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	1. Application of a distributed hydrologic model-BTOPMC in the Yellow River
	Li Qiaoling
	Hydraulic Engineering 16 May 2006
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (0 B)

	Abstract:Nowadays, many researches focus on the distributed hydrologic process, for it is regarded as more physically and much closer to reality. Based on the digital elevation model, the flow direction and contributing area can be generated for the Lingkou Basin in the upper area of Luo River located in the Yellow River. The basin is divided into two blocks, BTOPMC Model has been performed on each block based on grids. The hydrometeorological data in special file format are taken as the input, the flow routing is done by Muskingham-Cunge method based on grids. The grid-by-grid spatial variability in soil and land cover properties is considered in calibrating parameters. The results show that the spatial properties can be described distinctly, which lays foundation for the further researches on distributed hydrologic process.
	TO cite this article:Li Qiaoling. Application of a distributed hydrologic model-BTOPMC in the Yellow River[OL].[16 May 2006] http://en.paper.edu.cn/en_releasepaper/content/6635


	2. COMPARISON AND SELECTION OF ARCH DAM BUCKET IN SKI-JUMP ENERGY DISSIPATION
	Qi Yuantian,Huang Xibin
	Hydraulic Engineering 24 March 2006
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	Abstract:Based on the model test of flood discharge on surface sluice, the effects of continuous bucket and differential bucket on ski-jump energy dissipation were analyzed. The results indicated that nappe created by differential bucket is aerated and crashed better in the air, both in the cases of design flood and check flood. The effect of differential bucket on energy dissipation was better. The plunge pool, which absorbed remainder kinetic energy of overflow effectively, satisfied dissipation requirements both at design flood and check flood. The scouring and destroy action to downstream bed was decreased greatly by energy dissipation in plunge pool.
	TO cite this article:Qi Yuantian,Huang Xibin. COMPARISON AND SELECTION OF ARCH DAM BUCKET IN SKI-JUMP ENERGY DISSIPATION[OL].[24 March 2006] http://en.paper.edu.cn/en_releasepaper/content/5893


	3. Application of TOPMODEL in Streamflow Stimulation and Baseflow Separatio
	Wen Pei,Chen Xi,Chen Yongqin
	Hydraulic Engineering 20 March 2006
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	Abstract:TOPMODEL is a widely used hydrological model which has been applied to study spatial variations of hydrologic processes and to distinguish hydrological components. In the original TOPMODEL structure, total runoff is divided into surface water and baseflow and no perched interflow is allowed. This would result in over-estimation of baseflow from the groundwater with a permanent table. A modified TOPMODEL by Scanlon et al. (2000) including storm flow within the subsurface is used to simulate streamflow and to separate subsurface storm flow from baseflow in the XingFeng catchment, one of the Dongjiang subasins in Zhujiang watershed. The topographic indices of the basin are calculated to represent the controlling factor of spatial variations of hydrology. They were calculated by the program of GRIDATB written by Keith Beven in 1983 using the digital elevation model (DEM) with spatial solution of a 25m grid. Daily observed precipitation amount from five rainfall observation stations, pen evaporation and stream discharge series in the period from 1982 to 1985 are used for model parameter calibration and those data from 1986 to 1987 are applied for model validation. The simulation results show the Nash and Sutcliffe efficiency coefficient (NSE) of daily streamflow is 0.79 in the calibration period and 0.72 in the verification period. Moreover, nine flood events were selected for hourly streamflow simulation. Mean NSE for the nine flood events is 0.85. Therefore, the model is capable of stimulating streamflow in the study catchment. The baseflow is separated from the total streamflow discharges on the basis of concept of the modified TOPMODEL runoff generation. Study results indicate that baseflow amount of the flood events is approximately 75 percent of total streamflow.
	TO cite this article:Wen Pei,Chen Xi,Chen Yongqin. Application of TOPMODEL in Streamflow Stimulation and Baseflow Separatio[OL].[20 March 2006] http://en.paper.edu.cn/en_releasepaper/content/5803

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