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Optimal Operation of Irrigation Schemes Based on Viscosity Solutions of Partial Differential Equations

Research Project

Project/Area Number 16KT0018
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeMulti-year Fund
Section特設分野
Research Field Mathematical Sciences in Search of New Cooperation
Research InstitutionKyoto University

Principal Investigator

Unami Koichi  京都大学, 農学研究科, 准教授 (10283649)

Co-Investigator(Kenkyū-buntansha) 岡本 久  学習院大学, 理学部, 教授 (40143359)
吉岡 秀和  島根大学, 学術研究院環境システム科学系, 助教 (70752161)
Project Period (FY) 2016-07-19 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥18,200,000 (Direct Cost: ¥14,000,000、Indirect Cost: ¥4,200,000)
Fiscal Year 2018: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2017: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2016: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Keywords微分方程式 / 粘性解 / 数値解析 / 乾燥・半乾燥地農業 / 分数階微積分学 / 水管理 / 特異拡散 / 国際研究者協力 / 非線型微分方程式 / 比較定理 / 灌漑農業 / 土壌物理 / 最適化 / 非線型偏微分方程式 / 灌漑 / 動的計画法
Outline of Final Research Achievements

We attempted to establish a mathematical methodology that contributes to the solution of various issues related to water management in arid and semi-arid agriculture. Starting from the consideration of viscosity solutions of partial differential equations appearing in optimal control problems of water storage systems, mathematical structures such as fractional calculus and singular diffusion were sought in various phenomena related to hydrological processes and biological production. For verification in the real world, we operated a prototype of a small-scale irrigation scheme constructed in Jordan.

Academic Significance and Societal Importance of the Research Achievements

貯水系の最適運用戦略について,支配方程式に対する粘性解の一意存在性や数値計算における誤差解析を行い,プロトタイプへ実装した。太陽エネルギーで駆動される除塩プラントを実際に建設,運用し,その熱力学系モデルを構築してパラメータ推定やモデル検証を実施した。水文過程や生物生産のモデル化において,分数階微積分学や特異拡散といった数学的概念を新たに導入した。これらは,乾燥・半乾燥地農業における水管理の合理化に貢献するものと期待される。

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (99 results)

All 2019 2018 2017 2016 Other

All Int'l Joint Research (17 results) Journal Article (27 results) (of which Int'l Joint Research: 9 results,  Peer Reviewed: 27 results,  Open Access: 6 results,  Acknowledgement Compliant: 3 results) Presentation (42 results) (of which Int'l Joint Research: 23 results,  Invited: 14 results) Book (8 results) Remarks (3 results) Funded Workshop (2 results)

  • [Int'l Joint Research] Mutah University(ヨルダン)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] University of Mosul(イラク)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] Mutah University(ヨルダン)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] University of Mosul(イラク)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] RARS Jamalpur, BARI(バングラデシュ)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] Universiti Putra Malaysia(マレーシア)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] University of Delhi(インド)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] Mutah University(Jordan)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] University of Mosul(Iraq)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] University Putra Malaysia(Malaysia)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] BARI, RARS Jamalpur(Bangladesh)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] Chung-Ang University(韓国)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] Mutah University(Jordan)

    • Related Report
      2016 Research-status Report
  • [Int'l Joint Research] BARI, RARS Jamalpur/Bangladesh Agricultural University(Bangladesh)

    • Related Report
      2016 Research-status Report
  • [Int'l Joint Research] Universiti Putra Malaysia(Malaysia)

    • Related Report
      2016 Research-status Report
  • [Int'l Joint Research] National Chung Cheng University(Taiwan, ROC)

    • Related Report
      2016 Research-status Report
  • [Int'l Joint Research] University of Ghana(Ghana)

    • Related Report
      2016 Research-status Report
  • [Journal Article] Prototype and model of solar driven desalination plant in arid environment2019

    • Author(s)
      Unami K, Mohawesh O, Fujihara M
    • Journal Title

      Thermal Science

      Volume: - Issue: 2 Part A Pages: 97-97

    • DOI

      10.2298/tsci180604097u

    • Related Report
      2019 Annual Research Report 2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Time periodic optimal policy for operation of a water storage tank using the dynamic programming approach2019

