were recorded as a state coordinate (X Y), latitude and longitude, and the form in the location (a distance, compass angle, and direction), which is based on centering the Hikosan-maru. Thirty-two of these anomalies including "object 3" were proved not belonging to the wooden vessel, and rest of thirty was left for the next season.
In the fifth season of 1999, twenty-seven additional anomalies including "point 27" were selected from the data recorded in the 1997 through 1998 season. ROV of this season often broke down during the survey. Therefore, all anomalies could not be identified except for five.
Five campaigns for the survey of medieval wooden vessel in Cenkai Sea have been done but we have not yet found the sunken vessel as archaeological remain. This survey will have to be continued. Less

Report

(4 results)
  • 2000 Annual Research Report   Final Research Report Summary
  • 1999 Annual Research Report
  • 1998 Annual Research Report
  • Research Products

    (1 results)

All Other

All Publications (1 results)

  • [Publications] 西谷 正: "九州・沖縄の水中考古学"日本学術会議九州・沖縄地区ニュース. NO.90. 2-3 (1999)

    • Related Report
      1999 Annual Research Report

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Published: 1998-04-01   Modified: 2016-04-21  

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