METEOROLOGICAL DATA GENERATION FOR NUMERICAL SIMULATION OF STRATIFIED FLOW IN THE JOUMINE RESERVOIR, TUNISIA

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  • TAKAHIRA Kakeru
    Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Tecknology
  • NAKAMURA Takashi
    Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Tecknology
  • ISHIKAWA Tadaharu
    Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Tecknology
  • IRIE Mitsuteru
    Alliance for Research on North Africa
  • TARHOUNI Jamila
    National Institute of Agronomy Tunisia
  • KOJIMA Takashi
    Research Center for Global Environment and Disaster Prevention, TOKEN C.E.E Consultants Co., LTD.

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Other Title
  • チュニジア国Joumine貯水池の成層流動シミュレーションのための計算条件設定
  • チュニジアコク Joumine チョスイチ ノ セイソウ リュウドウ シミュレーション ノ タメ ノ ケイサン ジョウケン セッテイ

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Description

Dynamic numerical simulation of water condition is useful for reservoir management. In developing countries, however, meteorological and hydrological time-series required for the numerical simulation are often unavailable. This paper presents a case study for generation of data absent at the Joumine Reservoir, Tunisia. Data of Wind Finder on web site and daily sunshine duration at the nearest weather stations were utilized for data generation of cloud cover and solar radiation being based on meteorological correlations found in Japan which is located in the same latitude as Tunisia. Time series of inflow water temperature was estimated from air temperature using a numerical filter expressed by a linear second-order differential equation. Numerical simulation by a vertical 2D turbulent flow model for stratified water body with the generated data successfully reproduced the seasonal thermal condition in the reservoir obtained with a thermistor chain for eight months in 2009.

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