    • Author(s)
      Unami K, Mohawesh O, Fadhil RM
    • Journal Title

      Applied Mathematics and Computation

      Volume: 353 Pages: 418-431

    • DOI

      10.1016/j.amc.2019.02.005

    • NAID

      120006960267

    • Related Report
      2019 Annual Research Report 2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Weal periodic solutions and numerical case studies of the Fornberg-Whitham equation2019

    • Author(s)
      G. Hoermann & H. Okamoto
    • Journal Title

      Disc. Conti. Dynam. Sys. A,

      Volume: 39 Issue: 8 Pages: 4455-4469

    • DOI

      10.3934/dcds.2019182

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Existence proof of unimodal solutions of the Proudman?Johnson equation via interval analysis2019

    • Author(s)
      Miyaji T, Okamoto H
    • Journal Title

      Japan Journal of Industrial and Applied Mathematics

      Volume: 36 Issue: 1 Pages: 287-298

    • DOI

      10.1007/s13160-018-00339-x

    • NAID

      210000173644

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] A mixed optimal control approach for upstream fish migration2019

    • Author(s)
      Yoshioka H, Shirai T, Tagami D
    • Journal Title

      Journal of Sustainable Development of Energy, Water and Environment Systems

      Volume: 7 Issue: 1 Pages: 101-121

    • DOI

      10.13044/j.sdewes.d6.0221

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] A unique value function for an optimal control problem of irrigation water intake from a reservoir harvesting flash floods2018

    • Author(s)
      Unami K, Mohawesh O
    • Journal Title

      Stochastic Environmental Research and Risk Assessment

      Volume: 32 Issue: 11 Pages: 3169-3182

    • DOI

      10.1007/s00477-018-1527-z

    • NAID

      120006410701

    • Related Report
      2018 Research-status Report 2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Holistic water quality dynamics in rural artificial shallow water bodies2018

    • Author(s)
      Alam AHMB, Unami K, Fujihara M
    • Journal Title

      Journal of Environmental Management

      Volume: 223 Pages: 676-684

    • DOI

      10.1016/j.jenvman.2018.06.076

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] A singular stochastic control model for sustainable population management of the fish-eating waterfowl Phalacrocorax carbo2018

    • Author(s)
      Yaegashi Y, Yoshioka H, Unami K, Fujihara Masayuki
    • Journal Title

      Journal of Environmental Management

      Volume: 219 Pages: 18-27

    • DOI

      10.1016/j.jenvman.2018.04.099

    • Related Report
      2018 Research-status Report 2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Unimodal solutions of the generalized Constantin?Lax?Majda equation with viscosity2018

    • Author(s)
      Kim S-C, Miyaji T, Okamoto Hi
    • Journal Title

      Japan Journal of Industrial and Applied Mathematics

      Volume: 35 Issue: 3 Pages: 1065-1083

    • DOI

      10.1007/s13160-018-0320-1

    • NAID

      210000172939

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Numerical computation of robust optimal harvesting policy in a fish pond under uncertainty2018

    • Author(s)
      Ndede EO, Unami K, Fujihara M
    • Journal Title

      Journal of Rainwater Catchment Systems

      Volume: 24 Pages: 33-36

    • NAID

      130007688078

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Models and Special Solutions of the Navier-Stokes Equations2018

    • Author(s)
      Okamoto H
    • Journal Title

      Handbook of Mathematical Analysis in Mechanics of Viscous Fluids

      Volume: - Pages: 1-52

    • DOI

      10.1007/978-3-319-10151-4_14-1

    • ISBN
      9783319101514
    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Active Water Quality Management in Rural Small Watersheds2017

    • Author(s)
      Unami K, Mabaya G, Alam AHMB, Fujihara M
    • Journal Title

      Environmental Pollution, Water Science and Technology Library

      Volume: 77 Pages: 419-428

    • DOI

      10.1007/978-981-10-5792-2_33

    • ISBN
      9789811057915, 9789811057922
    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Unimodal patterns appearing in the two-dimensional Navier-Stokes flows under general forcing at large Reynolds numbers2017

