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2001 Fiscal Year Final Research Report Summary

Climate Reconstruction of Historical Ages in Central Japan based on Old Documents

Research Project

Project/Area Number 12680093
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 自然地理学
Research InstitutionKogakkan University

Principal Investigator

MIZUKOSHI Mitsuharu  Kogakkan University, Faculty of Social Welfare, Professor, 社会福祉学部, 教授 (10024423)

Project Period (FY) 2000 – 2001
KeywordsReconstruction of climate / Historical age / Old document / Kinki-Tokai districts / Climatic change / Phenomena of season / Forecasting of future climate
Research Abstract

(1) Collection of historical weather records-The daily weather records that described in old documents were collected enough to climatic reconstruction of historical ages. The numbers of collected old documents are about 300.
(2) The length of the Baiu season-The century means of onset and end date of the Baiu season (the rainy season of early summer in Japan) are very constant from the 17th century to the 20th century. Accordingly, the mean length of the Baiu is constant too. But the date of end is tend to delay in the latter half of the 20th century. The reasons why the end of the Baiu is delayed are question. It is supposed that the global warming of climate may be a cause.
(3) The periodicity of the length of the Baiu-The length of the Baiu season has some periodicity. The remarkable cycles are 120, 100, 45, and 33 years.
(4) The little ice age was interrupted some relative warm periods.
(5) By using the collected data, the writer planning some analysis of climatic change in central Japan through the past one thousand years. On the other hand, the writer wish to edit the daily weather tables.

  • Research Products

    (4 results)

All Other

All Publications (4 results)

  • [Publications] 水越 允治: "近畿・東海地方における17世紀以後の梅雨期の長期傾向"皇學館大学社会福祉学部紀要. 3. 165-176 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 水越 允治: "近畿地方における過去六百年間の梅雨の長期傾向"皇學館大学社会福祉学部紀要. 4. 15-31 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Mizukoshi, M.: "Secular trend of the Baiu season since the 17th century in Kinki and Tokai districts"Journal of the Faculty of Social Welfare. (3). 165-176 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Mizukoshi, M.: "The trends of the Baiu in Kinki district through six hundred years"Journal of the Faculty of Social Welfare. (4). 15-31 (2001)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2003-09-17  

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