CAJ | 학술논문

以渭河河道径流量和河流水质的实测资料为基础,应用不均匀系数法对河道径流在年内的分配规律作了分析,采用Spearman秩次相关检验对河流年均径流量进行趋势性判识,运用Kendall非参数秩次相关检验法对流域降雨量时间序列进行趋势性检验,选取综合污染指数法对河流水质变化进行了分析。结果表明,（1）渭河河道径流量整体处于波动下降的状态,与降雨量的变化趋势相似;河道径流量的年内分配不均匀系数有上升倾向,且从中游到下游亦有上升趋势。（2）河流水质的变化在2003年之前没有大的起伏,处于波动平衡状态,2003年河流水质处于最差点,之后呈现好转态势。
이위하하도경류량화하류수질적실측자료위기출,응용불균균계수법대하도경류재년내적분배규률작료분석,채용Spearman질차상관검험대하류년균경류량진행추세성판식,운용Kendall비삼수질차상관검험법대류역강우량시간서렬진행추세성검험,선취종합오염지수법대하류수질변화진행료분석。결과표명,（1）위하하도경류량정체처우파동하강적상태,여강우량적변화추세상사;하도경류량적년내분배불균균계수유상승경향,차종중유도하유역유상승추세。（2）하류수질적변화재2003년지전몰유대적기복,처우파동평형상태,2003년하류수질처우최차점,지후정현호전태세。
Based on the runoff and water quality data of Wei River,the non-uniform coefficient method was used to analyze the annual runoff distribution rules.The spearman rank test method was employed to inspect the trend of average annual runoff,while the Kendall rank correlation was applied to test the trend of precipitation.The results show that：（1.）The runoff of Wei River drops in fluctuation with similar trend as precipitation,the non-uniform coefficient has an upward tendency and it shares the same trend from the middle to lower reaches;（2.） There is no great change in river water quality before 2003.The water quality deteriorated to the worst point in 2003 and improved ever since.