    • Author(s)
      Kim S-C, Miyaji T, Okamoto H
    • Journal Title

      European Journal of Mechanics - B/Fluids

      Volume: 65 Pages: 234-246

    • DOI

      10.1016/j.euromechflu.2017.04.004

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Optimal installation of overhead lines (Tegusu) to reduce predation from piscivorous birds to Plecoglossus altivelis (Ayu) taking into account of its decaying protection effect2017

    • Author(s)
      Yaegashi Y, Yoshioka H, Unami K, Fujihara M
    • Journal Title

      Journal of Rainwater Catchment Systems

      Volume: 23(1) Pages: 13-18

    • NAID

      130007687915

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Robust optimal model for sustainable joint production of green tea and paddy rice in Japanese agricultural watersheds2017

    • Author(s)
      Mabaya G, Unami K, Takeuchi J, Fujihara M, Yoshioka H
    • Journal Title

      International Journal of Innovation and Sustainable Development

      Volume: 11 Issue: 1 Pages: 69-84

    • DOI

      10.1504/ijisd.2017.080618

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Journal Article] Stochastic optimal control of agrochemical pollutant loads in reservoirs for irrigation2017

    • Author(s)
      Mabaya G, Unami K, Fujihara M
    • Journal Title

      Journal of Cleaner Production

      Volume: 146 Pages: 37-46

    • DOI

      10.1016/j.jclepro.2016.05.108

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Journal Article] An optimal management strategy for stochastic population dynamics of released Plecoglossus altivelis in rivers2017

    • Author(s)
      Yaegashi Y, Yoshioka H, Unami K, Fujihara M
    • Journal Title

      International Journal of Modeling, Simulation, and Scientific Computing

      Volume: 8(2) Pages: 1-16

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Journal Article] Unimodal patterns appearing in the two-dimensional Navier-Stokes flows under general forcing at large Reynolds numbers,2017

    • Author(s)
      Kim S-C, Okamoto H, Miyaji T
    • Journal Title

      European Journal of Mechanics - B/Fluids

      Volume: -

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Optimal shapes of weirs for trapping migratory fish2016

    • Author(s)
      Nakamichi T, Unami K, Fujihara M
    • Journal Title

      Jurnal Teknologi

      Volume: 78 Issue: 1-2 Pages: 12-20

    • DOI

      10.11113/jt.v78.7254

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Robust optimal diversion of agricultural drainage water from tea plantations to paddy fields during rice growing seasons and non-rice growing seasons2016

    • Author(s)
      Mabaya G, Unami K, Yoshioka H, Takeuchi J, Fujihara M
    • Journal Title

      Paddy and Water Environment

      Volume: 14 Issue: 1 Pages: 247-258

    • DOI

      10.1007/s10333-015-0494-y

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Verifying optimality of rainfed agriculture using a stochastic model for drought occurrence2016

    • Author(s)
      Sharifi E, Unami K, Yangyuoru M, Fujihara M
    • Journal Title

      Stochastic Environmental Research and Risk Assessment

      Volume: 30 Issue: 5 Pages: 1503-1514

    • DOI

      10.1007/s00477-015-1129-y

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Numerical simulation of a Hamilton-Jacobi-Bellman equation for optimal management strategy of released Plecoglossus altivelis in river systems2016

    • Author(s)
      Yaegashi Y, Yoshioka H, Unami K, Fujihara M
    • Journal Title

      Communications in Computer and Information Science

      Volume: 603 Pages: 91-101

    • DOI

      10.1007/978-981-10-2158-9_8

    • ISBN
      9789811021572, 9789811021589
    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Journal Article] Application of stochastic control theory to biophysics of fish migration around a weir equipped with fishways2016

    • Author(s)
      Yoshioka H, Yaegashi Y, Unami K, Fujihara M
    • Journal Title

      Communications in Computer and Information Science

      Volume: 645 Pages: 190-200

    • DOI

      10.1007/978-981-10-2669-0_21

    • ISBN
      9789811026683, 9789811026690
    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Journal Article] IDENTIFYING THE COST FUNCTION FOR UPSTREAM MIGRATION OF INDIVIDUAL FISHES IN 1-D OPEN CHANNELS BASED ON AN OPTIMAL CONTROL THEORY2016

    • Author(s)
      Yoshioka H, Yaegashi Y, Unami K, Fujihara M
    • Journal Title

      Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)

      Volume: 72 Issue: 4 Pages: I_1147-I_1152

    • DOI

      10.2208/jscejhe.72.I_1147

    • NAID

      130005311929

    • ISSN
      2185-467X
    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Journal Article] Optimal strategies for harvesting and predator extermination to sustain Plecoglossus altivelis (Ayu) population in stochastic river environment2016

    • Author(s)
      Yaegashi Y, Yoshioka H, Unami K, Fujihara M
    • Journal Title

      Journal of Rainwater Catchment Systems

      Volume: 22(1) Pages: 7-13

    • NAID

      130007687907

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Journal Article] A blow-up problem for a nonlinear heat equation in the complex plane of time2016

    • Author(s)
      C.-H. Cho, H. Okamoto, & M. Shoji
    • Journal Title

      Japan J. Indust. Appl. Math.

      Volume: 33 Issue: 1 Pages: 145-166

    • DOI

      10.1007/s13160-015-0203-7

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Stability of Large Vortex―Two-Dimensional Flows of Incompressible Viscous Fluid at Large Reynolds Numbers2016

    • Author(s)
      岡本久
    • Journal Title

      Butsuri

      Volume: 71 Issue: 8 Pages: 526-532

    • DOI

      10.11316/butsuri.71.8_526

    • NAID

      130005282504

    • ISSN
      0029-0181, 2423-8872
    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Presentation] Generalized additive models for water balance in Bukit Merah Reservoir, Perak, Malaysia2019

    • Author(s)
      Unami K
    • Organizer
      International Symposium on Nonlinear Theory and Its Applications NOLTA2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Application of level-set method to analysis of surface water flows2019

    • Author(s)
      Mean S
    • Organizer
      The 14th Conference on Sustainable Development of Energy, Water, and Environment Systems SDEWES2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] A Markov chain model for precipitation to be used in optimal reservoir operation2019

    • Author(s)
      Nop C
    • Organizer
      The 14th Conference on Sustainable Development of Energy, Water, and Environment Systems SDEWES2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] A discrete time dynamic programming problem for a plant growth model with controlled parameters2018

    • Author(s)
      Unami K
    • Organizer
      農業農村工学会応用水理研究部会
    • Related Report
      2018 Research-status Report
  • [Presentation] On a hyperbolic-elliptic system having discontinuous self-similar solutions2018

    • Author(s)
      Yoshioka H
    • Organizer
      Modeling and Analysis of Time Series Data in Math-Agro Sciences, IMI Workshop, Kyushu University
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Stochastic optimal impulse control policy for management of seasonal fish-eating bird population dynamics2018

    • Author(s)
      Yaegashi Y
    • Organizer
      Modeling and Analysis of Time Series Data in Math-Agro Sciences, IMI Workshop, Kyushu University
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Multi-state Markov chains applied to drought management in rainfed agriculture2018

    • Author(s)
      Unami K
    • Organizer
      Modeling and Analysis of Time Series Data in Math-Agro Sciences, IMI Workshop, Kyushu University
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Optimal control of an irrigation tank during a flood event2018

    • Author(s)
      Fujikura Y
    • Organizer
      Modeling and Analysis of Time Series Data in Math-Agro Sciences, IMI Workshop, Kyushu University
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 豪雨による溜池決壊を想定した決定論的動的計画問題2018

    • Author(s)
      藤倉大和
    • Organizer
      第26回日本雨水資源化システム学会
    • Related Report
      2018 Research-status Report
  • [Presentation] 塩性乾燥地域における灌漑ナツメヤシ成長の一般化加法モデル2018

    • Author(s)
      新井芽丹
    • Organizer
      第26回日本雨水資源化システム学会
    • Related Report
      2018 Research-status Report
  • [Presentation] A time-dependent stochastic optimal impulse control model for management of fish-eating bird2018

    • Author(s)
      Yaegashi Y
    • Organizer
      第26回日本雨水資源化システム学会
    • Related Report
      2018 Research-status Report
  • [Presentation] Deterministic dynamic programming for operation of micro irrigation scheme2018

