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Translation Characteristics of Orographic Precipitation by using the animation of Radar observed Rainfall and Digital Terrain Model.

Research Project

Project/Area Number 08650594
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 水工水理学
Research InstitutionYamanashi University

Principal Investigator

TAKEUCHI Kuniyoshi  Yamanashi Univ.Dept.of Civil & Environmental Eng.Prof., 工学部, 教授 (50016672)

Co-Investigator(Kenkyū-buntansha) ISHIDAIRA Hiroshi  Yamanashi Univ.Dept.of Civil & Environmental Eng.Research Associate, 工学部, 助手 (80293439)
Project Period (FY) 1996 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 1997: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1996: ¥1,500,000 (Direct Cost: ¥1,500,000)
KeywordsDigital Terrain Model / Radar Observed Precipitation / Rainfall Prediction / Animation
Research Abstract

The purpose of this study is to understand the effect of orography on translation of storm area or temporal and spatial distribution of rainfall intensity. The 5 min interval radar data observed at 3 sites (Mt Yae, Mt Akagi and Mt Yakushi) and 5km grid Digital Terrain Model are used in this study. The translation characteristics of rainfall area is identified from the animation of radar observed rainfall which is overlaid on the 3-D displayd topography. Based on this analysis, translation pattern of storm area is classified into several cases. In each cases (or each rainfall type), the relationship between the topographic parameters and rainfall intensity is investigated by using the digital terrain model and radar observed rainfall. Elevation, inclination and aspect of a slope, angle between slope aspect and direction of rainfall cloud movement and distance from coastal line are selected as the topographic parameters and correlation between these parameters and time-averaged rainfall intensity, maximum rainfall intensity and total rainfall are examined at each radar cells. The results of this analysis shows that
1) angle between slope aspect and direction of rainfall cloud movement and distance from coastal line shows the reasonable correlation between rainfall intensity or time-space distribution.
2) orographic effect on translation of storm area or temporal and spatial distribution of rainfall intensity is different in each rainfall type, such as typhoon type, low pressure type, frontal type or thunder storm type.

Report

(3 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • Research Products

    (7 results)

All Other

All Publications (7 results)

  • [Publications] 竹内, 中林, 岸: "Relation between GMS-Visible ray reflectivity and solar radiation on the ground in Japan" Proc.Int.Workshop on Macro-Scale Hydrological Modeling. 41-49 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 中林, 竹内: "雨域の移動に及ぼす地形影響の評価" 土木学会第51回年次学術講演会講演概要集. 766-767 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Takeuchi, K.and Nakabayashi, T.: "Relationship between GMS-Visible ray reflectivity and solar radiation on the ground in Japan" Proc.Int.Workshop on Macro-Scale Hydrological Modeling. 41-49 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakabayashi, T and Takeuchi, K.: "Evaluation of the Effect of Topography on movement of storm area" Proc.of the 52th annual conference of the JSCE. 766-767 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 竹内,中林,岸: "Relation between GMS-Visible ray reflectivity and solar radiation on the ground in Japan" Proc.Int.Workshop on Macro-Scale Hydrological Modeling. 41-49 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] 中林,竹内: "雨域の移動に及ぼす地形影響の評価" 土木学会第51回年次学術講演会講演概要集. 766-767 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] 竹内・中林・岸: "Relation between GMS-Visible ray reflectivity and solan ratiation on the ground in Japan" Proc.Int.Workshop on Macro-Hydrological Modelling,Nanjing,China,May. 41-49 (1996)

    • Related Report
      1996 Annual Research Report

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Published: 1996-04-01   Modified: 2016-04-21  

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