CAJ | 학술논문

分别以位于黄土高原北部沟壑区的六道沟流域和日本鸟取县境内的山区流域-Bukuro流域为研究区,对两个研究区域土壤垂直剖面模型化,以运动波基础方程式结合GIS-ArcMap构建分布式流域降雨-径流数值模型;以对观测径流过程的数值模拟检验模型实用性.结果表明,模型计算精度较高,数值模拟结果误差<3%,观测流量过程和数值计算结果之间的皮尔森相关系数在0.90以上,为地表径流准确推算提供科学计算方法.
분별이위우황토고원북부구학구적륙도구류역화일본조취현경내적산구류역-Bukuro류역위연구구,대량개연구구역토양수직부면모형화,이운동파기출방정식결합GIS-ArcMap구건분포식류역강우-경류수치모형;이대관측경류과정적수치모의검험모형실용성.결과표명,모형계산정도교고,수치모의결과오차<3%,관측류량과정화수치계산결과지간적피이삼상관계수재0.90이상,위지표경류준학추산제공과학계산방법.
The Liudaogou Basin which is located at hil y-gul y area of the northern Loess Plateau and Bukuro Basin which is located at mountain area of the Tottori County of Japan were adopted as the study locations. Modeling of soil vertical profile of the study locations was carried out; the numerical model for rainfal-runoff was developed based on the equations of kinematic wave theory combined with GIS-ArcMap;Applicability of the model was validated through numerical simulation of the observed runoff process. The results indicated that the simulation results were with relatively high precision, the error was less than 3%. And Pearson correlation coefficient between the curve of the observed flow discharge and the calculated one was more than 0.90. A scientific method for surface runoff estimation was therefore provided for the study locations.