    • Author(s)
      Unami K
    • Organizer
      The Eighth Scientific Agricultural Conference ESAC-2018
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Markovian properties and distribution of daily rainfall in northern Iraq2018

    • Author(s)
      Fadhil RM
    • Organizer
      The Eighth Scientific Agricultural Conference ESAC-2018
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Convergence to steady states of open channel flows in a paddy irrigation canal system with ponds2018

    • Author(s)
      Mean S
    • Organizer
      PAWEES & INWEPF International Conference 2018
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] A prototype of micro irrigation scheme in the Jordan Rift Valley and its mathematical modelling2018

    • Author(s)
      Unami K
    • Organizer
      International Green Capitals Congress
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 灌漑用貯水池の最適運用戦略2018

    • Author(s)
      藤倉大和・宇波耕一
    • Organizer
      RIMS共同研究(グループ型)数理農学の基盤づくりに向けて
    • Related Report
      2017 Research-status Report
  • [Presentation] A prototype of micro irrigation scheme in the Jordan Rift Valley and its mathematical modelling2018

    • Author(s)
      Unami K, Mohawesh O
    • Organizer
      International Green Capitals Congress
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 生物移動の数理モデルにおける粘性解2018

    • Author(s)
      吉岡秀和
    • Organizer
      RIMS共同研究(グループ型)数理農学の基盤づくりに向けて
    • Related Report
      2017 Research-status Report
  • [Presentation] 農学系学部・大学院における数学教育2018

    • Author(s)
      竹内潤一郎・宇波耕一・吉岡秀和
    • Organizer
      RIMS共同研究(グループ型)数理農学の基盤づくりに向けて
    • Related Report
      2017 Research-status Report
  • [Presentation] Existence proof of solutions of fluid mechanical equations via interval analysis2018

    • Author(s)
      Okamoto H
    • Organizer
      Mathematical Aspects of Physical Oceanography, The Erwin Schroedinger Institute (Vienna Austria) Seminar
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] The viscosity solution to an HJB equation governing the optimal release strategy from Bukit Merah Reservoir, Malaysia2017

    • Author(s)
      Unami K, Fadhil R, Kamal MR, Mohawesh O
    • Organizer
      The 12th Conference on Sustainable Development of Energy, Water and Environment Systems (SDEWES)
    • Place of Presentation
      Dubrovnik, Croatia
    • Year and Date
      2017-10-04
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Stability of water quality dynamics in artificial shallow water bodies2017

    • Author(s)
      Alam AHMB, Unami K, Fujihara M
    • Organizer
      The 12th Conference on Sustainable Development of Energy, Water and Environment Systems (SDEWES)
    • Place of Presentation
      Dubrovnik, Croatia
    • Year and Date
      2017-10-04
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Viscosity solutions of a mathematical model for upstream migration of potamodromous fish2017

    • Author(s)
      Yoshioka H, Shirai T, Tagami D
    • Organizer
      The 12th Conference on Sustainable Development of Energy, Water and Environment Systems (SDEWES)
    • Place of Presentation
      Dubrovnik, Croatia
    • Year and Date
      2017-10-04
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Optimal policy of predator suppression for sustainable inland fishery management2017

    • Author(s)
      Yaegashi Y, Yoshioka H, Unami K, Fujihara M
    • Organizer
      The 12th Conference on Sustainable Development of Energy, Water and Environment Systems (SDEWES)
    • Place of Presentation
      Dubrovnik, Croatia
    • Year and Date
      2017-10-04
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Stability of water quality dynamics in artificial shallow water bodies2017

    • Author(s)
      Alam AHMB, Unami K, Fujihara M
    • Organizer
      12th Conference on Sustainable Development of Energy, Water and Environment Systems
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] The viscosity solution to an HJB equation governing the optimal release strategy from Bukit Merah Reservoir, Malaysia2017

    • Author(s)
      Unami K, Fadhil R, Kamal R, Mohawesh O
    • Organizer
      12th Conference on Sustainable Development of Energy, Water and Environment Systems
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 雨水ハーベスティングシステムの運用に対する動的計画法の応用2017

    • Author(s)
      藤倉大和・宇波耕一・藤原正幸
    • Organizer
      平成29年度農業農村工学会大会
    • Related Report
      2017 Research-status Report 2016 Research-status Report
  • [Presentation] 様々な灌漑条件下における降雨と地下水位の入出力関係の逆解析2017

