Relationship between Catchment Characteristics and PDMM Rainfall Runoff Model at Geum River Catchments (금강 유역특성과 PDMM 강우-유출모형의 적용성 관계 평가)

이소정; 조원호; Lee, Hyosang (이효상)

Relationship between Catchment Characteristics and PDMM Rainfall Runoff Model at Geum River Catchments

Crisisonomy
Abbr : KRCEM
2014, 10(3), pp.41-60
Publisher : Crisis and Emergency Management: Theory and Praxis
Research Area : Social Science > Public Policy > Public Policy in general

이소정 ¹, 조원호 ¹, Lee, Hyosang ¹

¹충북대학교

Accredited

ABSTRACT

Hydrological disasters such as typhoons, floods, and droughts are rapidly rising all over the world due to extreme weather and climate changes. This study aims to analysis a relationship between catchment characteristics and the Probability Distribution Model with Macropore response(PDMM) at Geum river region. PDMM is applied to 18 subcatchments of Geum River. The Rainfall Runoff Modelling Toolbox(RRMT) and Monte Carlo Analysis Toolkit(MCAT) are used for modelling environment. The periods of 2001-2005 and 2006-2012 are applied for validation and calibration respectively. The Nash Surcliffe Efficiency(NSE*) objective function is employed for performance measure. The model simulates the observed hydrograph acceptably well; ten catchments shows acceptable performance in calibration(less than 0.3) and validation(less than 0.5). The relationships between catchment characteristics and PDMM model are not clear. however, PDMM shows a consistently good performance for midium sized catchment. It shows that the PDMM model is a potential model for Geum river region.

KEYWORDS

probability distribution model with macropore response, rainfall runoff model, calibration, validation, NSE

Citation status

* References for papers published after 2023 are currently being built.

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This paper was written with support from the National Research Foundation of Korea.

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