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Structure change of cyclones moving through the central-north Eurasia and their characteristics of precipitation distribution

Research Project

Project/Area Number 16K01228
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Geography
Research InstitutionNara University

Principal Investigator

KIMURA Keiji  奈良大学, 文学部, 教授 (30294276)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywordsユーラシア大陸中北部 / 低気圧 / 偏西風 / 降水 / 切離低気圧 / 経年変動 / 水蒸気輸送 / 天山山脈 / ユーラシア大陸中部 / 東進 / 気団 / 変質 / 季節差 / 降水量 / 気候 / ユーラシア大陸 / 季節変化 / 水蒸気フラックス / ユーラシア大陸中央部 / 水蒸気移流 / 降水分布 / 降水域 / 構造変化
Outline of Final Research Achievements

Using weather data, the climatic condition was clarified that the rainfall between the east part of of Kazakhstan and the west of Mongolia. Furthermore,analysis using the weather numerical meteorological simulation was held because the mountain range accounted for considerably big weight for the detail rainfall distribution in this area.
As a result, it became clear that an ascending current of air when the cyclones went over the high altitude areas such as Tian Shan Mountain Range. The mechanism brings rainfall in this area. In addition, from Kazakhstan to Mongolia, a cutoff lows are found in the ratio once in three years in the summer. This phenomenon occurs because of the cutting apart of the prevailing westerlies wave, and rainfall will continue for some days at the same place.

Academic Significance and Societal Importance of the Research Achievements

本研究は、偏西風帯における日本の風上側に位置すること、および、梅雨期のジェット気流がヒマラヤ・チベットにより分流する地域の解析であることから、日本の梅雨に関する研究に示唆を与える。また、中央アジアからモンゴルにかけての地域は、資源等が豊富であるため、今後我が国による国際協力を重点的に進めていく地域であり、こうした地域の気候に関する知見が深まることは、社会的意義が大きい。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (9 results)

All 2018 2017 2016 Other

All Int'l Joint Research (2 results) Journal Article (2 results) (of which Peer Reviewed: 1 results,  Open Access: 2 results) Presentation (5 results) (of which Int'l Joint Research: 2 results)

  • [Int'l Joint Research] アルファラビ名称カザフ国立大学(カザフスタン)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] アルファラビ名称カザフ国立大学(カザフスタン)

    • Related Report
      2017 Research-status Report
  • [Journal Article] Analysis of the Strong Local Wind in Northwestern Hokkaido, Japan2017

    • Author(s)
      Kasai, K., K. Kimura, K. Shiomi, A. Konno, T. Tadono and M. Hori
    • Journal Title

      地理学論集

      Volume: 92-1 Pages: 6-18

    • NAID

      130006729103

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 2016年の「迷走台風」10号と防災2017

    • Author(s)
      木村圭司
    • Journal Title

      地理地図資料

      Volume: 2-1 Pages: 18-19

    • Related Report
      2017 Research-status Report
    • Open Access
  • [Presentation] 夏季のカザフスタンにおける降水現象2018

    • Author(s)
      木村 圭司
    • Organizer
      2018年度北海道地理学会春季学術大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Rainfall from Kazakhstan to Mongolia in summer2018

    • Author(s)
      Kimura, K.
    • Organizer
      American Geophysical Union 2018 Fall Meeting
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 夏季における中央アジアの低気圧移動と降水メカニズム2017

    • Author(s)
      木村圭司
    • Organizer
      2017年度北海道地理学会春季学術大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Low pressure and rainfall around Mongolia in summer2016

    • Author(s)
      Kimura, K.
    • Organizer
      European Meterological Soceiety (EMS2016)
    • Place of Presentation
      トリエステ国際会議場(イタリア)
    • Year and Date
      2016-09-13
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] モンゴルの降水の季節変化2016

    • Author(s)
      木村圭司
    • Organizer
      北海道地理学会
    • Place of Presentation
      北海学園大学(北海道札幌市)
    • Year and Date
      2016-06-26
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2022-02-22  

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