    • Author(s)
      柳井康太郎・宇波耕一・Alam AHMB
    • Organizer
      第25回日本雨水資源化システム学会大会研究発表会
    • Related Report
      2017 Research-status Report
  • [Presentation] Robust optimal harvesting policy for fish in a pond with price volatility2017

    • Author(s)
      Ndede EO, Unami K, Fujihara M
    • Organizer
      平成29年度農業農村工学会応用水理研究部会
    • Related Report
      2017 Research-status Report
  • [Presentation] Lipschitz continuity of value functions solving a dynamic programming problem for a water storage tank2017

    • Author(s)
      Unami K, Mohawesh O, Fujikura Y, Fujihara M
    • Organizer
      平成29年度農業農村工学会応用水理研究部会
    • Related Report
      2017 Research-status Report
  • [Presentation] Viscosity solutions of a mathematical model for upstream migration of potamodromous fish2017

    • Author(s)
      Yoshioka H, Shirai T, Tagami D
    • Organizer
      12th Conference on Sustainable Development of Energy, Water and Environment Systems
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Numerical pursuit of unimodal solutions in 2D Navier-Stokes equations at large Reynolds numbers2017

    • Author(s)
      Okamoto H
    • Organizer
      2nd Vietnam International Applied Mathematics Conference
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Existence proof of unimodal solutions via interval analysis2017

    • Author(s)
      Okamoto H
    • Organizer
      Mathematics of Fluid Motion: Theory and Computation, Korea Institute for Advanced Study
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Optimal installation of overhead lines preventing piscivorous birds in stochastic river environment2016

    • Author(s)
      Yaegashi Y, Yoshioka H, Unami K, Fujihara M
    • Organizer
      第24回日本雨水資源化システム学会大会研究発表会
    • Place of Presentation
      京都大学農学部総合館(京都市左京区)
    • Year and Date
      2016-10-29
    • Related Report
      2016 Research-status Report
  • [Presentation] Optimal installation of overhead lines with decaying protection effect for fish from predators2016

    • Author(s)
      Yaegashi Y, Yoshioka H, Unami K, Fujihara M
    • Organizer
      第24回日本雨水資源化システム学会大会研究発表会
    • Place of Presentation
      京都大学農学部総合館(京都市左京区)
    • Year and Date
      2016-10-29
    • Related Report
      2016 Research-status Report
  • [Presentation] 特異拡散型方程式を用いた魚群形状のモデル化2016

    • Author(s)
      中道理介・宇波耕一・藤原正幸
    • Organizer
      第24回日本雨水資源化システム学会大会研究発表会
    • Place of Presentation
      京都大学農学部総合館(京都市左京区)
    • Year and Date
      2016-10-29
    • Related Report
      2016 Research-status Report
  • [Presentation] Identification of water quality dynamics in shallow ponded water bodies2016

    • Author(s)
      Alam AHMB, Unami K, Fujihara M
    • Organizer
      第24回日本雨水資源化システム学会大会研究発表会
    • Place of Presentation
      京都大学農学部総合館(京都市左京区)
    • Year and Date
      2016-10-29
    • Related Report
      2016 Research-status Report
  • [Presentation] 様々な制御理論のチェックゲート運用に対する適用可能性2016

    • Author(s)
      宇波耕一・オサマ モハウェシ・藤原正幸
    • Organizer
      平成28年度農業農村工学会大会
    • Place of Presentation
      江陽グランドホテル・ホテル法華クラブ仙台・ハーネル仙台(仙台市青葉区)
    • Year and Date
      2016-08-30
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] Designing and modeling on-farm desalination system using dew collection technology2016

    • Author(s)
      Mohawesh O, Unami K, Fujihara M
    • Organizer
      3rd International Conference on Agricultural and Food Engineering (CAFEi2016)
    • Place of Presentation
      Kuala Lumpur, Malaysia
    • Year and Date
      2016-08-23
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Rural water quality management in small watersheds2016

