determination of initial infiltration rate for real-time flood forecasting

Determination of initial infiltration rate for real-time flood forecasting Ya Hsin Chan Department of River and Harbor Engineering, National Taiwan Ocean University, Keelung, Taiwan, R.O.C. 集集集集集集集集集集集 # # # # # # # # # ! ! ! STA 01 STA 03 STA 05 0 1 0.5 Km ® ! Flow gauging station # R ainfallrecorder Goodwin Creek Experimental Watershed 0 12 24 36 48 T im e (h r) 0.0 5.0 10 .0 15 .0 20 .0 25 .0 D ischarge (m 3 /s) 20 10 0 i e (m m /hr) 1.0 0.8 0.6 0.4 0.2 0.0 R PCA 2 0 01 -2 -2 4 R ecorded S im ulated PCA 0 12 24 36 48 60 T im e (hr) 0.0 1 0.0 2 0.0 3 0.0 4 0.0 D ischarge (m 3 /s) 20 10 0 i e (m m /hr) 1.0 0.8 0.6 0.4 0.2 0.0 R PCA 20 0 1 -2 -1 5 R ecorded S im ulated PCA National Taiwan Ocean University, Keelung, Taiwan, R 0 2 4 6 8 10 Time 0 2 4 6 8 f(t) 0 2 4 6 8 10 Time 0 2 4 6 8 f(t) o f -kt c o c f t =f + f -f e Horton infiltration equation c o f equilibrium infiltration rate f initial infiltration rate ：： Lee, K. T., Chang, C.-H. (2005). Incorporating subsurface-flow mechanism into geomorphology-based IUH modeling. Journal of Hydrology, 311, 91-105. (SCI) 陳陳陳 (2004). “ 陳陳陳陳陳陳陳陳陳陳陳陳陳 ─ 陳陳陳陳陳陳陳陳陳陳陳陳陳 , ” 陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳。 surface-flow paths 3 2 1 1 x x x x o 3 1 1 x x x o 3 2 2 x x x o 3 3 x x o subsurface-flow paths 3 2 1 1 x x x x sub 3 1 1 x x x sub 3 2 2 x x x sub 3 3 x x sub surface-flow region 2 2 2 1 1 1 1 1 1 1 3 Ya-Hsin Chan, born in 1987, is currently a master program grad uate student and her adviser is Prof. Kwan-Tun Lee, Watershed H ydrology and Hydraulic Laborato ry at the Department of Harbor and River Engineering at Nation al Taiwan Ocean University. Her research focuses on the real-ti me flood forecasting. Her motto is “Attitude is everything” bec ause she thought good attitude leads to success. E-mail: [email protected] 陳陳陳陳陳陳， (2007). “ 陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳 ,” 陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳， 810-819 。陳陳陳陳陳陳、 (2005). “ 陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳 ,” 陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳陳， 10 3-114 。 Rainfall Runoff simulation

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National Taiwan Ocean University, Keelung, Taiwan, R.O.C. Determination of initial infiltration rate for real-time flood forecasting. Ya Hsin Chan. Department of River and Harbor Engineering, National Taiwan Ocean University, Keelung, Taiwan, R.O.C. - PowerPoint PPT Presentation

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Determination of initial infiltration rate for real-time flood forecastingYa Hsin Chan Department of River and Harbor Engineering, National Taiwan Ocean University, Keelung, Taiwan, R.O.C.

Ya-Hsin Chan 2011/5/30Goodwin Creek Experimental Watershed National Taiwan Ocean University, Keelung, Taiwan, R.O.C. Horton infiltration equationLee, K. T., Chang, C.-H. (2005). Incorporating subsurface-flow mechanism into geomorphology-based IUH modeling.Journal of Hydrology, 311, 91-105. (SCI) (2004). , Ya-Hsin Chan, born in 1987, is currently a master program graduate student and her adviser is Prof. Kwan-Tun Lee, Watershed Hydrology and Hydraulic Laboratory at the Department of Harbor and River Engineering at National Taiwan Ocean University. Her research focuses on the real-time flood forecasting. Her motto is Attitude is everything because she thought good attitude leads to success.E-mail: [email protected](2007). ,810-819 (2005). ,103-114 Rainfall Runoff simulation