Development and evaluation of water quantity model in nan watershed Thailand

Ramesh Kumar Gautam, So Kazama, Suranjan Panigrahi

Research output: Contribution to conferencePaper

Abstract

Nedbor-Afstromnings- model (NAM) is a conceptual, lumped, and deterministic rainfall-runoff model. This model was developed to assess the variation of surface and sub-surface water resource in Nan watershed, Thailand. Various meteorological data (precipitation, soil type, watershed characteristics, vegetation type etc.) were collected during the period of 1987 to 1992. The model was calibrated with three years (1987-1990) of daily precipitation and validated with two years' data sets. The coefficient of determination (R 2) obtained from calibration was 0.70 and the corresponding R 2 value obtained from validation was 0.63. High R 2 value implied that the model has potential to accurately simulate the variation of surface and sub-surface water resource in medium scale rural basins.

Original languageEnglish
Pages1705-1717
Number of pages13
Publication statusPublished - 2004 Dec 1
EventASAE Annual International Meeting 2004 - Ottawa, ON, Canada
Duration: 2004 Aug 12004 Aug 4

Other

OtherASAE Annual International Meeting 2004
CountryCanada
CityOttawa, ON
Period04/8/104/8/4

Keywords

  • Base flow
  • Evapo-transpiration
  • Interflow
  • NAM model
  • Nan watershed
  • Overland flow
  • Rainfall-runoff process
  • Upper storage

ASJC Scopus subject areas

  • Engineering(all)

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  • Cite this

    Gautam, R. K., Kazama, S., & Panigrahi, S. (2004). Development and evaluation of water quantity model in nan watershed Thailand. 1705-1717. Paper presented at ASAE Annual International Meeting 2004, Ottawa, ON, Canada.