CAJ | 학술논문

利用清流河流域1961-2012 年的降水、气温、蒸发和径流量资料,采用数理统计方法系统诊断了不同尺度水文气象要素的历史演变特征. 结果表明,近50年,清流河流域夏季气温呈非显著升高趋势,年与其它季节气温呈显著性升高趋势,在2007年之后,年和季节气温均存在下降的态势. 年降水量和夏、冬季降水量呈增加趋势,春、秋季节降水量呈非显著性减少趋势. 年水面蒸发量和除春季之外的季节水面蒸发量呈减少趋势,在清流河流域蒸发悖论现象突出. 径流量的演变趋势与降水的演变特征总体一致,年和季节径流量均呈增加趋势,其中冬季径流量增加趋势显著;年和季节降水径流量之间的相关系数均在0 .65以上,降水是径流量变化的主要驱动要素,因此,未来气候变化特别是降水变化对水资源的影响应引起足够的重视.
이용청류하류역1961-2012 년적강수、기온、증발화경류량자료,채용수리통계방법계통진단료불동척도수문기상요소적역사연변특정. 결과표명,근50년,청류하류역하계기온정비현저승고추세,년여기타계절기온정현저성승고추세,재2007년지후,년화계절기온균존재하강적태세. 년강수량화하、동계강수량정증가추세,춘、추계절강수량정비현저성감소추세. 년수면증발량화제춘계지외적계절수면증발량정감소추세,재청류하류역증발패론현상돌출. 경류량적연변추세여강수적연변특정총체일치,년화계절경류량균정증가추세,기중동계경류량증가추세현저;년화계절강수경류량지간적상관계수균재0 .65이상,강수시경류량변화적주요구동요소,인차,미래기후변화특별시강수변화대수자원적영향응인기족구적중시.
Based on the observed data of precipitation ,temperature, pan evaporation and runoff from1961 to 2012 ,the paper usedstatistical analysis method to investigate the evolution characteristics of hydro -me-teorological element at different temporal scales for the QingliuRivercatchment .The results indicate thatin recent 50 years from 1961 to 2010 , the temperature in summerpresented insignificant risingtrendwhilean-nual and other seasonal temperature showed significant rising trend .However , temperature exhibited the-declining trend after 2007 .The precipitation in annual , summer and winter presented the increasing trend, but that inspring and autumnpresented the insignificant decreasing trend .The water surface evapo-ration presented the decrease trend in annual and the other three seasons except spring .The evaporation paradoxis obvious .The variation of runoff is generally in accordance with that of precipitation .Bothannual and seasonal runoff presented increasing trend whilerunoff in winter presented significant increasing trend.The correlation coefficientbetween runoff and precipitation is higher than 0.65.Therefore ,precipi-tation is a major driver of runoffvariation .It is necessary to pay sufficient attention to the impact of cli-mate change and especiallyprecipitationchange on water resources .