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Local circulations developing in Keihanna area in warm seasons

Research Project

Project/Area Number 15K00527
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Environmental dynamic analysis
Research InstitutionDoshisha University

Principal Investigator

YAMANE Shozo  同志社大学, 理工学部, 准教授 (10373466)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2017: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords局地風 / 京阪奈地域 / 海風
Outline of Final Research Achievements

In the Keihanna area and the surrounding region on sunny days in warm seasons, the convective mixed layer develops vigorously after the sunrise, and the winds in the direction similar to those in the upper layer begin to blow near the ground around 10am. The sea breeze from Osaka bay also forms near the coast after the sunrise and progresses inland during the daytime. The local mountain winds blow at night in the vicinity of the slopes of the mountains and valleys, and the wind direction reverses within several hours from the sunrise. The surface winds in the Keihanna area on the evening of the sunny days in warm seasons were classified into four types: weak wind type, eastward wind type, westward wind type, and southward wind type. On the sea breeze days, which were classified into the eastward wind type, the time of daily maximum temperature and the time of daily maximum photochemical oxidant concentration tend to be faster than the times on the weak wind days in the Keihanna area.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (3 results)

All 2017 2016

All Presentation (3 results)

  • [Presentation] 京田辺市の冬季夜間におけるヒートアイランド現象について2017

    • Author(s)
      安田朱里、山根省三
    • Organizer
      日本気象学会2017年度秋季大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 大阪における海風の長期変動とその要因2016

    • Author(s)
      北城佑記,山根省三
    • Organizer
      日本気象学会2016年度秋季大会
    • Place of Presentation
      古屋大学, 名古屋
    • Year and Date
      2016-10-26
    • Related Report
      2016 Research-status Report
  • [Presentation] 高密度定点気象観測による京田辺キャンパス周辺の局地気候の調査2016

    • Author(s)
      安田朱里,山根省三
    • Organizer
      日本地球惑星科学連合2016年大会
    • Place of Presentation
      幕張メッセ,千葉
    • Year and Date
      2016-05-23
    • Related Report
      2016 Research-status Report

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Published: 2015-04-16   Modified: 2019-03-29  

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