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서영제,Suh Young-jea 한국관개배수위원회 1995 한국관개배수논문집 Vol.2 No.2
In this study, formulae related tidal current-stone diameter and weight have been analyzed based on the real sea dike construction situation. Three formulae which denoted Shields, Isbash and Netherlands's simple method have been compared by the various ti
김현영 ( Kim Hyun Young ),서영제 ( Suh Young Jea ),심문산 ( Sim Mun San ),이광야 ( Lee Kwang Ya ) 한국농공학회 1999 한국농공학회 학술대회초록집 Vol.1999 No.-
In the practice, ET was mainly estimated by Blaney-Criddle or FAO Penman method. But these methods were found to frequently overestimate ET. And calculation of effective rainfall by empirical formula is hardly to explain crop property and soil texture. Since 1990, FAO recommended the adoption of Penman-Monteith combination method as a new standard for reference ET. Purpose of this study is establish new estimate method of upland crop requirements. We adopt P-M method to estimate ET and set up soil moisture balance equation to calculate effective rainfall and irrigation water requirements. We expect that this new method rise efficiency of upland water management.
김현영 ( Kim Hyun-young ),서영제 ( Suh Young-jea ),최용선 ( Choi Yong-sun ),문종원 ( Moon Jong-won ) 한국농공학회 1998 한국농공학회 학술대회초록집 Vol.1998 No.-
The south-western part of Korea is situated in an unbalance of water supply and demand relating to the Keum, Mankyung, Dongjin and Youngsan River and their estuary reservoirs. For example, the Keum River estuary reservoir is discharging the larger amount of yearly runoff into the sea due to the small storage capacity, while Saemankeum estuary reservoir which is under construction, has the smaller runoff amount comparing with its storage capacity, And the downstream area of the Youngsan River, such as Youngkwang, Youngam are deficient in water due in larger demand and smaller supply. In order to solve the above unbalanced water supply and demand and also to improve the water use efficiency, the Hierarchical Operation Model for Multi-reservoir System(HOMMS) has been developed and applied to analyze the multi-reservoir operation assuming that the above reservoirs were linked each other. The result of this study shows that 2,148MCM of annual additional water requirement for agricultural and rural water demands are required in this region at 2011 of target year, and these demands can be resolved by diverting and reusing 1,913MCM of the released water from the estuary reservoirs into the sea.