Parameter identification for two conceptual hydrological models of upper Dau Tleng River watershed in Vietnam

Trieu Anh Ngoc, Le Van Chinh, Kazuaki Hiramatsu, Harada Masayoshi

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

抄録

Selection of hydrological models to calculate the rainfall runoff for a river watershed with particular characteristics is not an easy task. Especially in recent years, there have been many conceptual hydrological models to calculate rainfall runoff. The study and analysis of hydrological models that are applied under suitable conditions for appropriate watersheds are necessary to improve the accuracy and applicability of each model. In this research, two hydrological models, namely the Tank model and the NAM model, were used to model the rainfall runoff process of the river system upstream of the Dau Tleng River watershed located along the upper Saigon River in southeast Vietnam. Based on the relationship between model parameters and watershed characteristics, a set of preliminary model parameters was found. The final estimation of the optimal parameters was carried out by calibration through comparison between the simulated time series and the observed data of the overall water balance, overall hydrograph shape, peak flows, and low flows.

元の言語英語
ページ(範囲)335-341
ページ数7
ジャーナルJournal of the Faculty of Agriculture, Kyushu University
56
発行部数2
出版物ステータス出版済み - 9 2011

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Vietnam
hydrologic models
Rivers
rivers
runoff
rain
Calibration
water balance
Water
time series analysis
calibration
Research

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Biotechnology

これを引用

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abstract = "Selection of hydrological models to calculate the rainfall runoff for a river watershed with particular characteristics is not an easy task. Especially in recent years, there have been many conceptual hydrological models to calculate rainfall runoff. The study and analysis of hydrological models that are applied under suitable conditions for appropriate watersheds are necessary to improve the accuracy and applicability of each model. In this research, two hydrological models, namely the Tank model and the NAM model, were used to model the rainfall runoff process of the river system upstream of the Dau Tleng River watershed located along the upper Saigon River in southeast Vietnam. Based on the relationship between model parameters and watershed characteristics, a set of preliminary model parameters was found. The final estimation of the optimal parameters was carried out by calibration through comparison between the simulated time series and the observed data of the overall water balance, overall hydrograph shape, peak flows, and low flows.",
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