Comparison of two hydrological model simulations using NAM and XINANJIANG for Nong Son catchment

Authors

  • Vu Van Nghi State Key Laboratory of Hydrology, Water Resources and Hydraulic Engineering, Hohai University, no. 1 Xikang Road, Nanjing 210098, China
  • Dang Thanh Lam Southern Institute for Water Resources Planning, 271/3 An Duong Vuong Street, District 5, Ho Chi Minh City, Vietnam
  • Do Duc Dung Southern Institute for Water Resources Planning, 271/3 An Duong Vuong Street, District 5, Ho Chi Minh City, Vietnam

DOI:

https://doi.org/10.15625/0866-7136/30/1/5610

Keywords:

conceptual model, NAM, XINANJIANG, model simulation, model comparison

Abstract

The study presents the hydrological simulations for the Nong Son catchment, a drainage area of the Vu Gia-Thu Bon basin in the Central Vietnam, by using the NAM and XINANJIANG models. Simulation results for both models show good agreement between calculated and observed discharges at the stream gauge. The overall water balance error is less than ±10%, Nash-Sut cliffe efficiency \(R^2\)  above 0.85, and Pearson correlation coefficient \(r\) above 0.92 in both model calibration and verification period. Although NAM's performance shows a slightly better correspondence between the discharges at the stream gauge, the XINANJIANG model shows a relatively better reproduction of the runoff components (i.e. overland flow, interflow and baseflow).

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Published

31-03-2008

How to Cite

Nghi, V. V., Lam, D. T., & Dung, D. D. (2008). Comparison of two hydrological model simulations using NAM and XINANJIANG for Nong Son catchment. Vietnam Journal of Mechanics, 30(1), 43–54. https://doi.org/10.15625/0866-7136/30/1/5610

Issue

Section

Research Paper