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Study on the long distance transportation of acid snow and its effect on runoff processes

Research Project

Project/Area Number 10450182
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field 水工水理学
Research InstitutionKYOTO UNIVERSITY

Principal Investigator

IKEBUCHI Shuichi  Kyoto University, Disaster Prevention Research Institute, Professor, 防災研究所, 教授 (20026181)

Co-Investigator(Kenkyū-buntansha) TAKARA Kaoru  Disaster Prevention Research Institute, Professor, 防災研究所, 教授 (80144327)
FUSHIMI Hiroji  The university of Shiga prefecture, Faculty of Environmental Sxience, Professor, 環境科学部, 教授 (10109358)
UEDA Hiromasa  Kyoto University, Disaster Prevention Research Institute, Professor, 防災研究所, 教授 (70026186)
TOMOMURA Mitsuhide  Japan Weather Association, Head of a Section, 応用気象課, 課長
OISHI Satoru  Kyoto University, Disaster Prevention Research Institute, Research Associate, 防災研究所, 助手 (30252521)
Project Period (FY) 1998 – 1999
Project Status Completed (Fiscal Year 1999)
Budget Amount *help
¥9,700,000 (Direct Cost: ¥9,700,000)
Fiscal Year 1999: ¥2,700,000 (Direct Cost: ¥2,700,000)
Fiscal Year 1998: ¥7,000,000 (Direct Cost: ¥7,000,000)
Keywordsacid snow / cloud microphysics model / substance balance / multi layer mesh model / chemical reaction in soil / acid ahock / river water pH
Research Abstract

In the project, study on the acid snow in the northern part of the Lake BIWA has been done. In the study, transportation, reaction and deposition processes are modeled both physically and chemically. Then the cloud microphysics model that considers the chemical processes of acid snow has been developed. We verify the models by comparison with water quality observation. We also developed the model of runoff process which consists of snow fall, snow storage, snow melt, penetration processes. Finally we also verify the model by comparison with observed data.
Development of the numerical model of acid snow : Cloud numerical model that includes the explicit type cloud microphysical processes has been developed based on cloud model made by Oishi. Then we consider the generation and deposition processes of SOx and NOx diagnostically. We obtained the result that the mixing ratio of SOx and NOx is quite bigger than observed data. Therefore, we are now in process of development of the model which prognosticate the chemical transportation processes. This model is one of the best models in the world since it can calculate the distribution of cloud droplet diameter that is very important factor for chemical processes.
Modeling of Acid snow runoff process and its application to basin scale : We had the important observation period and routine measuring system in very small basin (5.4 Km^2) for making the model of acid snow runoff process. Then we made the application of the models for considering a basin scale by using a water quantity model, a water quality model, a hybrid model and a multi layer model. We obtained the result that the daily variation of snow melting, decreasing of pH by acid shock, daily variation of pH in the river is well explained.

Report

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

    (29 results)

All Other

All Publications (29 results)

  • [Publications] 植田洋匡: "大気境界層中の乾性沈着"エアロゾル研究. 14. 309-316 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Ueda,H.: "Behavior of volatile inorganic components in urban aerosols"Atmospheric Environment. 34. 353-361 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 杉山智治: "森林流域における酸性雪の流出プロセスに関する研究"京都大学防災研究所年報. 第42号B-2. 177-188 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 松井光弘: "雲物理モデルと結合させた酸性雨・酸性雪予測モデルの開発に関する研究"土木学会関西支部年次学術講演会概要集. 42. 2-1-2-2 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] K.Takara: "Remote sensing and GIS application to modeling of flood"Remote Sensing of Hydrological Processes and Applications. 23-34 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 立川康人: "パラメータの空間分布が流出シミュレーション結果に及ぼす影響について"土木学会水工学論文集. 44. 43-48 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Ueda, H.: "Dry deposition in the boundary layer of atmosphere"The Airosols Research. No.14. 309-316 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Ueda, H.: "Behavior of volatile inorganic components in urban aerosols"Atmospheric Environment. No.34. 353-361 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Sugiyama, T.: "Study on Run-off Process of Acid Snow in Forest Basin Area"Annuals of the DPRI, Kyoto Univ.. No.42. 177-188 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Matsui M.: "Development of acid rain and acid snow model based on cloud microphysics model."Proc.of annuals meeting of Kansai blanch, JSCE. 42. 21-22 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Takara, K.: "Remote sensing and GIS application to modeling of flood"Remote Sensing of Hydrological Processes and Applications. 23-34 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Tachikawa, Y.: "Comparison of numerical analysis of flow past topography by time-dependent RANS model and LES simulation"Annual Journal of Hydraulic Engineering, JSCE. 43. 43-48 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Ueda, H.: "Numerical study on the tropospheric oxidants budget in East Asia"Air Pollution. VI. 13-24 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Ueda, H.: "Behavior of volatile components in urban aerosols"Atmospheric Environment. 13-24 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Takara, K.: "Application of probability distributions with lower and upper bounds to hydrologic fiequency analysis"Annual Journal of Hydraulic Engineering, JSCE. 43. 121-126 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Tanaka, S.: "Hydrologic frequency analysis with annual maximum series and partial duration series"Annual Journal of Hydraulic Engineering, JSCE. 43. 145-150 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Takahashi, T.: "Study on the maintenance mechanism of severe rainfall using three dimensional cumulus model"Proc.of annuals meeting of Kansai blanch, JSCE. 42. 353-354 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 植田洋匡: "大気境界層中の乾性沈着"エアロゾル研究. 14. 309-316 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Ueda H.: "Behavior of volatile inorganic components in urban aerosols"Atmospheric Environment. 34. 353-361 (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] 杉山智治: "森林流域における酸性雪の流出プロセスに関する研究"京都大学防災研究所年報. 第42-B2. 177-188 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] 松井光弘: "雲物理モデルと結合させた酸性雨・酸性雪予測モデルの開発に関する研究"土木学会関西支部年次学術講演会概要集. 42. 2-1-2-2 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] K.Takara: "Remote sensing and GIS application to modeling of flood"Remote Sensing of Hydrological Processes and Applications. 23-34 (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] 立川康人: "パラメータの空間分布が流出シミュレーション結果に及ぼす影響について"土木学会水工学論文集. 44. 43-48 (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] 池淵周一: "雲物理モデルと結合させた酸性雨・酸性雪予測モデルの開発に関する研究" 土木学会関西支部年次学術講演概要集. (印刷中). (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] Ueda,H.: "Numerical study on the tropospheric oxidants budget in East Asia and effects of intruding stratospheric ozone on it." Air Pollution. VI. 13-24 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Ueda,H.: "Behavior of volatile components in urban aerosols" Atmospheric Environment. (印刷中). (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] 宝馨: "両側有界分布の水文頻度解析への応用" 土木学会水工学論文集. 第43巻. 121-126 (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] 田中茂信: "毎年資料と非毎年資料による確率水文量の評価" 土木学会水工学論文集. 第43巻. 145-150 (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] 高橋輝明: "3次元積雲モデルを用いた豪雨の維持機構に関する考察" 土木学会関西支部1999年度年次学術講演会概要集. (印刷中). (1999)

    • Related Report
      1998 Annual Research Report

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

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