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Nitrate nitrogen release from rice paddy fields due to hyporheic exchange

Research Project

Project/Area Number 25420532
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Hydraulic engineering
Research InstitutionOita National College of Technology

Principal Investigator

HIGASHINO Makoto  大分工業高等専門学校, 都市・環境工学科, 准教授 (90311117)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords環境水理学 / 水資源 / 水環境 / Hyporheic exchange / 硝酸性窒素 / 水田 / 水質汚濁 / 化学肥料 / 降雨流出 / 水田からの流出 / 雨量強度 / 河川流下負荷量
Outline of Final Research Achievements

A model was developed for nitrate nitrogen release from rice paddy fields to the Oita River induced by raindrop impact pressure in the basin. The nitrate nitrogen release rate in the paddy fields is expressed as a function of rainfall intensity. The field measurements at Funai in the river show that nitrate nitrogen concentrations for dry weather were not much different from those for wet weather. Whereas, nitrate nitrogen loadings for wet weather were 3 to 12 times larger than those for dry weather. The modeled dependence of unit nitrate nitrogen release on the rainfall intensity agrees fairly well with observed data, validating the model.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (16 results)

All 2016 2015 2014

All Journal Article (6 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 6 results,  Acknowledgement Compliant: 2 results) Presentation (10 results)

  • [Journal Article] Water temperature dynamics and heat transport in a typical Japanese river2016

    • Author(s)
      Higashino,M. and Stefan,H.G.
    • Journal Title

      Environmental Earth Science

      Volume: 75: 618 Issue: 7 Pages: 1-17

    • DOI

      10.1007/s12665-016-5390-2

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] 南海トラフ地震による大分県佐伯市と番匠川河川環境の被害想定2015

    • Author(s)
      東野 誠,鬼束幸樹,横田恭平,古川隼士,熊沢大地
    • Journal Title

      環境技術

      Volume: Vo.44,No.7 Pages: 42-48

    • NAID

      130005110512

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 大分県の芹川ダムにおける水質特性について2015

    • Author(s)
      横田恭平,東野 誠
    • Journal Title

      環境技術

      Volume: Vol.44,No.12 Pages: 676-684

    • NAID

      130005139025

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ヘドニック・アプローチを用いた津波災害リスクに対する住民意識の評価2015

    • Author(s)
      東野 誠,鬼束幸樹,横田恭平,古川隼士
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: Vol.71,No.4

    • NAID

      130005123458

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Journal Article] Modeling the effect of rainfall intensity on soil-water nutrient exchange in flooded rice paddies and implications for nitrate fertilizer runoff to the Oita River in Japan2014

    • Author(s)
      Higashino,M. and Stefan,H.G.
    • Journal Title

      Water Resources Research

      Volume: 11 Issue: 11 Pages: 8611-8624

    • DOI

      10.1002/2013wr014643

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Hydro-climatic Change in Japan (1906-2005): Impacts of Global Warming and Urbanization2014

    • Author(s)
      Higashino,M. and Stefan,H.G.
    • Journal Title

      Air, Soil and Water Research

      Volume: 7 Pages: 19-34

    • DOI

      10.4137/aswr.s13632

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] 降水の不飽和地盤の浸透における飽和度の影響2016

    • Author(s)
      曳汐雅人,東野 誠,横田恭平,喜久山世航
    • Organizer
      平成27年度日本水環境学会九州支部研究発表会
    • Place of Presentation
      佐賀大学
    • Year and Date
      2016-02-27
    • Related Report
      2015 Annual Research Report
  • [Presentation] 不飽和地盤における物質移動に関する一考察2015

    • Author(s)
      東野 誠
    • Organizer
      平成26年度土木学会西部支部研究発表会
    • Place of Presentation
      琉球大学(沖縄県中頭郡千原)
    • Year and Date
      2015-03-07
    • Related Report
      2014 Research-status Report
  • [Presentation] 地価分析を用いた大分県佐伯市における津波災害リスクの評価2015

    • Author(s)
      東野 誠,横田恭平,古川隼士,鬼束幸樹
    • Organizer
      平成26年度土木学会西部支部研究発表会
    • Place of Presentation
      琉球大学(沖縄県中頭郡千原)
    • Year and Date
      2015-03-07
    • Related Report
      2014 Research-status Report
  • [Presentation] 不飽和地盤における水分移動過程について2015

    • Author(s)
      喜久山世航,東野 誠,横田恭平
    • Organizer
      平成26年度日本水環境学会九州支部研究発表会
    • Place of Presentation
      鹿児島工業高等専門学校(鹿児島県霧島市)
    • Year and Date
      2015-02-28
    • Related Report
      2014 Research-status Report
  • [Presentation] 最近の我が国の気候変動に関する一考察2015

    • Author(s)
      清水虎南,東野 誠,横田恭平
    • Organizer
      平成26年度日本水環境学会九州支部研究発表会
    • Place of Presentation
      鹿児島工業高等専門学校(鹿児島県霧島市)
    • Year and Date
      2015-02-28
    • Related Report
      2014 Research-status Report
  • [Presentation] 我が国における河川水温と気温との相関関係2015

    • Author(s)
      相川竜成,東野 誠,横田恭平
    • Organizer
      平成26年度日本水環境学会九州支部研究発表会
    • Place of Presentation
      鹿児島工業高等専門学校(鹿児島県霧島市)
    • Year and Date
      2015-02-28
    • Related Report
      2014 Research-status Report
  • [Presentation] 南海トラフ地震による津波を想定した大分県佐伯市の環境防災2014

    • Author(s)
      東野 誠,横田恭平,古川隼士,鬼束幸樹,眞矢誠一郎
    • Organizer
      平成25年度日本水環境学会九州支部研究発表会
    • Place of Presentation
      鹿児島工業高等専門学校(鹿児島県霧島市)
    • Related Report
      2013 Research-status Report
  • [Presentation] 溶存成分から推定した大分川における温泉水の影響について2014

    • Author(s)
      横田恭平,大塚拓哉,東野 誠
    • Organizer
      平成25年度土木学会西部支部研究発表会
    • Place of Presentation
      福岡大学(福岡県福岡市)
    • Related Report
      2013 Research-status Report
  • [Presentation] 大分県佐伯市における津波防災に対する住民の意識調査2014

    • Author(s)
      東野 誠,横田恭平,古川隼士,鬼束幸樹,眞矢誠一郎,中野恵介,多田篤史
    • Organizer
      平成25年度土木学会西部支部研究発表会
    • Place of Presentation
      福岡大学(福岡県福岡市)
    • Related Report
      2013 Research-status Report
  • [Presentation] 大分川における河川水温と平衡温度の関係2014

    • Author(s)
      東野 誠,糸長諒太,川嶋建吾
    • Organizer
      平成25年度土木学会西部支部研究発表会
    • Place of Presentation
      福岡大学(福岡県福岡市)
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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