CAJ | 학술논문

为了探讨广西特小流域(≤1 km2))暴雨洪水计算问题,分别应用纳希瞬时单位线法和推理公式法,对广西各特小流域的小(二)型水库的暴雨洪水计算表明:应用推理公式法计算暴雨洪水,虽然流域参数θ值远小于《广西水文图表》规定的相应最小值,但所计算得出的暴雨洪峰和水库对洪水过程调洪结果,与应用不受流域参数θ值影响的纳希瞬时单位线法得出的相应结果相当接近.因此,应用推理公式法计算广西特小流域暴雨洪水,可突破《广西水文图表》原定的流域参数θ值限制.
위료탐토엄서특소류역(≤1 km2))폭우홍수계산문제,분별응용납희순시단위선법화추리공식법,대엄서각특소류역적소(이)형수고적폭우홍수계산표명:응용추리공식법계산폭우홍수,수연류역삼수θ치원소우《엄서수문도표》규정적상응최소치,단소계산득출적폭우홍봉화수고대홍수과정조홍결과,여응용불수류역삼수θ치영향적납희순시단위선법득출적상응결과상당접근.인차,응용추리공식법계산엄서특소류역폭우홍수,가돌파《엄서수문도표》원정적류역삼수θ치한제.
For calculating storm flood of special small watershed in Guangxi, each with catchment area less than 1km2, the Naci instantaneous unit hydrograph and reasoning formula were adopted respectively. The results of storm flood calculation for the small II-scale reservoirs located in various special small watershed of Guangxi demonstrate that the watershed parameter of θ value is much less than the minimum value specified by the Guangxi Hydrology Chart when applying reasoning formula, but the calculation results of flood peak and reservoir flood regulating are close to that out of Naci instantaneous unit hydrograph method which is not subject to limit of θ value. Therefore, calculating storm flood for special small watershed in Guangxi with reasoning formula is able to break the limit of θvalue, the watershed parameter specified by the Guangxi Hydrology Chart.