    • Author(s)
      Alam AHMB, Unami K, Fujihara M
    • Organizer
      平成28年度農業農村工学会応用水理研究部会講演会
    • Place of Presentation
      岐阜市文化センター(岐阜県岐阜市)
    • Related Report
      2016 Research-status Report
  • [Presentation] Mathematical analysis of a primitive dynamic programming problem for water reservoirs2016

    • Author(s)
      Fujikura Y, Yoshioka H, Unami K, Fujihara M
    • Organizer
      平成28年度農業農村工学会応用水理研究部会講演会
    • Place of Presentation
      岐阜市文化センター(岐阜県岐阜市)
    • Related Report
      2016 Research-status Report
  • [Presentation] 定量的補助金制度設計に向けた貯留系の水質動態モデル2016

    • Author(s)
      増田重明・宇波耕一・藤原正幸
    • Organizer
      平成28年度農業農村工学会応用水理研究部会講演会
    • Place of Presentation
      岐阜市文化センター(岐阜県岐阜市)
    • Related Report
      2016 Research-status Report
  • [Book] Modelling and Analysis of Time Series Data in Math-Agro Sciences, The Mathematics for Industry Research2019

    • Author(s)
      Unami K, Chono C, Yoshioka H, Tagami D, Shirai T
    • Total Pages
      305
    • Publisher
      Institute of Mathematics for Industry, Kyushu University
    • Related Report
      2018 Research-status Report
  • [Book] New Trends in Emerging Complex Real Life Problems2018

    • Author(s)
      Yaegashi U, Yoshioka H, Unami K, Fujihara M
    • Total Pages
      471
    • Publisher
      Springer
    • Related Report
      2018 Research-status Report
  • [Book] Environmental Pollution, Water Science and Technology Library2018

    • Author(s)
      Unami K, Mabaya G, Alam AHMB, Fujihara M
    • Total Pages
      571
    • Publisher
      Springer Singapore
    • Related Report
      2018 Research-status Report
  • [Book] International Green Capitals Congress2018

    • Author(s)
      Unami K, Mohawesh O
    • Total Pages
      240
    • Publisher
      Konya Metropolitan Municipality
    • Related Report
      2018 Research-status Report
  • [Book] Handbook of Mathematical Analysis in Mechanics of Viscous Fluids2018

    • Author(s)
      Okamoto H
    • Total Pages
      3045
    • Publisher
      Springer
    • ISBN
      9783319133430
    • Related Report
      2017 Research-status Report
  • [Book] Environmental Pollution2018

    • Author(s)
      Unami K, Mabaya G, Alam AHMB, Fujihara M
    • Total Pages
      571
    • Publisher
      Springer Singapore
    • ISBN
      9789811057922
    • Related Report
      2017 Research-status Report
  • [Book] Handbook of Mathematical Analysis in Mechanics of Viscous Fluids2017

    • Author(s)
      Okamoto H
    • Publisher
      Springer
    • Related Report
      2016 Research-status Report
  • [Book] Environmental Pollution2017

    • Author(s)
      Unami K, Mabaya G, Alam AHMB, Fujihara M
    • Publisher
      Springer
    • Related Report
      2016 Research-status Report
  • [Remarks] Smart reservoir management for harsh, arid...

    • URL

      https://www.kyoto-u.ac.jp/en/research/research_results/2017/180305_3.html

    • Related Report
      2017 Research-status Report
  • [Remarks] 砂漠の洪水を灌漑用水に変える -ヨルダンの乾燥地で数理的最適戦略によるプロトタイプを運用-

    • URL

      http://www.kyoto-u.ac.jp/ja/research/research_results/2017/180305_3.html

    • Related Report
      2017 Research-status Report
  • [Remarks] 数理農学の基盤づくりに向けて

    • URL

      http://www.wre.kais.kyoto-u.ac.jp/RIMSjan2018/MAjp.html

    • Related Report
      2017 Research-status Report
  • [Funded Workshop] Modeling and Analysis of Time Series Data in Math-Agro Sciences: IMI Workshop of the Joint Research Projects2018

    • Related Report
      2018 Research-status Report
  • [Funded Workshop] 12th SDEWES SPECIAL SESSION: Math for Water, Soil, and Ecosystems2017

    • Related Report
      2017 Research-status Report

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Published: 2016-07-20   Modified: 2023-03-08  

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